include ; COUPLING_D = 37; WASHER_D = 35.; WASHER_H = 2.4; MOTOR_SHAFT_D = 6; MOTOR_SHAFT_H = 16; MOTOR_SHAFT_HOBBLE = 1; MOTOR_MOUNT_X = 32.5; MOTOR_MOUNT_Y = 17.5; //Geartisan Worm Gear Motor - JSX40-370 module motor () { cube([46, 32, 21], center = true); translate([(46 / 2) + (30 / 2), 0, 1.5]) rotate([0, 90, 0]) cylinder(r = 24 / 2, h = 30, center = true, $fn = 80); translate([-(46 / 2) + 14.5, 0, -18.5]) rotate([0, 0, 90]) motor_shaft(); //pad translate([-(46 / 2) + 14.5, 0, -(1 / 2) - 10.5]) cylinder(r = 13 / 2, h = 1, center = true, $fn = 60); //mount pads translate([-0.5, 0, -(1.5 / 2) - 10.5]) motor_mounts(); } module motor_shaft () { difference () { cylinder(r = MOTOR_SHAFT_D / 2, h = MOTOR_SHAFT_H, center = true, $fn = 60); translate([MOTOR_SHAFT_D - MOTOR_SHAFT_HOBBLE, 0, 0]) cube([MOTOR_SHAFT_D, MOTOR_SHAFT_D, MOTOR_SHAFT_H + 1], center = true); } } module motor_mounts () { Z = 1.5; D = 7.5; translate([MOTOR_MOUNT_X / 2, MOTOR_MOUNT_Y / 2, 0]) motor_mount_pad(D, Z); translate([-MOTOR_MOUNT_X / 2, MOTOR_MOUNT_Y / 2, 0]) motor_mount_pad(D, Z); translate([MOTOR_MOUNT_X / 2, -MOTOR_MOUNT_Y / 2, 0]) motor_mount_pad(D, Z); translate([-MOTOR_MOUNT_X / 2, -MOTOR_MOUNT_Y / 2, 0]) motor_mount_pad(D, Z); } module motor_mount_pad (D, Z) { difference () { cylinder(r = D / 2, h = Z, center = true, $fn = 40); //bolt void cylinder(r = 2.5 / 2, h = Z + 1, center = true, $fn = 40); } } module magnetic_coupling (MAGNETS = 4, MAGNET_D = 8.1, MAGNET_H = 2.5) { H = 3; OFFSET = 12; difference () { union () { cylinder(r = COUPLING_D / 2, h = MAGNET_H + H, center = true, $fn = 100); translate([0, 0, -6]) cylinder(r = 12.5 / 2, h = 10, center = true, $fn = 60); } //motor shaft void scale([1.1, 1.1, 2]) motor_shaft(); //magnet voids for (i = [0 : MAGNETS - 1]) { rotate([0, 0, i * (360 / MAGNETS)]) translate([0, OFFSET, H - MAGNET_H + 1.01]) cylinder(r = MAGNET_D / 2, h = MAGNET_H, center = true, $fn = 50); } } } module reel_attach (MAGNET_H = 2.5) { H = 12; difference () { cylinder(r = 45 / 2, h = H, center = true, $fn = 100); translate([0, 0, -(H / 2) + (MAGNET_H + 3) / 2]) cylinder(r = (COUPLING_D + 0.7) / 2, h = MAGNET_H + 3.01, center = true, $fn = 160); translate([0, 0, -(H / 2) + (MAGNET_H + 3) + (WASHER_H / 2)]) cylinder(r = WASHER_D / 2, h = WASHER_H, center = true, $fn = 160); } translate([0, 0, 18.25]) reel_holder(); } module takeup () { magnetic_coupling(); translate([0, 0, 4]) reel_attach(); } module motor_mount_void (D, Z) { cylinder(r = D / 2, h = Z, center = true, $fn = 40); //bolt void translate([0, 0, 5]) cylinder(r = 3.25 / 2, h = Z + 10, center = true, $fn = 40); translate([0, 0, 4.75]) cylinder(r = 6 / 2, h = 3.5, center = true, $fn = 40); } module mount_plate_void () { cylinder(r = 4 / 2, h = 20, center = true, $fn = 40); translate([0, 0, 0.5]) cylinder(r2 = 4/2, r1 = 6 / 2, h = 3, center = true, $fn = 40); } module mount_plate () { Z = 1.5; D = 7.5 + 0.7; MOUNT_X = 40; MOUNT_Y = 55; CORNER = 4; X_CORNER = (60 / 2) - (CORNER / 2); Y_CORNER = (70 / 2) - (CORNER / 2); difference () { translate([0, 0, 3.26 - .5]) cube([60, 70, 7], center = true); translate([MOTOR_MOUNT_X / 2, MOTOR_MOUNT_Y / 2, 0]) motor_mount_void(D, Z); translate([-MOTOR_MOUNT_X / 2, MOTOR_MOUNT_Y / 2, 0]) motor_mount_void(D, Z); translate([MOTOR_MOUNT_X / 2, -MOTOR_MOUNT_Y / 2, 0]) motor_mount_void(D, Z); translate([-MOTOR_MOUNT_X / 2, -MOTOR_MOUNT_Y / 2, 0]) motor_mount_void(D, Z); translate([-(46 / 2) + 15, 0, 0]) cylinder(r = 13.9 / 2, h = 20, center = true, $fn = 60); translate([MOUNT_X / 2, MOUNT_Y / 2, 0]) mount_plate_void(); translate([-MOUNT_X / 2, MOUNT_Y / 2, 0]) mount_plate_void(); translate([MOUNT_X / 2, -MOUNT_Y / 2, 0]) mount_plate_void(); translate([-MOUNT_X / 2,-MOUNT_Y / 2, 0]) mount_plate_void(); translate([-8 + 12.5, 0, 0]) cube([7, 17, Z], center = true); translate([X_CORNER, Y_CORNER, 3.26 - .5]) cube([CORNER, CORNER, 8], center = true); translate([-X_CORNER, Y_CORNER, 3.26 - .5]) cube([CORNER, CORNER, 8], center = true); translate([X_CORNER, -Y_CORNER, 3.26 - .5]) cube([CORNER, CORNER, 8], center = true); translate([-X_CORNER, -Y_CORNER, 3.26 - .5]) cube([CORNER, CORNER, 8], center = true); } translate([X_CORNER - (CORNER / 2), Y_CORNER - (CORNER / 2), 3.26 - .5]) cylinder(r = CORNER, h = 7, center = true, $fn = 40); translate([-X_CORNER + (CORNER / 2), Y_CORNER - (CORNER / 2), 3.26 - .5]) cylinder(r = CORNER, h = 7, center = true, $fn = 40); translate([X_CORNER - (CORNER / 2), -Y_CORNER + (CORNER / 2), 3.26 - .5]) cylinder(r = CORNER, h = 7, center = true, $fn = 40); translate([-X_CORNER + (CORNER / 2), -Y_CORNER + (CORNER / 2), 3.26 - .5]) cylinder(r = CORNER, h = 7, center = true, $fn = 40); } //difference () { //reel_attach(); //translate([0, 25, 0]) cube([50, 50, 50], center = true); //} //translate([(46 / 2) - 14.5, 0, 0]) rotate([180, 0, 0]) motor(); //translate([0, 0, -3.5]) rotate([0, 0, -90]) magnetic_coupling(); //translate([8, 0, 13]) mount_plate(); //reel_attach(); PART = "slip_coupling"; if (PART == "slip_coupling") { reel_attach(); } else if (PART == "magnetic_coupling") { magnetic_coupling(); } else if (PART == "mount_plate") { mount_plate(); }