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// PRUSA Mendel
// motor/leadscrew coupling
// Used for connecting motor to leadscrew
// GNU GPL v2
// Josef Průša
// josefprusa@me.com
// prusadjs.cz
// http://www.reprap.org/wiki/Prusa_Mendel
// http://github.com/prusajr/PrusaMendel
include <configuration.scad>
/**
* @id coupling
* @name Coupling
* @category Printed
* @using 1 m3x25
* @using 1 m3nut
* @using 2 m3washer
*/
module coupling(){
difference(){
union(){
cylinder(h = 30, r=7);
translate(v = [0, 6, 15]) cube(size = [14,12,30], center = true);
}
// inside diameter
translate(v = [0, 0, -1])cylinder(h = 16, r=motor_shaft/2, $fn=16);
translate(v = [0, 0, 14.5])cylinder(h = 16, r=m8_diameter/2, $fn=16);
// screw holes
rotate ([0,0,90]) translate(v = [7, 15, 7.5]) rotate ([90,0,0]) cylinder(h = 30, r=m3_diameter/2, $fn=16);
rotate ([0,0,90]) translate(v = [7, 15, 22.5]) rotate ([90,0,0]) cylinder(h = 30, r=m3_diameter/2, $fn=16);
//main cut
translate(v = [0, 10, 14]) cube(size = [2,20,35], center = true);
//difference cut
translate(v = [0, 7, 15]) cube(size = [20,8,1], center = true);
}
}
coupling();
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