131 lines
4.1 KiB
OpenSCAD
131 lines
4.1 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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include <MCAD/metric_fastners.scad>
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include <MCAD/materials.scad>
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use <../libs/obiscad/bcube.scad>
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use <../libs/obiscad/bevel.scad>
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use <../libs/build_plate.scad>
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use <../smooth_rod_fix/smooth_rod_fix.scad>
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motor_stand_thickness = 5;
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bearing_diameter = 22.4;
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M8_rod_diam = 8.2;
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smooth_rod_margin = 1;
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smooth_rod_screw_sep = 8;
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smooth_rod_screw_diam = 3;
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smooth_rod_screw_len = 7;
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frame_thickness = 4;
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bottom_thickness = 4;
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base_screw_diameter = 5;
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Y_rod_height = 40;
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Y_rod_dist_from_wall = 15;
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Y_rod_support_lenght = Y_rod_dist_from_wall+smooth_rod_screw_sep+smooth_rod_screw_diam;
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frame_width = 30;
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frame_height = Y_rod_height-smooth_rod_margin;
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wall_thickness = 5;
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module Y_rod_idler(show_printbed = 0, with_extra_parts=false, exploded=false) {
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if(show_printbed) {
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//for display only, doesn't contribute to final object
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translate([frame_width/2,frame_height/2,0]) build_plate(3,110,140);
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}
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union() {
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// --------- Main frame --------- //
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difference() {
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translate([frame_width/2,frame_height/2,frame_thickness/2])
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cube([frame_width,frame_height,frame_thickness],center=true);
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rotate([0,0,35]) cube([33,frame_height*10,frame_thickness*10],center=true);
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} // End of difference() command
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// --------- Step with screws in the base --------- //
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difference() {
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translate([0,frame_height-bottom_thickness,frame_thickness/2])
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cube([frame_width,bottom_thickness,Y_rod_support_lenght/2],center=false);
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// --------- Screws in the base --------- //
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rotate([90,0,0]) translate([frame_width/3,Y_rod_support_lenght/2.5,-frame_height]) {
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translate([-5,0,0])
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cylinder(r=base_screw_diameter/2,h=2*smooth_rod_screw_len,center=true,$fn=6);
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translate([5,0,0])
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cylinder(r=base_screw_diameter/2,h=2*smooth_rod_screw_len,center=true,$fn=6);
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}
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} // End of difference() command
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// --------- Bevel base supports --------- //
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translate([frame_width-frame_thickness,frame_height,frame_thickness-0.5])
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rotate([90,0,-90])
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bconcave_corner(cr=Y_rod_support_lenght-0.5, cres=0, l=frame_thickness*2, th=0.5, ext_corner=true);
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// --------- Bevel Y rod support --------- //
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translate([frame_width-frame_thickness,frame_height,frame_thickness-2])
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translate([0,-Y_rod_height+smooth_rod_margin,0]) {
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difference() {
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rotate([90,0,90]) // Bevel
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bconcave_corner(cr=Y_rod_support_lenght-smooth_rod_screw_len, cres=0, l=frame_thickness*2, th=smooth_rod_screw_len, ext_corner=true);
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translate([0,-smooth_rod_margin,Y_rod_dist_from_wall]) rotate([0,90,0]) {
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cylinder(r=M8_rod_diam/2,h=10*frame_thickness,center=true,$fn=40);
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// Screws
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rotate([90,0,0]) {
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translate([-smooth_rod_screw_sep,0,-1])
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cylinder(r=smooth_rod_screw_diam/2,h=2*smooth_rod_screw_len,center=true,$fn=6);
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translate([smooth_rod_screw_sep,0,-1])
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cylinder(r=smooth_rod_screw_diam/2,h=2*smooth_rod_screw_len,center=true,$fn=6);
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}
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}
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}
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}
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} // End of union() command
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if(with_extra_parts) {
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if(exploded)
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Y_rod_idler_extras(with_extra_parts=with_extra_parts, exploded_distance=20);
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else
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Y_rod_idler_extras(with_extra_parts=with_extra_parts, exploded_distance=0);
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}
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}
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module Y_rod_idler_extras(exploded_distance=0) {
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// --- Self tapping screw 2.9 x 16mm ---
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rotate([90,0,0]) translate([frame_width/3,Y_rod_support_lenght/2.5,-frame_height+bottom_thickness+.2+exploded_distance])
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rotate([180,0,0]) color(Steel) {
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translate([-5,0,0])
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csk_bolt(2.9, 16);
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translate([5,0,0])
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csk_bolt(2.9, 16);
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}
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// --- Y smooth rod fix ---
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translate([frame_width-frame_thickness,frame_height,frame_thickness-2])
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translate([0,-Y_rod_height+smooth_rod_margin,0])
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translate([0,-smooth_rod_margin-8.5-exploded_distance,Y_rod_dist_from_wall]) rotate([270,90,0])
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smooth_rod_fix(with_extra_parts=true,exploded = (exploded_distance!=0));
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}
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Y_rod_idler(show_printbed = 1);
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//scale([-1,1,1]) Y_rod_idler(show_printbed = 1);
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