-// PRUSA iteration3
-// Y drivetrain (idler and stepper holders)
-// GNU GPL v3
-// Josef Průša <josefprusa@me.com>
-// Václav 'ax' Hůla <axtheb@gmail.com>
-// http://www.reprap.org/wiki/Prusa_Mendel
-// http://github.com/prusajr/PrusaMendel
-
-include <configuration.scad>
-
-module motorholder(thickness=10){
- difference(){
- union(){
- // Motor holding part
- translate([29,-21+50,0])
- {
- //#cube([42,42,2], center=true);
- difference(){
- union(){
- translate([-21+4.5,0,5]) cube([9,31,thickness], center=true);
- nema17([0,1,1,0], thickness=thickness, shadow=false);
- mirror([0,0,1])translate([0,0,-10])nema17([0,1,1,0], thickness=thickness, shadow=7);
- // Parts joining part
- translate([-29,-21,0]) cube([14,30,thickness]);
- }
- // Motor mounting holes
- translate([0,0,thickness]) mirror([0,0,1]) nema17([0,1,1,0], thickness=thickness, holes=true);
- }
- }
-
- // Front holding part
- translate([0,10,0]) cylinder(h = thickness, r=8);
- translate([0,20,5]) cube([16,20,thickness], center=true);
- translate([0,30,0]) cylinder(h = thickness, r=8);
- }
- translate([0,10,-1]) cylinder(h = 12, r=4.5);
- translate([0,30,-1]) cylinder(h = 12, r=4.5);
- }
-}
-
-module oval(r=4,l=15,h=2){
-translate([l/2,0,0])cylinder(r=r,h=h,$fn=4);
-translate([-l/2,0,0])cylinder(r=r,h=h,$fn=4);
-translate([0,0,h/2])cube([l,r*2,h],center=true);
-}
-
-
-module idlermount(){
- difference(){
- union(){
- translate([0, idler_bearing[2]/2 - 6, 0] ) cube_fillet([16,40 + idler_bearing[2], 10 + idler_width], vertical = [0,0,0,0], top = [3,0,3,0], bottom = [3,0,3,0], center=true);
- }
-// translate([0,12,-1]) cylinder(h = 120, r=idler_bearing[2]/2 + 1, $fn=7, center=true);
- translate([0,-10,-12]) rotate([0,0,90]) oval(r=4.5,l=12,h=25);
- translate([0,-20,0]) rotate([90,60,0]) cylinder(r=3.4, h=5, $fn=6, center=true);
- translate([0,-20,0]) rotate([90,0,0]) cylinder(r=3.2/2, h=15, $fn=10, center=true);
-
-// translate([0,12,0]) {
-// %cylinder(h = idler_width, r=(idler_bearing[0] / 2) + 2 * single_wall_width, center=true);
-// cylinder(h = idler_width + 1, r=(idler_bearing[0] / 2) + 8, center=true);
-// }
- translate([0,12,0]) {
- idler_assy(idler_bearing);
- translate([0, 10, 0]) cube([20, 20, idler_width + 1], center=true);
- }
-
- }
-}
-
-
-motorholder();
-translate([32,20,8]) rotate([0,90,0]) idlermount();
-
+// PRUSA iteration3
+// Y drivetrain (idler and stepper holders)
+// GNU GPL v3
+// Josef Průša <josefprusa@me.com>
+// Václav 'ax' Hůla <axtheb@gmail.com>
+// http://www.reprap.org/wiki/Prusa_Mendel
+// http://github.com/josefprusa/Prusa3
+
+// ThingDoc entry
+/**
+ * @id yMotorHolder
+ * @name Y Axis Motor Holder
+ * @category Printed
+ */
+
+/**
+ * @id yIdler
+ * @name Y Axis Belt Idler
+ * @category Printed
+ */
+
+include <configuration.scad>
+use <inc/bearing-guide.scad>
+
+module motorholder(thickness=10){
+ difference(){
+ union(){
+ // Motor holding part
+ translate([29, -21 + 50, 0])
+ {
+ difference(){
+ union(){
+ translate([-21 + 4.5, 0, 5]) cube([9, 31, thickness], center=true);
+ nema17([0, 1, 1, 0], thickness=thickness, shadow=false);
+ mirror([0, 0, 1]) translate([0, 0, -10]) nema17([0, 1, 1, 0], thickness=thickness, shadow=7);
+ // Parts joining part
+ translate([-29, -21, 0]) cube([14, 30, thickness]);
+ }
+ // Motor mounting holes
+ translate([0, 0, thickness]) mirror([0, 0, 1]) nema17([0, 1, 1, 0], thickness=thickness, holes=true);
+ }
+ }
+
+ // Front holding part
+ translate([0, 10, 0]) cylinder(h = thickness, r=8);
+ translate([0, 20, 5]) cube([16, 20, thickness], center=true);
+ translate([0, 30, 0]) cylinder(h = thickness, r=8);
+ }
+ translate([0, 10, -1]) cylinder(h = 12, r=4.5, $fn=32);
+ translate([0, 30, -1]) cylinder(h = 12, r=4.5, $fn=32);
+ }
+}
+
+module oval(r=4, l=14, h=2){
+ intersection() {
+ union() {
+ translate([l / 2, 0, 0]) cylinder(r=r, h=h, $fn=4);
+ //translate([-l / 2, 0, 0]) cylinder(r=r, h=h, $fn=4);
+ translate([0, 0, h / 2]) cube([l, r * 2, h], center=true);
+ }
+ translate([0, 0, h / 2]) cube([l + r * 1.2, r * 2, h], center=true);
+ }
+}
+
+module idlermount(len=45, narrow_len=0, narrow_width=0, rod=threaded_rod_diameter_horizontal / 2, idler_height=16){
+ difference(){
+ union(){
+ //wide part holding bearing
+ translate([- (10 + idler_width) / 2, -25 + narrow_len, 0] ) cube_fillet([10 + idler_width, len + idler_bearing[2] * 1.1 - narrow_len, idler_height]);
+ //For X there is narrow part inside the x-idler
+ if (narrow_len > 0){
+ translate([-narrow_width / 2, -25, 0] ) cube_fillet([narrow_width, len + idler_bearing[2], idler_height], vertical=[0, 0, 2, 2]);
+ mirror([1, 0, 0]) translate([-narrow_width / 2, narrow_len -25, idler_height / 2 ]) fillet(1.5, idler_height - 0.04, $fn=8);
+ translate([-narrow_width / 2, narrow_len -25, idler_height / 2]) fillet(1.5, idler_height - 0.04, $fn=8);
+ }
+ }
+ translate([-12, -8, idler_height / 2]) rotate([90, 0, 90]) oval(r=rod + 0.01, l=12, h=25);
+ translate([0, -13 - single_wall_width*2, idler_height / 2]) {
+ // nut for tensioning screw
+ translate([0,0,0]) rotate([90, 0, 0]) cylinder(r=m4_nut_diameter_horizontal / 2, h=3.8, $fn=6);
+ // nut insert
+ translate([-2, -3.8, -m4_diameter * 1.5 / 2]) cube([20, 3.8, m4_diameter * 1.5+0.3]);
+ }
+
+ // tensioning screw goes here
+ translate([0, -19, idler_height / 2]) rotate([90, 90, 0]) cylinder(r=m4_diameter / 2, h=15, $fn=small_hole_segments, center=true);
+ // bearing goes there
+ translate([0, len + idler_bearing[2] - 35, idler_height / 2]) {
+ rotate([0, 90, 0]) idler_assy(idler_bearing);
+ translate([0, 10, 0]) cube([idler_width + 1, 20, idler_height + 2], center=true);
+ }
+
+ }
+}
+
+
+motorholder();
+translate([32, 25, 0]) idlermount();
+
+if (idler_bearing[3] == 1) {
+ translate([0, -12 - idler_bearing[0] / 2, 0]) {
+ render() bearing_assy();
+ }
+}
HCoop / clinton / prusa3.git / blobdiff