Generate DXFs for all the laser cut parts
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ad93f7a995
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e892caaf41
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@ -0,0 +1,25 @@
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import cadquery as cq
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from cadquery import exporters
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import gantry
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parts = [
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(gantry.g.upper_front_plate, "gantry_upper_front", gantry.plate_z),
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(gantry.g.upper_back_plate, "gantry_upper_back", gantry.plate_z),
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(gantry.g.lower_front_plate, "gantry_lower_front", gantry.plate_z),
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(gantry.g.lower_back_plate, "gantry_lower_back", gantry.plate_z),
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(gantry.g.right_bearing_mount, "gantry_fixed_bearing_mount", gantry.x_mount_z),
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(gantry.g.left_bearing_mount, "gantry_floating_bearing_mount", gantry.x_mount_z),
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(gantry.g.stepper_mount, "gantry_stepper_mount", gantry.stepper_mount_z),
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(gantry.c.plate, "carriage", gantry.plate_z2),
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(gantry.ca.plate, "carrier", gantry.carrier_plate_z),
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(gantry.ca.left_spacer, "carrier_left_spacer", gantry.z_spacer_z),
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(gantry.ca.right_spacer, "carrier_right_spacer", gantry.z_spacer_z),
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(gantry.ca.stepper_mount, "carrier_stepper_mount", gantry.stepper_mount_z),
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]
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for part, path, thickness in parts:
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exporters.exportDXF(
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part.workplaneFromTagged("base").section(),
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"dxfs/{}-{:.2f}mm.dxf".format(path, thickness),
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)
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53
gantry.py
53
gantry.py
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@ -1,5 +1,7 @@
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import cadquery as cq
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from ocp_vscode import *
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if __name__ == "__main__":
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from ocp_vscode import *
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from utils import *
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import localselectors
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@ -13,6 +15,9 @@ plate_z = 2.54
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plate_z2 = 10
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x_mount_z = 5
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stepper_mount_z = 5
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carrier_plate_z = 10
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ballscrew_x_offset = 4
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@ -77,22 +82,38 @@ class Gantry:
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column_spacing + tube_w,
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)
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self.upper_front_plate = (
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cq.Workplane()
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.copyWorkplane(
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w.transformed(offset=(0, tube_h / 2, upper_center), rotate=(-90, 0, 0))
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)
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.tag("base")
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.rect(column_spacing + tube_w, tube_w)
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.extrude(plate_z)
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)
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self.lower_front_plate = (
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cq.Workplane()
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.copyWorkplane(
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w.transformed(offset=(0, tube_h / 2, lower_center), rotate=(-90, 0, 0))
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)
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.tag("base")
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.rect(column_spacing + tube_w, tube_w)
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.extrude(plate_z)
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)
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self.upper_back_plate = (
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cq.Workplane()
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.copyWorkplane(
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w.transformed(offset=(0, -tube_h / 2, upper_center), rotate=(90, 0, 0))
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)
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.tag("base")
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.rect(column_spacing + tube_w, tube_w)
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.extrude(plate_z)
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)
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self.lower_back_plate = (
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cq.Workplane()
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.copyWorkplane(
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w.transformed(offset=(0, -tube_h / 2, lower_center), rotate=(90, 0, 0))
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)
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.tag("base")
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.rect(column_spacing + tube_w, tube_w)
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.extrude(plate_z)
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)
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@ -143,7 +164,9 @@ class Gantry:
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)
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self.right_bearing_mount = (
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w.copyWorkplane(right_bearing_base)
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cq.Workplane()
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.copyWorkplane(right_bearing_base)
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.tag("base")
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.rect(tube_h, x_rail_spacing - tube_w)
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.extrude(x_mount_z)
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.center(-ballscrew_x_offset, 0)
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@ -174,6 +197,7 @@ class Gantry:
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)
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self.left_bearing_mount = (
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w.copyWorkplane(self.floating_mount_w)
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.tag("base")
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.transformed(offset=(0, ballscrew_x_offset, 0), rotate=(0, 0, 90))
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.rect(tube_h, x_rail_spacing - tube_w)
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.extrude(x_mount_z)
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@ -217,13 +241,14 @@ class Gantry:
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.copyWorkplane(
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stepper_mount_w.transformed(offset=(0, 0, 0), rotate=(0, 0, 45))
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)
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.tag("base")
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.rect(58.4, 58.4)
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.extrude(5)
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.extrude(stepper_mount_z)
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.copyWorkplane(
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stepper_mount_w.transformed(offset=(0, -ballscrew_x_offset, 0))
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)
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.rect(88, tube_h)
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.extrude(5)
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.extrude(stepper_mount_z)
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.copyWorkplane(
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stepper_mount_w.transformed(offset=(0, 0, 0), rotate=(180, 0, 45))
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)
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@ -307,6 +332,7 @@ class Carriage:
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cq.Workplane()
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.copyWorkplane(back)
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.center(-x - HGR20.L - x_carriage_spacing / 2, -x_rail_spacing / 2)
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.tag("base")
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# .rect(HGR20.L+x_carriage_spacing, HGR20.W+x_rail_spacing)
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.rect(carriage_w, carriage_h)
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.extrude(plate_z2)
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@ -466,6 +492,7 @@ class Carrier:
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cq.Workplane()
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.copyWorkplane(self.plane)
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.transformed(offset=(z_rail_spacing / 2, 0, 0))
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.tag("base")
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.rect(z_spacer_w, z_rail_len)
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.extrude(z_spacer_z)
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)
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@ -473,6 +500,7 @@ class Carrier:
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cq.Workplane()
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.copyWorkplane(self.plane)
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.transformed(offset=(-z_rail_spacing / 2, 0, 0))
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.tag("base")
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.rect(z_spacer_w, z_rail_len)
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.extrude(z_spacer_z)
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)
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@ -481,8 +509,9 @@ class Carrier:
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cq.Workplane()
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.copyWorkplane(self.plane)
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.transformed(offset=(0, 0, z_spacer_z))
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.tag("base")
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.rect(200, z_rail_len)
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.extrude(10)
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.extrude(carrier_plate_z)
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.copyWorkplane(self.plane)
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.center(0, z_rail_len / 2 - 40 / 2)
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.rect(68, 40)
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@ -554,9 +583,10 @@ class Carrier:
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offset=(0, z_rail_len / 2 + 10, 0), rotate=(-90, 0, 0)
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)
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)
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.tag("base")
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.tag("flange_center")
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.rect(100, 50)
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.extrude(5)
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.extrude(stepper_mount_z)
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.workplaneFromTagged("flange_center")
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.transformed(rotate=(180, 0, 0))
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.rect(90, 25, forConstruction=True)
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@ -569,7 +599,7 @@ class Carrier:
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)
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.tag("stepper_center")
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.rect(58.4, 58.4)
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.extrude(5)
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.extrude(stepper_mount_z)
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.workplaneFromTagged("stepper_center")
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.transformed(rotate=(180, 0, 0))
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.rect(47.41, 47.41, forConstruction=True)
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@ -742,7 +772,8 @@ full_assembly = (
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.add(m.assembly(), name="spindle mount")
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)
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show_object(full_assembly)
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# show_object(ca.assembly())
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# show_object(c.assembly())
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# show_object(g.assembly())
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if __name__ == "__main__":
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show_object(full_assembly)
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# show_object(ca.assembly())
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# show_object(c.assembly())
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# show_object(g.assembly())
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23
utils.py
23
utils.py
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@ -8,7 +8,7 @@ import localselectors
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class SFU1204:
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def __init__(self, base, l):
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self.w = base.workplane()
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self.w = cq.Workplane().copyWorkplane(base.workplane())
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self.len = l
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def ballscrew(self):
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@ -25,14 +25,16 @@ class SFU1204:
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(self.len, 8 / 2),
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(self.len, 0),
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]
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w = self.w.moveTo(0, 0)
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w = cq.Workplane().copyWorkplane(self.w).moveTo(0, 0)
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for v in profile[1:]:
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w = w.lineTo(v[1], v[0])
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w = w.close()
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return w.revolve()
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def nut(self, x):
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w = self.w.transformed(offset=(0, x, 0), rotate=(90, 0, 0))
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w = cq.Workplane().copyWorkplane(
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self.w.transformed(offset=(0, x, 0), rotate=(90, 0, 0))
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)
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n = (
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w.sketch()
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.circle(40 / 2)
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@ -62,7 +64,11 @@ class SFU1204:
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return n
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def nutHoles(self, solid, x):
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w = self.w.transformed(offset=(0, x, 0), rotate=(90, 0, 0))
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w = (
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cq.Workplane()
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.copyWorkplane(self.w)
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.transformed(offset=(0, x, 0), rotate=(90, 0, 0))
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)
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hole_r = 32 / 2
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hole_pts = [
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(
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@ -403,9 +409,12 @@ def inch(x):
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def tubing(l, x, y, w, workplane):
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return workplane.placeSketch(
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cq.Sketch().rect(x, y).rect(x - 2 * w, y - 2 * w, mode="s")
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).extrude(l)
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return (
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cq.Workplane()
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.copyWorkplane(workplane)
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.placeSketch(cq.Sketch().rect(x, y).rect(x - 2 * w, y - 2 * w, mode="s"))
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.extrude(l)
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)
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if __name__ == "__main__":
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