codeCAD/drops.py
2025-12-22 16:23:27 +01:00

305 lines
9.1 KiB
Python

#%%
from build123d import *
from ocp_vscode import *
from bd_animation import AnimationGroup, clone, normalize_track
import copy
#%%
text = Text("z",
font_size=8.0,
font_path="/usr/share/fonts/truetype/ebgaramond/EBGaramond12-Bold.ttf",
font_style=FontStyle.BOLD,)
show(text)
set_defaults(reset_camera=Camera.KEEP, render_joints=True, helper_scale=8)
#%%
ri=3
r=4
with BuildPart() as drops:
# Start with the plan of the key cap and extrude it
with BuildSketch() as plan:
RegularPolygon(ri,7,rotation=90)
with BuildSketch(Plane.XY.offset(2)) as planb:
Circle(r)
loft()
with BuildSketch(Plane.XY.offset(2)) as planc:
Circle(r)
extrude(amount=2)
with BuildSketch() as txt:
add(text)
extrude(amount=0.25, mode=Mode.SUBTRACT)
#chamfer(drops.edges(), length=0.05)
mirror(about=Plane.XZ, mode=Mode.REPLACE)
show(drops)
# %%
with BuildPart() as pezdrops:
# Start with the plan of the key cap and extrude it
with BuildSketch() as plan:
RectangleRounded(15,8, 3)
extrude(amount=5)
with BuildSketch(Plane.XY) as planb:
RectangleRounded(11,4, 0.5)
with BuildSketch(Plane.XY.offset(2)) as planc:
SlotCenterToCenter(7,2)
loft(mode=Mode.SUBTRACT)
fillet(pezdrops.faces().sort_by(Axis.Z)[0].edges(), radius=1)
show(pezdrops)
# %%
with BuildPart() as mold:
with Locations((0,0,1)):
Box(108,108,3)
with GridLocations(7+1, 8, 10, 10):
add(copy.copy(drops), mode=Mode.SUBTRACT)
show(mold)
# %%
with BuildPart() as pezmold:
with Locations((0,0,2)):
Box(116,112,7)
with Locations((0,0,1.5)):
Box(112,108,6,mode=Mode.SUBTRACT)
with GridLocations(17, 10, 6, 10,align=(Align.CENTER, Align.CENTER)):
add(copy.copy(pezdrops))
show(pezmold)
# %%
with BuildPart() as mold_for_mold:
n = 10
pad = 5
dxy=10
w = (dxy)*n+2*pad
wi = w-4
with Locations((0,0,1)):
Box(w, w, 6)
with Locations((0,0,1)):
Box(wi,wi,3, mode=Mode.SUBTRACT)
#with HexLocations(r+1,10,8):
with GridLocations(dxy, dxy, n, n):
add(copy.copy(drops), mode=Mode.ADD, rotation=(0,0,0))
with Locations((0,0,-2.5)):
Box(wi,wi,4, mode=Mode.SUBTRACT)
#add(mold, mode=Mode.SUBTRACT,rotation=180)
show(mold_for_mold)
# %%
#export_step(mold_for_mold.part, "zdrops8mm_mold_for_mold2.step")
# %%
#export_step(pezmold.part, "pezmold.step")
# %%
nHoles = 10
vol_ml = 0.3 # millilitiers = 1/1000 * 10cm*10cm*10cm = 100mm*100mm*100mm/1000 = 1000mm³
vol = vol_ml * 1000
r = 4 # millimeters
ri = 2
rrod=1
rodlen=100
tol = 0.05
A = 3.14*r*r
t = vol/A # liter/meter
wt = 1
l, w, h = (r+wt)*2, (r*2+wt)*(nHoles+0.5), t+4
with BuildPart() as pumpcylindercutout:
with BuildSketch() as holes_sk:
Circle(r)
extrude(amount=t)
with BuildSketch(pumpcylindercutout.faces().sort_by(Axis.Z)[0]) as rodhole_sk:
Circle(rrod+tol)
extrude(amount=10)
chamfer(pumpcylindercutout.edges().sort_by(Axis.Z)[3],2)
show(pumpcylindercutout)
#%%
with BuildPart() as oese:
c=Cylinder(3,2,rotation=(0,90,0))
fillet(c.edges().filter_by(GeomType.CIRCLE), 0.9)
Cylinder(1.5,2,rotation=(0,90,0), mode=Mode.SUBTRACT)
show(oese)
#%%
with BuildPart() as pumpvalverod:
rodlen=100
#Cylinder(3,4)
#with Locations((0,0,rodlen/2-10)):
# Cylinder(rrod,rodlen)
with BuildSketch(Plane.YZ) as sk:
with BuildLine() as outline:
d=2
hn=1
l1=CenterArc((0,-rrod),rrod,270,90)
l2=Line(l1@1,(rrod,hn))
l3=Line(l2@1,(rrod+d,hn+d))
l4=Line(l3@1,(rrod,hn+2*d))
l5=Line(l4@1,(rrod,rodlen))
l6=CenterArc((0,rodlen),rrod,0,90)
l7=Line(l6@1,l1@0)
make_face()
revolve()
fillet(pumpvalverod.edges().sort_by(Axis.Z)[5],0.5)
with Locations((0,0,rodlen-3.5),(0,0,rodlen-11.5)):
with Locations((-rrod,0,0),(rrod,0,0)):
Box(rrod,7,4, mode=Mode.SUBTRACT)
show(pumpvalverod)
# %%
with BuildPart() as pumpcylinder:
rodlen=80
Cylinder(r, rodlen)
with Locations((0,0,-rodlen/2+t/2)):
Cylinder(ri, t,mode=Mode.SUBTRACT)
#chamfer(pumpcylinder.edges()[4],1)
with Locations((0,0,t/2)):
Box(ri*2,r*2,rodlen-t,mode=Mode.SUBTRACT)
with Locations((0,0,-rodlen/2+t+1)):
Box(ri*2,r*3,r*3,rotation=(45,0,0), mode=Mode.SUBTRACT)
Box(ri*2,r*3,r*3, mode=Mode.SUBTRACT)
with Locations((0,-ri-1,-2),(0,ri+1,-2)):
Box(r*2,ri+2,rodlen-t-4,mode=Mode.SUBTRACT)
#s=pumpcylinder.edges().group_by(Axis.Z)[2]
#filter_by(GeomType.CIRCLE,reverse=True)#.filter_by(Axis.X.is_parallel)
#fillet( s[0:2],1)
chamfer(pumpcylinder.edges().group_by(Axis.Z)[0][1],1)
show(pumpcylinder)
#%%
with BuildPart() as pumpcylinderblock:
Box(l,w,h)
f = pumpcylinderblock.faces()[5].offset(-t)
#with GridLocations()
with Locations((0,0,h/2-t)):
with GridLocations(0,r+wt+r,1,nHoles):
add(pumpcylindercutout,mode=Mode.SUBTRACT)
chamfer(pumpcylinderblock.edges().group_by(Axis.Z)[-1].filter_by(GeomType.CIRCLE), 0.4)
RigidJoint("slide", joint_location=Location(Plane.XY))
show(pumpcylinderblock)
#%%
with BuildPart() as stand:
ws = 120
wsx=60
with Locations((0,0,-h/2)):
Box(wsx,ws,4)
Box(wsx-4,ws-4,4,mode=Mode.SUBTRACT)
Box(wsx,4,4)
Box(4,ws,4)
with Locations((0,0,-1)):
Box(l+2,w+2,h+2)
Box(l,w,h, mode=Mode.SUBTRACT)
with BuildSketch(Plane.XY.offset(-(h+2)/2+3)):
RectangleRounded(l-3,w-3,3)
extrude(amount=-10, mode=Mode.SUBTRACT)
with BuildPart() as standfoot:
hs=50
ws=12
Box(ws,ws,hs)
ds=2
with Locations((-ds,-ds,0)):
Box(ws-ds,ws-ds,hs,mode=Mode.SUBTRACT)
with Locations((0,0,hs/2-2)):
Box(ws,4,4,mode=Mode.SUBTRACT)
Box(4,ws,4,mode=Mode.SUBTRACT)
#extrude(amount=4)
#offset(amount=-1.9, openings=[stand.faces().sort_by(Axis.Z)[-1]])
show(standfoot)
#%%
with BuildPart() as pumpcylinderrods:
with Locations((0,0,h/2-t-2-rrod)):
with GridLocations(0,r+wt+r,1,nHoles):
add(copy.copy(pumpvalverod))
with BuildPart() as pumpcylinders:
with Locations((0,0,h/2-t+rodlen/2)):
with GridLocations(0,r+wt+r,1,nHoles):
add(copy.copy(pumpcylinder),rotation=(0,0,90))
LinearJoint("cylinders", axis=Axis.Z, linear_range=(-t, t))
pumpcylinderblock.part.joints["slide"].connect_to(pumpcylinders.joints["cylinders"])
show(pumpcylinderblock,stand,pumpcylinderrods,pumpcylinders,render_joints=True)#, pumpcylindercutout)# %%
# %%
pumpcylinder.edges().group_by(Axis.Z)[1]
# %%
with BuildPart() as hopper:
with BuildSketch(Plane.XY.offset(h/2)) as down_sk:
RectangleRounded(l,w,4)
with BuildSketch(Plane.XY.offset(60)) as up_sk:
with Locations((20,0)):
RectangleRounded(l+50,w+50, 8)
loft()
offset(amount=-0.5, openings=[hopper.faces().sort_by(Axis.Z)[0],\
hopper.faces().sort_by(Axis.Z)[-1]])
#show(hopper)
show(pumpcylinderblock,pumpcylinderrods,pumpcylinders,hopper,render_joints=True)#, pumpcylindercutout)# %%
# %%
show(hopper,hopper.faces().sort_by(Axis.Z)[-1])
# %%
hopperblock = pumpcylinderblock.part + hopper.part
show(hopperblock)
# %%
export_step(hopperblock, "machineparts/hopperblock.step")
export_step(stand.part, "machineparts/stand.step")
export_step(standfoot.part, "machineparts/standfoot.step")
export_step(pumpvalverod.part, "machineparts/valverod.step")
export_step(pumpcylinder.part, "machineparts/pumpcylinder.step")
# %%
with BuildPart() as idb_holder:
Box(24,46,8)
with Locations((0,0,1)):
with GridLocations(7,7,3,6):
Cylinder(2.3,6,mode=Mode.SUBTRACT)
fillet(idb_holder.edges().filter_by(GeomType.CIRCLE), radius=1)
fillet(idb_holder.edges().filter_by(Axis.Z), radius=5)
fillet(idb_holder.edges().group_by(Axis.Z)[-1].filter_by(GeomType.LINE)[0], radius=1.5)
show(idb_holder)
# %%
show(idb_holder, idb_holder.edges().group_by(Axis.Z)[-1].filter_by(GeomType.LINE)[0])
# %%
export_step(idb_holder.part, "idb_holder.step")
# %%
def step_profile(stepfile="/home/hbrs/Downloads/tmp/I_slot_5_20x40.stp"):
iprofile = import_step(stepfile)
iface = iprofile.faces().sort_by(Axis.Z)[0]
def buildfn(length=50):
with BuildPart() as profile:
with BuildSketch() as profile_sk:
add(iface)
extrude(amount=length)
return Pos(0,13.3765,0)*Rot(0,0,90)*profile.part
return buildfn
iprofile=step_profile()
# %%
hp = 260
w = 240
w1 = w+40
w2 =hp+20
w3 = hp + 40
profiles= [ \
Pos(0,0,0)*Rot(0,0,90)*iprofile(hp), \
Pos(w1,0,0)*Rot(0,0,90)*iprofile(hp), \
Pos(0,w2,0)*Rot(0,0,90)*iprofile(hp), \
Pos(w1,w2,0)*Rot(0,0,90)*iprofile(hp), \
Pos(0,w2,0)*Rot(90,90,0)*iprofile(w), \
Pos(0,0,0)*Rot(90,90,0)*iprofile(w), \
Pos(-40,20,40)*Rot(-90,0,0)*iprofile(hp), \
Pos(hp,20,40)*Rot(-90,0,0)*iprofile(hp), \
Pos(0,0,w2)*Rot(-90,0,90)*iprofile(w3), \
Pos(w2,0,w2)*Rot(-90,0,90)*iprofile(w3), \
Pos(w2/2,0,60)*Rot(-90,0,90)*iprofile(w3), \
]
show(*profiles)#, hopperblock)
# %%
# %%