// PRUSA iteration3 // X end motor // GNU GPL v3 // Josef Průša and contributors // http://www.reprap.org/wiki/Prusa_Mendel // http://prusamendel.org // Alterations for reprap Wilson by Martin Rice use offs_adjuster_y = 5.5; adj_block_x = 12; adj_block_y = 10; adj_block_z = 32; motor_offs_z = 0; module adjustomatic() { difference() { translate(v=[-(15+17/2+adj_block_x/2),offs_adjuster_y,58-adj_block_z/2]) cube(size=[adj_block_x,adj_block_y,adj_block_z],center=true); translate(v=[-(15+17/2+adj_block_x/2)-5,offs_adjuster_y,58-adj_block_z/2-8]) rotate([0,-30,0]) cube(size=[adj_block_x,adj_block_y+2,adj_block_z],center=true); translate(v=[-(15+17/2+adj_block_x/2-1),offs_adjuster_y,58-adj_block_z/2-3]) cube(size=[adj_block_x,adj_block_y-2,adj_block_z-2],center=true); translate(v=[-(15+17/2+adj_block_x/2),offs_adjuster_y,58-adj_block_z/2+14]) { rotate([0,0,30]) #cylinder(h = 4, r=3.1, $fn = 6); translate([0,0,-20]) #cylinder(h=30,r=2,$fn=16); } } } module pocket_endstop() { translate([-7,-40,0]) difference() { union() { translate([-1.5,0,0]) cube(size=[9,16,22]); translate([3,12,20]) cylinder(r=4,h=10,$fn=16); translate([-10,50,57.9]) rotate([90,0,0]) cube(size=[9,4,30]); } translate([0,-1,1]) cube(size=[6,16,20]); #translate([3,12,20]) cylinder(r=3,h=21,$fn=16); // grove for wiring along bottom #translate([-9,50.5,58]) rotate([90,0,0]) cube(size=[7,3,31]); // screw holes for endstop switch #translate([-2,7,1.5+5.5]) rotate([0,90,0]) cylinder(r=1.5,h=15); #translate([-2,7,1.5+5.5+9.5]) rotate([0,90,0]) cylinder(r=1.5,h=15); #translate([0,-3,15]) cube(size=[6,15,20]); } } module x_end_motor_base(){ x_end_base(); // motor arm translate(v=[-15,31,26.5+motor_offs_z]) cube(size = [17,44,53], center = true); // z stop adjuster adjustomatic(); // x endstop holder pocket_endstop(); } module x_end_motor_holes(){ x_end_holes(); // Position to place translate(v=[-1,32,30.25+motor_offs_z]){ // 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 = 12, r=3.2, $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 = 12, r=3.2, $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 = 12, r=3.2, $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 = 12, r=3.2, $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 translate(v=[0,0,0]) rotate(a=[0,-90,0]) rotate(a=[0,0,90]) cylinder(h = 70, r=17, $fn=6); #translate([-5,-59,13]) difference() { cylinder(r=4,h=5); translate([0,0,-1]) cylinder(r=2.5,h=7); } } } // Final part module x_end_motor(){ difference(){ x_end_motor_base(); x_end_motor_holes(); } } x_end_motor();