218 lines
6.5 KiB
OpenSCAD
218 lines
6.5 KiB
OpenSCAD
// Cyclone PCB Factory: a 3D printable CNC machine for PCB manufacture
|
|
// Created by Carlosgs (http://carlosgs.es)
|
|
// License: Attribution - Share Alike - Creative Commons (http://creativecommons.org/licenses/by-sa/3.0/)
|
|
|
|
use <../libs/obiscad/bcube.scad>
|
|
use <../libs/obiscad/bevel.scad>
|
|
use <../libs/build_plate.scad>
|
|
use <../libs/teardrop.scad>
|
|
|
|
include <./lm8uu_holder.scad>
|
|
|
|
cyl_res = 40;
|
|
|
|
layer_height = 0.4;
|
|
|
|
X_smooth_rods_sep = 50;
|
|
X_smooth_rods_sep_projected = sqrt((X_smooth_rods_sep*X_smooth_rods_sep)/2); // Be careful with this measure, it is not properly named since it is used with the following offset:
|
|
smooth_rod_margin = 1;
|
|
|
|
X_rod_sep_real = X_smooth_rods_sep_projected+smooth_rod_margin;
|
|
X_rod_sep_real_diag = sqrt(2*(X_rod_sep_real*X_rod_sep_real));
|
|
|
|
screw_diam = 4;
|
|
|
|
M8_rod_diam = 8.2;
|
|
M8_rod_hole_diam = M8_rod_diam+0.2;
|
|
|
|
M8_nut_diameter = 15.3;
|
|
|
|
// Adjust these values to match the thickness of the nuts you will use
|
|
M8_nut_height_Z = 4;
|
|
M8_nut_height_X = 1+6.5;
|
|
|
|
X_axis_nut_support_thickness = 10;
|
|
|
|
X_nut_screw_diam = 2.5;
|
|
|
|
lbearing_length = 24;
|
|
|
|
Z_smooth_rods_sep = 55;
|
|
Z_smooth_rods_len = 140;
|
|
|
|
Z_threaded_rod_len = 120;
|
|
|
|
lbearing_holder_length = Z_smooth_rods_sep+M8_rod_diam+5;
|
|
|
|
module rod(len=100) {
|
|
color([0.8,0.8,0.8])
|
|
rotate([90,0,0])
|
|
cylinder(r=8/2,h=len,center=true,$fn=30);
|
|
}
|
|
|
|
module rodHole(len=100,radius=M8_rod_hole_diam/2, truncateMM=1) {
|
|
color([0.8,0.8,0.8])
|
|
rotate([90,-90,0])
|
|
translate([0,0,-len/2])
|
|
teardrop(radius, len, truncateMM);
|
|
}
|
|
|
|
module X_nut_holder() {
|
|
difference() {
|
|
translate([0,0,11.5])
|
|
cube([M8_nut_diameter+2,10,25],center=true);
|
|
rotate([0,45,0]) translate([0,0,-16])
|
|
cube([20,20,20],center=true);
|
|
rotate([-90,0,0]) hull() {
|
|
translate([0,-1,1.5])
|
|
rotate([0,0,90])
|
|
cylinder(r=M8_nut_diameter/2,h=M8_nut_height_X,$fn=6);
|
|
translate([0,10,1.5])
|
|
rotate([0,0,90])
|
|
cylinder(r=M8_nut_diameter/2,h=M8_nut_height_X,$fn=6);
|
|
}
|
|
rotate([90,0,0])
|
|
rotate([0,0,90])
|
|
cylinder(r=M8_rod_diam/2+2,h=40,center=true,$fn=6);
|
|
translate([-4,0,10])
|
|
rotate([90,0,0])
|
|
cylinder(r=X_nut_screw_diam/2,h=40,center=true,$fn=20);
|
|
}
|
|
}
|
|
|
|
module X_nut_holder_cover() {
|
|
X_nut_screw_diam = X_nut_screw_diam*1.2;
|
|
scale([1,1,-1]) rotate([-90,0,0])
|
|
difference() {
|
|
translate([0,0,7])
|
|
cube([M8_nut_diameter+2,3,17],center=true);
|
|
rotate([0,45,0]) translate([0,0,-16])
|
|
cube([20,20,20],center=true);
|
|
|
|
rotate([0,45,0]) translate([0,0,19])
|
|
cube([60,20,20],center=true);
|
|
|
|
rotate([-90,0,0]) hull() {
|
|
translate([0,-1,0.5])
|
|
rotate([0,0,90])
|
|
cylinder(r=M8_nut_diameter/2,h=M8_nut_height_X,$fn=6);
|
|
translate([0,10,0.5])
|
|
rotate([0,0,90])
|
|
cylinder(r=M8_nut_diameter/2,h=M8_nut_height_X,$fn=6);
|
|
}
|
|
rotate([90,0,0])
|
|
rotate([0,0,90])
|
|
cylinder(r=M8_rod_diam/2+2,h=40,center=true,$fn=6);
|
|
translate([-4,0,10])
|
|
rotate([90,0,0])
|
|
cylinder(r=X_nut_screw_diam/2,h=40,center=true,$fn=20);
|
|
}
|
|
}
|
|
|
|
module X_carriage(show_printbed = 0, show_support = 0) {
|
|
if(show_printbed) {
|
|
//for display only, doesn't contribute to final object
|
|
translate([0,0,-lbearing_holder_width/2])
|
|
build_plate(3,110,140);
|
|
}
|
|
|
|
difference() {
|
|
|
|
union() {
|
|
|
|
// Origin is set on the base of the Z threaded rod
|
|
// ---------- Support for the X nut -------------
|
|
translate([-X_rod_sep_real/2,-lbearing_holder_length/2+X_axis_nut_support_thickness/2,0]) {
|
|
rotate([0,45,0]) X_nut_holder();
|
|
}
|
|
|
|
// Now, the origin is set on the top smooth rod, and we make a 45deg turn
|
|
translate([-X_rod_sep_real/2,0,X_rod_sep_real])
|
|
rotate([0,45,0]) {
|
|
// --------- Linear bearing supports ------------
|
|
lm8uu_bearing_holder_XZ(lbearing_holder_length);
|
|
translate([X_rod_sep_real_diag,0,0])
|
|
lm8uu_bearing_holder_XZ(lbearing_holder_length);
|
|
difference() {
|
|
union() { // Join both linear bearing holders
|
|
translate([X_rod_sep_real_diag/2,0,lbearing_holder_height/4+2])
|
|
cube([X_rod_sep_real_diag+8,lbearing_holder_length,lbearing_holder_height/2],center=true);
|
|
rotate([0,-45,0]) // Draw a cube for the Z nut holder
|
|
translate([M8_nut_diameter,0,0])
|
|
cube([M8_nut_diameter*1.5,lbearing_holder_length,lbearing_holder_height/2],center=true);
|
|
}
|
|
// Leave clear the inside of the bearing holders
|
|
rotate([90,0,0]) {
|
|
cylinder(r=lbearing_holder_extDiam-1, h=lbearing_holder_length+0.1, center=true, $fn=40);
|
|
translate([X_rod_sep_real_diag,0,0])
|
|
cylinder(r=lbearing_holder_extDiam-1, h=lbearing_holder_length+0.1, center=true, $fn=40);
|
|
}
|
|
}
|
|
}
|
|
|
|
// ------- Z smooth rods holder -------
|
|
translate([0,Z_smooth_rods_sep/2,30/2])
|
|
cube([M8_rod_diam+9,M8_rod_diam+5,50],center=true);
|
|
translate([0,-Z_smooth_rods_sep/2,30/2])
|
|
cube([M8_rod_diam+9,M8_rod_diam+5,50],center=true);
|
|
if(show_support) translate([0,0,-10+2/2])
|
|
cube([M8_rod_diam+9,lbearing_holder_length,2],center=true);
|
|
|
|
} // End of union
|
|
|
|
// -------- Z axis rod holes --------
|
|
translate([0,0,40-M8_nut_height_Z])
|
|
cylinder(r=M8_nut_diameter/2,h=100,$fn=6);// Nut holder (Z)
|
|
rotate([90,0,0]) {
|
|
translate([0,70/2-5,0]) // --- Hole for the threaded rod ---
|
|
rodHole(len=50,radius=M8_rod_diam/2+2, truncateMM=2.5);
|
|
translate([0,Z_smooth_rods_len/2-5,Z_smooth_rods_sep/2])
|
|
rodHole(len=Z_smooth_rods_len);
|
|
translate([0,Z_smooth_rods_len/2-5,-Z_smooth_rods_sep/2])
|
|
rodHole(len=Z_smooth_rods_len);
|
|
}
|
|
|
|
} // End of difference
|
|
}
|
|
|
|
|
|
module X_carriage_assembled(show_printbed = 0, show_Xrods = 0, show_Zrods = 0) {
|
|
X_carriage(show_printbed);
|
|
|
|
if(show_Xrods){
|
|
// ---- Rods (for reference) ----
|
|
translate([-X_rod_sep_real/2,0,0]) {
|
|
color([0.5,0.5,0.5]) rod(len=100);
|
|
}
|
|
translate([-X_rod_sep_real/2,0,X_rod_sep_real]) {
|
|
rod(len=100);
|
|
}
|
|
translate([X_rod_sep_real/2,0,0]) {
|
|
rod(len=100);
|
|
}
|
|
}
|
|
if(show_Zrods)
|
|
translate([0,0,0])
|
|
rotate([90,0,0]) {
|
|
translate([0,Z_threaded_rod_len/2-10,0])
|
|
color([0.5,0.5,0.5]) rod(len=Z_threaded_rod_len);
|
|
translate([0,Z_smooth_rods_len/2-5,Z_smooth_rods_sep/2])
|
|
rod(len=Z_smooth_rods_len);
|
|
translate([0,Z_smooth_rods_len/2-5,-Z_smooth_rods_sep/2])
|
|
rod(len=Z_smooth_rods_len);
|
|
}
|
|
}
|
|
|
|
module X_carriage_print_plate() {
|
|
//for display only, doesn't contribute to final object
|
|
build_plate(3,110,140);
|
|
translate([0,0,lbearing_holder_length/2])
|
|
rotate([90,0,0])
|
|
X_carriage(show_printbed = 0, show_support = 1);
|
|
}
|
|
|
|
X_carriage_assembled(show_printbed = 1,show_Xrods = 1,show_Zrods = 1);
|
|
//X_carriage_print_plate();
|
|
|
|
//translate([0,20,0]) X_nut_holder_cover();
|