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authorMichael Krelin <hacker@klever.net>2018-09-01 15:04:55 (UTC)
committer Michael Krelin <hacker@klever.net>2018-09-01 15:04:55 (UTC)
commitfc5c22aeb877892c1caabf628d2bc675de681ff3 (patch) (side-by-side diff)
tree74a3d550b292a8b0894813b205f928d7a2f90cca
parent2f6d5390149d351d131e294946ba2b948bfd7aca (diff)
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extrudery-fc5c22aeb877892c1caabf628d2bc675de681ff3.tar.gz
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cap springpad calculations for longer screws
Diffstat (more/less context) (show whitespace changes)
-rw-r--r--another.scad5
1 files changed, 3 insertions, 2 deletions
diff --git a/another.scad b/another.scad
index 8ba0d58..6bb0664 100644
--- a/another.scad
+++ b/another.scad
@@ -386,43 +386,44 @@ module the_extruder(
translate([0,0,body_h-label_thickness])
linear_extrude(height=label_thickness+epsilon,convexity=64)
translate([-mount_screwhead_d/2-min_xy_shell-labelspace.x/2,-longwing+(st_split_w+st_split_w_tolerance)/2+min_xy_shell+labelspace.y/2])
mirror([left?0:1,0])
text(text=label,size=labelspace.x/label_len,halign="center",valign="center",font="Arial Black");
}else sphere(d=epsilon); // to avoid makefile breakage
}
module springpad() {
smalld=st_screw_d+st_screw_d_tolerance+min_xy_shell;
bigd = spring_d+spring_d_clearance/2;
hf = (bigd-smalld)/2;
- h = max(hf,fsw-st_screw_l+hf);
+ h = max(hf*2,fsw-st_screw_l+hf);
translate([-gearbox_d/2+fsw-h,-longwing,filament_elevation])
rotate([0,90,0]) difference() {
union() {
cylinder(d1=smalld,d2=bigd,h=hf,$fn=fnd*bigd);
translate([0,0,hf-epsilon])
cylinder(d=bigd,h=h-hf,$fn=fnd*bigd);
translate([0,0,h])
sphere(d=spring_d*3/4,$fn=fnd*spring_d*3/4);
l = body_h-ls_z;
w = sp_ch;
hull() translate([0,-st_split_w/2,0]) mirror([1,0,0]) {
translate([0,0,w])
cube(size=[l,st_split_w,w]);
cube(size=[l-w,st_split_w,2*w]);
}
}
translate([0,0,-epsilon])
- cylinder(d=st_screw_d+st_screw_d_tolerance,h=st_screw_l-fsw+h+2*epsilon,$fn=fnd*(st_screw_d+st_screw_d_tolerance));
+ cylinder(d=st_screw_d+st_screw_d_tolerance,
+ h=min(st_screw_l,fsw-hf)-fsw+h+2*epsilon,$fn=fnd*(st_screw_d+st_screw_d_tolerance));
}
}
module knob() {
ch = knob_indent_d/2;
knob_bore_l = body_h-protrusion_h-pulley_elevation-pulley_h-knob_v_clearance;
translate([0,0,body_h+epsilon]) {
mirror([0,0,1]) translate([0,0,-epsilon]) {
difference() {
cylinder(d=pulley_d,h=knob_bore_l,$fn=fnd*pulley_d);
translate([0,0,-1]) difference() {
cylinder(d=bore_d+knob_bore_d_tolerance,h=knob_bore_l+2);