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Center the mount plate and also create a "minimal_mount" module for incorporating this into other SCAD files. The idea being that this is a centered mount for a motor that can be dropped into different designs.

This commit is contained in:
Matt McWilliams 2022-10-10 08:43:35 -04:00
parent eb2f452431
commit ce505d83c6
1 changed files with 45 additions and 19 deletions
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64
takeup.scad
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@ -127,33 +127,47 @@ module motor_mount_void (D, Z) {
}
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);
cylinder(r = 4.25 / 2, h = 20, center = true, $fn = 40);
translate([0, 0, 0.5]) cylinder(r = 8 / 2, h = 3, center = true, $fn = 40);
}
module mount_plate () {
Z = 1.5;
D = 7.5 + 1.5;
MOUNT_X = 40;
MOUNT_Y = 55;
X = 60;
Y = 60;
CORNER = 4;
X_CORNER = (60 / 2) - (CORNER / 2);
Y_CORNER = (70 / 2) - (CORNER / 2);
MOUNT_X = 42;
MOUNT_Y = 42;
CORNER = 3;
X_CORNER = (X / 2) - (CORNER / 2);
Y_CORNER = (Y / 2) - (CORNER / 2);
//center
//color("red") cylinder(r = 15 / 2, h = 20, center = true, $fn = 60);
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 + 1, 0, 0]) cylinder(r = 15 / 2, h = 20, center = true, $fn = 60);
translate([0, 0, 3.26 - .5]) cube([X, Y, 7], center = true);
//motor void (centered)
translate([7, 0, 0]) {
translate([-(46 / 2) + 15 + 1, 0, 0]) cylinder(r = 15 / 2, h = 20, center = true, $fn = 60);
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([-8 + 12.5, 0, 0]) cube([7.5, 17, Z], center = true);
}
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([7.5, 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);
@ -161,13 +175,25 @@ module mount_plate () {
}
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);
translate([-X_CORNER + (CORNER / 2), -Y_CORNER + (CORNER / 2), 3.26 - .5]) cylinder(r = CORNER, h = 7, center = true, $fn = 40);
}
//centered, minimal geometry needed to add
//58x52
module minimal_mount () {
difference () {
mount_plate();
translate([50 + 29, 0, 0]) cube([100, 100, 100], center = true);
translate([-50 - 29, 0, 0]) cube([100, 100, 100], center = true);
translate([0, 50 + 26, 0]) cube([100, 100, 100], center = true);
translate([0, -50 - 26, 0]) cube([100, 100, 100], center = true);
}
}
module debug_assembled () {
translate([(46 / 2) - 14.5, 0, 0]) rotate([180, 0, 0]) motor();
color("green") translate([8, 0, 11]) mount_plate();
color("green") translate([1, 0, 11]) mount_plate();
color("blue") translate([0, 0, 23]) rotate([0, 0, -90]) magnetic_coupling();
difference () {
translate([0, 0, 26.5]) slip_coupling();
@ -176,9 +202,7 @@ module debug_assembled () {
color("red") translate([0, 0, 34]) daylight_spool_insert();
}
//
PART = "mount_plate";
PART = "magnetic_coupling";
if (PART == "slip_coupling") {
slip_coupling();
@ -190,4 +214,6 @@ if (PART == "slip_coupling") {
daylight_spool_insert();
} else if (PART == "debug") {
debug_assembled();
} else if (PART == "minimal_mount") {
minimal_mount();
}