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Initial upper arm (buggy)

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This commit is contained in:
Roberto Alsina 2022-07-23 12:57:54 -03:00
parent fd31e96623
commit 84cb4ee0ed
2 changed files with 62 additions and 2 deletions
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4
monitor/rear_mount.py
View File

@ -62,11 +62,11 @@ rear_mount = (
.faces(">X") .faces(">X")
.workplane(centerOption="CenterOfBoundBox", offset=-(rear_mount_width-20)/2) .workplane(centerOption="CenterOfBoundBox", offset=-(rear_mount_width-20)/2)
.transformed(rotate=cq.Vector(0, 0, 90)) .transformed(rotate=cq.Vector(0, 0, 90))
.center(-hinge_w / 2, rear_mount_thickness / 2).tag("hingeplane") .center(-hinge_s / 2, rear_mount_thickness / 2).tag("hingeplane")
.placeSketch(hinge_profile_1) .placeSketch(hinge_profile_1)
.extrude(-hinge_t) .extrude(-hinge_t)
.workplaneFromTagged("hingeplane") .workplaneFromTagged("hingeplane")
.workplane(offset=-hinge_t - hinge_w) .workplane(offset=-hinge_t - hinge_)
.placeSketch(hinge_profile_2) .placeSketch(hinge_profile_2)
.extrude(-hinge_t)) .extrude(-hinge_t))

60
monitor/upper_arm.py Normal file
View File

@ -0,0 +1,60 @@
# This is the arm from the tripod to the "elbow"
import cadquery2 as cq
from cadquery2 import exporters
from hinge import hinge_gap, hinge_w, hinge_profile_1, hinge_profile_2, hinge_t
# monitor hinge dimensions
inner_monitor_hinge = 3.2 / 2
outer_monitor_hinge = hinge_w / 2
# tripod hinge dimensions
inner_tripod_hinge = 7.5 / 2
outer_tripod_hinge = 17.5 / 2
tripod_hinge_width = 5.5
monitor_hinge_shape = (
cq.Sketch().circle(outer_monitor_hinge).circle(inner_monitor_hinge, mode="s")
)
tripod_hinge_shape = (
cq.Sketch().circle(outer_tripod_hinge).circle(inner_tripod_hinge, mode="s")
)
arm_width = min(tripod_hinge_width, hinge_gap)
arm_length = 150
lower_arm = (
cq.Workplane("XY")
.rect(arm_width, arm_width)
.extrude(arm_length)
.edges("|Z or <Z or >Z")
.fillet(0.25)
.faces(">Y")
# Add hinge that connects to the monitor
.workplane(
centerOption="CenterOfBoundBox", offset=(hinge_gap - arm_width) / 2
)
.center(0, arm_length / 2 + (outer_monitor_hinge - inner_monitor_hinge))
.placeSketch(monitor_hinge_shape)
.extrude(-hinge_gap)
.center(0, -(arm_length + outer_tripod_hinge))
# Undo previous offset + new offset
.workplane(
offset=-(hinge_gap - arm_width - tripod_hinge_width + arm_width) / 2
)
# Add hinge that connects to the tripod
# Hinge integration
.transformed(rotate=cq.Vector(0, 0, 90))
.center(-hinge_w / 2, 0).tag("hingeplane")
.placeSketch(hinge_profile_1)
.extrude(-hinge_t)
.workplaneFromTagged("hingeplane")
.workplane(offset=-hinge_t - hinge_w)
.placeSketch(hinge_profile_2)
.extrude(-hinge_t)
)
exporters.export(lower_arm, "upper_arm.stl")