132 lines
4.0 KiB
OpenSCAD
132 lines
4.0 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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include <./lm8uu_holder.scad>
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bottom_thickness = 4;
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base_width = 20;
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base_length = 25;
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base_screw_diameter = 5;
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motor_width = 43;
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motor_length = 49; // not used
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motor_screw_distance = 31.3;
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motor_center_diameter = 23;
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motor_screw_diameter = 3.7;
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motor_screw_head_diameter = 8;
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bearing_diameter = 22.4;
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M8_rod_diameter = 8.2;
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axis_distance = 21;
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wall_thickness = 5;
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wall_height = motor_width;
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wall_width = 54;
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idler_width = 25;
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lbearing_holder_length = 23*2;
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Z_threaded_pos = motor_width/2+axis_distance;
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Z_smooth_rods_sep = 55;
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// Derived from Spindle mount for ShapeOko by Misan (http://www.thingiverse.com/thing:26740)
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module spindle_holder(length=50,showSpindle=true) {
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$fn=6;
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translate([0,38,0]) rotate([0,0,180]) {
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if(showSpindle) scale([1,1,-1]) translate([0,0,-length]) {
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translate([0,0,85]) color([0.95,0.95,0.95]) cylinder(r=26,h=30,$fn=60);
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translate([0,0,80]) color([0.95,0.95,0.95]) cylinder(r=10/2,h=5,$fn=60);
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translate([0,0,-10]) color([0.6,0.6,0.6]) cylinder(r=26,h=90,$fn=60);
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translate([0,0,-40]) color([0.9,0.9,0.9]) cylinder(r=15/2,h=40,$fn=60);
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translate([0,0,-50]) color([0.4,0.4,0.4]) cylinder(r=20/2,h=10,$fn=60);
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translate([0,0,-50-20]) color([0.9,0.9,0.9]) cylinder(r1=1/2,r2=3/2,h=20,$fn=60);
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}
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difference() {
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union() {
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cylinder(r=30,h=length,$fn=60);
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translate ([-30,0,0]) cube([60,38,length]);
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translate([28,-7,0]) cube([20,20,length]);
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}
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translate([0,0,-0.05]) cylinder(r=26,h=length+2,$fn=60);
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translate([0,0,-0.01]) cube([90,3,length+2]);
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translate ([40,20,3*length/4]) rotate([90,0,0]) cylinder(r=2,h=30);
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translate ([40,20,length/4]) rotate([90,0,0]) cylinder(r=2,h=30);
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translate ([40,14,3*length/4]) rotate([90,0,0]) cylinder(r=3.5,h=4,$fn=6);
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translate ([40,14,length/4]) rotate([90,0,0]) cylinder(r=3.5,h=4,$fn=6);
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difference() {
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translate ([-30+15,0,-0.1]) cube([30,38.1,30]);
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cylinder(r=26+1,h=length,$fn=60);
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}
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}
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}
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}
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module motor_stand_no_base_Z(with_motor=true) {
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difference() {
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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=4,cres=10);
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// Position relative to motor shaft
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translate([motor_width/2,motor_width/2,wall_thickness/2]) {
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if(with_motor) {
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// Hole for the motor shaft
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translate([0,-wall_width/2,0])
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cube([20,wall_width,10*wall_thickness],cr=4,cres=10,center=true);
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cylinder(r=motor_center_diameter/2,h=10*wall_thickness,center=true,$fn=40);
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// Screws for holding the motor
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for(i=[-1,1]) for(j=[-1,1])
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translate([i*motor_screw_distance/2,j*motor_screw_distance/2,0]) {
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cylinder(r=motor_screw_diameter/2,h=10*wall_thickness,center=true,$fn=40);
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cylinder(r=motor_screw_head_diameter/2,h=10*wall_thickness,center=false,$fn=40);
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}
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} // End if with motor
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// Bearing holes
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rotate([0,0,0]) translate([0,axis_distance,0]) {
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cylinder(r=(M8_rod_diameter*2)/2,h=10*wall_thickness,center=true,$fn=40);
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cylinder(r=bearing_diameter/2,h=10*wall_thickness,center=false,$fn=60);
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}
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} // End of translate relative to motor shaft
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} // End of difference
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}
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module motor_stand_Z(with_motor=true) {
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union() {
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motor_stand_no_base_Z(with_motor);
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}
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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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module Z_carriage(showSpindle=false) {
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rotate([0,0,-90]) translate([-wall_height/2,-Z_threaded_pos,0]) {
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motor_stand_Z();
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translate([wall_height/2,wall_width-4,0]) spindle_holder(lbearing_holder_length,showSpindle);
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translate([wall_height/2-Z_smooth_rods_sep/2,Z_threaded_pos,lbearing_holder_length/2]) rotate([-90,0,0]) lm8uu_bearing_holder_XZ(lbearing_holder_length);
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translate([wall_height/2+Z_smooth_rods_sep/2,Z_threaded_pos,lbearing_holder_length/2]) rotate([-90,0,0]) lm8uu_bearing_holder_XZ(lbearing_holder_length);
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}
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}
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Z_carriage(showSpindle=false);
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