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DC motor design has all components designed, need to print, test and adjust.

This commit is contained in:
Matt McWilliams 2022-10-19 06:38:56 -04:00
parent 4281ca4390
commit 81fc54af8d
2 changed files with 137 additions and 8 deletions
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141
scad/arri_s.scad
View File

@ -30,6 +30,13 @@ DriveDiameter2 = 9;
ShaftLength = 2.75; ShaftLength = 2.75;
ShaftDiameter = 5; ShaftDiameter = 5;
MicroswitchCompression = 8.7 - 6.9; //min
BearingDiameter = 22.5;
BearingInnerDiameter = 11.5;
capM3OffsetZ = 11.5;
PART = "none"; PART = "none";
module motorBarrel () { module motorBarrel () {
@ -159,10 +166,10 @@ module animationMotorDCBodyPositive () {
//hollow out //hollow out
translate([0, 0, 4]) cylinder(r = R(BarrelDiameter) - 5, h = BarrelLength, center = true, $fn = 200); translate([0, 0, 4]) cylinder(r = R(BarrelDiameter) - 5, h = BarrelLength, center = true, $fn = 200);
//cut //cut
translate([0, 0, 20]) cube([100, 100, BarrelLength], center = true); translate([0, 0, 40]) cube([100, 100, BarrelLength], center = true);
cylinder(r = R(23), h = BarrelLength + 1, center = true, $fn = 100); cylinder(r = R(23), h = BarrelLength + 1, center = true, $fn = 100);
//window //window
translate([0, (BarrelDiameter / 2) - 2, -10]) cube([8, 8, 30], center = true); translate([0, (BarrelDiameter / 2) - 2, -10+5]) cube([8, 8, 40], center = true);
} }
//rim //rim
@ -216,17 +223,139 @@ module animationMotorDCBody () {
//microswitch //microswitch
translate([-22, -8.75-1.25, -34 + (4/2)-.5]) { translate([-22, -8.75-1.25, -34 + (4/2)-.5]) {
cube([16, 28, 9.5 + 4], center = true); cube([16, 28, 9.5 + 4], center = true);
translate([0, 0, 30]) cube([16, 28, 60], center = true);
//microswitch lever //microswitch lever
translate([10, 8, 2]) cube([16, 15, 5.5], center = true); translate([10, 8-3, 2]) cube([16, 15+6, 8], center = true);
}
//cap m3s
rotate([0, 0, -60]) translate([14.5, 0, capM3OffsetZ]) {
rotate([0, 90, 0]) cylinder(r = R(3.25), h = 20, center = true, $fn = 40);
}
rotate([0, 0, 120]) translate([14.5, 0, capM3OffsetZ]) {
rotate([0, 90, 0]) cylinder(r = R(3.25), h = 20, center = true, $fn = 40);
} }
} }
//color("red") translate([0, -8.75, -45-4]) rotate([180, 0, -90]) geared_motor(); translate([-22, -8.75-1.25, -34 + (4/2)-.5 - 5.04]) difference() {
color("blue") translate([-22, -10, -30.5]) microswitch(); cube([16.1, 28.1, 2.4], center = true);
translate([-(16 / 2) + 3, (28 / 2) - 3, 0]) cylinder(r = R(3.5), h = 2.4 + 1, center = true, $fn = 40);
translate([(16 / 2) - 3, -(28 / 2) + 3, 0]) cylinder(r = R(3.5), h = 2.4 + 1, center = true, $fn = 40);
}
} }
//translate([0, 50, 0]) color("red") motorOriginal(); module animationMotorDCCapPositive () {
difference() {
cylinder(r = R(BarrelDiameter), h = 10, center = true, $fn = 200);
translate([0, 0, -(10 /2) + (7.5/2) - 0.1]) cylinder(r = R(BearingDiameter), h = 7.5, center = true, $fn = 80);
cylinder(r = R(13), h = 10 + 1, center = true, $fn = 80);
}
translate([0, 0, -(10/2)-(5/2)]) difference() {
cylinder(r = R(BarrelDiameter) - 5.3, h = 5, center = true, $fn = 200);
cylinder(r = R(BarrelDiameter) - 7.5, h = 5 + 1, center = true, $fn = 200);
}
translate([0, 0, -(10/2)-(5/2)]) difference() {
union() {
rotate([0, 0, -60]) translate([13, 0, 0]) cube([6, 8, 5], center = true);
rotate([0, 0, 120]) translate([13, 0, 0]) cube([6, 8, 5], center = true);
}
cylinder(r = R(BearingDiameter)+1, h = 5 + 1, center = true, $fn = 200);
}
translate([0, 0, -(10/2)-(5/2)]) intersection() {
cylinder(r = R(BarrelDiameter), h = 5, center = true, $fn = 200);
translate([0, (BarrelDiameter / 2) - 2, 0]) cube([8-0.3, 8, 30], center = true);
}
translate([0, 0, -(10/2)-(5/2)]) intersection() {
cylinder(r = R(BarrelDiameter), h = 5, center = true, $fn = 200);
translate([-22, -8.75-1.25, 0]) cube([16-0.3, 28-0.3, 20], center = true);
}
}
module animationMotorDCCap () {
difference() {
animationMotorDCCapPositive();
rotate([0, 0, -60]) translate([14.5, 0, -(10/2)-(5/2)]) {
cube([2.5, 5.7, 6], center = true);
rotate([0, 90, 0]) cylinder(r = R(3.25), h = 10, center = true, $fn = 40);
}
rotate([0, 0, 120]) translate([14.5, 0, -(10/2)-(5/2)]) {
cube([2.5, 5.7, 6], center = true);
rotate([0, 90, 0]) cylinder(r = R(3.25), h = 10, center = true, $fn = 40);
}
}
}
module driveCouplingDC () {
D = 15.5;
H = 45;
difference() {
union() {
cylinder(r = R(D), h = H, center = true, $fn = 80);
translate([0, 0, 2]) cylinder(r = R(BearingInnerDiameter), h = H, center = true, $fn = 80);
}
translate([0, 0, -(H/2)+5]) rotate([0, 0, 180]) motor_shaft();
//bottom M3
translate([-4.5, 0, -(H/2)+4.9]) cube([2.5, 5.7, 10], center = true);
translate([-10, 0, -(H/2) + 9 - 3]) rotate([90, 0, 90]) cylinder(r = R(3.25), h = 20, center = true, $fn = 40);
//top M3
translate([-4.5, 0, (H/2)-4.9+2]) cube([2.5, 5.7, 10], center = true);
translate([-10, 0, (H/2)-9+5]) rotate([90, 0, 90]) cylinder(r = R(3.25), h = 20, center = true, $fn = 40);
translate([0, 0, (H/2)-3]) difference() {
cylinder(r = R(7.8), h = 10.2, center = true, $fn = 100);
translate([-7.8+2, 0, 0]) cube([7.8, 7.8, 10+1], center = true);
}
}
}
module driveCouplingDCConnector () {
H = 17;
H2 = 20;
RIDGES=5;
translate([0, 0, 0]) difference() {
cylinder(r = R(7.8), h = H, center = true, $fn = 100);
translate([-7.8+2, 0, 0]) cube([7.8, 7.8, H+1], center = true);
translate([-2, 0, -5]) rotate([90, 30, 90]) m3_nut();
}
translate([0, 0, (H/2)+(H2/2)]) cylinder(r = R(BearingInnerDiameter), h = H2, center = true, $fn = 80);
difference() {
union(){
for (i = [0 : RIDGES-1]) {
rotate([0, 0, i*(360/RIDGES)]) translate([0, 0, (H/2)+H2-3]) rotate([90, 0, 0]) cylinder(r = R(13), h = 1, center = true, $fn = 80);
}
}
translate([0, 0, (H/2)+H2+(20/2)]) cube([20, 20, 20], center = true);
}
}
/*
translate([0, 20, 0]) color("red") motorOriginal();
//bodyCapBellowsAdapter(); //bodyCapBellowsAdapter();
//animationMotorBody(); //animationMotorBody();
//translate([0, 0, -49.5]) color("green") NEMA17(); //translate([0, 0, -49.5]) color("green") NEMA17();
//bodyCap(); //bodyCap();
color("red") translate([0, -8.75, -45-4]) rotate([180, 0, -90]) geared_motor();
//color("blue") translate([-22, -10, -30.5]) microswitch();
difference() {
animationMotorDCBody(); animationMotorDCBody();
translate([0, 50, 0]) cube([100, 100, 100], center = true);
}
translate([0, 0, 19.5]) difference() {
animationMotorDCCap();
translate([0, 50, 0]) cube([100, 100, 100], center = true);
}
difference() {
translate([0, 0, -10]) color("blue") driveCouplingDC();
translate([0, 50, 0]) cube([100, 100, 100], center = true);
}
translate([0, 0, 13.5]) driveCouplingDCConnector();
*/
//translate([0, 0, 19.5]) animationMotorDCCap();
PART = "animation_motor_DC";
if (PART == "drive_coupling_DC_connector") {
driveCouplingDCConnector();
} else if (PART == "drive_coupling_DC") {
driveCouplingDC();
} else if (PART == "animation_motor_DC_cap") {
animationMotorDCCap();
} else if (PART == "animation_motor_DC") {
animationMotorDCBody();
}

2
scad/takeup.scad
View File

@ -26,7 +26,7 @@ module motor_shaft () {
module motor_mounts () { module motor_mounts () {
Z = 1.5; Z = 1.5;
D = 7.5; D = 7.5 + 0.3;
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);