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Code Issues 14 Pull Requests Projects 2 Releases 13 Wiki Activity

Improvements to bearing and Tnut size

This commit is contained in:
Matt McWilliams 2023-01-05 17:35:25 -05:00
parent c2546d2bc5
commit cbe6477af2
1 changed files with 14 additions and 14 deletions
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28
scad/jk_lens_assembly.scad
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@ -33,10 +33,10 @@ LinearMotionX = 22;
LinearMotionY = 20;
LinearMotionZ = 14;
module linearBearing (pad = 0) {
module linearBearing (padD = 0, padH = 0) {
difference () {
cylinder(r = R(LinearBearingOuterDiameter + pad), h = LinearBearingHeight, center = true, $fn = 100);
cylinder(r = R(LinearBearingBoreDiameter), h = LinearBearingHeight + 1, center = true, $fn = 60);
cylinder(r = R(LinearBearingOuterDiameter + padD), h = LinearBearingHeight + padH, center = true, $fn = 100);
cylinder(r = R(LinearBearingBoreDiameter), h = LinearBearingHeight + padH + 1, center = true, $fn = 60);
}
}
@ -48,11 +48,11 @@ module linearMotionRod (H = 40, pad = 0) {
color("blue") cylinder(r = R(LinearMotionDiameter + pad), h = H, center = true, $fn = 60);
}
module TNut () {
module TNut (padD = 0, padH = 0) {
color("red") difference () {
union () {
translate([0, 0, -(TNutHeight2 / 2) + (TNutHeight1 / 2) + TNutOffset]) cylinder(r = R(TNutDiameter1), h = TNutHeight1, center = true, $fn = 100);
cylinder(r = R(TNutDiameter2), h = TNutHeight2, center = true, $fn = 80);
translate([0, 0, -(TNutHeight2 / 2) + (TNutHeight1 / 2) + TNutOffset]) cylinder(r = R(TNutDiameter1 + padD), h = TNutHeight1, center = true, $fn = 100);
cylinder(r = R(TNutDiameter2), h = TNutHeight2 + padH, center = true, $fn = 80);
}
cylinder(r = R(TNutInnerDiameter), h = TNutHeight2 + 1, center = true, $fn = 60);
}
@ -79,7 +79,7 @@ module lensAssemblyBellowsBoard () {
translate([0, -XOffset, FrontOffset]) rotate([0, 90, 0]) cylinder(r = R(22), h = XWidth, center = true, $fn = 80);
}
rotate([-90, 0, 0]) {
translate([-(XWidth/2) + 2.5, -FrontOffset, -XOffset]) rotate([0, 90, 0]) TNut();
translate([-(XWidth/2) + 2.5, -FrontOffset, -XOffset]) rotate([0, 90, 0]) TNut(0.3, 0.3);
//m3s
// -centered
translate([-(XWidth/2) + 2.5 + 5, -FrontOffset - 8, -XOffset]) rotate([0, -90, 0]) rotate([0, 0, 90]) m3BoltNut();
@ -87,7 +87,7 @@ module lensAssemblyBellowsBoard () {
translate([-(XWidth/2) + 2.5 + 5, -FrontOffset, -XOffset + 8]) rotate([0, -90, 0]) m3Bolt();
// -bottom no nut
translate([-(XWidth/2) + 2.5 + 5, -FrontOffset, -XOffset - 8]) rotate([0, -90, 0]) m3Bolt();
translate([(XWidth/2) - 2.5, -FrontOffset, -XOffset]) rotate([0, -90, 0]) TNut();
translate([(XWidth/2) - 2.5, -FrontOffset, -XOffset]) rotate([0, -90, 0]) TNut(0.3, 0.3);
//m3s
// -center
translate([(XWidth/2) - 2.5 - 5, -FrontOffset - 8, -XOffset]) rotate([0, 90, 0]) rotate([0, 0, 90]) m3BoltNut();
@ -131,9 +131,9 @@ module lensAssemblyThreadedZ () {
translate([8, -BackOffset, 0]) cube([8, 7, 52], center = true);
//T nuts
//top
translate([0, 0, (Z / 2) - 4]) rotate([180, 0, 0]) TNut();
translate([0, 0, (Z / 2) - 4]) rotate([180, 0, 0]) TNut(0.3, 0.3);
//bottom
translate([0, 0, -(Z / 2) + 4]) TNut();
translate([0, 0, -(Z / 2) + 4]) TNut(0.3, 0.3);
//----
//T nut M3 bolts
@ -197,14 +197,14 @@ module lensAssemblyLinearZ () {
translate([0, -BackOffset, -(Z / 2) - 11]) cube([23, 22, 22], center = true);
//z linear bearing
translate([0, 0, -(Z / 2) + ZLinearBearing]) {
linearBearing(0.25);
translate([LinearBearingOuterDiameter / 2, 0, 0]) cube([LinearBearingOuterDiameter, LinearBearingOuterDiameter, LinearBearingHeight], center = true);
linearBearing(0.25, 0.3);
translate([LinearBearingOuterDiameter / 2, 0, 0]) cube([LinearBearingOuterDiameter, LinearBearingOuterDiameter + 0.25, LinearBearingHeight + 0.3], center = true);
}
//z linear bearing
translate([0, 0, -(Z / 2) + ZLinearBearing + 32]) {
linearBearing(0.25);
translate([LinearBearingOuterDiameter / 2, 0, 0]) cube([LinearBearingOuterDiameter, LinearBearingOuterDiameter, LinearBearingHeight], center = true);
linearBearing(0.25, 0.3);
translate([LinearBearingOuterDiameter / 2, 0, 0]) cube([LinearBearingOuterDiameter, LinearBearingOuterDiameter + 0.25, LinearBearingHeight + 0.3], center = true);
}
//x threaded rod
translate([0, -BackOffset, -XOffset]) rotate([0, 90, 0]) threadedRod(50, 0.5);