mcopy/scad/arri_s.scad

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// Arri-S Animation Motor
include <./common.scad>;
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include <./takeup.scad>;
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include <./bellows.scad>;
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BarrelDiameter = 45;
BarrelLength = 52;
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SeatDiameter = 20;
SeatLength = 5.8;
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CapLength = 19;
CapDiameter = 40;
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CapThickness = 3;
CapCatchDiameter = 38;
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CapCatchLength = 2;
CapCatchOffset = 15;
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CapRimDiameter = 46.5;
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CapRimThickness = 3;
NotchDiameter = 2;
NotchOffset = 3;
DriveLength = 7;
DriveDiameter1 = 11;
DriveDiameter2 = 9;
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ShaftLength = 2.75;
ShaftDiameter = 5;
MicroswitchCompression = 8.7 - 6.9; //min
BearingDiameter = 22.5;
BearingInnerDiameter = 11.5;
capM3OffsetZ = 11.5;
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PART = "none";
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module motorBarrel () {
$fn = 200;
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cylinder(r = R(BarrelDiameter), h = BarrelLength, center = true);
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}
module motorSeat () {
$fn = 120;
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cylinder(r = R(SeatDiameter), h = SeatLength, center = true);
}
module motorShaft () {
cylinder(r = R(ShaftDiameter), h = ShaftLength, center = true);
}
module motorDrive () {
cylinder(r = R(DriveDiameter1), h = DriveLength, center = true);
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}
module motorOriginal () {
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motorBarrel();
translate([0, 0, (BarrelLength / 2) + (SeatLength / 2)]) motorSeat();
//notch
$fn = 50;
translate([BarrelDiameter / 2, 0, -(BarrelLength / 2) + NotchOffset]) {
rotate([0, 90, 0]) {
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cylinder(r = R(NotchDiameter), h = 1, center = true);
translate([0, 0, NotchDiameter / 4]) sphere(r = R(NotchDiameter));
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}
}
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translate([0, 0, (BarrelLength / 2) + (SeatLength) + (ShaftLength / 2)]) motorShaft();
translate([0, 0, (BarrelLength / 2) + (SeatLength) + (ShaftLength) + (DriveLength / 2)]) motorDrive();
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}
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module bodyCap () {
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$fn = 200;
difference () {
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cylinder(r = R(CapDiameter), h = CapLength, center = true);
cylinder(r = R(CapDiameter - CapThickness), h = CapLength + 1, center = true);
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//catch
translate([0, 0, (CapLength / 2) - CapCatchOffset]) difference () {
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cylinder(r = R(CapDiameter + 1), h = CapCatchLength, center = true);
cylinder(r = R(CapCatchDiameter), h = CapCatchLength + 1, center = true);
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}
}
translate([0, 0, (CapLength / 2) + (CapRimThickness / 2)]) {
difference () {
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cylinder(r = R(CapRimDiameter), h = CapRimThickness, center = true);
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}
}
}
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module bodyCapBellowsAdapter () {
$fn = 200;
difference () {
bodyCap();
translate([0, 0, (CapLength / 2) + (CapRimThickness / 2)]) {
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cube([CapDiameter - CapThickness - 16, CapDiameter - CapThickness - 16, CapRimThickness + 1], center = true);
}
}
translate([0, 0, 16]) {
difference() {
cylinder(r = 37.9 / 2, h = 7, center = true);
cylinder(r = 30 / 2, h = 7 + 1, center = true);
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}
}
}
/**
** Stepper Motor Design
**/
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module animationMotorBodyPositive () {
difference () {
motorBarrel();
//hollow out
translate([0, 0, 4]) cylinder(r = R(BarrelDiameter) - 5, h = BarrelLength, center = true, $fn = 200);
//cut
translate([0, 0, 40]) cube([100, 100, BarrelLength], center = true);
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cylinder(r = R(23), h = BarrelLength + 1, center = true, $fn = 100);
//window
translate([0, (BarrelDiameter / 2) - 2, -5]) cube([8, 20, 42], center = true);
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}
//rim
translate([0, 0, -(BarrelLength / 2) - (3 / 2)]) {
difference () {
cylinder(r = R(BarrelDiameter) + 2, h = 3, center = true, $fn = 200);
cylinder(r = R(23), h = 3 + 1, center = true, $fn = 100);
}
}
//motor pad
translate([0, 0, -(BarrelLength / 2) - (3) - (4 / 2)]) {
difference () {
union () {
cube([42, 42, 4], center = true);
cylinder(r = R(BarrelDiameter) + 2, h = 4, center = true, $fn = 200);
}
cylinder(r = R(23), h = 4 + 1, center = true, $fn = 100);
for (i = [0 : 3]) {
rotate([0, 0, (i * 90) + 45]) translate([29.7, 0, 0]) cube([5.5, 5.5, 4 + 1], center = true);
}
}
}
//notch
$fn = 50;
rotate([0, 0, 35]) {
translate([BarrelDiameter / 2, 0, -(BarrelLength / 2) + NotchOffset]) {
rotate([0, 90, 0]) {
cylinder(r = R(NotchDiameter), h = 1, center = true);
translate([0, 0, NotchDiameter / 4]) sphere(r = R(NotchDiameter));
}
}
}
}
module boltSlot () {
cylinder(r = R(6), h = 46.5, center = true, $fn = 40);
cylinder(r = R(3.25), h = 55, center = true, $fn = 40);
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}
module animationMotorBody () {
boltZOffset = -6;
difference () {
animationMotorBodyPositive();
//m3 bolts (vertical)
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translate([31/2, 31/2, boltZOffset]) boltSlot();
translate([31/2, -31/2, boltZOffset]) boltSlot();
translate([-31/2, 31/2, boltZOffset]) boltSlot();
translate([-31/2, -31/2, -6]) boltSlot();
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//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);
translate([0, 0, 6.5]) cylinder(r = R(6), h = 3, 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);
translate([0, 0, 6.5]) cylinder(r = R(6), h = 3, center = true, $fn = 40);
}
}
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}
}
module animationMotorCapPositive () {
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);
}
}
module animationMotorCap () {
difference() {
animationMotorCapPositive();
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);
}
//m3 set screw
rotate([0, 0, 180]) translate([14.5, 0, 0]) {
translate([2, 0, -6]) cube([2.5, 5.7, 20], center = true);
rotate([0, 90, 0]) {
cylinder(r = R(3.25), h = 20, center = true, $fn = 40);
translate([0, 0, 6.5]) cylinder(r = R(6), h = 3, center = true, $fn = 40);
}
}
}
}
module driveCoupling () {
D = 15.5;
H = 41-3;
Divot = 2.75;
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)+6.5]) rotate([0, 0, 90]) scale([1.05, 1.05, 1]) NEMA17_motor_shaft();
//bottom M3
translate([-4.5, 0, -(H/2) + 4.9]) cube([2.5, 5.7, 12], 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);
}
}
}
/**
** DC Motor Design
**/
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module animationMotorDCBodyPositive () {
rimH = 10 + 3.5;
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difference () {
motorBarrel();
//hollow out
translate([0, 0, 4]) cylinder(r = R(BarrelDiameter) - 5, h = BarrelLength, center = true, $fn = 200);
//cut
translate([0, 0, 40]) cube([100, 100, BarrelLength], center = true);
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cylinder(r = R(23), h = BarrelLength + 1, center = true, $fn = 100);
//window
translate([0, (BarrelDiameter / 2) - 2, -10+5+30]) cube([8, 8, 40], center = true);
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}
//rim
translate([0, 0, -(BarrelLength / 2) - (rimH / 2)]) {
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difference () {
cylinder(r = R(BarrelDiameter) + 2, h = rimH, center = true, $fn = 200);
cylinder(r = R(23), h = rimH + 1, center = true, $fn = 100);
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}
}
//geared motor mount
translate([0, 0, -34 - 4 - 3 - 3.5]) {
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intersection () {
rotate([0, 0, -90]) minimal_mount();
union () {
cylinder(r = R(BarrelDiameter) + 2, h = 10, center = true, $fn = 200);
translate([0, -30, 0]) cube([33, 60, 10], center = true);
}
}
}
//notch
$fn = 50;
rotate([0, 0, 35]) {
translate([BarrelDiameter / 2, 0, -(BarrelLength / 2) + NotchOffset]) {
rotate([0, 90, 0]) {
cylinder(r = R(NotchDiameter), h = 1, center = true);
translate([0, 0, NotchDiameter / 4]) sphere(r = R(NotchDiameter));
}
}
}
}
module boltSlotDC () {
cylinder(r = R(6), h = 52, center = true, $fn = 40);
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}
module animationMotorDCBody () {
boltZOffset = -15.01;
padZ = 5.4;
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difference () {
union () {
animationMotorDCBodyPositive();
translate([-22, -8.75-1.25, -34 + (4/2)-.5 - 5.04-1.5]) cube([16.1+1, 28.1+1, padZ], center = true);
}
cylinder(r = R(18), h = 160, center = true, $fn = 100);
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translate ([0, -8, 0]) {
translate([MOTOR_MOUNT_Y/2, MOTOR_MOUNT_X/2, boltZOffset]) boltSlotDC();
translate([MOTOR_MOUNT_Y/2, -MOTOR_MOUNT_X/2, boltZOffset]) boltSlotDC();
translate([-MOTOR_MOUNT_Y/2, MOTOR_MOUNT_X/2, boltZOffset]) boltSlotDC();
translate([-MOTOR_MOUNT_Y/2, -MOTOR_MOUNT_X/2, boltZOffset]) boltSlotDC();
}
//microswitch
translate([-22, -8.75-1.25, -34 + (4/2)-.5 - 2]) {
cube([16 + 1.1, 28 + 1.1, 8], center = true);
translate([0, 0, 30]) cube([16, 28, 60], center = true);
translate([6, 7, 28]) cube([26, 15, 60], center = true);
//microswitch lever
translate([10, 8-3, 2-1]) 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);
translate([0, 0, 6.5]) cylinder(r = R(6), h = 3, 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);
translate([0, 0, 6.5]) cylinder(r = R(6), h = 3, center = true, $fn = 40);
}
}
//microswitch m3s
translate([-22, -8.75-1.25, -34 + (4/2)-.5 - 5.04-1.5]) {
translate([-(16 / 2) + 3, (28 / 2) - 3, 0]) {
cylinder(r = R(3.5), h = padZ + 1, center = true, $fn = 40);
translate([0, 0, -5.9]) cylinder(r = R(6), h = padZ + 1, center = true, $fn = 40);
}
translate([(16 / 2) - 3, -(28 / 2) + 3, 0]) {
cylinder(r = R(3.5), h = padZ + 1, center = true, $fn = 40);
translate([0, 0, -5.9]) cylinder(r = R(6), h = padZ + 1, center = true, $fn = 40);
}
}
}
}
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);
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}
}
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);
}
//m3 set screw
rotate([0, 0, 180]) translate([14.5, 0, 0]) {
translate([2, 0, -6]) cube([2.5, 5.7, 20], center = true);
rotate([0, 90, 0]) {
cylinder(r = R(3.25), h = 20, center = true, $fn = 40);
translate([0, 0, 6.5]) cylinder(r = R(6), h = 3, center = true, $fn = 40);
}
}
}
}
module driveCouplingDC () {
D = 15.5;
H = 49;
Divot = 2.75;
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]) scale([1.05, 1.05, 1]) motor_shaft();
//bottom M3
translate([-4.5, 0, -(H/2) + 4.9]) cube([2.5, 5.7, 12], 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);
}
//divot for switch
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translate([0, -D + Divot, 0]) cylinder(r = R(D), h = H, center = true, $fn = 80);
translate([0, -D + (3 * (Divot / 4)), 0]) cube([D, D, H + 1], center = true);
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difference () {
translate([0, -D + 4, 0]) cube([D, D, H], center = true);
translate([0, -D + 4, 0]) cube([8, D+1, H + 1], center = true);
translate([4.25, -(D / 2) + 4.6, 0]) cylinder(r = R(D/3), h = H + 1, center = true, $fn = 60);
translate([-4.25, -(D / 2) + 4.6, 0]) cylinder(r = R(D/3), h = H + 1, center = true, $fn = 60);
}
}
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}
module driveCouplingDCConnector () {
H = 17;
H2 = 20;
H3 = 4;
D1 = 9;
RIDGES=5;
SHAFT_D = 7.8;
translate([0, 0, 0]) difference() {
cylinder(r = R(SHAFT_D), h = H, center = true, $fn = 100);
translate([-SHAFT_D+2, 0, 0]) cube([SHAFT_D, SHAFT_D, H+1], center = true);
translate([-2, 0, -5]) rotate([90, 30, 90]) m3_nut();
}
translate([0, 0, (H/2)+(H2/2)]) cylinder(r = R(D1), h = H2, center = true, $fn = 80);
translate([0, 0, (H/2)+(H3/2)]) cylinder(r1 = R(BearingInnerDiameter), r2 = R(D1), h = H3, 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(DriveDiameter1), h = 1, center = true, $fn = 80);
}
}
translate([0, 0, (H/2)+H2+(20/2)]) cube([20, 20, 20], center = true);
}
}
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PART2 = "bellows_camera_board";
if (PART2 == "drive_coupling_DC_connector") {
driveCouplingDCConnector();
} else if (PART2 == "drive_coupling_DC") {
driveCouplingDC();
} else if (PART2 == "animation_motor_DC_cap") {
rotate([180, 0, 0]) animationMotorDCCap();
} else if (PART2 == "animation_motor_DC") {
animationMotorDCBody();
} else if (PART2 == "animation_motor") {
animationMotorBody();
} else if (PART2 == "animation_motor_cap") {
rotate([180, 0, 0]) animationMotorCap();
} else if (PART2 == "drive_coupling") {
driveCoupling();
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} else if (PART2 == "bellows_camera_board") {
bodyCapBellowsAdapter();
} else if (PART2 == "bellows_camera_board") {
bellows_camera_board();
}