117 lines
3.4 KiB
OpenSCAD
117 lines
3.4 KiB
OpenSCAD
// Cyclone PCB Factory: a 3D printable CNC machine for PCB manufacture
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// Created by Carlosgs (http://carlosgs.es)
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// License: Attribution - Share Alike - Creative Commons (http://creativecommons.org/licenses/by-sa/3.0/)
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use <../libs/obiscad/bcube.scad>
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use <../libs/build_plate.scad>
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use <../libs/Write/Write.scad>
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// Adjust these values to match the thickness of the nuts you will use
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M8_nut_height_margin = 0.1;
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M8_nut_height = M8_nut_height_margin+6.2;
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Y_rod_height = 40;
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Y_rod_dist_from_workbed = 12.5;
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Y_threaded_rod_height = Y_rod_height-8.218; // Obtained "by sight" using the template 3D assembled model
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Y_threaded_rod_dist_from_workbed = (Y_rod_height-Y_threaded_rod_height)+Y_rod_dist_from_workbed;
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nut_slot_thickness = 1;
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nut_slot_length = 3;
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bottom_thickness = 4;
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base_width = 16;
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base_length = 30;
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base_screw_diameter = 5;
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reinforcement_length = 7.5;
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M8_rod_diameter = 8.2+1;
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M8_nut_diameter = 15.3;
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wall_thickness = 10;
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wall_height = Y_threaded_rod_dist_from_workbed+11.5;
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wall_width = base_width;
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module text(dist=5) {
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lineWidth = 0.5;
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thickness = 2*0.75;
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textSize = 6;
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rotate([0,180,-90])
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write(str(dist," mm"),t=thickness,h=textSize,center=true);
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}
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module nut_holder_no_hole() {
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translate([0,wall_height])
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rotate([0,0,-90])
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union() {
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translate([wall_height/2,wall_width/2,wall_thickness/2])
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bcube([wall_height,wall_width,wall_thickness],cr=2,cres=10);
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difference() {
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union() {
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translate([wall_height-bottom_thickness,wall_width-base_width]) {
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cube([bottom_thickness,base_width,base_length]);
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hull() {
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cube([bottom_thickness,5,10+reinforcement_length]);
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translate([-wall_height+bottom_thickness+5,0,wall_thickness])
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cube([0.001,5,0.001]);
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}
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}
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}
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// --- screws for the base ---
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translate([wall_height,wall_width-5.5,20])
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rotate([0,90,0]) {
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translate([-5,0,0])
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cylinder(r=base_screw_diameter/2,h=100,center=true,$fn=6);
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translate([5,0,0])
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cylinder(r=base_screw_diameter/2,h=100,center=true,$fn=6);
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}
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} // End of difference
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}
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}
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module nut_holder() {
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union() {
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difference() {
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nut_holder_no_hole();
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translate([base_width-3.7,Y_threaded_rod_dist_from_workbed,0]) {
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// Hole for the M8 rod
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hull() {
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cylinder(r=M8_rod_diameter/2,h=100,$fn=25,center=true);
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translate([10,0,0])
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cylinder(r=M8_rod_diameter/2,h=100,$fn=25,center=true);
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}
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// Slot for the M8 nut
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translate([0,0,wall_thickness/2]) {
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cylinder(r=M8_nut_diameter/2,h=M8_nut_height,$fn=6,center=true);
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translate([0,0,M8_nut_height/2-nut_slot_thickness/2])
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cylinder(r=nut_slot_length+(M8_nut_diameter/2),h=nut_slot_thickness,$fn=6,center=true);
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translate([0,0,-(M8_nut_height/2-nut_slot_thickness/2)])
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cylinder(r=nut_slot_length+(M8_nut_diameter/2),h=nut_slot_thickness,$fn=6,center=true);
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}
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//translate([-8,-5,0])
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// text(M8_nut_height-M8_nut_height_margin);
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}
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} // End of difference
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translate([base_width-3.7,Y_threaded_rod_dist_from_workbed,0])
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translate([-8,-5,0])
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text(M8_nut_height-M8_nut_height_margin);
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} // End of union
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}
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module nut_holder_positioned() {
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rotate([90,0,0])
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translate([-(base_width-3.7),0,-wall_thickness/2])
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nut_holder();
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}
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//for display only, doesn't contribute to final object
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build_plate(3,200,200);
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rotate([0,-90,0])
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nut_holder();
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