wes
/
cq
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity
Browse Source

various improvements to enclosure

master
wes 4 months ago
parent
2aa81b9691
commit
b6ead6c281
1 changed files with 80 additions and 38 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 118
      fan_control_box.py

118
fan_control_box.py
View File

@ -38,12 +38,8 @@ bb_hole_diameter = 2.76
# buck converter
bc_height = 43.18
bc_width = 31.16
bc_hole_dist_from_top = 6.44
bc_hole_dist_from_side = 2.21 # distance to middle of hole as before, also it's the distance from the closer side
bc_hole_diameter = 4.18
bc_height = 29.83 # from center of hole to other hole
bc_width = 15 # from center of hole to other hole, but horizontally
# large buck converter
@ -55,6 +51,9 @@ lbc_hole_dist_from_side = 25.8
lbc_hole_diameter = 5.8
lbc_hole_radius = lbc_hole_diameter / 2.0
pwm_width = 13.45
pwm_height = 34
wall_thickness = 3
# for a box, not octogon
@ -62,7 +61,7 @@ wall_thickness = 3
# box_width = 157 + wall_thickness
box_radius = 87 + wall_thickness
box_thickness = 25
box_thickness = 42
pole_height = box_thickness - 3
inner_pole_height = 13
@ -79,8 +78,9 @@ def make_component_holder_octogon(
x_offset=0,
y_offset=0,
):
pole_height_pct = 0.2
return (
result.workplane(offset=(pole_height / 2) - wall_thickness)
result.workplane(offset=(pole_height / 3) - wall_thickness)
.move(x_offset, y_offset)
.makePolygon(
regularPolygon(
@ -94,7 +94,7 @@ def make_component_holder_octogon(
)
.vertices()
.cylinder(pole_height, 3)
.workplane(offset=(pole_height - wall_thickness + 1.5))
.workplane(offset=(pole_height * (1 - pole_height_pct) - wall_thickness + 2.2))
.move(x_offset, y_offset)
.makePolygon(
regularPolygon(
@ -105,7 +105,9 @@ def make_component_holder_octogon(
)
)
.vertices()
.threadedHole(top_screw, pole_height * 0.6, simple=screw_simple, fit="Close")
.threadedHole(
top_screw, pole_height * pole_height_pct, simple=screw_simple, fit="Close"
)
)
@ -117,9 +119,10 @@ def make_component_holder_line(
line_y_dist=0,
x_offset=0,
y_offset=0,
screw=top_screw,
):
return (
result.workplane(offset=(wall_thickness / 2.0))
result.workplane(offset=-wall_thickness)
.move(x_offset, y_offset)
.line(
line_x_dist,
@ -127,44 +130,77 @@ def make_component_holder_line(
)
.vertices()
.cylinder(inner_pole_height, pole_radius)
.workplane(offset=(wall_thickness * 2) + 3.7)
.workplane(offset=(wall_thickness * 1.7))
.move(x_offset, y_offset)
.line(
line_x_dist,
line_y_dist,
)
.vertices()
.threadedHole(top_screw, inner_pole_height, simple=screw_simple, fit="Close")
.threadedHole(screw, inner_pole_height, simple=screw_simple, fit="Close")
)
def make_component_holder(
result,
pole_dist,
pole_height=0,
pole_height=inner_pole_height,
pole_radius=3,
box_width=None,
box_height=None,
x_offset=0,
y_offset=0,
screw=top_screw,
):
return (
result.workplane(offset=(wall_thickness / 2.0))
result.workplane(offset=-wall_thickness)
.move(x_offset, y_offset)
.rect(
box_height,
box_width,
)
.vertices()
.cylinder(inner_pole_height, pole_radius)
.workplane(offset=(wall_thickness * 2) + 3.7)
.cylinder(pole_height, pole_radius)
.workplane(offset=wall_thickness * 1.7)
.move(x_offset, y_offset)
.rect(
box_height,
box_width,
)
.vertices()
.threadedHole(screw, pole_height, simple=screw_simple, fit="Close")
)
def make_component_holder_self_tapping(
result,
pole_dist,
pole_height=inner_pole_height,
pole_radius=3,
box_width=None,
box_height=None,
x_offset=0,
y_offset=0,
thread_diameter=1.2,
):
thread_radius = thread_diameter / 2.0
return (
result.workplane(offset=-wall_thickness)
.move(x_offset, y_offset)
.rect(
box_height,
box_width,
)
.vertices()
.cylinder(pole_height, pole_radius)
.workplane(offset=(wall_thickness))
.move(x_offset, y_offset)
.rect(
box_height,
box_width,
)
.vertices()
.threadedHole(top_screw, inner_pole_height, simple=screw_simple, fit="Close")
.cylinder(pole_height * 0.7, thread_radius, combine="cut")
)
@ -207,20 +243,10 @@ lower_box = make_component_holder_octogon(
lower_box, pole_height, pole_dist, box_radius, x_offset=0, y_offset=0
)
"""
lower_box = make_component_holder(
lower_box,
pole_dist,
pole_height,
box_width,
box_height,
)
"""
lower_box = make_component_holder(
lower_box,
pole_dist,
pole_height=5,
pole_height=inner_pole_height,
box_width=breadboard_width,
box_height=breadboard_height,
x_offset=0,
@ -229,7 +255,7 @@ lower_box = make_component_holder(
lower_box = make_component_holder_line(
lower_box,
pole_height=5,
pole_height=inner_pole_height,
line_x_dist=breadboard_height + 3.8,
line_y_dist=0,
x_offset=-(breadboard_height / 2.0) - 1.9,
@ -237,15 +263,9 @@ lower_box = make_component_holder_line(
)
bc_pole_radius = 4
lower_box = lower_box.workplane(offset=-4).move(0, -50).box(lbc_width - 5, 5, 13)
lower_box = (
lower_box.workplane(offset=(wall_thickness / 2.0))
.move(0, -50)
.box(lbc_width - 5, 5, 13)
)
lower_box = (
lower_box.workplane(offset=(wall_thickness / 2.0))
.move(0, bc_pole_radius)
.box(lbc_width - 5, 5, 13)
lower_box.workplane(offset=-4).move(0, bc_pole_radius).box(lbc_width - 5, 5, 13)
)
lower_box = make_component_holder_line(
@ -258,6 +278,28 @@ lower_box = make_component_holder_line(
y_offset=-(lbc_width - lbc_hole_diameter - lbc_hole_radius + 1.1),
)
# small buck converter
lower_box = make_component_holder(
lower_box,
pole_dist,
pole_height=inner_pole_height,
box_width=bc_height,
box_height=bc_width, # yes they're reversed on purpose
x_offset=50,
y_offset=-30,
)
# mosfets
lower_box = make_component_holder_self_tapping(
lower_box,
pole_dist,
pole_height=inner_pole_height,
box_width=pwm_height,
box_height=pwm_width, # yes they're reversed on purpose
x_offset=-55,
y_offset=15,
)
# lower_box = lower_box.workplane(offset=(wall_thickness / 2.0)).box(lbc_height, 5, 13)
cq.exporters.export(lower_box, "/home/deck/model_files/fan_control_box_lower.stl")

Write Preview
Loading…
Cancel
Save