def __init__(self,
nema_size=17,
base_motor_d=6.,
base_d=4.,
base_h=16.,
wall_thick=4.,
motor_thick=4.,
reinf_thick=4.,
motor_min_h=10.,
motor_max_h=20.,
motor_xtr_space=2.,
bolt_wall_d=4.,
bolt1_wall_d=5.,
bolt_wall_sep=30.,
chmf_r=1.,
opt_sides=1,
axis_h=VZ,
axis_d=VX,
axis_w=None,
pos_h=1,
pos_d=3,
pos_w=0,
pos=V0,
name=''):
if axis_w is None or axis_w == V0:
axis_w = axis_h.cross(axis_d) #vector product
default_name = 'base'
self.set_name(name, default_name, change=0)
Obj3D.__init__(self, axis_d, axis_w, axis_h, self.name)
# save the arguments as attributes:
frame = inspect.currentframe()
args, _, _, values = inspect.getargvalues(frame)
for i in args:
if not hasattr(self, i):
setattr(self, i, values[i])
self.pos = FreeCAD.Vector(0, 0, 0)
self.position = pos
# normal axes to print without support
self.prnt_ax = self.axis_h
self.motor_w = kcomp.NEMA_W[nema_size]
self.motor_bolt_sep = kcomp.NEMA_BOLT_SEP[nema_size]
self.motor_bolt_d = kcomp.NEMA_BOLT_D[nema_size]
self.base_motor_h = motor_thick + motor_max_h + 2 * bolt_wall_d + 30.
# calculation of the bolt to hold the base to the profile
self.boltshank_r_tol = kcomp.D912[bolt1_wall_d]['shank_r_tol']
self.bolthead_r = kcomp.D912[bolt1_wall_d]['head_l']
self.bolthead_r_tol = kcomp.D912[bolt1_wall_d]['head_r']
self.bolthead_l = kcomp.D912[bolt1_wall_d]['head_l']
# calculation of the bolt wall d
self.boltwallshank_r_tol = kcomp.D912[bolt_wall_d]['shank_r_tol']
self.boltwallhead_l = kcomp.D912[bolt_wall_d]['head_l']
self.boltwallhead_r = kcomp.D912[bolt_wall_d]['head_r']
self.washer_thick = kcomp.WASH_D125_T[bolt_wall_d]
# calculation of the bolt wall separation
self.max_bolt_wall_sep = self.motor_w - 2 * self.boltwallhead_r
if bolt_wall_sep == 0:
self.bolt_wall_sep = self.max_bolt_wall_sep
elif bolt_wall_sep > self.max_bolt_wall_sep:
logger.debug('bolt separation too large:' + str(bolt_wall_sep))
self.bolt_wall_sep = self.max_bolt_wall_sep
logger.debug('taking largest value:' + str(self.bolt_wall_sep))
elif bolt_wall_sep < 4 * self.boltwallhead_r:
logger.debug('bolt separation too short:' + str(bolt_wall_sep))
self.bolt_wall_sep = self.self.max_bolt_wall_sep
logger.debug('taking smallest value:' + str(self.bolt_wall_sep))
# distance from the motor to the inner wall (in axis_d)
self.motor_inwall_space = motor_xtr_space + self.boltwallhead_l + self.washer_thick
# making the big box that will contain everything and will be cut
self.tot_h = wall_thick + base_h + self.base_motor_h
self.tot_d = base_d + 2 * self.bolthead_r
if opt_sides == 0:
self.tot_w = 2 * reinf_thick + self.motor_w + 2 * motor_xtr_space
else:
self.tot_w = 2 * reinf_thick + self.motor_w + 2 * motor_xtr_space + 4 * self.bolthead_r_tol + 8.
# definition of which axis is symmetrical
self.h0_cen = 0
self.w0_cen = 1 # symmetrical
self.d0_cen = 0
# vectors from the origin to the points along axis_h
self.h_o[0] = V0
self.h_o[1] = self.vec_h(wall_thick)
self.h_o[2] = self.vec_h(wall_thick + 2 * self.bolthead_r)
self.h_o[3] = self.vec_h(wall_thick + base_h)
self.h_o[4] = self.vec_h(wall_thick + base_h + motor_thick)
self.h_o[5] = self.vec_h(wall_thick + base_h + motor_thick +
motor_min_h)
self.h_o[6] = self.vec_h(wall_thick + base_h + motor_thick)
self.h_o[7] = self.vec_h(wall_thick + base_h + motor_thick +
(motor_min_h + motor_max_h) / 4.)
self.h_o[8] = self.vec_h(wall_thick + base_h + motor_thick + 2 *
(motor_min_h + motor_max_h) / 4.)
self.h_o[9] = self.vec_h(wall_thick + base_h + motor_thick + 3 *
(motor_min_h + motor_max_h) / 4.)
self.h_o[10] = self.vec_h(wall_thick + base_h + motor_thick +
(motor_min_h + motor_max_h))
self.h_o[11] = self.vec_h(wall_thick + base_h + motor_thick + 5 *
(motor_min_h + motor_max_h) / 4.)
self.h_o[12] = self.vec_h(wall_thick + base_h + motor_thick +
motor_max_h)
self.h_o[13] = self.vec_h(self.tot_h)
# position along axis_d
self.d_o[0] = V0
self.d_o[1] = self.vec_d(base_d)
self.d_o[2] = self.vec_d(base_motor_d)
self.d_o[3] = self.vec_d(self.tot_d / 2.)
self.d_o[4] = self.vec_d(base_d + self.bolthead_r_tol)
self.d_o[5] = self.vec_d(self.tot_d)
# vectors from the origin to the points along axis_w
if opt_sides == 0:
self.w_o[0] = V0
self.w_o[1] = self.vec_w(-self.bolt_wall_sep / 2.)
self.w_o[2] = self.vec_w(-self.motor_bolt_sep / 2.)
self.w_o[3] = self.vec_w(-self.tot_w / 2.)
else:
self.w_o[0] = V0
self.w_o[1] = self.vec_w(-self.bolt_wall_sep / 2.)
self.w_o[2] = self.vec_w(-self.motor_bolt_sep / 2.)
self.w_o[3] = self.vec_w(
-(2 * reinf_thick + self.motor_w + 2 * motor_xtr_space) / 2.)
self.w_o[4] = self.vec_w(
-(2 * reinf_thick + self.motor_w + 2 * motor_xtr_space +
2 * self.bolthead_r_tol + 4.) / 2.)
self.w_o[5] = self.vec_w(-self.tot_w / 2.)
# calculates the position of the origin, and keeps it in attribute pos_o
self.set_pos_o()
# make the whole box
if opt_sides == 0:
shp_box = fcfun.shp_box_dir(box_w=self.tot_w,
box_d=self.tot_d,
box_h=self.tot_h,
fc_axis_h=self.axis_h,
fc_axis_d=self.axis_d,
cw=1,
cd=0,
ch=0,
pos=self.pos_o)
super().add_child(shp_box, 1, 'shp_box')
shp_box_int = fcfun.shp_box_dir(box_w=self.tot_w,
box_d=self.tot_d,
box_h=base_h,
fc_axis_h=self.axis_h,
fc_axis_d=self.axis_d,
cw=1,
cd=0,
ch=0,
pos=self.get_pos_dwh(1, 0, 1))
super().add_child(shp_box_int, 0, 'shp_box_int')
shp_box_ext = fcfun.shp_box_dir(box_w=self.tot_w,
box_d=self.tot_d,
box_h=self.base_motor_h,
fc_axis_h=self.axis_h,
fc_axis_d=self.axis_d,
cw=1,
cd=0,
ch=0,
pos=self.get_pos_dwh(2, 0, 3))
super().add_child(shp_box_ext, 0, 'shp_box_ext')
shp_box_init = fcfun.shp_box_dir(box_w=self.tot_w +
2 * self.bolthead_r_tol,
box_d=self.tot_d,
box_h=wall_thick,
fc_axis_h=self.axis_h,
fc_axis_d=self.axis_d,
cw=1,
cd=0,
ch=0,
pos=self.get_pos_dwh(5, 0, 0))
super().add_child(shp_box_init, 0, 'shp_box_init')
# holes to hold the profile
shp_hole1 = fcfun.shp_cylcenxtr(r=self.boltshank_r_tol,
h=wall_thick,
normal=self.axis_h,
ch=0,
xtr_top=1,
xtr_bot=1,
pos=self.get_pos_dwh(4, -2, 0))
super().add_child(shp_hole1, 0, 'shp_hole1')
shp_hole2 = fcfun.shp_cylcenxtr(r=self.boltshank_r_tol,
h=wall_thick,
normal=self.axis_h,
ch=0,
xtr_top=1,
xtr_bot=1,
pos=self.get_pos_dwh(4, 2, 0))
super().add_child(shp_hole2, 0, 'shp_hole2')
# holes to hold the Nema Motor Holder
shp_cen_bolt1 = fcfun.shp_bolt_dir(
r_shank=self.boltwallshank_r_tol,
l_bolt=base_motor_d,
r_head=self.boltwallhead_r,
l_head=self.boltwallhead_l,
xtr_head=1,
xtr_shank=1,
fc_normal=self.axis_d,
pos_n=0,
pos=self.get_pos_dwh(0, -1, 6))
super().add_child(shp_cen_bolt1, 0, 'shp_cen_bolt1')
shp_cen_bolt2 = fcfun.shp_bolt_dir(
r_shank=self.boltwallshank_r_tol,
l_bolt=base_motor_d,
r_head=self.boltwallhead_r,
l_head=self.boltwallhead_l,
xtr_head=1,
xtr_shank=1,
fc_normal=self.axis_d,
pos_n=0,
pos=self.get_pos_dwh(0, 1, 6))
super().add_child(shp_cen_bolt2, 0, 'shp_cen_bolt2')
shp_cen_bolt3 = fcfun.shp_bolt_dir(
r_shank=self.boltwallshank_r_tol,
l_bolt=base_motor_d,
r_head=self.boltwallhead_r,
l_head=self.boltwallhead_l,
xtr_head=1,
xtr_shank=1,
fc_normal=self.axis_d,
pos_n=0,
pos=self.get_pos_dwh(0, -1, 7))
super().add_child(shp_cen_bolt3, 0, 'shp_cen_bolt3')
shp_cen_bolt4 = fcfun.shp_bolt_dir(
r_shank=self.boltwallshank_r_tol,
l_bolt=base_motor_d,
r_head=self.boltwallhead_r,
l_head=self.boltwallhead_l,
xtr_head=1,
xtr_shank=1,
fc_normal=self.axis_d,
pos_n=0,
pos=self.get_pos_dwh(0, 1, 7))
super().add_child(shp_cen_bolt4, 0, 'shp_cen_bolt4')
shp_cen_bolt5 = fcfun.shp_bolt_dir(
r_shank=self.boltwallshank_r_tol,
l_bolt=base_motor_d,
r_head=self.boltwallhead_r,
l_head=self.boltwallhead_l,
xtr_head=1,
xtr_shank=1,
fc_normal=self.axis_d,
pos_n=0,
pos=self.get_pos_dwh(0, -1, 8))
super().add_child(shp_cen_bolt5, 0, 'shp_cen_bolt5')
shp_cen_bolt6 = fcfun.shp_bolt_dir(
r_shank=self.boltwallshank_r_tol,
l_bolt=base_motor_d,
r_head=self.boltwallhead_r,
l_head=self.boltwallhead_l,
xtr_head=1,
xtr_shank=1,
fc_normal=self.axis_d,
pos_n=0,
pos=self.get_pos_dwh(0, 1, 8))
super().add_child(shp_cen_bolt6, 0, 'shp_cen_bolt6')
shp_cen_bolt7 = fcfun.shp_bolt_dir(
r_shank=self.boltwallshank_r_tol,
l_bolt=base_motor_d,
r_head=self.boltwallhead_r,
l_head=self.boltwallhead_l,
xtr_head=1,
xtr_shank=1,
fc_normal=self.axis_d,
pos_n=0,
pos=self.get_pos_dwh(0, -1, 9))
super().add_child(shp_cen_bolt7, 0, 'shp_cen_bolt7')
shp_cen_bolt8 = fcfun.shp_bolt_dir(
r_shank=self.boltwallshank_r_tol,
l_bolt=base_motor_d,
r_head=self.boltwallhead_r,
l_head=self.boltwallhead_l,
xtr_head=1,
xtr_shank=1,
fc_normal=self.axis_d,
pos_n=0,
pos=self.get_pos_dwh(0, 1, 9))
super().add_child(shp_cen_bolt8, 0, 'shp_cen_bolt8')
shp_cen_bolt9 = fcfun.shp_bolt_dir(
r_shank=self.boltwallshank_r_tol,
l_bolt=base_motor_d,
r_head=self.boltwallhead_r,
l_head=self.boltwallhead_l,
xtr_head=1,
xtr_shank=1,
fc_normal=self.axis_d,
pos_n=0,
pos=self.get_pos_dwh(0, -1, 10))
super().add_child(shp_cen_bolt9, 0, 'shp_cen_bolt9')
shp_cen_bolt10 = fcfun.shp_bolt_dir(
r_shank=self.boltwallshank_r_tol,
l_bolt=base_motor_d,
r_head=self.boltwallhead_r,
l_head=self.boltwallhead_l,
xtr_head=1,
xtr_shank=1,
fc_normal=self.axis_d,
pos_n=0,
pos=self.get_pos_dwh(0, 1, 10))
super().add_child(shp_cen_bolt10, 0, 'shp_cen_bolt10')
shp_cen_bolt11 = fcfun.shp_bolt_dir(
r_shank=self.boltwallshank_r_tol,
l_bolt=base_motor_d,
r_head=self.boltwallhead_r,
l_head=self.boltwallhead_l,
xtr_head=1,
xtr_shank=1,
fc_normal=self.axis_d,
pos_n=0,
pos=self.get_pos_dwh(0, -1, 11))
super().add_child(shp_cen_bolt11, 0, 'shp_cen_bolt11')
shp_cen_bolt12 = fcfun.shp_bolt_dir(
r_shank=self.boltwallshank_r_tol,
l_bolt=base_motor_d,
r_head=self.boltwallhead_r,
l_head=self.boltwallhead_l,
xtr_head=1,
xtr_shank=1,
fc_normal=self.axis_d,
pos_n=0,
pos=self.get_pos_dwh(0, 1, 11))
super().add_child(shp_cen_bolt12, 0, 'shp_cen_bolt12')
else:
shp_box = fcfun.shp_box_dir(box_w=self.tot_w,
box_d=self.tot_d,
box_h=self.tot_h,
fc_axis_h=self.axis_h,
fc_axis_d=self.axis_d,
cw=1,
cd=0,
ch=0,
pos=self.pos_o)
super().add_child(shp_box, 1, 'shp_box')
shp_box_int = fcfun.shp_box_dir(box_w=self.tot_w,
box_d=self.tot_d,
box_h=base_h,
fc_axis_h=self.axis_h,
fc_axis_d=self.axis_d,
cw=1,
cd=0,
ch=0,
pos=self.get_pos_dwh(1, 0, 1))
super().add_child(shp_box_int, 0, 'shp_box_int')
shp_box_ext = fcfun.shp_box_dir(box_w=self.tot_w,
box_d=self.tot_d,
box_h=self.base_motor_h,
fc_axis_h=self.axis_h,
fc_axis_d=self.axis_d,
cw=1,
cd=0,
ch=0,
pos=self.get_pos_dwh(2, 0, 3))
super().add_child(shp_box_ext, 0, 'shp_box_ext')
shp_box_init = fcfun.shp_box_dir(box_w=self.tot_w,
box_d=self.tot_d,
box_h=wall_thick,
fc_axis_h=self.axis_h,
fc_axis_d=self.axis_d,
cw=1,
cd=0,
ch=0,
pos=self.get_pos_dwh(5, 0, 0))
super().add_child(shp_box_init, 0, 'shp_box_init')
shp_box_lat1 = fcfun.shp_box_dir(box_w=2 * +self.bolthead_r_tol +
4.,
box_d=self.tot_d,
box_h=self.tot_h,
fc_axis_h=self.axis_h,
fc_axis_d=self.axis_d,
cw=1,
cd=0,
ch=0,
pos=self.get_pos_dwh(0, -4, 1))
super().add_child(shp_box_lat1, 0, 'shp_box_lat1')
shp_box_lat2 = fcfun.shp_box_dir(box_w=2 * +self.bolthead_r_tol +
4.,
box_d=self.tot_d,
box_h=self.tot_h,
fc_axis_h=self.axis_h,
fc_axis_d=self.axis_d,
cw=1,
cd=0,
ch=0,
pos=self.get_pos_dwh(0, 4, 1))
super().add_child(shp_box_lat2, 0, 'shp_box_lat2')
# holes to hold the profile # self.get_d_ab(5,4).x
shp_hole1 = fcfun.shp_stadium_dir(
self.tot_d - 2 * ((self.d_o[5] - self.d_o[4]).Length),
radius=self.boltshank_r_tol,
height=wall_thick,
fc_axis_h=self.axis_h,
fc_axis_l=self.axis_d.negative(),
fc_axis_s=V0,
ref_l=2,
ref_s=1,
ref_h=2,
xtr_nh=1,
pos=self.get_pos_dwh(4, -4, 0))
super().add_child(shp_hole1, 0, 'shp_hole1')
shp_hole2 = fcfun.shp_stadium_dir(
self.tot_d - 2 * ((self.d_o[5] - self.d_o[4]).Length),
radius=self.boltshank_r_tol,
height=wall_thick,
fc_axis_h=self.axis_h,
fc_axis_l=self.axis_d.negative(),
fc_axis_s=V0,
ref_l=2,
ref_s=1,
ref_h=2,
xtr_nh=1,
pos=self.get_pos_dwh(4, 4, 0))
super().add_child(shp_hole2, 0, 'shp_hole2')
shp_hole3 = fcfun.shp_cylcenxtr(r=self.boltshank_r_tol,
h=wall_thick,
normal=self.axis_h,
ch=0,
xtr_top=1,
xtr_bot=1,
pos=self.get_pos_dwh(4, -2, 0))
super().add_child(shp_hole3, 0, 'shp_hole3')
shp_hole4 = fcfun.shp_cylcenxtr(r=self.boltshank_r_tol,
h=wall_thick,
normal=self.axis_h,
ch=0,
xtr_top=1,
xtr_bot=1,
pos=self.get_pos_dwh(4, 2, 0))
super().add_child(shp_hole4, 0, 'shp_hole4')
# holes to hold the Nema Motor Holder
shp_cen_bolt1 = fcfun.shp_bolt_dir(
r_shank=self.boltwallshank_r_tol,
l_bolt=base_motor_d,
r_head=self.boltwallhead_r,
l_head=self.boltwallhead_l,
xtr_head=1,
xtr_shank=1,
fc_normal=self.axis_d,
pos_n=0,
pos=self.get_pos_dwh(0, -1, 6))
super().add_child(shp_cen_bolt1, 0, 'shp_cen_bolt1')
shp_cen_bolt2 = fcfun.shp_bolt_dir(
r_shank=self.boltwallshank_r_tol,
l_bolt=base_motor_d,
r_head=self.boltwallhead_r,
l_head=self.boltwallhead_l,
xtr_head=1,
xtr_shank=1,
fc_normal=self.axis_d,
pos_n=0,
pos=self.get_pos_dwh(0, 1, 6))
super().add_child(shp_cen_bolt2, 0, 'shp_cen_bolt2')
shp_cen_bolt3 = fcfun.shp_bolt_dir(
r_shank=self.boltwallshank_r_tol,
l_bolt=base_motor_d,
r_head=self.boltwallhead_r,
l_head=self.boltwallhead_l,
xtr_head=1,
xtr_shank=1,
fc_normal=self.axis_d,
pos_n=0,
pos=self.get_pos_dwh(0, -1, 7))
super().add_child(shp_cen_bolt3, 0, 'shp_cen_bolt3')
shp_cen_bolt4 = fcfun.shp_bolt_dir(
r_shank=self.boltwallshank_r_tol,
l_bolt=base_motor_d,
r_head=self.boltwallhead_r,
l_head=self.boltwallhead_l,
xtr_head=1,
xtr_shank=1,
fc_normal=self.axis_d,
pos_n=0,
pos=self.get_pos_dwh(0, 1, 7))
super().add_child(shp_cen_bolt4, 0, 'shp_cen_bolt4')
shp_cen_bolt5 = fcfun.shp_bolt_dir(
r_shank=self.boltwallshank_r_tol,
l_bolt=base_motor_d,
r_head=self.boltwallhead_r,
l_head=self.boltwallhead_l,
xtr_head=1,
xtr_shank=1,
fc_normal=self.axis_d,
pos_n=0,
pos=self.get_pos_dwh(0, -1, 8))
super().add_child(shp_cen_bolt5, 0, 'shp_cen_bolt5')
shp_cen_bolt6 = fcfun.shp_bolt_dir(
r_shank=self.boltwallshank_r_tol,
l_bolt=base_motor_d,
r_head=self.boltwallhead_r,
l_head=self.boltwallhead_l,
xtr_head=1,
xtr_shank=1,
fc_normal=self.axis_d,
pos_n=0,
pos=self.get_pos_dwh(0, 1, 8))
super().add_child(shp_cen_bolt6, 0, 'shp_cen_bolt6')
shp_cen_bolt7 = fcfun.shp_bolt_dir(
r_shank=self.boltwallshank_r_tol,
l_bolt=base_motor_d,
r_head=self.boltwallhead_r,
l_head=self.boltwallhead_l,
xtr_head=1,
xtr_shank=1,
fc_normal=self.axis_d,
pos_n=0,
pos=self.get_pos_dwh(0, -1, 9))
super().add_child(shp_cen_bolt7, 0, 'shp_cen_bolt7')
shp_cen_bolt8 = fcfun.shp_bolt_dir(
r_shank=self.boltwallshank_r_tol,
l_bolt=base_motor_d,
r_head=self.boltwallhead_r,
l_head=self.boltwallhead_l,
xtr_head=1,
xtr_shank=1,
fc_normal=self.axis_d,
pos_n=0,
pos=self.get_pos_dwh(0, 1, 9))
super().add_child(shp_cen_bolt8, 0, 'shp_cen_bolt8')
shp_cen_bolt9 = fcfun.shp_bolt_dir(
r_shank=self.boltwallshank_r_tol,
l_bolt=base_motor_d,
r_head=self.boltwallhead_r,
l_head=self.boltwallhead_l,
xtr_head=1,
xtr_shank=1,
fc_normal=self.axis_d,
pos_n=0,
pos=self.get_pos_dwh(0, -1, 10))
super().add_child(shp_cen_bolt9, 0, 'shp_cen_bolt9')
shp_cen_bolt10 = fcfun.shp_bolt_dir(
r_shank=self.boltwallshank_r_tol,
l_bolt=base_motor_d,
r_head=self.boltwallhead_r,
l_head=self.boltwallhead_l,
xtr_head=1,
xtr_shank=1,
fc_normal=self.axis_d,
pos_n=0,
pos=self.get_pos_dwh(0, 1, 10))
super().add_child(shp_cen_bolt10, 0, 'shp_cen_bolt10')
shp_cen_bolt11 = fcfun.shp_bolt_dir(
r_shank=self.boltwallshank_r_tol,
l_bolt=base_motor_d,
r_head=self.boltwallhead_r,
l_head=self.boltwallhead_l,
xtr_head=1,
xtr_shank=1,
fc_normal=self.axis_d,
pos_n=0,
pos=self.get_pos_dwh(0, -1, 11))
super().add_child(shp_cen_bolt11, 0, 'shp_cen_bolt11')
shp_cen_bolt12 = fcfun.shp_bolt_dir(
r_shank=self.boltwallshank_r_tol,
l_bolt=base_motor_d,
r_head=self.boltwallhead_r,
l_head=self.boltwallhead_l,
xtr_head=1,
xtr_shank=1,
fc_normal=self.axis_d,
pos_n=0,
pos=self.get_pos_dwh(0, 1, 11))
super().add_child(shp_cen_bolt12, 0, 'shp_cen_bolt12')
super().make_parent(name)
chmf_reinf_r = min(base_motor_d - base_d, base_h)
self.shp = fcfun.shp_filletchamfer_dirpt(self.shp,
self.axis_w,
fc_pt=self.get_pos_dwh(
2, 0, 3),
fillet=0,
radius=(chmf_reinf_r - TOL))
if opt_sides == 0:
for pt_w in (-3, 3):
for pt_h in (0, 13):
self.shp = fcfun.shp_filletchamfer_dirpt(
self.shp,
self.axis_d,
fc_pt=self.get_pos_dwh(0, pt_w, pt_h),
fillet=1,
radius=chmf_r)
self.shp = fcfun.shp_filletchamfer_dirpt(
self.shp,
self.axis_d,
fc_pt=self.get_pos_dwh(5, pt_w, 1),
fillet=1,
radius=chmf_r)
else:
for pt_w in (-5, 5):
for pt_h in (0, 1):
self.shp = fcfun.shp_filletchamfer_dirpt(
self.shp,
self.axis_d,
fc_pt=self.get_pos_dwh(0, pt_w, pt_h),
fillet=1,
radius=chmf_r)
for pt_w in (-3, 3):
for pt_h in (1, 13):
self.shp = fcfun.shp_filletchamfer_dirpt(
self.shp,
self.axis_d,
fc_pt=self.get_pos_dwh(0, pt_w, pt_h),
fillet=1,
radius=chmf_r)
fuse = []
fuse.append(self.shp)
shp_box_ref = fcfun.shp_box_dir(box_w=2 * self.bolthead_r,
box_d=2 * self.bolthead_r,
box_h=2 * self.bolthead_r,
fc_axis_w=self.axis_w,
fc_axis_h=self.axis_h,
fc_axis_d=self.axis_d,
cw=1,
cd=0,
ch=0,
pos=self.get_pos_dwh(1, 0, 1))
shp_box_ref = fcfun.shp_filletchamfer_dirpt(
shp_box_ref,
self.axis_w,
fc_pt=self.get_pos_dwh(5, 0, 2),
fillet=0,
radius=2 * self.bolthead_r - TOL)
fuse.append(shp_box_ref)
shp_final = fcfun.fuseshplist(fuse)
self.shp = shp_final
# Then the Part
super().create_fco(name)
self.fco.Placement.Base = FreeCAD.Vector(0, 0, 0)
self.fco.Placement.Base = self.position
def __init__(
self,
filter_l=60.,
filter_w=25.,
filter_t=2.5,
base_h=6.,
hold_d=10.,
filt_supp_in=2.,
filt_rim=3.,
filt_cen_d=0,
fillet_r=1.,
# linear guides SEBLV16 y SEBS15, y MGN12H:
boltcol1_dist=20 / 2.,
boltcol2_dist=12.5, #thorlabs breadboard distance
boltcol3_dist=25,
boltrow1_h=0,
boltrow1_2_dist=12.5,
# linear guide MGN12H
boltrow1_3_dist=20.,
# linear guide SEBLV16 and SEBS15
boltrow1_4_dist=25.,
bolt_cen_mtr=4,
bolt_linguide_mtr=3, # linear guide bolts
beltclamp_t=3., #2.8,
beltclamp_l=12.,
beltclamp_h=8.,
clamp_post_dist=4.,
sm_beltpost_r=1.,
tol=kcomp.TOL,
axis_d=VX,
axis_w=VY,
axis_h=VZ,
pos_d=0,
pos_w=0,
pos_h=0,
pos=V0):
shp_clss.Obj3D.__init__(self, axis_d, axis_w, axis_h)
# save the arguments as attributes:
frame = inspect.currentframe()
args, _, _, values = inspect.getargvalues(frame)
for i in args:
if not hasattr(self, i):
setattr(self, i, values[i])
# normal axes to print without support
self.prnt_ax = self.axis_h
# calculation of the dimensions:
# hole for the filter, including tolerances:
# Note that now the dimensions width and length are changed.
# to depth and width
# they are relative to the holder, not to the filter
# no need to have the tolerances here:
self.filt_hole_d = filter_w # + tol # depth
self.filt_hole_w = filter_l # + tol # width in holder axis
self.filt_hole_h = filter_t # + tol/2. # 0.5 tolerance for height
# The hole under the filter to let the light go through
# and big enough to hold the filter
# we could take filter_hole dimensions or filter dimensiones
# just the tolerance difference
self.filt_supp_d = self.filt_hole_d - 2 * filt_supp_in
self.filt_supp_w = self.filt_hole_w - 2 * filt_supp_in
# look for the largest bolt head in the first row:
# dictionary of the center bolt and 2nd and 3rd column
self.bolt_cen_dict = kcomp.D912[bolt_cen_mtr]
self.bolt_cen_head_r_tol = self.bolt_cen_dict['head_r_tol']
self.bolt_cen_r_tol = self.bolt_cen_dict['shank_r_tol']
self.bolt_cen_head_l_tol = self.bolt_cen_dict['head_l_tol']
# dictionary of the 1st column bolts (for the linear guide)
self.bolt_linguide_dict = kcomp.D912[bolt_linguide_mtr]
self.bolt_linguide_head_r_tol = self.bolt_linguide_dict['head_r_tol']
self.bolt_linguide_r_tol = self.bolt_linguide_dict['shank_r_tol']
self.bolt_linguide_head_l_tol = self.bolt_linguide_dict['head_l_tol']
max_row1_head_r_tol = max(self.bolt_linguide_head_r_tol,
self.bolt_cen_head_r_tol)
if boltrow1_h == 0:
self.boltrow1_h = 2 * max_row1_head_r_tol
elif boltrow1_h < 2 * max_row1_head_r_tol:
self.boltrow1_h = 2 * max_row1_head_r_tol
msg1 = 'boltrow1_h smaller than bolt head diameter'
msg2 = 'boltrow1_h will be bolt head diameter'
logger.warning(msg1 + msg2 + str(self.boltrow1_h))
# else # it will be as it is
self.hold_h = (base_h + self.boltrow1_h + boltrow1_4_dist +
2 * self.bolt_linguide_head_r_tol)
self.tot_h = self.hold_h + beltclamp_h
self.beltclamp_blk_t = (hold_d - beltclamp_t) / 2.
#self.clamp2cenpost = clamp_post_dist + s_beltclamp_r_sm
# the large radius of the belt post
self.lr_beltpost_r = (hold_d - 3) / 2.
min_filt_cen_d = hold_d + filt_rim + filter_w / 2.
if filt_cen_d == 0:
filt_cen_d = hold_d + filt_rim + filter_w / 2.
elif filt_cen_d < min_filt_cen_d:
filt_cen_d = hold_d + filt_rim + filter_w / 2.
msg = 'filt_cen_d is smaller than needed, taking: '
logger.warning(msg + str(filt_cen_d))
self.filt_cen_d = filt_cen_d
self.tot_d = self.filt_cen_d + filter_w / 2. + filt_rim
# find out if the max width if given by the filter or the holder
base_w = filter_l + 2 * filt_rim
hold_w = 2 * boltcol3_dist + 4 * self.bolt_cen_head_r_tol
self.tot_w = max(base_w, hold_w)
self.beltpost_l = (3 * self.lr_beltpost_r) + sm_beltpost_r
self.clamp_lrbeltpostcen_dist = (self.beltpost_l - self.lr_beltpost_r +
self.clamp_post_dist)
self.d0_cen = 0
self.w0_cen = 1 # symmetrical
self.h0_cen = 0
self.d_o[0] = V0
self.d_o[1] = self.vec_d(self.beltclamp_blk_t)
self.d_o[2] = self.vec_d(hold_d / 2.)
self.d_o[3] = self.vec_d(hold_d - self.beltclamp_blk_t)
# at the beginning of the bolt head hole for the central bolt
self.d_o[4] = self.vec_d(hold_d - self.bolt_cen_head_l_tol)
self.d_o[5] = self.vec_d(hold_d - self.bolt_linguide_head_l_tol)
self.d_o[6] = self.vec_d(hold_d)
# at the beginning of the hole of the porta (no tolerance):
self.d_o[7] = self.vec_d(self.filt_cen_d - filter_w / 2.)
# inner side of porta thruhole
self.d_o[8] = self.d_o[7] + self.vec_d(filt_supp_in)
# at the center of the porta:
self.d_o[9] = self.vec_d(self.filt_cen_d)
# outer side of porta thruhole
self.d_o[10] = self.vec_d(self.filt_cen_d + filter_w / 2. -
filt_supp_in)
# at the end of the hole of the porta (no tolerance):
self.d_o[11] = self.vec_d(self.filt_cen_d + filter_w / 2.)
self.d_o[12] = self.vec_d(self.tot_d)
# these are negative because actually the pos_w indicates a negative
# position along axis_w
self.w_o[0] = V0
#1: at the first bolt column
self.w_o[1] = self.vec_w(-boltcol1_dist)
#2: at the second bolt column
self.w_o[2] = self.vec_w(-boltcol2_dist)
#3: at the third bolt column
self.w_o[3] = self.vec_w(-boltcol3_dist)
#7: at the end of the piece
self.w_o[7] = self.vec_w(-self.tot_w / 2.)
#6: at the inner side of the clamp rails
# add belt_clamp because w_o are negative
self.w_o[6] = self.w_o[7] + self.vec_w(beltclamp_l)
#5: at the outer side of the clamp post (smaller circle)
self.w_o[5] = self.w_o[6] + self.vec_w(clamp_post_dist)
#4: at the inner side of the clamp post (larger circle)
self.w_o[4] = self.w_o[5] + self.vec_w(self.beltpost_l)
#0: at the bottom (base)
self.h_o[0] = V0
#1: at the base for the porta
self.h_o[1] = self.vec_h(base_h - self.filt_hole_h)
#2: at the top of the base
self.h_o[2] = self.vec_h(base_h)
#3: first row of bolts
self.h_o[3] = self.vec_h(base_h + self.boltrow1_h)
#4: second row of bolts
self.h_o[4] = self.h_o[3] + self.vec_h(boltrow1_2_dist)
#5: third row of bolts, taking self.h_o[3]
self.h_o[5] = self.h_o[3] + self.vec_h(boltrow1_3_dist)
#6: 4th row of bolts
self.h_o[6] = self.h_o[3] + self.vec_h(boltrow1_4_dist)
#7: at the base of the belt clamp
self.h_o[7] = self.vec_h(self.hold_h)
#8: at the middle of the belt clamp
self.h_o[8] = self.vec_h(self.hold_h + self.beltclamp_h / 2.)
#9: at the top of the piece
self.h_o[9] = self.vec_h(self.tot_h)
# calculates the position of the origin, and keeps it in attribute pos_o
self.set_pos_o()
# -------- building of the piece
# the base
shp_base = fcfun.shp_box_dir(box_w=self.tot_w,
box_d=self.tot_d,
box_h=base_h,
fc_axis_w=self.axis_w,
fc_axis_d=self.axis_d,
fc_axis_h=self.axis_h,
cw=1,
cd=0,
ch=0,
pos=self.pos_o)
shp_base = fcfun.shp_filletchamfer_dir(shp_base,
self.axis_h,
fillet=1,
radius=fillet_r)
shp_base = shp_base.removeSplitter()
# the holder to attach to a linear guide
shp_holder = fcfun.shp_boxdir_fillchmfplane(
box_w=self.tot_w,
box_d=hold_d,
box_h=self.hold_h,
axis_d=self.axis_d,
axis_h=self.axis_h,
cw=1,
cd=0,
ch=0,
fillet=1,
radius=fillet_r,
plane_fill=self.axis_d.negative(),
both_planes=0,
edge_dir=self.axis_h,
pos=self.pos_o)
#shp_holder = fcfun.shp_box_dir (box_w = self.tot_w,
#box_d = hold_d,
#box_h = self.hold_h,
#fc_axis_w = self.axis_w,
#fc_axis_d = self.axis_d,
#fc_axis_h = self.axis_h,
#cw = 1, cd = 0, ch = 1,
#pos = self.pos_o)
#shp_base = fcfun.shp_filletchamfer_dir (shp_base, self.axis_h,
#fillet = 1, radius = fillet_r)
shp_base = shp_base.removeSplitter()
shp_l = shp_base.fuse(shp_holder)
shp_l = shp_l.removeSplitter()
# pos (6,0,2): position at the corner of the L
shp_l = fcfun.shp_filletchamfer_dirpt(shp_l,
fc_axis=self.axis_w,
fc_pt=self.get_pos_dwh(6, 0, 2),
fillet=0,
radius=fillet_r)
shp_l = shp_l.removeSplitter()
# now we have the L shape with its chamfers and fillets
# ------------------- Holes for the filter
# include tolerances, along nh: only half of it, along h= 1 to make
# the cut
# pos (9,0,1) position at the center of the porta, at its bottom
shp_filter_hole = fcfun.shp_box_dir_xtr(box_w=self.filt_hole_w,
box_d=self.filt_hole_d,
box_h=self.filt_hole_h,
fc_axis_h=self.axis_h,
fc_axis_d=self.axis_d,
cw=1,
cd=1,
ch=0,
xtr_h=1,
xtr_nh=tol / 2.,
xtr_d=tol,
xtr_nd=tol,
xtr_w=tol,
xtr_nw=tol,
pos=self.get_pos_dwh(9, 0, 1))
# pos (9,0,0) position at the center of the porta, at the bottom of the
# piece
# no extra on top because it will be fused with shp_filter_hole
shp_filter_thruhole = fcfun.shp_box_dir_xtr(box_w=self.filt_supp_w,
box_d=self.filt_supp_d,
box_h=base_h,
fc_axis_h=self.axis_h,
fc_axis_d=self.axis_d,
cw=1,
cd=1,
ch=0,
xtr_h=0,
xtr_nh=1,
xtr_d=tol,
xtr_nd=tol,
xtr_w=tol,
xtr_nw=tol,
pos=self.get_pos_dwh(
9, 0, 0))
shp_fuse_filter_hole = shp_filter_hole.fuse(shp_filter_thruhole)
shp_l = shp_l.cut(shp_fuse_filter_hole)
shp_l = shp_l.removeSplitter()
# the L with the hole in the base is done
# ---------------- Holes for the bolts
bolt_list = []
shp_cen_bolt = fcfun.shp_bolt_dir(
r_shank=self.bolt_cen_r_tol,
l_bolt=hold_d,
r_head=self.bolt_cen_head_r_tol,
l_head=self.bolt_cen_head_l_tol,
xtr_head=1,
xtr_shank=1,
support=0, #not at printing directi
fc_normal=self.axis_d.negative(),
pos_n=2,
pos=self.get_pos_dwh(0, 0, 3))
bolt_list.append(shp_cen_bolt)
# the rest of the bolts come in pairs:
for w_side in [-1, 1]:
# the wider bolts (although can be smaller)
for cen_col, cen_row in zip([2, 3], [4, 3]):
boltpos = self.get_pos_dwh(0, w_side * cen_col, cen_row)
shp_cen_bolt = fcfun.shp_bolt_dir(
r_shank=self.bolt_cen_r_tol,
l_bolt=hold_d,
r_head=self.bolt_cen_head_r_tol,
l_head=self.bolt_cen_head_l_tol,
xtr_head=1,
xtr_shank=1,
support=0, #not at printing directi
fc_normal=self.axis_d.negative(),
pos_n=2,
pos=boltpos)
bolt_list.append(shp_cen_bolt)
# the smaller bolts (although can be larger). Linear guide
# first row:
boltpos = self.get_pos_dwh(0, w_side * 1, 3)
shp_lin_bolt = fcfun.shp_bolt_dir(
r_shank=self.bolt_linguide_r_tol,
l_bolt=hold_d,
r_head=self.bolt_linguide_head_r_tol,
l_head=self.bolt_linguide_head_l_tol,
xtr_head=1,
xtr_shank=1,
support=0, #not at printing directi
fc_normal=self.axis_d.negative(),
pos_n=2,
pos=boltpos)
bolt_list.append(shp_lin_bolt)
# 3rd and 4th row. Just 2 shanks and a stadium per side
for linrow in [5, 6]:
boltpos = self.get_pos_dwh(0, w_side * 1, linrow)
shp_lin_shank = fcfun.shp_cylcenxtr(
r=self.bolt_linguide_r_tol,
h=hold_d,
normal=self.axis_d,
ch=0,
xtr_top=0, #no need: stadium
xtr_bot=1,
pos=boltpos)
bolt_list.append(shp_lin_shank)
# the stadium for both bolts head (they are too close)
stadpos = self.get_pos_dwh(6, w_side * 1, 5)
shp_stad = fcfun.shp_stadium_dir(
length=boltrow1_4_dist - boltrow1_3_dist,
radius=self.bolt_linguide_head_r_tol,
height=self.bolt_linguide_head_l_tol,
fc_axis_h=self.axis_d.negative(),
fc_axis_l=self.axis_h,
ref_l=2,
ref_h=2,
xtr_h=0,
xtr_nh=1,
pos=stadpos)
bolt_list.append(shp_stad)
shp_bolts = fcfun.fuseshplist(bolt_list)
shp_l = shp_l.cut(shp_bolts)
# ---------------- Belt clamps
# at both sides
clamp_list = []
for w_side in [-1, 1]:
clamp_pos = self.get_pos_dwh(0, w_side * 7, 7)
if w_side == 1:
clamp_axis_w = self.axis_w.negative()
else:
clamp_axis_w = self.axis_w
shp_clamp = fcfun.shp_box_dir_xtr(box_w=beltclamp_l,
box_d=self.beltclamp_blk_t,
box_h=beltclamp_h,
fc_axis_h=self.axis_h,
fc_axis_d=self.axis_d,
fc_axis_w=clamp_axis_w,
cw=0,
cd=0,
ch=0,
xtr_nh=1,
pos=clamp_pos)
# fillet the corner
shp_clamp = fcfun.shp_filletchamfer_dirpt(shp_clamp,
self.axis_h,
fc_pt=clamp_pos,
fillet=1,
radius=fillet_r)
shp_clamp = shp_clamp.removeSplitter()
clamp_list.append(shp_clamp)
# the other clamp, with no fillet
clamp_pos = self.get_pos_dwh(6, w_side * 7, 7)
shp_clamp = fcfun.shp_box_dir_xtr(box_w=beltclamp_l,
box_d=self.beltclamp_blk_t,
box_h=beltclamp_h,
fc_axis_h=self.axis_h,
fc_axis_d=self.axis_d.negative(),
fc_axis_w=clamp_axis_w,
cw=0,
cd=0,
ch=0,
xtr_nh=1,
pos=clamp_pos)
clamp_list.append(shp_clamp)
# the belt post
beltpost_pos = self.get_pos_dwh(2, w_side * 5, 7)
shp_beltpost = fcfun.shp_belt_dir(center_sep=2 *
self.lr_beltpost_r,
rad1=sm_beltpost_r,
rad2=self.lr_beltpost_r,
height=beltclamp_h,
fc_axis_h=self.axis_h,
fc_axis_l=clamp_axis_w,
ref_l=3,
ref_h=2,
xtr_h=0,
xtr_nh=1,
pos=beltpost_pos)
clamp_list.append(shp_beltpost)
shp_filterholder = shp_l.multiFuse(clamp_list)
shp_filterholder = shp_filterholder.removeSplitter()
#Part.show (shp_filterholder)
self.shp = shp_filterholder
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