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70 lines
1.7 KiB
OpenSCAD
70 lines
1.7 KiB
OpenSCAD
include <config.scad>
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use <GDMUtils.scad>
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use <acme_screw.scad>
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$fa=2;
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$fs=1;
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module adjustment_screw(slop=0) {
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d = adjust_screw_diam+slop;
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h = adjust_screw_length;
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pitch = adjust_screw_pitch;
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pa = adjust_screw_angle;
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knob_h = adjust_screw_knob_h;
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knob_d = adjust_screw_knob_d;
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slot_w = 2;
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up(h/2) {
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up(knob_h) {
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difference() {
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// Threads
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down(0.05) acme_threaded_rod(d=d, l=h+0.1, thread_depth=adjust_thread_depth, pitch=pitch, thread_angle=pa);
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// Bevel thread ends.
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up(h/2-2+0.05) {
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difference() {
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cylinder(d=d+1, h=2, center=false);
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down(0.05) cylinder(d1=d, d2=d-4, h=2.1, center=false);
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}
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}
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}
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}
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// Screw head
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down(h/2-knob_h/2) {
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difference() {
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cylinder(h=knob_h, d=knob_d, center=true);
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down(25/2) {
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xrot(90) cylinder(d=25, h=slot_w, center=true);
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yrot(90) cylinder(d=25, h=slot_w, center=true);
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}
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}
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}
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}
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}
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//!adjustment_screw();
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module test_nut(slop=0) {
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d = adjust_screw_diam+slop;
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pitch = adjust_screw_pitch;
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nut_h = adjust_screw_diam;
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nut_d = 16/cos(360/6/2);
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difference() {
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cylinder(d=nut_d, h=nut_h, center=false, $fn=6);
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down(5+1) adjustment_screw(slop=slop);
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down(5+1+printer_slop) adjustment_screw(slop=slop);
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up(adjust_thread_depth/2) cylinder(d1=d+1, d2=d-2*adjust_thread_depth, h=adjust_thread_depth+1/2+0.05, center=true);
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up(nut_h-adjust_thread_depth/2) cylinder(d1=d-2*adjust_thread_depth, d2=d+1, h=adjust_thread_depth+1/2+0.05, center=true);
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}
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}
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module adjustment_screw_parts() { // make me
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adjustment_screw();
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//right(20) test_nut(slop=2*printer_slop);
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}
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adjustment_screw_parts();
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// vim: noexpandtab tabstop=4 shiftwidth=4 softtabstop=4 nowrap
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