def ZMotorMount(
z_rail_type = 'smooth rod',
z_rod_diameter = 8,
z_rod_spacing = 30,
extrusion_profile = 20,
extrusion_y_length = 420,
extrusion_diagonal_length = 340,
#how far apart should the rod clamp bolt holes be?
hole_spacing = 30,
thick_typical = 4.25,
thick_compress = 3
):
#how big are the structural bolts?
main_bolt_hole_diameter = 5.5
nut_depth = 4
nut_width = 8.5
#how big are the motor bolts?
motor_bolt_hole_diameter = 3.5
motor_bolt_head_diameter = 6 #?
#lots of math to figure out the horizontal span of the mount based on the extrusions
#15 is the length added to the diagonal extrusion by the angled plastic part of Lower Vertex Middle
extrusion_hole_spacing = extrusion_y_length-((15+extrusion_diagonal_length+(extrusion_profile/2))*math.sin(math.radians(30))-(extrusion_profile/2)*math.cos(math.radians(30)))*2
box = Part.makeBox(extrusion_hole_spacing-(extrusion_profile/2*math.cos(math.radians(30))-extrusion_profile/2*math.sin(math.radians(30)))*2,extrusion_profile*math.cos(math.radians(30))+thick_typical,thick_typical)
mount = box
#housings for the upper X extrusions
box = Part.makeBox(extrusion_profile,extrusion_profile,thick_typical)
box2= Part.makeBox(thick_typical,extrusion_profile,75)
box2.translate(Base.Vector(extrusion_profile,0,0))
box = box.fuse(box2)
#add mounting on the inner side of the extrusion?
#box2= Part.makeBox(extrusion_profile+thick_typical,thick_typical,75)
#box2.translate(Base.Vector(0,-thick_typical,0))
#box = box.fuse(box2)
#bolt holes
cylinder = Part.makeCylinder(main_bolt_hole_diameter/2,thick_typical)
cylinder.translate(Base.Vector(extrusion_profile/2,extrusion_profile/2,0))
box = box.cut(cylinder)
cylinder = Part.makeCylinder(main_bolt_hole_diameter/2,thick_typical)
cylinder.rotate(Base.Vector(0,0,0),Base.Vector(1,0,0),90)
cylinder.translate(Base.Vector(extrusion_profile/2,0,75-extrusion_profile/2))
#bolt holes on the inner side
#box = box.cut(cylinder)
#cylinder.translate(Base.Vector(0,0,-20))
#box = box.cut(cylinder)
cylinder.rotate(Base.Vector(extrusion_profile+thick_typical/2,-thick_typical/2,0),Base.Vector(0,0,1),-90)
box = box.cut(cylinder)
#second bolt hole on the top side
#cylinder.translate(Base.Vector(0,0,20))
#box = box.cut(cylinder)
box.rotate(Base.Vector(0,0,0),Base.Vector(0,0,1),60)
mount = mount.fuse(box)
#mirror behaves oddly with rotated parts, so we unrotate before mirroring
box.rotate(Base.Vector(0,0,0),Base.Vector(0,0,1),-60)
box = box.mirror(Base.Vector((extrusion_hole_spacing-(extrusion_profile/2*math.cos(math.radians(30))-extrusion_profile/2*math.sin(math.radians(30)))*2)/2,0,0),Base.Vector(1,0,0))
box.rotate(Base.Vector(extrusion_hole_spacing-(extrusion_profile/2*math.cos(math.radians(30))-extrusion_profile/2*math.sin(math.radians(30)))*2,0,0),Base.Vector(0,0,1),-60)
mount = mount.fuse(box)
#TODO: use parametric motor dimensions
#horizontal motor mount plate
box = Part.makeBox(extrusion_hole_spacing-(extrusion_profile/2*math.cos(math.radians(30))+extrusion_profile/2*math.sin(math.radians(30)))*2,thick_typical,75)
box.translate(Base.Vector(extrusion_profile*math.sin(math.radians(30)),extrusion_profile*math.cos(math.radians(30)),0))
mount = mount.fuse(box)
#motor hole
cylinder = Part.makeCylinder(25/2,thick_typical)
cylinder.rotate(Base.Vector(0,0,0),Base.Vector(1,0,0),-90)
cylinder.translate(Base.Vector((extrusion_hole_spacing-(extrusion_profile/2*math.cos(math.radians(30))+extrusion_profile/2*math.sin(math.radians(30)))*2)/2,0,z_rod_spacing))
cylinder.translate(Base.Vector(extrusion_profile*math.sin(math.radians(30)),extrusion_profile*math.cos(math.radians(30)),0))
mount = mount.cut(cylinder)
#motor bolt hole
cylinder = Part.makeCylinder(motor_bolt_hole_diameter/2,thick_typical)
#conditionally necessary counterbore
cylinder2 = Part.makeCylinder(motor_bolt_head_diameter/2,99)
cylinder2.translate(Base.Vector(0,0,(thick_typical-thick_compress)-99))
cylinder = cylinder.fuse(cylinder2)
cylinder.rotate(Base.Vector(0,0,0),Base.Vector(1,0,0),-90)
cylinder.translate(Base.Vector((extrusion_hole_spacing-(extrusion_profile/2*math.cos(math.radians(30))+extrusion_profile/2*math.sin(math.radians(30)))*2)/2-31/2,0,z_rod_spacing-31/2))
cylinder.translate(Base.Vector(extrusion_profile*math.sin(math.radians(30)),extrusion_profile*math.cos(math.radians(30)),0))
mount = mount.cut(cylinder)
cylinder.translate(Base.Vector(31,0,0))
mount = mount.cut(cylinder)
cylinder.translate(Base.Vector(0,0,31))
mount = mount.cut(cylinder)
cylinder.translate(Base.Vector(-31,0,0))
mount = mount.cut(cylinder)
#move the mount over so we can build the latch in place before moving it back
mount.translate(Base.Vector(-((extrusion_hole_spacing-(extrusion_profile/2*math.cos(math.radians(30))-extrusion_profile/2*math.sin(math.radians(30)))*2)/2-(7+hole_spacing/2)),0,0))
#TODO: the common bits from this, RodLatch, and YRodMount should end up in a file together
#bounding box for the main curved part of the latch
box = Part.makeBox(hole_spacing,extrusion_profile*math.cos(math.radians(30))+thick_typical,z_rod_diameter/2+thick_typical)
box.translate(Base.Vector(7,0,0))
#main curved part of the latch, around the rod
cylinder = Part.makeCylinder(z_rod_diameter/2+thick_typical,extrusion_profile*math.cos(math.radians(30))+thick_typical)
cylinder.rotate(Base.Vector(0,0,0),Base.Vector(1,0,0),-90)
cylinder.translate(Base.Vector(7+hole_spacing/2,0,0))
latch = box.common(cylinder)
#connects the curved part to the bolt holes
box = Part.makeBox(hole_spacing,14,max(thick_typical,thick_compress))
box.translate(Base.Vector(7,0,0))
latch = latch.fuse(box)
mount = mount.fuse(latch)
#rod hole
cylinder = Part.makeCylinder(z_rod_diameter/2,extrusion_profile*math.cos(math.radians(30))+thick_typical)
cylinder.rotate(Base.Vector(0,0,0),Base.Vector(1,0,0),-90)
cylinder.translate(Base.Vector(7+hole_spacing/2,0,0))
mount = mount.cut(cylinder)
#housings for the bolt holes
cylinder = Part.makeCylinder(7,thick_compress+nut_depth)
cylinder.translate(Base.Vector(7,7,0))
mount = mount.fuse(cylinder)
cylinder = Part.makeCylinder(7,thick_compress+nut_depth)
cylinder.translate(Base.Vector(7+hole_spacing,7,0))
mount = mount.fuse(cylinder)
#bolt holes
cylinder = Part.makeCylinder(main_bolt_hole_diameter/2,z_rod_diameter/2+thick_typical)
cylinder.translate(Base.Vector(7,7,0))
mount = mount.cut(cylinder)
cylinder = Part.makeCylinder(main_bolt_hole_diameter/2,z_rod_diameter/2+thick_typical)
cylinder.translate(Base.Vector(7+hole_spacing,7,0))
mount = mount.cut(cylinder)
#captive nuts
nuthole = regPolygon(sides = 6, radius = nut_width/2, extrude = nut_depth, Z_offset = 0)
nuthole.translate(Base.Vector(7,7,thick_compress))
mount = mount.cut(nuthole)
nuthole = regPolygon(sides = 6, radius = nut_width/2, extrude = nut_depth, Z_offset = 0)
nuthole.translate(Base.Vector(7+hole_spacing,7,thick_compress))
mount = mount.cut(nuthole)
#move the mount back into postive coordinates
mount.translate(Base.Vector(((extrusion_hole_spacing-(extrusion_profile/2*math.cos(math.radians(30))-extrusion_profile/2*math.sin(math.radians(30)))*2)/2-(7+hole_spacing/2)),0,0))
mount.translate(Base.Vector(extrusion_profile*math.cos(math.radians(30)),0,0))
return mount
def YRodMount(
extrusion_profile = 20,
y_rail_type = 'smooth rod',
y_rod_diameter = 8,
y_rod_spacing = 100,
#how far apart should the bottom frame rectangles be?
frame_rectangle_spacing = 30,
#how thick should the parts be?
thick_typical = 4.25,
thick_compress = 3,
thick_min = 1,
#how far apart should the rod bolt holes be?
hole_spacing = 30
):
#TODO: fail if y_rail_type is not 'smooth rod'
#TODO: add logic to specify bolt type instead of bolt dimensions
#how big are the bolts?
bolt_hole_diameter = 5.5
nut_depth = 4
nut_width = 8.5
#large printer version raises concerns, so this is an override to always use the 100mm-wide version
small_printer = True
#if(small_printer and y_rod_spacing>100):
#error
#TODO: make sure tower_y > nut_depth + thick_compress
tower_x = y_rod_diameter/2+thick_compress
tower_y = hole_spacing+nut_width+thick_min*2
tower_z = nut_width*math.sqrt(3)+thick_min*2
mount_x = y_rod_spacing
mount_y = frame_rectangle_spacing+extrusion_profile*2
mount_z = thick_typical
#base
box = Part.makeBox(mount_x,mount_y,mount_z)
box2 = Part.makeBox(mount_x-tower_x*2,frame_rectangle_spacing,mount_z)
box2.translate(Base.Vector(tower_x,extrusion_profile,0))
mount = box.cut(box2)
#"towers"
box = Part.makeBox(tower_x,tower_y,tower_z)
box.translate(Base.Vector(0,(mount_y-tower_y)/2,mount_z))
mount = mount.fuse(box)
box.translate(Base.Vector(y_rod_spacing-tower_x,0,0))
mount = mount.fuse(box)
#rod clamp bolt holes
nuthole = regPolygon(sides = 6, radius = nut_width/2, extrude = nut_depth, Z_offset = tower_x-nut_depth)
cylinder = Part.makeCylinder(bolt_hole_diameter/2,tower_x)
cutout = cylinder.fuse(nuthole)
cutout.rotate(Base.Vector(0,0,0),Base.Vector(0,1,0),90)
cutout.translate(Base.Vector(0,mount_y/2-hole_spacing/2,mount_z+tower_z/2))
mount = mount.cut(cutout)
#rotations around lines in the middle of the part to re-use the same cutout
cutout.rotate(Base.Vector(0,mount_y/2,mount_z+tower_z/2),Base.Vector(1,0,0),180)
mount = mount.cut(cutout)
cutout.rotate(Base.Vector(mount_x/2,mount_y/2,0),Base.Vector(0,0,1),180)
mount = mount.cut(cutout)
cutout.rotate(Base.Vector(0,mount_y/2,mount_z+tower_z/2),Base.Vector(1,0,0),180)
mount = mount.cut(cutout)
#extrusion bolt holes and corner rounding
cornerbox = Part.makeBox(extrusion_profile/2,extrusion_profile/2,mount_z)
cornercylinder = Part.makeCylinder(extrusion_profile/2,mount_z)
cornercylinder.translate(Base.Vector(extrusion_profile/2,extrusion_profile/2,0))
cornerbox=cornerbox.cut(cornercylinder)
cylinder = Part.makeCylinder(bolt_hole_diameter/2,mount_z)
#TODO: deal with bolt hole being too close to tower
if(small_printer):
cylinder.translate(Base.Vector(extrusion_profile/2,extrusion_profile/2,0))
else:
box = Part.makeBox(extrusion_profile,mount_y,mount_z)
box.translate(Base.Vector(-extrusion_profile,0,0))
mount=mount.fuse(box)
box.translate(Base.Vector(mount_x+extrusion_profile,0,0))
mount=mount.fuse(box)
cylinder.translate(Base.Vector(-extrusion_profile/2,extrusion_profile/2,0))
cornerbox.translate(Base.Vector(-extrusion_profile,0,0))
#add the corner rounding
cylinder=cylinder.fuse(cornerbox)
mount = mount.cut(cylinder)
#rotations around lines in the middle of the part to re-use the same cutout
cylinder.rotate(Base.Vector(0,mount_y/2,mount_z/2),Base.Vector(1,0,0),180)
mount = mount.cut(cylinder)
cylinder.rotate(Base.Vector(mount_x/2,0,mount_z/2),Base.Vector(0,1,0),180)
mount = mount.cut(cylinder)
cylinder.rotate(Base.Vector(0,mount_y/2,mount_z/2),Base.Vector(1,0,0),180)
mount = mount.cut(cylinder)
#rod holes
cylinder = Part.makeCylinder(y_rod_diameter/2,tower_z+mount_z)
cylinder.translate(Base.Vector(0,mount_y/2,0))
mount = mount.cut(cylinder)
cylinder.translate(Base.Vector(y_rod_spacing,0,0))
mount = mount.cut(cylinder)
return mount
def YRodMount(
extrusion_profile=20,
y_rail_type='smooth rod',
y_rod_diameter=8,
y_rod_spacing=100,
#how far apart should the bottom frame rectangles be?
frame_rectangle_spacing=30,
#how thick should the parts be?
thick_typical=4.25,
thick_compress=3,
thick_min=1,
#how far apart should the rod bolt holes be?
hole_spacing=30):
#TODO: fail if y_rail_type is not 'smooth rod'
#TODO: add logic to specify bolt type instead of bolt dimensions
#how big are the bolts?
bolt_hole_diameter = 5.5
nut_depth = 4
nut_width = 8.5
#large printer version raises concerns, so this is an override to always use the 100mm-wide version
small_printer = True
#if(small_printer and y_rod_spacing>100):
#error
#TODO: make sure tower_y > nut_depth + thick_compress
tower_x = y_rod_diameter / 2 + thick_compress
tower_y = hole_spacing + nut_width + thick_min * 2
tower_z = nut_width * math.sqrt(3) + thick_min * 2
mount_x = y_rod_spacing
mount_y = frame_rectangle_spacing + extrusion_profile * 2
mount_z = thick_typical
#base
box = Part.makeBox(mount_x, mount_y, mount_z)
box2 = Part.makeBox(mount_x - tower_x * 2, frame_rectangle_spacing,
mount_z)
box2.translate(Base.Vector(tower_x, extrusion_profile, 0))
mount = box.cut(box2)
#"towers"
box = Part.makeBox(tower_x, tower_y, tower_z)
box.translate(Base.Vector(0, (mount_y - tower_y) / 2, mount_z))
mount = mount.fuse(box)
box.translate(Base.Vector(y_rod_spacing - tower_x, 0, 0))
mount = mount.fuse(box)
#rod clamp bolt holes
nuthole = regPolygon(sides=6,
radius=nut_width / 2,
extrude=nut_depth,
Z_offset=tower_x - nut_depth)
cylinder = Part.makeCylinder(bolt_hole_diameter / 2, tower_x)
cutout = cylinder.fuse(nuthole)
cutout.rotate(Base.Vector(0, 0, 0), Base.Vector(0, 1, 0), 90)
cutout.translate(
Base.Vector(0, mount_y / 2 - hole_spacing / 2, mount_z + tower_z / 2))
mount = mount.cut(cutout)
#rotations around lines in the middle of the part to re-use the same cutout
cutout.rotate(Base.Vector(0, mount_y / 2, mount_z + tower_z / 2),
Base.Vector(1, 0, 0), 180)
mount = mount.cut(cutout)
cutout.rotate(Base.Vector(mount_x / 2, mount_y / 2, 0),
Base.Vector(0, 0, 1), 180)
mount = mount.cut(cutout)
cutout.rotate(Base.Vector(0, mount_y / 2, mount_z + tower_z / 2),
Base.Vector(1, 0, 0), 180)
mount = mount.cut(cutout)
#extrusion bolt holes and corner rounding
cornerbox = Part.makeBox(extrusion_profile / 2, extrusion_profile / 2,
mount_z)
cornercylinder = Part.makeCylinder(extrusion_profile / 2, mount_z)
cornercylinder.translate(
Base.Vector(extrusion_profile / 2, extrusion_profile / 2, 0))
cornerbox = cornerbox.cut(cornercylinder)
cylinder = Part.makeCylinder(bolt_hole_diameter / 2, mount_z)
#TODO: deal with bolt hole being too close to tower
if (small_printer):
cylinder.translate(
Base.Vector(extrusion_profile / 2, extrusion_profile / 2, 0))
else:
box = Part.makeBox(extrusion_profile, mount_y, mount_z)
box.translate(Base.Vector(-extrusion_profile, 0, 0))
mount = mount.fuse(box)
box.translate(Base.Vector(mount_x + extrusion_profile, 0, 0))
mount = mount.fuse(box)
cylinder.translate(
Base.Vector(-extrusion_profile / 2, extrusion_profile / 2, 0))
cornerbox.translate(Base.Vector(-extrusion_profile, 0, 0))
#add the corner rounding
cylinder = cylinder.fuse(cornerbox)
mount = mount.cut(cylinder)
#rotations around lines in the middle of the part to re-use the same cutout
cylinder.rotate(Base.Vector(0, mount_y / 2, mount_z / 2),
Base.Vector(1, 0, 0), 180)
mount = mount.cut(cylinder)
cylinder.rotate(Base.Vector(mount_x / 2, 0, mount_z / 2),
Base.Vector(0, 1, 0), 180)
mount = mount.cut(cylinder)
cylinder.rotate(Base.Vector(0, mount_y / 2, mount_z / 2),
Base.Vector(1, 0, 0), 180)
mount = mount.cut(cylinder)
#rod holes
cylinder = Part.makeCylinder(y_rod_diameter / 2, tower_z + mount_z)
cylinder.translate(Base.Vector(0, mount_y / 2, 0))
mount = mount.cut(cylinder)
cylinder.translate(Base.Vector(y_rod_spacing, 0, 0))
mount = mount.cut(cylinder)
return mount
nut_top = Part.makeBox(nut_length, extrusion_slot_opening_width - gap_horizontal*2, extrusion_slot_opening_depth - gap_vertical)
nut_bottom_width = extrusion_slot_width - gap_horizontal*2
nut_bottom_height = extrusion_slot_depth - gap_vertical
nut_bottom_cross_section = Part.makePolygon([
Base.Vector(0,0,0),
Base.Vector(0,nut_bottom_width,0),
Base.Vector(0,nut_bottom_width,-(extrusion_slot_vertical_depth-gap_vertical)),
Base.Vector(0,nut_bottom_width - (nut_bottom_height-(extrusion_slot_vertical_depth-gap_vertical)),-nut_bottom_height),
Base.Vector(0,nut_bottom_height-(extrusion_slot_vertical_depth-gap_vertical),-nut_bottom_height),
Base.Vector(0,0,-(extrusion_slot_vertical_depth-gap_vertical)),
Base.Vector(0,0,0)])
face = Part.Face(nut_bottom_cross_section)
nut_bottom = face.extrude(Base.Vector(nut_length,0,0))
nut_bottom.translate(Base.Vector(0,-(nut_bottom_width-(extrusion_slot_opening_width - 0.5))/2,0))
nut = nut_bottom.fuse(nut_top)
bolthole = Part.makeCylinder(bolt_diameter/2,extrusion_slot_opening_depth - gap_vertical)
nuthole = regPolygon(sides = 6, radius = metal_nut_width/2, extrude = nut_bottom_height, Z_offset = -nut_bottom_height)
holes = bolthole.fuse(nuthole)
holes.translate(Base.Vector(base_padding,(extrusion_slot_opening_width-gap_horizontal*2)/2,0))
for n in range(num_holes):
nut = nut.cut(holes)
holes.translate(Base.Vector(hole_spacing_medium,0,0))
#bring back into octant 1
nut.translate(Base.Vector(0,(nut_bottom_width - (extrusion_slot_opening_width - gap_horizontal*2))/2,nut_bottom_height))
Part.show(nut)
else:
box2 = Part.makeBox(y_rod_spacing - y_rod_diameter - part_thickness * 2, 40, part_thickness)
box2.translate(Base.Vector(y_rod_diameter / 2 + part_thickness, 15, 0))
mount = box.cut(box2)
# "towers"
#
box = Part.makeBox(y_rod_diameter / 2 + part_thickness, 40, nut_width + part_thickness * 2)
box.translate(Base.Vector(0, 15, part_thickness))
mount = mount.fuse(box)
box.translate(Base.Vector(y_rod_spacing - y_rod_diameter / 2 - part_thickness, 0, 0))
mount = mount.fuse(box)
# rod clamp bolt holes
nuthole = regPolygon(
sides=6, radius=nut_width / 2, extrude=nut_depth, Z_offset=y_rod_diameter / 2 + part_thickness - nut_depth
)
cylinder = Part.makeCylinder(bolt_hole_diameter / 2, y_rod_diameter / 2 + part_thickness)
cutout = cylinder.fuse(nuthole)
cutout.rotate(Base.Vector(0, 0, 0), Base.Vector(0, 1, 0), 90)
cutout.translate(
Base.Vector(0, 70 / 2 - y_rod_diameter / 2 - (40 - y_rod_diameter) / 4, part_thickness * 2 + nut_width / 2)
)
mount = mount.cut(cutout)
# rotations around lines in the middle of the part to re-use the same cutout
cutout.rotate(
Base.Vector((y_rod_diameter / 2 + part_thickness) / 2, 70 / 2, part_thickness * 2 + nut_width / 2),
Base.Vector(1, 0, 0),
180,
)
mount = mount.cut(cutout)
-nut_bottom_height),
Base.Vector(0, 0, -(extrusion_slot_vertical_depth - gap_vertical)),
Base.Vector(0, 0, 0)
])
face = Part.Face(nut_bottom_cross_section)
nut_bottom = face.extrude(Base.Vector(nut_length, 0, 0))
nut_bottom.translate(
Base.Vector(0,
-(nut_bottom_width - (extrusion_slot_opening_width - 0.5)) / 2,
0))
nut = nut_bottom.fuse(nut_top)
bolthole = Part.makeCylinder(bolt_diameter / 2,
extrusion_slot_opening_depth - gap_vertical)
nuthole = regPolygon(sides=6,
radius=metal_nut_width / 2,
extrude=nut_bottom_height,
Z_offset=-nut_bottom_height)
holes = bolthole.fuse(nuthole)
holes.translate(
Base.Vector(base_padding,
(extrusion_slot_opening_width - gap_horizontal * 2) / 2, 0))
for n in range(num_holes):
nut = nut.cut(holes)
holes.translate(Base.Vector(hole_spacing_medium, 0, 0))
#bring back into octant 1
nut.translate(
Base.Vector(0, (nut_bottom_width -
(extrusion_slot_opening_width - gap_horizontal * 2)) / 2,
nut_bottom_height))
def ZMotorMount(
z_rail_type='smooth rod',
z_rod_diameter=8,
z_rod_spacing=30,
extrusion_profile=20,
extrusion_y_length=420,
extrusion_diagonal_length=340,
#how far apart should the rod clamp bolt holes be?
hole_spacing=30,
thick_typical=4.25,
thick_compress=3):
#how big are the structural bolts?
main_bolt_hole_diameter = 5.5
nut_depth = 4
nut_width = 8.5
#how big are the motor bolts?
motor_bolt_hole_diameter = 3.5
motor_bolt_head_diameter = 6 #?
#lots of math to figure out the horizontal span of the mount based on the extrusions
#15 is the length added to the diagonal extrusion by the angled plastic part of Lower Vertex Middle
extrusion_hole_spacing = extrusion_y_length - (
(15 + extrusion_diagonal_length +
(extrusion_profile / 2)) * math.sin(math.radians(30)) -
(extrusion_profile / 2) * math.cos(math.radians(30))) * 2
box = Part.makeBox(
extrusion_hole_spacing -
(extrusion_profile / 2 * math.cos(math.radians(30)) -
extrusion_profile / 2 * math.sin(math.radians(30))) * 2,
extrusion_profile * math.cos(math.radians(30)) + thick_typical,
thick_typical)
mount = box
#housings for the upper X extrusions
box = Part.makeBox(extrusion_profile, extrusion_profile, thick_typical)
box2 = Part.makeBox(thick_typical, extrusion_profile, 75)
box2.translate(Base.Vector(extrusion_profile, 0, 0))
box = box.fuse(box2)
#add mounting on the inner side of the extrusion?
#box2= Part.makeBox(extrusion_profile+thick_typical,thick_typical,75)
#box2.translate(Base.Vector(0,-thick_typical,0))
#box = box.fuse(box2)
#bolt holes
cylinder = Part.makeCylinder(main_bolt_hole_diameter / 2, thick_typical)
cylinder.translate(
Base.Vector(extrusion_profile / 2, extrusion_profile / 2, 0))
box = box.cut(cylinder)
cylinder = Part.makeCylinder(main_bolt_hole_diameter / 2, thick_typical)
cylinder.rotate(Base.Vector(0, 0, 0), Base.Vector(1, 0, 0), 90)
cylinder.translate(
Base.Vector(extrusion_profile / 2, 0, 75 - extrusion_profile / 2))
#bolt holes on the inner side
#box = box.cut(cylinder)
#cylinder.translate(Base.Vector(0,0,-20))
#box = box.cut(cylinder)
cylinder.rotate(
Base.Vector(extrusion_profile + thick_typical / 2, -thick_typical / 2,
0), Base.Vector(0, 0, 1), -90)
box = box.cut(cylinder)
#second bolt hole on the top side
#cylinder.translate(Base.Vector(0,0,20))
#box = box.cut(cylinder)
box.rotate(Base.Vector(0, 0, 0), Base.Vector(0, 0, 1), 60)
mount = mount.fuse(box)
#mirror behaves oddly with rotated parts, so we unrotate before mirroring
box.rotate(Base.Vector(0, 0, 0), Base.Vector(0, 0, 1), -60)
box = box.mirror(
Base.Vector(
(extrusion_hole_spacing -
(extrusion_profile / 2 * math.cos(math.radians(30)) -
extrusion_profile / 2 * math.sin(math.radians(30))) * 2) / 2, 0,
0), Base.Vector(1, 0, 0))
box.rotate(
Base.Vector(
extrusion_hole_spacing -
(extrusion_profile / 2 * math.cos(math.radians(30)) -
extrusion_profile / 2 * math.sin(math.radians(30))) * 2, 0, 0),
Base.Vector(0, 0, 1), -60)
mount = mount.fuse(box)
#TODO: use parametric motor dimensions
#horizontal motor mount plate
box = Part.makeBox(
extrusion_hole_spacing -
(extrusion_profile / 2 * math.cos(math.radians(30)) +
extrusion_profile / 2 * math.sin(math.radians(30))) * 2,
thick_typical, 75)
box.translate(
Base.Vector(extrusion_profile * math.sin(math.radians(30)),
extrusion_profile * math.cos(math.radians(30)), 0))
mount = mount.fuse(box)
#motor hole
cylinder = Part.makeCylinder(25 / 2, thick_typical)
cylinder.rotate(Base.Vector(0, 0, 0), Base.Vector(1, 0, 0), -90)
cylinder.translate(
Base.Vector(
(extrusion_hole_spacing -
(extrusion_profile / 2 * math.cos(math.radians(30)) +
extrusion_profile / 2 * math.sin(math.radians(30))) * 2) / 2, 0,
z_rod_spacing))
cylinder.translate(
Base.Vector(extrusion_profile * math.sin(math.radians(30)),
extrusion_profile * math.cos(math.radians(30)), 0))
mount = mount.cut(cylinder)
#motor bolt hole
cylinder = Part.makeCylinder(motor_bolt_hole_diameter / 2, thick_typical)
#conditionally necessary counterbore
cylinder2 = Part.makeCylinder(motor_bolt_head_diameter / 2, 99)
cylinder2.translate(
Base.Vector(0, 0, (thick_typical - thick_compress) - 99))
cylinder = cylinder.fuse(cylinder2)
cylinder.rotate(Base.Vector(0, 0, 0), Base.Vector(1, 0, 0), -90)
cylinder.translate(
Base.Vector(
(extrusion_hole_spacing -
(extrusion_profile / 2 * math.cos(math.radians(30)) +
extrusion_profile / 2 * math.sin(math.radians(30))) * 2) / 2 -
31 / 2, 0, z_rod_spacing - 31 / 2))
cylinder.translate(
Base.Vector(extrusion_profile * math.sin(math.radians(30)),
extrusion_profile * math.cos(math.radians(30)), 0))
mount = mount.cut(cylinder)
cylinder.translate(Base.Vector(31, 0, 0))
mount = mount.cut(cylinder)
cylinder.translate(Base.Vector(0, 0, 31))
mount = mount.cut(cylinder)
cylinder.translate(Base.Vector(-31, 0, 0))
mount = mount.cut(cylinder)
#move the mount over so we can build the latch in place before moving it back
mount.translate(
Base.Vector(
-((extrusion_hole_spacing -
(extrusion_profile / 2 * math.cos(math.radians(30)) -
extrusion_profile / 2 * math.sin(math.radians(30))) * 2) / 2 -
(7 + hole_spacing / 2)), 0, 0))
#TODO: the common bits from this, RodLatch, and YRodMount should end up in a file together
#bounding box for the main curved part of the latch
box = Part.makeBox(
hole_spacing,
extrusion_profile * math.cos(math.radians(30)) + thick_typical,
z_rod_diameter / 2 + thick_typical)
box.translate(Base.Vector(7, 0, 0))
#main curved part of the latch, around the rod
cylinder = Part.makeCylinder(
z_rod_diameter / 2 + thick_typical,
extrusion_profile * math.cos(math.radians(30)) + thick_typical)
cylinder.rotate(Base.Vector(0, 0, 0), Base.Vector(1, 0, 0), -90)
cylinder.translate(Base.Vector(7 + hole_spacing / 2, 0, 0))
latch = box.common(cylinder)
#connects the curved part to the bolt holes
box = Part.makeBox(hole_spacing, 14, max(thick_typical, thick_compress))
box.translate(Base.Vector(7, 0, 0))
latch = latch.fuse(box)
mount = mount.fuse(latch)
#rod hole
cylinder = Part.makeCylinder(
z_rod_diameter / 2,
extrusion_profile * math.cos(math.radians(30)) + thick_typical)
cylinder.rotate(Base.Vector(0, 0, 0), Base.Vector(1, 0, 0), -90)
cylinder.translate(Base.Vector(7 + hole_spacing / 2, 0, 0))
mount = mount.cut(cylinder)
#housings for the bolt holes
cylinder = Part.makeCylinder(7, thick_compress + nut_depth)
cylinder.translate(Base.Vector(7, 7, 0))
mount = mount.fuse(cylinder)
cylinder = Part.makeCylinder(7, thick_compress + nut_depth)
cylinder.translate(Base.Vector(7 + hole_spacing, 7, 0))
mount = mount.fuse(cylinder)
#bolt holes
cylinder = Part.makeCylinder(main_bolt_hole_diameter / 2,
z_rod_diameter / 2 + thick_typical)
cylinder.translate(Base.Vector(7, 7, 0))
mount = mount.cut(cylinder)
cylinder = Part.makeCylinder(main_bolt_hole_diameter / 2,
z_rod_diameter / 2 + thick_typical)
cylinder.translate(Base.Vector(7 + hole_spacing, 7, 0))
mount = mount.cut(cylinder)
#captive nuts
nuthole = regPolygon(sides=6,
radius=nut_width / 2,
extrude=nut_depth,
Z_offset=0)
nuthole.translate(Base.Vector(7, 7, thick_compress))
mount = mount.cut(nuthole)
nuthole = regPolygon(sides=6,
radius=nut_width / 2,
extrude=nut_depth,
Z_offset=0)
nuthole.translate(Base.Vector(7 + hole_spacing, 7, thick_compress))
mount = mount.cut(nuthole)
#move the mount back into postive coordinates
mount.translate(
Base.Vector(
((extrusion_hole_spacing -
(extrusion_profile / 2 * math.cos(math.radians(30)) -
extrusion_profile / 2 * math.sin(math.radians(30))) * 2) / 2 -
(7 + hole_spacing / 2)), 0, 0))
mount.translate(
Base.Vector(extrusion_profile * math.cos(math.radians(30)), 0, 0))
return mount