// PRUSA iteration3 // X end motor // GNU GPL v3 // Josef Průša and contributors // http://www.reprap.org/wiki/Prusa_Mendel // http://prusamendel.org use module x_end_motor_base(){ x_end_base(); translate(v=[-15,31,26.5]) cube(size = [17,44,53], center = true); } module x_end_motor_endstop_base(){ translate([-23.5,-28.5,58]){ difference(){ // Base block cube([17,18.2,4]); // Nice edge translate([-1,10,10])rotate([-45,0,0])cube(20,20,20); } } } module x_end_motor_endstop_holes(){ translate([-23.5,-28.5,58]){ translate([17/2,7.5,-3]){ // Back screw hole for endstop translate([-4.75,0,0])cylinder(r=1,h=19,$fn=20); translate([-4.75,0,6])cylinder(r1=1, r2=1.5, h=2,$fn=20); // Front screw hole for endstop translate([4.75,0,0])cylinder(r=1,h=19,$fn=20); translate([4.75,0,6])cylinder(r1=1, r2=1.5, h=2,$fn=20); } } } module x_end_motor_holes(){ x_end_holes(); // Position to place translate(v=[-1,32,30.25]){ // Belt hole translate(v=[-14,1,0]) cube(size = [10,46,22], center = true); // Motor mounting holes translate(v=[20,-15.5,-15.5]) rotate(a=[0,-90,0]) rotate(a=[0,0,90]) cylinder(h = 70, r=1.8, $fn=30); translate(v=[1,-15.5,-15.5]) rotate(a=[0,-90,0]) rotate(a=[0,0,90]) cylinder(h = 10, r=3.1, $fn=30); translate(v=[20,-15.5,15.5]) rotate(a=[0,-90,0]) rotate(a=[0,0,90]) cylinder(h = 70, r=1.8, $fn=30); translate(v=[1,-15.5,15.5]) rotate(a=[0,-90,0]) rotate(a=[0,0,90]) cylinder(h = 10, r=3.1, $fn=30); translate(v=[20,15.5,-15.5]) rotate(a=[0,-90,0]) rotate(a=[0,0,90]) cylinder(h = 70, r=1.8, $fn=30); translate(v=[1,15.5,-15.5]) rotate(a=[0,-90,0]) rotate(a=[0,0,90]) cylinder(h = 10, r=3.1, $fn=30); translate(v=[20,15.5,15.5]) rotate(a=[0,-90,0]) rotate(a=[0,0,90]) cylinder(h = 70, r=1.8, $fn=30); translate(v=[1,15.5,15.5]) rotate(a=[0,-90,0]) rotate(a=[0,0,90]) cylinder(h = 10, r=3.1, $fn=30); // Material saving cutout translate(v=[-10,12,10]) cube(size = [60,42,42], center = true); // Material saving cutout translate(v=[-10,40,-30]) rotate(a=[45,0,0]) cube(size = [60,42,42], center = true); } } // Motor shaft cutout module x_end_motor_shaft_cutout(){ union(){ difference(){ translate(v=[0,32,30]) rotate(a=[0,-90,0]) rotate(a=[0,0,90]) cylinder(h = 70, r=17, $fn=6); translate(v=[-10,-17+32,30]) cube(size = [60,2,10], center = true); translate(v=[-10,-8+32,-15.5+30]) rotate(a=[60,0,0]) cube(size = [60,2,10], center = true); translate(v=[-10,8+32,-15.5+30]) rotate(a=[-60,0,0]) cube(size = [60,2,10], center = true); } translate(v=[-30,25.2,-11.8 +30]) rotate(a=[0,90,0]) cylinder(h = 30, r=3, $fn=30); translate(v=[-30,19.05,30]) rotate(a=[0,90,0]) cylinder(h = 30, r=3.5, $fn=100); } } module selective_infill()mirror([0,1,0]) translate([-50, -33, 0.6]) { difference() { union() { difference() { translate([50,50,0.6]) rotate([0,0,90]) cylinder( h=6, r=11.7, $fn=30);//0, 17, 0.6 translate([50,50,-1]) rotate([0,0,90]) cylinder( h=10, r=11.5, $fn=30); } difference() { translate([50,50,0.6]) rotate([0,0,90]) cylinder( h=6, r=10.7, $fn=30); //0, 17, 0.6 translate([50,50,-1]) rotate([0,0,90]) cylinder( h=10, r=10.5, $fn=30); } difference() { translate([50,50,0.6]) rotate([0,0,90]) cylinder( h=6, r=9.9, $fn=30); //0, 17, 0.6 translate([50,50,-1]) rotate([0,0,90]) cylinder( h=10, r=9.7, $fn=30); } difference() { translate([50,50,0.6]) rotate([0,0,90]) cylinder( h=6, r=9, $fn=30); //0, 17, 0.6 translate([50,50,-1]) rotate([0,0,90]) cylinder( h=10, r=8.8, $fn=30); } } translate([57.5,50.5,-1]) rotate([0,0,45]) cube([8,10,9]); // front translate([52,30.5,-1]) rotate([0,0,45]) cube([10,20,20]); // front angled translate([32,35.5,-1]) cube([8,30,9]); // inner horizontal } } module reinforcement_selective_infill() { rotate([90,0,-15,]) translate ([-1.5, 8, 26])linear_extrude(height = 0.2) polygon( points=[[-2,0],[0,12],[8,0]] ); //bearings rotate([90,0,-50,]) translate ([8.5, 8, 1.4])linear_extrude(height = 0.2) polygon( points=[[0,0],[0,12],[8,0]] ); //body } // Final part module x_end_motor(){ difference(){ union(){ x_end_motor_base(); x_end_motor_endstop_base(); } x_end_motor_shaft_cutout(); x_end_motor_holes(); x_end_motor_endstop_holes(); selective_infill(); reinforcement_selective_infill(); translate([-12,-42,65]) rotate([-35,0,0]) rotate([0,0,45]) cube(10,10,10); translate([-15,8.5,6]) rotate([90,0,0]) cylinder(h=5, r=5, $fn=30); translate([-15,8.5,51]) rotate([90,0,0]) cylinder(h=5, r=5, $fn=30); translate([-15,3.5,6]) rotate([90,0,0]) cylinder(h=3, r1=5, r2=4, $fn=30); translate([-15,3.5,51]) rotate([90,0,0]) cylinder(h=3, r1=5, r2=4, $fn=30); } } x_end_motor();