def getGlobalRot(self, point):
"Same as getGlobalCoords, but discards the WP position"
vx = DraftVecUtils.scale(self.u, point.x)
vy = DraftVecUtils.scale(self.v, point.y)
vz = DraftVecUtils.scale(self.axis, point.z)
pt = (vx.add(vy)).add(vz)
return pt
def makeStraightStairsWithLanding(self,obj,edge):
"builds a straight staircase with a landing in the middle"
if obj.NumberOfSteps < 3:
return
import Part,DraftGeomUtils
v = DraftGeomUtils.vec(edge)
reslength = edge.Length - obj.Width.Value
vLength = DraftVecUtils.scaleTo(v,float(reslength)/(obj.NumberOfSteps-2))
vLength = Vector(vLength.x,vLength.y,0)
vWidth = DraftVecUtils.scaleTo(vLength.cross(Vector(0,0,1)),obj.Width.Value)
p1 = edge.Vertexes[0].Point
if round(v.z,Draft.precision()) != 0:
h = v.z
else:
h = obj.Height.Value
hstep = h/obj.NumberOfSteps
landing = obj.NumberOfSteps/2
p2 = p1.add(DraftVecUtils.scale(vLength,landing-1).add(Vector(0,0,landing*hstep)))
p3 = p2.add(DraftVecUtils.scaleTo(vLength,obj.Width.Value))
p4 = p3.add(DraftVecUtils.scale(vLength,obj.NumberOfSteps-(landing+1)).add(Vector(0,0,(obj.NumberOfSteps-landing)*hstep)))
self.makeStraightStairs(obj,Part.Line(p1,p2).toShape(),landing)
self.makeStraightLanding(obj,Part.Line(p2,p3).toShape())
self.makeStraightStairs(obj,Part.Line(p3,p4).toShape(),obj.NumberOfSteps-landing)
def align(self, basepoint, align, widthvec):
"moves a given basepoint according to the alignment"
if align == "Center":
basepoint = basepoint.add(DraftVecUtils.scale(widthvec, -0.5))
elif align == "Right":
basepoint = basepoint.add(DraftVecUtils.scale(widthvec, -1))
return basepoint
def getGlobalCoords(self, point):
"returns the global coordinates of the given point, taken relatively to this working plane"
vx = DraftVecUtils.scale(self.u, point.x)
vy = DraftVecUtils.scale(self.v, point.y)
vz = DraftVecUtils.scale(self.axis, point.z)
pt = (vx.add(vy)).add(vz)
return pt.add(self.position)
def makeStraightStairsWithLanding(self,obj,edge):
"builds a straight staircase with a landing in the middle"
if obj.NumberOfSteps < 3:
return
import Part,DraftGeomUtils
v = DraftGeomUtils.vec(edge)
reslength = edge.Length - obj.Width.Value
vLength = DraftVecUtils.scaleTo(v,float(reslength)/(obj.NumberOfSteps-2))
vLength = Vector(vLength.x,vLength.y,0)
vWidth = DraftVecUtils.scaleTo(vLength.cross(Vector(0,0,1)),obj.Width.Value)
p1 = edge.Vertexes[0].Point
if round(v.z,Draft.precision()) != 0:
h = v.z
else:
h = obj.Height.Value
hstep = h/obj.NumberOfSteps
landing = obj.NumberOfSteps/2
p2 = p1.add(DraftVecUtils.scale(vLength,landing-1).add(Vector(0,0,landing*hstep)))
p3 = p2.add(DraftVecUtils.scaleTo(vLength,obj.Width.Value))
p4 = p3.add(DraftVecUtils.scale(vLength,obj.NumberOfSteps-(landing+1)).add(Vector(0,0,(obj.NumberOfSteps-landing)*hstep)))
self.makeStraightStairs(obj,Part.Line(p1,p2).toShape(),landing)
self.makeStraightLanding(obj,Part.Line(p2,p3).toShape())
self.makeStraightStairs(obj,Part.Line(p3,p4).toShape(),obj.NumberOfSteps-landing)
def getGlobalCoords(self, point):
"returns the global coordinates of the given point, taken relatively to this working plane"
vx = DraftVecUtils.scale(self.u, point.x)
vy = DraftVecUtils.scale(self.v, point.y)
vz = DraftVecUtils.scale(self.axis, point.z)
pt = (vx.add(vy)).add(vz)
return pt.add(self.position)
def getGlobalRot(self, point):
"Same as getGlobalCoords, but discards the WP position"
vx = DraftVecUtils.scale(self.u, point.x)
vy = DraftVecUtils.scale(self.v, point.y)
vz = DraftVecUtils.scale(self.axis, point.z)
pt = (vx.add(vy)).add(vz)
return pt
def align(self,basepoint,align,widthvec):
"moves a given basepoint according to the alignment"
if align == "Center":
basepoint = basepoint.add(DraftVecUtils.scale(widthvec,-0.5))
elif align == "Right":
basepoint = basepoint.add(DraftVecUtils.scale(widthvec,-1))
return basepoint
def update(self, line=None, normal=None):
import WorkingPlane, DraftGeomUtils
if not normal:
normal = FreeCAD.DraftWorkingPlane.axis
if line:
if isinstance(line, list):
bp = line[0]
lvec = line[1].sub(line[0])
else:
lvec = DraftGeomUtils.vec(line.Shape.Edges[0])
bp = line.Shape.Edges[0].Vertexes[0].Point
elif self.baseline:
lvec = DraftGeomUtils.vec(self.baseline.Shape.Edges[0])
bp = self.baseline.Shape.Edges[0].Vertexes[0].Point
else:
return
right = lvec.cross(normal)
self.cube.width.setValue(lvec.Length)
p = WorkingPlane.getPlacementFromPoints(
[bp, bp.add(lvec), bp.add(right)])
self.trans.rotation.setValue(p.Rotation.Q)
bp = bp.add(DraftVecUtils.scale(lvec, 0.5))
bp = bp.add(
DraftVecUtils.scaleTo(normal,
self.cube.depth.getValue() / 2))
self.pos(bp)
def __init__(self, holcyl_list, name="bearwashgr", normal=VZ, pos=V0):
doc = FreeCAD.ActiveDocument
self.holcyl_list = holcyl_list
self.name = name
group_h = 0 # the accumulated height
# in case the length is not 1
norm_normal = DraftVecUtils.scaleTo(normal, 1)
self.normal = norm_normal
elem_pos = pos
d_maxwash = 0
d_maxbear = 0
fco_list = [] # list of the freecad objects
for ind, elem in enumerate(holcyl_list):
fco = fcfun.addCylHolePos(r_out=elem.r_out,
r_in=elem.r_in,
h=elem.thick,
name=name + str(ind + 1),
normal=norm_normal,
pos=elem_pos)
fco_list.append(fco)
# adding the height on the same direction
elem_pos += DraftVecUtils.scale(norm_normal, elem.thick)
#print 'index: ' + str(ind) +' thick: ' +
# str(elem.thick) + ' elem_pos: ' + str(elem_pos)
group_h += elem.thick
if elem.part == 'washer':
if d_maxwash < elem.d_out:
d_maxwash = elem.d_out
elif elem.part == 'bearing':
if d_maxbear < elem.d_out:
d_maxbear = elem.d_out
self.height = group_h
self.fco_list = fco_list
self.d_maxwash = d_maxwash
self.d_maxbear = d_maxbear
self.r_maxwash = d_maxwash / 2.
self.r_maxbear = d_maxbear / 2.
self.count = len(fco_list)
self.h_pulleybelt = self.get_pulleybelt_h
bearwashgroup = doc.addObject("Part::Compound", name)
bearwashgroup.Links = fco_list
self.fco = bearwashgroup
doc.recompute()
def getSubVolume(self,base,width,plac=None):
"returns a subvolume from a base object"
import Part
max_length = 0
f = None
for w in base.Shape.Wires:
if w.BoundBox.DiagonalLength > max_length:
max_length = w.BoundBox.DiagonalLength
f = w
if f:
f = Part.Face(f)
n = f.normalAt(0,0)
v1 = DraftVecUtils.scaleTo(n,width)
f.translate(v1)
v2 = DraftVecUtils.neg(v1)
v2 = DraftVecUtils.scale(v1,-2)
f = f.extrude(v2)
if plac:
f.Placement = plac
return f
return None
def getSubVolume(self, base, width, plac=None):
"returns a subvolume from a base object"
import Part
max_length = 0
f = None
for w in base.Shape.Wires:
if w.BoundBox.DiagonalLength > max_length:
max_length = w.BoundBox.DiagonalLength
f = w
if f:
f = Part.Face(f)
n = f.normalAt(0, 0)
v1 = DraftVecUtils.scaleTo(n, width)
f.translate(v1)
v2 = DraftVecUtils.neg(v1)
v2 = DraftVecUtils.scale(v1, -2)
f = f.extrude(v2)
if plac:
f.Placement = plac
return f
return None
def update(self,line=None,normal=None):
import WorkingPlane, DraftGeomUtils
if not normal:
normal = FreeCAD.DraftWorkingPlane.axis
if line:
if isinstance(line,list):
bp = line[0]
lvec = line[1].sub(line[0])
else:
lvec = DraftGeomUtils.vec(line.Shape.Edges[0])
bp = line.Shape.Edges[0].Vertexes[0].Point
elif self.baseline:
lvec = DraftGeomUtils.vec(self.baseline.Shape.Edges[0])
bp = self.baseline.Shape.Edges[0].Vertexes[0].Point
else:
return
right = lvec.cross(normal)
self.cube.width.setValue(lvec.Length)
p = WorkingPlane.getPlacementFromPoints([bp,bp.add(lvec),bp.add(right)])
self.trans.rotation.setValue(p.Rotation.Q)
bp = bp.add(DraftVecUtils.scale(lvec,0.5))
bp = bp.add(DraftVecUtils.scaleTo(normal,self.cube.depth.getValue()/2))
self.pos(bp)
def getSubVolume(self,base,width,plac=None):
"returns a subvolume from a base object"
import Part,DraftVecUtils
# finding biggest wire in the base shape
max_length = 0
f = None
for w in base.Shape.Wires:
if w.BoundBox.DiagonalLength > max_length:
max_length = w.BoundBox.DiagonalLength
f = w
if f:
f = Part.Face(f)
n = f.normalAt(0,0)
v1 = DraftVecUtils.scaleTo(n,width*1.1) # we extrude a little more to avoid face-on-face
f.translate(v1)
v2 = DraftVecUtils.neg(v1)
v2 = DraftVecUtils.scale(v1,-2)
f = f.extrude(v2)
if plac:
f.Placement = plac
return f
return None
def getSubVolume(self,base,width,plac=None):
"returns a subvolume from a base object"
import Part,DraftVecUtils
# finding biggest wire in the base shape
max_length = 0
f = None
for w in base.Shape.Wires:
if w.BoundBox.DiagonalLength > max_length:
max_length = w.BoundBox.DiagonalLength
f = w
if f:
f = Part.Face(f)
n = f.normalAt(0,0)
v1 = DraftVecUtils.scaleTo(n,width*1.1) # we extrude a little more to avoid face-on-face
f.translate(v1)
v2 = DraftVecUtils.neg(v1)
v2 = DraftVecUtils.scale(v1,-2)
f = f.extrude(v2)
if plac:
f.Placement = plac
return f
return None
def belt_wire_dir (center_sep, rad1, rad2,
fc_axis_l = VX,
fc_axis_s = VY,
ref_l = 1,
ref_s = 1,
pos=V0):
"""
Makes a shape of a wire with 2 circles and exterior tangent lines
check: https://en.wikipedia.org/wiki/Tangent_lines_to_circles
It is not easy to draw it well
rad1 and rad2 can be exchanged, rad1 doesnt have to be larger
.... fc_axis_s
: ( \ tangent |
rad1 : ( \ .. rad2 |--> fc_axis_l, on the direction of rad2
.--( + +)--
( /:
( / :
: :
:...:
+ center_sep
.... fc_axis_s
: ( \ tangent |
rad1 : ( \ .. rad2 |
--( + +)-- |--> fc_axis_l, on the direction of rad2
( /: centered on this axis
( / :
: :
:...:
ref_l: 3 2 1
Arguments:
center_sep: separation of the circle centers
rad1: Radius of the firs circle, on the opposite direction of fc_axis_l
fc_axis_l: vector on the direction circle centers, pointing to rad2
fc_axis_s: vector on the direction perpendicular to fc_axis_l, on the plane
of the wire
ref_l: reference (zero) of the fc_axis_l
1: reference on the center
2: reference at one of the semicircle centers (point 2)
the other circle center will be on the direction of fc_axis_l
3: reference at the end of rad1 circle
the other end will be on the direction of fc_axis_l
pos: FreeCAD vector of the position of the reference
returns the shape of the wire
"""
# normalize the axis
axis_l = DraftVecUtils.scaleTo(fc_axis_l,1)
axis_s = DraftVecUtils.scaleTo(fc_axis_s,1)
# .... fc_axis_s
# : ( \ tangent |
# rad1 : ( \ .. rad2 |
# --3 2 1 45-- |--> fc_axis_l, on the direction of rad2
# ( /: centered on this axis
# ( / :
# : :
# :...:
# + center_sep
# ----- Distance vectors on axis_l
# distance from 1 to 2 in axis_l
fc_1_2_l = DraftVecUtils.scale(axis_l, -center_sep/2.)
fc_2_3_l = DraftVecUtils.scale(axis_l, -rad1)
fc_2_4_l = DraftVecUtils.scale(axis_l, center_sep)
fc_4_5_l = DraftVecUtils.scale(axis_l, rad2)
fc_2_5_l = fc_2_4_l + fc_4_5_l
# ----- reference is point 2 on axis_l
# vector to go from the reference point to point 2 in l
if ref_l == 1: # ref on circle center sep
refto_2_l = fc_1_2_l
elif ref_l == 2: # ref on circle center (rad1)
refto_2_l = V0
elif ref_l == 3: # ref at the left end
refto_2_l = fc_2_3_l.negative()
else:
logger.error('wrong ref_l in shp_belt_wire_dir')
# Now define the center of the rad1 circle
# and everything will be defined from this point
# ln: L axis Negative side
# lp: L axis Positive side
# sn: S axis Negative side
# sp: S axis Positive side
# s0: S axis at zero
#
# .... ln_sp fc_axis_s
# : ( \ tangent |
# rad1 : ( \ lp_sp |
# ln_s0 2 4lp_s0 |--> fc_axis_l, on the direction of rad2
# ( / lp_sn centered on this axis
# ( /
# lp_sp
#
# cs_rad1 is point 2 (center of circle 1)
#cs_rad1 = pos + refto_2_l
# reference at point 3 (ln_s0)
cs_rad1 = refto_2_l + fc_2_3_l.negative()
# cs_rad2 is point 4 (center of circle 2)
cs_rad2 = cs_rad1 + fc_2_4_l
# ln_s0 is point 3
ln_s0_pos = cs_rad1 + fc_2_3_l # should be 0,0
# lp_s0 is point 5
lp_s0_pos = cs_rad2 + fc_4_5_l
dif_rad = float(abs(rad1 - rad2))
# Since we take our reference on axis_l, they are aligned, like if they were
# on axis X, and axis Y would be zero.
# therefore, angle gamma is zero (se wikipedia)
# check: https://en.wikipedia.org/wiki/Tangent_lines_to_circles
# the angle beta of the tanget is calculate from pythagoras:
# the length (separation between centers) and dif_rad
beta = math.atan (dif_rad/center_sep)
#print('beta %f', 180*beta/math.pi)
#print('beta %f', beta*math.pi/2)
# depending on who is larger rad1 or rad2, the negative angle will be either
# on top or down of axis_s
#
# ( \
# ( /alfa beta\ which is 90-beta
# ( )
# ( /
# ( /
#
cos_beta = math.cos(beta)
sin_beta = math.sin(beta)
tan_axis_s_rad1add = DraftVecUtils.scale(axis_s, rad1 * cos_beta)
tan_axis_s_rad2add = DraftVecUtils.scale(axis_s, rad2 * cos_beta)
if rad1 > rad2: # then it will be positive on axis_l on rad1 and rad2
tan_axis_l_rad1add = DraftVecUtils.scale(axis_l, rad1 * sin_beta)
tan_axis_l_rad2add = DraftVecUtils.scale(axis_l, rad2 * sin_beta)
else:
tan_axis_l_rad1add = DraftVecUtils.scale(axis_l, - rad1 * sin_beta)
tan_axis_l_rad2add = DraftVecUtils.scale(axis_l, - rad2 * sin_beta)
ln_sp_pos = cs_rad1 + tan_axis_l_rad1add + tan_axis_s_rad1add
ln_sn_pos = cs_rad1 + tan_axis_l_rad1add + tan_axis_s_rad1add.negative()
lp_sp_pos = cs_rad2 + tan_axis_l_rad2add + tan_axis_s_rad2add
lp_sn_pos = cs_rad2 + tan_axis_l_rad2add + tan_axis_s_rad2add.negative()
#cq_plane = cq.Plane(origin=(pos.x,pos.y,pos.z), xDir=fc_axis_l,
# normal=fc_axis_l.cross(fc_axis_s))
#cq_plane = cq.Plane(origin=(lp_sp_pos.x,lp_sp_pos.y,pos.z),
cq_plane = cq.Plane(origin=(pos.x,pos.y,pos.z),
xDir=axis_s.negative(),
normal=axis_l.cross(axis_s))
lp_sp_pos_y = lp_sp_pos.dot(axis_l)
lp_sp_pos_x = lp_sp_pos.dot(axis_s)
lp_s0_pos_y = lp_s0_pos.dot(axis_l)
lp_s0_pos_x = lp_s0_pos.dot(axis_s)
lp_sn_pos_y = lp_sn_pos.dot(axis_l)
lp_sn_pos_x = lp_sn_pos.dot(axis_s)
ln_sp_pos_y = ln_sp_pos.dot(axis_l)
ln_sp_pos_x = ln_sp_pos.dot(axis_s)
ln_s0_pos_y = ln_s0_pos.dot(axis_l)
ln_s0_pos_x = ln_s0_pos.dot(axis_s)
ln_sn_pos_y = ln_sn_pos.dot(axis_l)
ln_sn_pos_x = ln_sn_pos.dot(axis_s)
result = cq.Workplane(cq_plane).move(lp_sp_pos_x,lp_sp_pos_y)\
.threePointArc((lp_s0_pos_x, lp_s0_pos_y),
(lp_sn_pos_x, lp_sn_pos_y))\
.lineTo(ln_sn_pos_x,ln_sn_pos_y)\
.threePointArc((ln_s0_pos_x, ln_s0_pos_y),
(ln_sp_pos_x, ln_sp_pos_y))\
.close()
return (result)
#axis_front = VYN axis_mov = VY axis_front = VX axis_up = VZ # distance in mm that the filter is going to move mov_distance = 60. # width of the timming belt belt_w = 6. # position of the filter # position of the filter in the middle filter_pos_0 = V0 # position of the filter relative to it 0 position filter_mov = DraftVecUtils.scale(axis_mov, 0) filter_pos = filter_pos_0 + filter_mov # the point of this position is the filter center of symmetry and its base filter_pos_d = 9 filter_pos_w = 0 filter_pos_h = 1 # width of the belt belt_w = 6. # height of the belt clamp beltclamp_h = belt_w + 2 # length of the motor shaft motorshaft_l = 24. # width of the aluminum profile aluprof_w = 15.
leadscrew_tot_l = 510. #(mirar)
leadscrew_motor_space_l = 30.
leadscrew_int_l = leadscrew_tot_l - leadscrew_motor_space_l
leadscrew_d = 12 # trapecial, or 16.
# perfiles del portico en altura
alu_len_port_v = 400
# perfiles que bajan del portico para empujar
alu_len_empuje_v = 244
alu_tray_name = 'alu_tray'
# travesano interno para el final del husillo y su soporte
alu_base_traves_int_pos = DraftVecUtils.scale(VY, leadscrew_int_l-alu_w/2)
h_alu = comps.getaluprof_dir(d_alu, length=alu_len_w_int1,
fc_axis_l = VX,
fc_axis_w = VY,
fc_axis_p = VZN,
ref_l = 1, # centered
ref_w = 1, # centered
ref_p = 2, # at top
wfco = 1,
pos = alu_base_traves_int_pos + pos_0,
name = 'travesano_int')
print ('travesanos ancho: ', str(alu_len_w))
# los travesanos en direccion x, cubren el ancho
for y_i in [0,1]: #
alu_name = 'alu_travesano_base' + '_y' + str(y_i)
def __init__(self, size,
fc_axis_h = VZ,
fc_axis_d = VX,
fc_axis_w = V0,
pos_h = 1,
pos_w = 1,
pos_d = 1,
pillow = 0, #make it the same height of a pillow block
pos = V0,
wfco = 1,
tol = 0.3,
name= "shaft_holder"):
self.size = size
self.wfco = wfco
self.name = name
self.pos = FreeCAD.Vector(0,0,0)
self.position = pos
self.tol = tol
self.pos_h = pos_h
self.pos_w = pos_w
self.pos_d = pos_d
doc = FreeCAD.ActiveDocument
if pillow == 0:
skdict = kcomp.SK.get(size)
else:
skdict = kcomp.PILLOW_SK.get(size)
if skdict == None:
logger.error("Sk size %d not supported", size)
# normalize de axis
axis_h = DraftVecUtils.scaleTo(fc_axis_h,1)
axis_d = DraftVecUtils.scaleTo(fc_axis_d,1)
if fc_axis_w == V0:
axis_w = axis_h.cross(axis_d)
else:
axis_w = DraftVecUtils.scaleTo(fc_axis_w,1)
axis_h_n = axis_h.negative()
axis_d_n = axis_d.negative()
axis_w_n = axis_w.negative()
NuevaClase.Obj3D.__init__(self, axis_d, axis_w, axis_h, name = name)
# Total height:
sk_h = skdict['H']
self.tot_h = sk_h
# Total width (Y):
sk_w = skdict['W']
self.tot_w = sk_w
# Total depth (x):
sk_d = skdict['L']
self.tot_d = sk_d
# Base height
sk_base_h = skdict['g']
# center width
sk_center_w = skdict['I']
# Axis height:
sk_axis_h = skdict['h']
# self.axis_h = sk_axis_h
# Mounting bolts separation
sk_mbolt_sep = skdict['B']
# tightening bolt with added tolerances:
tbolt_d = skdict['tbolt']
# Bolt's head radius
tbolt_head_r = (self.holtol
* kcomp.D912_HEAD_D[skdict['tbolt']])/2.0
# Bolt's head lenght
tbolt_head_l = (self.holtol
* kcomp.D912_HEAD_L[skdict['tbolt']] )
# Mounting bolt radius with added tolerance
mbolt_r = self.holtol * skdict['mbolt']/2.
self.d0_cen = 0
self.w0_cen = 1 # symmetric
self.h0_cen = 0
# vectors from the origin to the points along axis_d:
self.d_o[0] = V0 # origin
self.d_o[1] = self.vec_d(sk_d/2.)
self.d_o[2] = self.vec_d(sk_d)
# vectors from the origin to the points along axis_w:
self.w_o[0] = V0
self.w_o[1] = self.vec_w(sk_mbolt_sep/2)
self.w_o[2] = self.vec_w(sk_w/2)
# vectors from the origin to the points along axis_h:
self.h_o[0] = V0
self.h_o[1] = self.vec_h(sk_axis_h)
# calculates the position of the origin, and keeps it in attribute pos_o
self.set_pos_o()
# TODO: See how to change this reference points
if pos_h == 1: # distance vectors on axis_h
ref2rod_h = V0 # h_o[0]
ref2base_h = DraftVecUtils.scale(axis_h, -sk_axis_h) # h_o[1]
else:
ref2rod_h = DraftVecUtils.scale(axis_h, sk_axis_h) # h_o[1]
ref2base_h = V0 # h_o[0]
if pos_w == 0: # distance vectors on axis_w
ref2cen_w = V0 # w_o[0]
ref2bolt_w = DraftVecUtils.scale(axis_w, -sk_mbolt_sep/2.) # w_o[-1]
ref2end_w = DraftVecUtils.scale(axis_w, -sk_w/2.) # w_o[2]
elif pos_w == 1:
ref2cen_w = DraftVecUtils.scale(axis_w, sk_mbolt_sep/2.) # w_o[1]
ref2bolt_w = V0 # w_o[0]
ref2end_w = DraftVecUtils.scale(axis_w, -(sk_w-sk_mbolt_sep)/2.) # w_o[]
else: # w_o == -1 at the end on the width dimension
ref2cen_w = DraftVecUtils.scale(axis_w, sk_w/2.) # w_o[2]
ref2bolt_w = DraftVecUtils.scale(axis_w, (sk_w-sk_mbolt_sep)/2.) # w_o[]
if pos_d == 1: # distance vectors on axis_d
ref2cen_d = V0 # d_o[0]
ref2end_d = DraftVecUtils.scale(axis_d, -sk_d/2.) # d_o[1]
else:
ref2cen_d = DraftVecUtils.scale(axis_d, sk_d/2.) # d_o[1]
ref2end_d = V0 # d_o[0]
# TODO: Use the newe method:
# super().get_pos_dwh(pos_d,pos_w,pos_h)
basecen_pos = self.pos + ref2base_h + ref2cen_w + ref2cen_d
# Making the tall box:
shp_tall = fcfun.shp_box_dir (box_w = sk_center_w,
box_d = sk_d,
box_h = sk_h,
fc_axis_w = axis_w,
fc_axis_h = axis_h,
fc_axis_d = axis_d,
cw = 1, cd= 1, ch=0, pos = basecen_pos)
# Making the wide box:
shp_wide = fcfun.shp_box_dir (box_w = sk_w,
box_d = sk_d,
box_h = sk_base_h,
fc_axis_w = axis_w,
fc_axis_h = axis_h,
fc_axis_d = axis_d,
cw = 1, cd= 1, ch=0, pos = basecen_pos)
shp_sk = shp_tall.fuse(shp_wide)
doc.recompute()
shp_sk = shp_sk.removeSplitter()
holes = []
# Shaft hole,
rodcen_pos = self.pos + ref2rod_h + ref2cen_w + ref2cen_d
rod_hole = fcfun.shp_cylcenxtr(r= size/2. +self.tol,
h = sk_d,
normal = axis_d,
ch = 1,
xtr_top = 1,
xtr_bot = 1,
pos = rodcen_pos)
holes.append(rod_hole)
# the upper sepparation
shp_topopen = fcfun.shp_box_dir_xtr (
box_w = self.up_sep_dist,
box_d = sk_d,
box_h = sk_h-sk_axis_h,
fc_axis_w = axis_w,
fc_axis_h = axis_h,
fc_axis_d = axis_d,
cw = 1, cd= 1, ch=0,
xtr_h = 1, xtr_d = 1, xtr_nd = 1,
pos = rodcen_pos)
holes.append(shp_topopen)
# Tightening bolt hole
# tbolt_d is the diameter of the bolt: (M..) M4, ...
# tbolt_head_r: is the radius of the tightening bolt's head
# (including tolerance), which its bottom either
#- is at the middle point between
# - A: the total height :sk_h
# - B: the top of the shaft hole: axis_h + size/2.
# - so the result will be (A + B)/2
# tot_h - (axis_h + size/2.)
# _______..A........................
# | ___ |.B.......+ rodtop2top_dist = sk_h - (axis_h + size/2.)
# | / \ |.......+ size/2.
# | \___/ | :
# __| |__ + axis_h
# |_____________|....:
rodtop2top_dist = sk_h - (sk_axis_h + size/2.)
tbolt_pos = ( rodcen_pos
+ DraftVecUtils.scale(axis_w, sk_center_w/2.)
+ DraftVecUtils.scale(axis_h, size/2.)
+ DraftVecUtils.scale(axis_h, rodtop2top_dist/2.))
shp_tbolt = fcfun.shp_bolt_dir(r_shank= tbolt_d/2.,
l_bolt = sk_center_w,
r_head = tbolt_head_r,
l_head = tbolt_head_l,
hex_head = 0,
xtr_head = 1,
xtr_shank = 1,
support = 0,
fc_normal = axis_w_n,
fc_verx1 = axis_h,
pos = tbolt_pos)
holes.append(shp_tbolt)
#Mounting bolts
cen2mbolt_w = DraftVecUtils.scale(axis_w, sk_mbolt_sep/2.)
for w_pos in [cen2mbolt_w.negative(), cen2mbolt_w]:
mbolt_pos = basecen_pos + w_pos
mbolt_hole = fcfun.shp_cylcenxtr(r= mbolt_r,
h = sk_d,
normal = axis_h,
ch = 0,
xtr_top = 1,
xtr_bot = 1,
pos = mbolt_pos)
holes.append(mbolt_hole)
shp_holes = fcfun.fuseshplist(holes)
shp_sk = shp_sk.cut(shp_holes)
self.shp = shp_sk
if wfco == 1:
super().create_fco()
# Need to set first in (0,0,0) and after that set the real placement.
# This enable to do rotations without any issue
self.fco.Placement.Base = FreeCAD.Vector(0,0,0)
self.fco.Placement.Base = self.position
def filter_stage_fun(move_l, Filter_Length, Filter_Width, nut_hole,
tens_stroke_Var, base_w, wall_thick_Var, size_motor,
h_motor, thik_motor, pos):
#move_l => mov_distance
#nut_hole => bolttens_mtr
#tens_stroke_Var => tens_stroke
#base_w => aluprof_w
#wall_thick_Var => wall_thick
# distance in mm that the filter is going to move
mov_distance = move_l #60.
# width of the timming belt
belt_w = 6.
# position of the filter
# position of the filter in the middle
filter_pos_0 = pos
# position of the filter relative to it 0 position
filter_mov = DraftVecUtils.scale(axis_mov, 0)
filter_pos = filter_pos_0 + filter_mov
# the point of this position is the filter center of symmetry and its base
filter_pos_d = 9
filter_pos_w = 0
filter_pos_h = 1
# width of the belt
belt_w = 6.
# height of the belt clamp
beltclamp_h = belt_w + 2
# length of the motor shaft
motorshaft_l = 24.
# width of the aluminum profile
aluprof_w = base_w #Base del tension holder #20.
# dictionary with the dimensions of the aluminum profile
aluprof_dict = kcomp.ALU_PROF[aluprof_w]
belt_dict = kcomp.GT[2]
# ------ linear guide for the filter holder
linguide_dict = kcomp.SEB15A
linguide_blk_dict = linguide_dict['block']
linguide_rail_dict = linguide_dict['rail']
bolt_linguide_mtr = linguide_blk_dict['boltd']
filter_holder = filter_holder_clss.PartFilterHolder(
filter_l=Filter_Length,
filter_w=Filter_Width,
filter_t=2.5,
base_h=6.,
hold_d=10., #12
filt_supp_in=2.,
filt_rim=3.,
filt_cen_d=30,
fillet_r=1.,
boltcol1_dist=20 / 2.,
boltcol2_dist=12.5,
boltcol3_dist=25,
boltrow1_h=0,
boltrow1_2_dist=12.5,
boltrow1_3_dist=20.,
boltrow1_4_dist=25.,
bolt_cen_mtr=4,
bolt_linguide_mtr=bolt_linguide_mtr,
beltclamp_t=3.,
beltclamp_l=12.,
beltclamp_h=beltclamp_h,
clamp_post_dist=4.,
sm_beltpost_r=1.,
tol=kcomp.TOL,
axis_d=axis_front,
axis_w=axis_mov,
axis_h=axis_up,
pos_d=filter_pos_d,
pos_w=filter_pos_w,
pos_h=filter_pos_h,
pos=filter_pos,
name='filter_holder')
filter_holder.set_color(fcfun.YELLOW_05)
# ------ linear guide for the filter holder
# block:
partLinGuideBlock = comps.PartLinGuideBlock(block_dict=linguide_blk_dict,
rail_dict=linguide_rail_dict,
axis_d=axis_mov,
axis_w=axis_up,
axis_h=axis_front,
pos_d=0,
pos_w=-2,
pos_h=3,
pos=filter_holder.get_pos_dwh(
0, 0, 3))
# 4 bolts to attach the filter holder to the linear guide
# the bolt head has to be touching the hole for the bolt: pos_d = 5
bolt_head_pos = filter_holder.get_o_to_d(5)
for w_i in [-2, 2]:
for d_i in [-1, 1]:
# positions of the bolts at the linear guide
filter_bolt_pos_i = (partLinGuideBlock.get_pos_dwh(d_i, w_i, 3) +
bolt_head_pos)
fc_clss.Din912Bolt(
metric=bolt_linguide_mtr,
shank_l=(bolt_head_pos.Length + partLinGuideBlock.bolt_l),
shank_l_adjust=-1, # shorter to shank_l
axis_h=axis_front.negative(),
pos_h=3,
pos=filter_bolt_pos_i,
name='filter_bolt_w' + str(w_i) + '_d' + str(d_i))
# rail
# the rail will be in the direcion of:
# axis_up: defined by partLinGuideBlock
# axis_front: defined by partLinGuideBlock
# axis_mov: NOT defined by partLinGuideBlock, because it moves along
# this axis
# Defined by filter_pos_0
pos_fromblock = partLinGuideBlock.get_pos_dwh(0, 0, 4)
#dif_pos = pos_fromblock - filter_mov
#min_axis_mov = DraftVecUtils.project(dif_pos, axis_mov)
rail_xtr_d = 10.
pos_rail = (pos_fromblock - filter_mov +
DraftVecUtils.scale(axis_mov, rail_xtr_d / 2.))
partLinGuideRail = comps.PartLinGuideRail(
rail_d=(filter_holder.tot_w + mov_distance + rail_xtr_d),
rail_dict=linguide_rail_dict,
boltend_sep=0,
axis_d=axis_mov,
axis_w=axis_up,
axis_h=axis_front,
# center along axis_d and axis_d, base along axis_h
pos_d=2,
pos_w=0,
pos_h=0,
pos=pos_rail)
# get the position of the belt of the filter, at center of symmetry
belt_pos_mov = filter_holder.get_pos_dwh(2, 0, 7)
# get the position of the belt of the filter if not moved
belt_pos = filter_holder.get_pos_dwh(2, 0, 7) - filter_mov
tensioner_pos = (belt_pos + DraftVecUtils.scale(
axis_mov, mov_distance / 2. + filter_holder.tot_w / 2. +
tens_stroke_Var) + DraftVecUtils.scale(axis_up, belt_w / 2.))
# position of the set: motor pulley holder
nemaholder_w_motor_pos = (belt_pos + DraftVecUtils.scale(
axis_mov, -mov_distance / 2. - filter_holder.tot_w / 2. - aluprof_w) +
DraftVecUtils.scale(axis_up, belt_w / 2.))
print(str(belt_pos))
print(str(tensioner_pos))
# at the end of the idler tensioner, when it is all the way in
tensioner_pos_d = 6
#tensioner_pos_d = 2
tensioner_pos_w = -1 # at the pulley radius
tensioner_pos_h = 3 # middle point of the pulley
# calculating the distance from the base of the tensioner to the middle of the
# pulley, distance along axis_up (two planes)
# these to sentences are equivalent
# no need to be this complicated if using axis_z
#tensioner_belt_h = ((DraftVecUtils.project(
# tensioner_pos-pos_rail, axis_up)).Length
# - aluprof_w / 2.)
tensioner_belt_h = (
pos_rail.distanceToPlane(tensioner_pos, axis_up.negative()) -
aluprof_w / 2.)
# metric of the bolt to attach the tensioner
boltaluprof_mtr = 4
tensioner = tensioner_clss.TensionerSet(
aluprof_w=base_w, #20.,
belt_pos_h=tensioner_belt_h,
hold_bas_h=0,
hold_hole_2sides=1,
boltidler_mtr=3,
bolttens_mtr=nut_hole, #métrica del tensor
boltaluprof_mtr=boltaluprof_mtr,
tens_stroke=tens_stroke_Var,
wall_thick=wall_thick_Var,
in_fillet=2.,
pulley_stroke_dist=0,
nut_holder_thick=nut_hole,
opt_tens_chmf=0,
min_width=0,
tol=kcomp.TOL,
axis_d=axis_mov.negative(),
axis_w=axis_front.negative(),
axis_h=axis_up,
pos_d=tensioner_pos_d,
pos_w=tensioner_pos_w,
pos_h=tensioner_pos_h,
pos=tensioner_pos,
name='tensioner_set')
# get_idler_tensioner gets the set, including the pulley. Either of these 2
# would be correct
#tensioner.get_idler_tensioner().get_idler_tensioner().set_color(fcfun.ORANGE)
tensioner.get_idler_tensioner().set_color(fcfun.ORANGE,
2) #2: the tensioner
tensioner.set_color(fcfun.LSKYBLUE, 2) #2: the holder
# position of the aluminum profile that supports the tensioner
# point at the base, at the end along axis w, centered along axis_d (bolts)
aluprof_tens_pos = tensioner.get_pos_dwh(2, -4, 0)
#distance from this end of the aluprofile to the linear guide rail
aluprof_tens_l = (aluprof_tens_pos.distanceToPlane(pos_rail, axis_front) +
aluprof_w)
print('aluprof: ' + str(aluprof_tens_l))
# length of the aluminum profile that supports the tensioner
#aluprof_tens_l = tensioner.get_tensioner_holder().hold_bas_w
aluprof_tens = comps.PartAluProf(
depth=aluprof_tens_l,
aluprof_dict=aluprof_dict,
xtr_d=0,
#xtr_nd = aluprof_tens_l/2., # extra length
xtr_nd=0,
axis_d=axis_front.negative(),
axis_w=axis_mov,
axis_h=axis_up,
pos_d=1, #end not counting xtr_nd
pos_w=0, # centered
pos_h=3,
pos=aluprof_tens_pos)
# Bolts for the belt tensioner
max_tens_bolt_l = (
aluprof_tens.get_h_ab(3, 1).Length # space for bolt in profile
+ tensioner.get_tensioner_holder().hold_bas_h) # base thickness
print('shank_l ' + str(max_tens_bolt_l))
for w_i in [-3, 3]: # position of bolts
tens_bolt_i_pos = tensioner.get_pos_dwh(2, w_i, 1)
tens_bolt_i = partset.Din912BoltWashSet(
metric=boltaluprof_mtr,
shank_l=max_tens_bolt_l,
# smaller considering the washer
shank_l_adjust=-2,
axis_h=axis_up.negative(),
pos_h=3,
pos_d=0,
pos_w=0,
pos=tens_bolt_i_pos)
# set with:
# + motor holder
# + motor
# + pulley
motor_holder_pos = (
belt_pos + DraftVecUtils.scale(axis_mov, -mov_distance) +
DraftVecUtils.scale(axis_up, -(motorshaft_l - beltclamp_h)))
#nema_size = 11
nema_size = size_motor
nemaholder_w_motor = partset.NemaMotorPulleyHolderSet(
nema_size=nema_size,
motor_base_l=32.,
motor_shaft_l=motorshaft_l,
motor_circle_r=11.,
motor_circle_h=2.,
motor_chmf_r=1.,
pulley_pitch=2.,
pulley_n_teeth=20,
pulley_toothed_h=7.5,
pulley_top_flange_h=1.,
pulley_bot_flange_h=0,
pulley_tot_h=16.,
pulley_flange_d=15.,
pulley_base_d=15.,
#pulley_tol = 0,
pulley_pos_h=5.,
hold_wall_thick=thik_motor, #4.,
hold_motorside_thick=3.,
hold_reinf_thick=3.,
hold_rail_min_h=3.,
hold_rail_max_h=h_motor, #20.,
hold_motor_xtr_space=2.,
hold_bolt_wall_d=4.,
# hold_chmf_r = 1.,
axis_h=axis_up,
axis_d=axis_mov.negative(),
axis_w=axis_front,
pos_h=11, # middle point of the pulley toothed part
pos_d=0, #0: at the wall where this holder is attached
pos_w=5, #5: inner radius of the pulley (to the back
pos=nemaholder_w_motor_pos)
nemaholder_w_motor.set_color(fcfun.GREEN_05, 2) #2: the holder
# aluminum profile for the motor holder
aluprof_distance = (aluprof_tens_pos.distanceToPlane(
nemaholder_w_motor_pos, axis_mov))
aluprof_motor_pos = (aluprof_tens_pos -
DraftVecUtils.scale(axis_mov, aluprof_distance))
aluprof_motor = comps.PartAluProf(
depth=aluprof_tens_l,
aluprof_dict=aluprof_dict,
xtr_d=0,
#xtr_nd = aluprof_tens_l/2., # extra length
xtr_nd=0,
axis_d=axis_front.negative(),
axis_w=axis_mov,
axis_h=axis_up,
pos_d=1, #end not counting xtr_nd
pos_w=-3, #not centered, touching the holder
pos_h=3,
pos=aluprof_motor_pos)
# get the top-right-corner:
aluprof_linguide_pos = aluprof_motor.get_pos_dwh(5, 3, 3)
aluprof_linguide = comps.PartAluProf(
depth=aluprof_distance - 3 * aluprof_w / 2.,
aluprof_dict=aluprof_dict,
xtr_d=0,
xtr_nd=0,
axis_d=axis_mov,
axis_w=axis_front,
axis_h=axis_up,
pos_d=0, #end not counting xtr_nd
pos_w=-3,
pos_h=3,
pos=aluprof_linguide_pos)
nema_motor_pull = nemaholder_w_motor.get_nema_motor_pulley()
motor_pull = nema_motor_pull.get_gt_pulley()
# external diameter of the motor pulley
motor_pull_dm = 2 * (motor_pull.tooth_in_r + belt_dict['BELT_H'])
tens_idler_set = tensioner.get_idler_tensioner()
tens_pull = tens_idler_set.get_bear_wash_set()
tens_pull_dm = 2 * (tens_pull.bear_r_out + belt_dict['BELT_H'])
# d=5: center of pulley, inside
# h=3: center of pulley on the height
tens_pull_pos = tensioner.get_pos_dwh(5, 0, 3)
# d=3: center of pulley
# h=11: center of pulley on the height
motor_pull_pos = nemaholder_w_motor.get_pos_dwh(3, 0, 11)
pull_sep = tens_pull_pos - motor_pull_pos
pull_sep_mov = pull_sep.dot(axis_mov)
pull_sep_front = pull_sep.dot(axis_front.negative())
# position of the internal side of the clamp block, closer to the motor
# and closer to the linear guide
filthold_clamp_pos_n = filter_holder.get_pos_dwh(1, -7, 8)
filthold_clamp_pos = filter_holder.get_pos_dwh(1, 7, 8)
# distances to the belt
motorpull_clamp_sep = filthold_clamp_pos_n - motor_pull_pos
motorpull_clamp_sep_mov = motorpull_clamp_sep.dot(axis_mov)
motorpull_clamp_sep_front = motorpull_clamp_sep.dot(axis_front)
idlpull_clamp_sep_mov = (pull_sep_mov - motorpull_clamp_sep_mov -
filter_holder.tot_w)
belt = beltcl.PartBeltClamped(
pull1_dm=motor_pull_dm,
pull2_dm=tens_pull_dm,
pull_sep_d=pull_sep_mov,
pull_sep_w=pull_sep_front,
clamp_pull1_d=motorpull_clamp_sep_mov,
clamp_pull1_w=motorpull_clamp_sep_front,
clamp_pull2_d=idlpull_clamp_sep_mov,
clamp_d=filter_holder.beltclamp_l,
clamp_w=filter_holder.beltclamp_t,
clamp_cyl_sep=filter_holder.clamp_lrbeltpostcen_dist,
cyl_r=filter_holder.lr_beltpost_r + belt_dict['BELT_H'],
belt_width=belt_w,
belt_thick=belt_dict['BELT_H'],
axis_d=axis_mov,
axis_w=axis_front.negative(),
axis_h=axis_up,
pos_d=0,
pos_w=0,
pos_h=0,
pos=motor_pull_pos)
belt.set_color(fcfun.GRAY_08)
def filter_holder_fun(Filter_Length, Filter_Width, Set_Select):
# Other option. Set a value to change all the values (1*Size)
mov_distance = 60.
filter_mov = DraftVecUtils.scale(axis_mov, 0)
linguide_dict = kcomp.SEB15A
linguide_blk_dict = linguide_dict['block']
linguide_rail_dict = linguide_dict['rail']
bolt_linguide_mtr = linguide_blk_dict['boltd']
filter_holder = filter_holder_clss.PartFilterHolder(
filter_l=Filter_Length,
filter_w=Filter_Width,
filter_t=2.5,
base_h=6.,
hold_d=12.,
filt_supp_in=2.,
filt_rim=3.,
filt_cen_d=30,
fillet_r=1.,
boltcol1_dist=20 / 2.,
boltcol2_dist=12.5,
boltcol3_dist=25,
boltrow1_h=0,
boltrow1_2_dist=12.5,
boltrow1_3_dist=20.,
boltrow1_4_dist=25.,
bolt_cen_mtr=4,
bolt_linguide_mtr=bolt_linguide_mtr,
beltclamp_t=3.,
beltclamp_l=12.,
beltclamp_h=5., #beltclamp_h,
clamp_post_dist=4.,
sm_beltpost_r=1.,
tol=kcomp.TOL,
axis_d=axis_front,
axis_w=axis_mov,
axis_h=axis_up,
pos_d=0, #filter_pos_d,
pos_w=0, #filter_pos_w,
pos_h=0, #filter_pos_h,
pos=V0, #filter_pos,
name='filter_holder')
filter_holder.set_color(fcfun.YELLOW_05)
if Set_Select == 1:
# ------ linear guide for the filter holder
# block:
partLinGuideBlock = comps.PartLinGuideBlock(
block_dict=linguide_blk_dict,
rail_dict=linguide_rail_dict,
axis_d=axis_mov,
axis_w=axis_up,
axis_h=axis_front,
pos_d=0,
pos_w=-2,
pos_h=3,
pos=filter_holder.get_pos_dwh(0, 0, 3))
# 4 bolts to attach the filter holder to the linear guide
bolt_head_pos = filter_holder.get_o_to_d(5)
for w_i in [-2, 2]:
for d_i in [-1, 1]:
# positions of the bolts at the linear guide
filter_bolt_pos_i = (
partLinGuideBlock.get_pos_dwh(d_i, w_i, 3) + bolt_head_pos)
fc_clss.Din912Bolt(
metric=bolt_linguide_mtr,
shank_l=(bolt_head_pos.Length + partLinGuideBlock.bolt_l),
shank_l_adjust=-1, # shorter to shank_l
axis_h=axis_front.negative(),
pos_h=3,
pos=filter_bolt_pos_i,
name='filter_bolt_w' + str(w_i) + '_d' + str(d_i))
pos_fromblock = partLinGuideBlock.get_pos_dwh(0, 0, 4)
rail_xtr_d = 10.
pos_rail = (pos_fromblock - filter_mov +
DraftVecUtils.scale(axis_mov, rail_xtr_d / 2.))
partLinGuideRail = comps.PartLinGuideRail(
rail_d=(filter_holder.tot_w + mov_distance + rail_xtr_d),
rail_dict=linguide_rail_dict,
boltend_sep=0,
axis_d=axis_mov,
axis_w=axis_up,
axis_h=axis_front,
# center along axis_d and axis_d, base along axis_h
pos_d=2,
pos_w=0,
pos_h=0,
pos=pos_rail)
def makeStraightStairsWithLanding(self,obj,edge):
"builds a straight staircase with/without a landing in the middle"
if obj.NumberOfSteps < 3:
return
import Part,DraftGeomUtils
v = DraftGeomUtils.vec(edge)
landing = 0
if obj.TreadDepthEnforce == 0:
if obj.Landings == "At center":
if obj.LandingDepth:
reslength = edge.Length - obj.LandingDepth.Value
else:
reslength = edge.Length - obj.Width.Value
vLength = DraftVecUtils.scaleTo(v,float(reslength)/(obj.NumberOfSteps-2))
else:
reslength = edge.Length
vLength = DraftVecUtils.scaleTo(v,float(reslength)/(obj.NumberOfSteps-1))
else:
if obj.Landings == "At center":
reslength = obj.TreadDepthEnforce * (obj.NumberOfSteps-2) # TODO any use ?
else:
reslength = obj.TreadDepthEnforce * (obj.NumberOfSteps-1) # TODO any use ?
vLength = DraftVecUtils.scaleTo(v,float(obj.TreadDepthEnforce))
vLength = Vector(vLength.x,vLength.y,0)
vWidth = DraftVecUtils.scaleTo(vLength.cross(Vector(0,0,1)),obj.Width.Value)
p1 = edge.Vertexes[0].Point
if obj.RiserHeightEnforce == 0:
if round(v.z,Draft.precision()) != 0:
h = v.z
else:
h = obj.Height.Value
hstep = h/obj.NumberOfSteps
else:
h = obj.RiserHeightEnforce.Value * (obj.NumberOfSteps)
hstep = obj.RiserHeightEnforce.Value
if obj.Landings == "At center":
landing = int(obj.NumberOfSteps/2)
else:
landing = obj.NumberOfSteps
if obj.LastSegment:
lastSegmentAbsTop = obj.LastSegment.AbsTop
p1 = Vector(p1.x, p1.y,lastSegmentAbsTop.z) # use Last Segment top's z-coordinate
obj.AbsTop = p1.add(Vector(0,0,h))
p2 = p1.add(DraftVecUtils.scale(vLength,landing-1).add(Vector(0,0,landing*hstep)))
if obj.Landings == "At center":
if obj.LandingDepth:
p3 = p2.add(DraftVecUtils.scaleTo(vLength,obj.LandingDepth.Value))
else:
p3 = p2.add(DraftVecUtils.scaleTo(vLength,obj.Width.Value))
if obj.Flight in ["HalfTurnLeft HalfTurnLeft", "HalfTurnRight"]:
if (obj.Align == "Left" and obj.Flight == "HalfTurnLeft") or (obj.Align == "Right" and obj.Flight == "HalfTurnRight"):
p3r = p2
elif (obj.Align == "Left" and obj.Flight == "HalfTurnRight"):
p3r = self.align(p2,"Right",-2*vWidth) # -ve / opposite direction of "Right" - no "Left" in _Stairs.Align()
elif (obj.Align == "Right" and obj.Flight == "HalfTurnLeft"):
p3r = self.align(p2,"Right",2*vWidth)
elif (obj.Align == "Center" and obj.Flight == "HalfTurnLeft"):
p3r = self.align(p2,"Right",vWidth)
elif (obj.Align == "Center" and obj.Flight == "HalfTurnRight"):
p3r = self.align(p2,"Right",-vWidth) # -ve / opposite direction of "Right" - no "Left" in _Stairs.Align()
else:
print("Should have a bug here, if see this")
p4r = p3r.add(DraftVecUtils.scale(-vLength,obj.NumberOfSteps-(landing+1)).add(Vector(0,0,(obj.NumberOfSteps-landing)*hstep)))
else:
p4 = p3.add(DraftVecUtils.scale(vLength,obj.NumberOfSteps-(landing+1)).add(Vector(0,0,(obj.NumberOfSteps-landing)*hstep)))
self.makeStraightLanding(obj,Part.LineSegment(p2,p3).toShape(), None, True)
if obj.Flight in ["HalfTurnLeft", "HalfTurnRight"]:
self.makeStraightStairs(obj,Part.LineSegment(p3r,p4r).toShape(),obj.NumberOfSteps-landing)
else:
self.makeStraightStairs(obj,Part.LineSegment(p3,p4).toShape(),obj.NumberOfSteps-landing)
self.makeStraightStairs(obj,Part.LineSegment(p1,p2).toShape(),landing)
print (p1, p2)
if obj.Landings == "At center" and obj.Flight not in ["HalfTurnLeft", "HalfTurnRight"]:
print (p3, p4)
elif obj.Landings == "At center" and obj.Flight in ["HalfTurnLeft", "HalfTurnRight"]:
print (p3r, p4r)
def __init__(self,
d_endstop,
rail_l = 15,
base_h = 5.,
h = 0,
holder_out = 2.,
#csunk = 1,
mbolt_d = 3.,
endstop_nut_dist = 0,
min_d = 0,
axis_d = VX,
axis_w = V0,
axis_h = VZ,
pos_d = 1,
pos_w = 1,
pos_h = 1,
pos = V0,
wfco = 1,
name = 'simple_enstop_holder'):
self.pos = FreeCAD.Vector(0,0,0)
self.position = pos
self.wfco = wfco
self.name = name
self.base_h = base_h,
# normalize the axis
axis_h = DraftVecUtils.scaleTo(axis_h,1)
axis_d = DraftVecUtils.scaleTo(axis_d,1)
if axis_w == V0:
axis_w = axis_h.cross(axis_d)
else:
axis_w = DraftVecUtils.scaleTo(axis_w,1)
axis_h_n = axis_h.negative()
axis_d_n = axis_d.negative()
axis_w_n = axis_w.negative()
self.axis_h = axis_h
self.axis_d = axis_d
self.axis_w = axis_w
self.d0_cen = 0
self.w0_cen = 1 # centered
self.h0_cen = 0
self.pos_d = pos_d
self.pos_w = pos_w
self.pos_h = pos_h
self.pos = pos
Obj3D.__init__(self, axis_d, axis_w, axis_h, name)
# best axis to print, to be pointing up:
self.axis_print = axis_h
self.d_endstop = d_endstop
# :holder_out
# __:________:____________: :..................
# | _________ | | :
# | (_________) ----| 0 | + tot_w
# | _________ ----| |-----> axis_d :
# | (_________) ----| 0 | :
# |__________________|_____|...................:
# : : : : : : :
# : :..rail_l.: : : : :
# : : : : :.: :
# :bolthead_d : : : +estp_bolt_dist
# : : : :
# bolthead_r: :.......:
# : +estp_d
# : :
# :.estp_tot_d:
# :...................._..: :
# tot_d
# The width depend which side is larger
#
# ...... ______________________ ....
# mbolt_head_r ......| ________ | | :
# mbolt_head_d ......| (________) ---| 0 | :
#mbolt_head_d or more ......| ________ ---| | + estp_w or more
# mbolt_head_d ......| (________) ---| 0 | :
# mbolt_head_r ......|________________|_____|....:
# it can have a second hole:
# : :estop_topbolt_dist
# : holder_out
# __:________:______________: :..................
# | _________ | | :
# | (_________) ----| 0 0 | + tot_w
# | _________ ----| |-----> axis_d :
# | (_________) ----| 0 0 | :
# |__________________|_______|...................:
# : :
# mounting bolt data
d_mbolt = kcomp.D912[int(mbolt_d)] #dictionary of the mounting bolt
#print(str(d_mbolt))
mbolt_r_tol = d_mbolt['shank_r_tol']
mbolt_head_r = d_mbolt['head_r']
mbolt_head_r_tol = d_mbolt['head_r_tol']
mbolt_head_l = d_mbolt['head_l']
print (str(mbolt_head_l))
# endstop data. change h->d, d->h, l->w
estp_tot_d = d_endstop['HT']
estp_d = d_endstop['H']
estp_bolt_dist = d_endstop['BOLT_H']
estp_bolt_sep = d_endstop['BOLT_SEP']
estp_bolt_d = d_endstop['BOLT_D'] #diameter, not depth
estp_w = d_endstop['L']
# if there is a second bolt
if 'BOLT_TOP_H' in d_endstop:
estop_2ndbolt_topdist = d_endstop['BOLT_TOP_H']
else:
estop_2ndbolt_topdist = 0
# length of the pins:
estp_pin_d = estp_tot_d - estp_d
if min_d == 0:
tot_d = 3*mbolt_head_r + rail_l + estp_tot_d - holder_out
# nut axis: (nut axis of the hexagon vertex
hex_verx = axis_d
else:
# Taking the minimum lenght, very tight
tot_d = (3*mbolt_head_r + rail_l + estp_d - holder_out
+ estp_pin_d/2.)
hex_verx = axis_w # less space
# Total width is the largest value from:
# - the width(length) of the endstop
# - the rail width: 2 bolt head diameters, and 2 more: 1 diameter
# between, and a radius to the end
tot_w = max(estp_w, 8 * mbolt_head_r)
if h== 0:
tot_h = base_h + mbolt_head_l
else:
tot_h = base_h + mbolt_head_l
if tot_h > h:
logger.debug('h is smaller that it should, taking: ')
logger.debug(str(tot_h))
else:
tot_h = h
self.tot_h = tot_h
self.tot_w = tot_w
self.tot_d = tot_d
if endstop_nut_dist == 0:
endstop_nut_l = kcomp.NUT_D934_L[estp_bolt_d]+TOL
else:
if endstop_nut_dist > tot_h - kcomp.NUT_D934_L[estp_bolt_d]+TOL:
logger.debug('endstop_nut_dist: ' + str(endstop_nut_dist)
+ ' larger than total height - (nut length+tol): '
+ str(tot_h) + ' - '
+ str( kcomp.NUT_D934_L[estp_bolt_d] + TOL))
endstop_nut_l = kcomp.NUT_D934_L[estp_bolt_d]+TOL
else:
endstop_nut_l = tot_h - endstop_nut_dist
# ------------ DISTANCES ON AXIS_D
# ref_d points: fc_axis_h
# 1___2______3_______4__.5............. ref_h = 2
# | :..........: : : |:..... + h
# |__:________:_____:_:_|:.....base_h.: ref_h = 1
# the end it is not on the holder because of -holder_out
# distance from 1 to 2 in axis_d
# vectors from the origin to the points along axis_d:
self.d_o[0] = V0
self.d_o[1] = self.vec_d(2* mbolt_head_r)
self.d_o[2] = self.vec_d(2* mbolt_head_r + rail_l)
self.d_o[3] = self.vec_d((tot_d + holder_out) - (estp_d - estp_bolt_dist))
self.d_o[4] = self.vec_d(tot_d + holder_out)
if estop_2ndbolt_topdist > 0 :
self.d_o[5] = self.vec_d(tot_d + holder_out - estop_2ndbolt_topdist)
else:
self.d_o[5] = self.d_o[3]
# vectors from the origin to the points along axis_w:
self.w_o[0] = V0
self.w_o[1] = self.vec_w(estp_bolt_sep/2.)
self.w_o[2] = self.vec_w(tot_w/2. - 2* mbolt_head_r)
self.w_o[3] = self.vec_w(tot_w/2.)
# vectors from the origin to the points along axis_h:
self.h_o[0] = V0
self.h_o[1] = self.vec_h(tot_h)
# calculates the position of the origin, and keeps it in attribute pos_o
self.set_pos_o()
# TODO: clear this parts when points d_o, w_o, h_o
dis_1_2_d = 2* mbolt_head_r # d_o[1]
dis_1_3_d = dis_1_2_d + rail_l # d_o[2]
#dis_2_3_d = rail_l
dis_1_5_d = tot_d + holder_out # d_o[4]
dis_1_4_d = dis_1_5_d - (estp_d - estp_bolt_dist) # d_o[3]
# distances to the new point, that is the second bolt hole, if exists
if estop_2ndbolt_topdist > 0 :
dis_1_6_d = dis_1_5_d - estop_2ndbolt_topdist
else:
# same as 4: (to avoid errors) it will be the same hole
dis_1_6_d = dis_1_4_d
fc_1_2_d = self.d_o[1]
fc_1_3_d = self.d_o[2]
fc_1_4_d = self.d_o[3]
fc_1_5_d = self.d_o[4]
fc_1_6_d = self.d_o[5]
# vector from the reference point to point 1 on axis_d
if pos_d == 0:
refto_1_d = V0
elif pos_d == 1:
refto_1_d = fc_1_2_d.negative()
elif pos_d == 2:
refto_1_d = fc_1_3_d.negative()
elif pos_d == 3:
refto_1_d = fc_1_4_d.negative()
elif pos_d == 4:
refto_1_d = fc_1_5_d.negative()
elif pos_d == 5:
refto_1_d = fc_1_6_d.negative()
else:
logger.error('wrong reference point')
# ------------ DISTANCES ON AXIS_W
# ref_w points
# fc_axis_w
# _____________________ :
# | ________ | |:
# | (________) ---| 0 |:
# 1 ________ ---| |:-----> fc_axis_d.
# 3 (________) ---| 2 |:
# 4________________|____|:
# distance from 1 to 2 on axis_w
dis_1_2_w = estp_bolt_sep/2.
dis_1_4_w = tot_w/2.
dis_1_3_w = dis_1_4_w - 2* mbolt_head_r
fc_1_2_w = self.w_o[1]
fc_1_3_w = self.w_o[2]
fc_1_4_w = self.w_o[3]
# vector from the reference point to point 1 on axis_w
if pos_w == 0:
refto_1_w = V0
elif pos_w == 1:
refto_1_w = fc_1_2_w.negative()
elif pos_w == 2:
refto_1_w = fc_1_3_w.negative()
elif pos_w == 3:
refto_1_w = fc_1_4_w.negative()
else:
logger.error('wrong reference point')
# ------------ DISTANCES ON AXIS_H
fc_1_2_h = DraftVecUtils.scale(axis_h, tot_h)
fc_2_1_h = fc_1_2_h.negative()
if pos_h == 0:
refto_2_h = self.h_o[1]
elif pos_h == 1:
refto_2_h = V0
else:
logger.error('wrong reference point')
# Situation of the point on d=1, s=1, h=2
# ____________
# /
# * d1_w1_h2
# /____________
# |
#
# this is an absolute position
# super().get_pos_dwh(pos_d,pos_w,pos_h)
d1_w1_h2_pos = self.pos + refto_1_d + refto_1_w + refto_2_h
d1_w1_h1_pos = d1_w1_h2_pos + fc_2_1_h
# draw the box from this point d1 s1 h2
shp_box = fcfun.shp_box_dir(box_w = tot_w,
box_d = tot_d,
box_h = tot_h,
fc_axis_h = axis_h_n,
fc_axis_d = axis_d,
cw = 1, cd = 0, ch = 0,
pos = d1_w1_h2_pos)
shp_box = fcfun.shp_filletchamfer_dir(shp_box, fc_axis = axis_h,
fillet=1,
radius = 2)
holes = []
# holes for the endstop bolts, point: d4 w2 h1
for fc_1_2_wi in [fc_1_2_w, fc_1_2_w.negative()]:
pos_estpbolt = d1_w1_h1_pos + fc_1_4_d + fc_1_2_wi
# hole with the nut hole
shp_estpbolt = fcfun.shp_bolt_dir (
r_shank= (estp_bolt_d+TOL)/2.,
l_bolt = tot_h,
# 1 TOL didnt fit
r_head = (kcomp.NUT_D934_D[estp_bolt_d]+2*TOL)/2.,
l_head = endstop_nut_l,
hex_head = 1,
xtr_head = 1, xtr_shank = 1,
fc_normal = axis_h,
fc_verx1 = hex_verx,
pos = pos_estpbolt)
holes.append(shp_estpbolt)
# it can have a second hole
if estop_2ndbolt_topdist >0:
pos_estp_top_bolt = d1_w1_h1_pos + fc_1_6_d + fc_1_2_wi
# hole with the nut hole
shp_estpbolt = fcfun.shp_bolt_dir (
r_shank= (estp_bolt_d+TOL)/2.,
l_bolt = tot_h,
# 1 TOL didnt fit
r_head = (kcomp.NUT_D934_D[estp_bolt_d]+2*TOL)/2.,
l_head = endstop_nut_l,
hex_head = 1,
xtr_head = 1, xtr_shank = 1,
fc_normal = axis_h,
fc_verx1 = hex_verx,
pos = pos_estp_top_bolt)
holes.append(shp_estpbolt)
# holes for the rails, point d2 w3 h2
for fc_1_3_wi in [fc_1_3_w, fc_1_3_w.negative()]:
#hole for the rails, use the function stadium
rail_pos = d1_w1_h2_pos + fc_1_2_d + fc_1_3_wi
shp_rail_sunk = fcfun.shp_stadium_dir (
length = rail_l,
radius = mbolt_head_r_tol,
height = mbolt_head_l,
fc_axis_l = axis_d,
fc_axis_h = axis_h_n,
ref_l = 2, #at the center of semicircle
ref_s = 1, # symmetrical on the short side
ref_h = 2,
xtr_h = 0,
xtr_nh = 1,
pos = rail_pos)
shp_rail = fcfun.shp_stadium_dir (
length = rail_l,
radius = mbolt_r_tol,
height = tot_h,
fc_axis_l = axis_d,
fc_axis_h = axis_h_n,
ref_l = 2,
ref_s = 1,
ref_h = 2,
xtr_h = 1,
xtr_nh = 0,
pos = rail_pos)
holes.append(shp_rail)
holes.append(shp_rail_sunk)
shp_holes = fcfun.fuseshplist(holes)
shp_holder = shp_box.cut(shp_holes)
self.shp = shp_holder
if wfco == 1:
super().create_fco()
# Need to set first in (0,0,0) and after that set the real placement.
# This enable to do rotations without any issue
self.fco.Placement.Base = FreeCAD.Vector(0,0,0)
self.fco.Placement.Base = self.position
import shp_clss # import my TopoShapes classes
import fc_clss # import my freecad classes
import comps # import my CAD components
import partset
from fcfun import V0, VX, VY, VZ, V0ROT
from fcfun import VXN, VYN, VZN
logging.basicConfig(level=logging.DEBUG)
logger = logging.getLogger(__name__)
axis_punta = VZ
axis_punta_n = DraftVecUtils.scale(axis_punta,-1)
axis_brida = VX
axis_lateral = VY
axis_lateral_n = DraftVecUtils.scale(axis_lateral,-1)
brida_r_out = 20.
brida_r_bolt2cen = 31.5/2.
brida_d_bolt = 5+0.5
brida_h = 6.
union_l = []
cut_l = []
# brida
shp_brida = fcfun.shp_cylhole_bolthole (r_out = brida_r_out , r_in = 0,
h=brida_h,
n_bolt = 4, d_bolt = brida_d_bolt,
def __init__(self,
fc_fro_ax,
fc_top_ax,
base_h = 2,
base_l = 0,
base_w = 0,
bolt_d = 3,
bolt_csunk = 0,
ref = 1,
pos = V0,
extra=1,
wfco = 1,
intol = 0,
name = 'belt_clamp' ):
doc = FreeCAD.ActiveDocument
self.name = name
# if more tolerance is needed in the center
cb_in_w = CB_IW + intol
self.cb_in_w = cb_in_w
cb_wall_w = CB_W - intol/2
self.cb_wall_w = cb_wall_w
# normalize and get the other base vector
nfro_ax = DraftVecUtils.scaleTo(fc_fro_ax,1)
nfro_ax_n = nfro_ax.negative()
ntop_ax = DraftVecUtils.scaleTo(fc_top_ax,1)
ntop_ax_n = ntop_ax.negative()
nsid_ax = nfro_ax.cross(ntop_ax)
clamponly_l = CB_L + CS + 2 * CCYL_R
clamponly_w = max((cb_in_w+2*cb_wall_w), (2*CCYL_R))
bolt2end = 0 # they will change in case they are used
clamp2end = 0
if base_h == 0 and bolt_d == 0:
# No base
base = 0
base_l = 0
else:
base = 1
if bolt_d > 0 :
d_bolt = kcomp.D912[bolt_d]
bolt_shank_r = d_bolt['shank_r_tol']
bolt_head_r = d_bolt['head_r_tol']
bolt_head_l = d_bolt['head_l']
# there are bolt holes, calculate the extra length needed
# from the end to the clamp / cylinder
bolt2end = fcfun.get_bolt_end_sep(bolt_d,hasnut=0)
# bolt space on one side
clamp2end = 2 * bolt2end
base_min_len = clamponly_l + 2 * clamp2end
if base_l < base_min_len:
logger.debug("base_l too short, taking min len %s",
base_min_len)
base_l = base_min_len
else:
clamp2end = (base_l - clamponly_l) /2.
bolt2end = clamp2end / 2.
if bolt_csunk > 0:
# there are countersunk holes for the bolts
if base_h == 0:
# minimum height:
base_h = bolt_csunk + bolt_head_l
else:
# check if there is enough base height
if base_h < bolt_csunk + bolt_head_l:
base_h = bolt_csunk + bolt_head_l
logger.debug("base_h too short,taking height %s",
base_h)
else:
if base_h < self.MIN_BASE_H:
base_h = self.MIN_BASE_H
logger.debug("taking base height %s",
base_h)
else: # No bolt
bolt2end = 0
if base_l < clamponly_l:
if base_l > 0:
logger.debug("base_l too short, Taking min len %s",
clamponly_l)
base_l = clamponly_l
clamp2end = 0
else: #base larger than clamp
clamp2end = (base_l - clamponly_l) /2.
if base_w == 0:
base_w = clamponly_w
elif base_w < clamponly_w:
logger.debug("base_w too short, Taking min width %s",
clamponly_w)
base_w = clamponly_w
###
cencyl2froclamp = CB_L+CS+CCYL_R
#vectors to references:
# from the center of the cylinder to the front clamp
vec_1to2 = DraftVecUtils.scale(nfro_ax,cencyl2froclamp)
vec_2to1 = vec_1to2.negative()
# from the front clamp to the front bolt
vec_2to3 = DraftVecUtils.scale(nfro_ax, bolt2end)
vec_3to2 = vec_2to3.negative()
# Since not always there is a bolt, from the clamp
vec_2to4 = DraftVecUtils.scale(nfro_ax, clamp2end)
vec_4to2 = vec_2to4.negative()
# from the center of the cylinder to the back bolt
vec_5to1 = DraftVecUtils.scale(nfro_ax,CCYL_R) + vec_2to3
vec_1to5 = vec_5to1.negative()
# from the back bolt to the back end
vec_6to1 = DraftVecUtils.scale(nfro_ax,CCYL_R) + vec_2to4
vec_1to6 = vec_6to1.negative()
# default values
vec_tocencyl = V0
vec_tofrontclamp = V0
vec_tofrontbolt = V0
vec_tofrontbase = V0
vec_tobackbolt = V0
vec_tobackbase = V0
if ref==1: #ref on the center of the cylinder
vec_tocencyl = V0
vec_tofrontclamp = vec_1to2
vec_tofrontbolt = vec_1to2 + vec_2to3
vec_tofrontbase = vec_1to2 + vec_2to4
vec_tobackbolt = vec_1to5
vec_tobackbase = vec_1to6
elif ref==2: #ref on the front of the clamps
vec_tocencyl = vec_2to1
vec_tofrontclamp = V0
vec_tofrontbolt = vec_2to3
vec_tofrontbase = vec_2to4
vec_tobackbolt = ve_2to1 + vec_1to5
vec_tobackbase = ve_2to1 + vec_1to6
elif ref == 3:
if clamp2end == 0 or bolt2end == 0:
logger.error('reference on the bolts, there are no bolts')
else:
vec_tocencyl = vec_3to2 + vec_2to1
vec_tofrontclamp = vec_3to2
vec_tofrontbolt = V0
vec_tofrontbase = vec_2to3 #same as 3 to 4
vec_tobackbolt = vec_3to2 + vec_2to1 + vec_1to5
vec_tobackbase = vec_3to2 + vec_2to1 + vec_1to6
elif ref == 4:
if clamp2end == 0:
logger.debug('reference at the end, same as the clamps')
vec_tocencyl = vec_4to2 + vec_2to1
vec_tofrontclamp = vec_4to2
vec_tofrontbolt = vec_3to2 # same as 4 to 3
vec_tofrontbase = V0
vec_tobackbolt = vec_4to2 + vec_2to1 + vec_1to5
vec_tobackbase = vec_4to2 + vec_2to1 + vec_1to6
elif ref == 5:
if clamp2end == 0 or bolt2end == 0:
logger.error('reference on the bolts, there are no bolts')
else:
vec_tocencyl = vec_5to1
vec_tofrontclamp = vec_5to1 + vec_1to2
vec_tofrontbolt = vec_5to1 + vec_1to2 + vec_2to3
vec_tofrontbase = vec_5to1 + vec_1to2 + vec_2to4
vec_tobackbolt = V0
vec_tobackbase = vec_3to2 #5to6: same as 3to2
elif ref == 6:
if clamp2end == 0:
logger.debug('reference at the end, same as the clamps')
vec_tocencyl = vec_6to1
vec_tofrontclamp = vec_6to1 + vec_1to2
vec_tofrontbolt = vec_6to1 + vec_1to2 + vec_2to3
vec_tofrontbase = vec_6to1 + vec_1to2 + vec_2to4
vec_tobackbolt = vec_2to3 # same as 6 to 5
vec_tobackbase = V0
else:
logger.error('reference out of range')
if extra == 0:
extra_pos = V0
else:
extra_pos = DraftVecUtils.scale(ntop_ax, -extra)
pos_extra = pos + extra_pos
base_top_add = DraftVecUtils.scale(ntop_ax, base_h + extra)
# total height of the clamp, including the base
clamp_tot_h = C_H + base_h + extra
# position of the clamp cylinder:
clampcyl_pos = pos_extra + vec_tocencyl
shp_cyl = fcfun.shp_cyl(CCYL_R, clamp_tot_h, ntop_ax, clampcyl_pos)
# position of the clamp blocks, without going to the side axis
clampblock_pos = pos_extra + vec_tofrontclamp
clampblock_side_add = DraftVecUtils.scale(nsid_ax,
(cb_in_w + cb_wall_w)/2.)
clampblock_1_pos = clampblock_pos + clampblock_side_add
clampblock_2_pos = clampblock_pos - clampblock_side_add
shp_clampblock_1 = fcfun.shp_box_dir(box_w = cb_wall_w,
box_d = CB_L,
box_h = clamp_tot_h,
fc_axis_h = ntop_ax,
fc_axis_d = nfro_ax_n,
cw=1, cd=0, ch=0,
pos = clampblock_1_pos)
shp_clampblock_2 = fcfun.shp_box_dir(box_w = cb_wall_w,
box_d = CB_L,
box_h = clamp_tot_h,
fc_axis_h = ntop_ax,
fc_axis_d = nfro_ax_n,
cw=1, cd=0, ch=0,
pos = clampblock_2_pos)
shp_clamp = shp_cyl.multiFuse([shp_clampblock_1, shp_clampblock_2])
#position of the base, we will take it on the point 4 and make it not
# centered
if base == 1:
base_pos = pos_extra + vec_tofrontbase
shp_base = fcfun.shp_box_dir(box_w = base_w,
box_d = base_l,
box_h = base_h + extra,
fc_axis_h = ntop_ax,
fc_axis_d = nfro_ax_n,
cw=1, cd=0, ch=0,
pos = base_pos)
if base_l > clamponly_l: # chamfer
shp_base = fcfun.shp_filletchamfer_dir (shp_base,
fc_axis=ntop_ax,
fillet=1, radius= 2)
# shape of the bolt holes, if there are
if bolt_d > 0:
pos_bolt_front = pos_extra + vec_tofrontbolt + base_top_add
pos_bolt_back = pos_extra + vec_tobackbolt + base_top_add
if bolt_csunk > 0 :
shp_bolt_front = fcfun.shp_bolt_dir(
r_shank = bolt_shank_r,
l_bolt = base_h + extra,
r_head = bolt_head_r,
l_head = bolt_head_l,
support=0,
fc_normal = ntop_ax_n,
pos=pos_bolt_front)
shp_bolt_back = fcfun.shp_bolt_dir(
r_shank = bolt_shank_r,
l_bolt = base_h + extra,
r_head = bolt_head_r,
l_head = bolt_head_l,
support=0,
fc_normal = ntop_ax_n,
pos=pos_bolt_back)
else: # no head, just a cylinder:
shp_bolt_front = fcfun.shp_cylcenxtr (
r = bolt_shank_r,
h = base_h + extra,
normal = ntop_ax_n,
ch = 0,
xtr_top=1, xtr_bot=1,
pos = pos_bolt_front)
shp_bolt_back = fcfun.shp_cylcenxtr (
r = bolt_shank_r,
h = base_h + extra,
normal = ntop_ax_n,
ch = 0,
xtr_top=1, xtr_bot=1,
pos = pos_bolt_back)
# fuse the bolts:
shp_bolts = shp_bolt_front.fuse(shp_bolt_back)
shp_base = shp_base.cut(shp_bolts)
shp_clamp = shp_base.fuse(shp_clamp)
doc.recompute()
shp_clamp = shp_clamp.removeSplitter()
self.shp = shp_clamp
self.wfco = wfco
if wfco == 1:
# a freeCAD object is created
fco_clamp = doc.addObject("Part::Feature", name )
fco_clamp.Shape = shp_clamp
self.fco = fco_clamp
def makeStraightStairsWithLanding(self, obj, edge):
"builds a straight staircase with a landing in the middle"
if obj.NumberOfSteps < 3:
return
import Part, DraftGeomUtils
v = DraftGeomUtils.vec(edge)
if obj.LandingDepth:
reslength = edge.Length - obj.LandingDepth.Value
else:
reslength = edge.Length - obj.Width.Value
vLength = DraftVecUtils.scaleTo(
v,
float(reslength) / (obj.NumberOfSteps - 2))
vLength = Vector(vLength.x, vLength.y, 0)
vWidth = DraftVecUtils.scaleTo(vLength.cross(Vector(0, 0, 1)),
obj.Width.Value)
p1 = edge.Vertexes[0].Point
if round(v.z, Draft.precision()) != 0:
h = v.z
else:
h = obj.Height.Value
hstep = h / obj.NumberOfSteps
landing = int(obj.NumberOfSteps / 2)
if obj.LastSegment:
print("obj.LastSegment is: ")
print(obj.LastSegment.Name)
lastSegmentAbsTop = obj.LastSegment.AbsTop
print("lastSegmentAbsTop is: ")
print(lastSegmentAbsTop)
p1 = Vector(
p1.x, p1.y,
lastSegmentAbsTop.z) # use Last Segment top's z-coordinate
print(p1)
obj.AbsTop = p1.add(Vector(0, 0, h))
p2 = p1.add(
DraftVecUtils.scale(vLength,
landing - 1).add(Vector(0, 0,
landing * hstep)))
if obj.LandingDepth:
p3 = p2.add(DraftVecUtils.scaleTo(vLength, obj.LandingDepth.Value))
else:
p3 = p2.add(DraftVecUtils.scaleTo(vLength, obj.Width.Value))
if obj.Flight == "HalfTurnLeft":
p3r = p2
p4r = p2.add(
DraftVecUtils.scale(
-vLength, obj.NumberOfSteps - (landing + 1)).add(
Vector(0, 0, (obj.NumberOfSteps - landing) * hstep)))
else:
p4 = p3.add(
DraftVecUtils.scale(
vLength, obj.NumberOfSteps - (landing + 1)).add(
Vector(0, 0, (obj.NumberOfSteps - landing) * hstep)))
self.makeStraightStairs(obj,
Part.LineSegment(p1, p2).toShape(), landing)
self.makeStraightLanding(obj,
Part.LineSegment(p2, p3).toShape(), None,
True)
if obj.Flight == "HalfTurnLeft":
self.makeStraightStairs(obj,
Part.LineSegment(p3r, p4r).toShape(),
obj.NumberOfSteps - landing)
else:
self.makeStraightStairs(obj,
Part.LineSegment(p3, p4).toShape(),
obj.NumberOfSteps - landing)