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wip - remove heat set inserts

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zhao
2023-06-03 10:21:28 -04:00
parent ffe73c414b
commit e14a986e9e
25 changed files with 392103 additions and 215905 deletions
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50
helper/screws.scad
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@ -137,20 +137,27 @@ module heatSetInsert(screwType) {
}
module hexNutPocket_N(screwType, openSide=true) {
module hexNutPocket_N(screwType, openSide=true, backSpace=inf10, bridgeFront=false, bridgeBack=false ) {
heightSlack = bridgeFront || bridgeBack ? overhangSlack: xySlack;
if (screwType == "m3") {
hexNutPocketHelper_N(m3RadiusSlacked, m3HexNutWidthAcrossCorners / 2 + 0.3, m3HexNutThickness + 0.3, openSide=openSide);
hexNutPocketHelper_N(m3RadiusSlacked, m3HexNutWidthAcrossCorners / 2 + 0.3, m3HexNutThickness + heightSlack, openSide=openSide, backSpace=backSpace, bridgeFront=bridgeFront, bridgeBack=bridgeBack);
} else if (screwType == "m4") {
hexNutPocketHelper_N(m4RadiusSlacked, m4HexNutWidthAcrossCorners / 2 + 0.1, m4HexNutThickness + 0.2, openSide=openSide);
hexNutPocketHelper_N(m4RadiusSlacked, m4HexNutWidthAcrossCorners / 2 + 0.1, m4HexNutThickness + heightSlack, openSide=openSide, backSpace=backSpace, bridgeFront=bridgeFront, bridgeBack=bridgeBack);
} else {
error("Unsupported screw type");
}
}
module hexNutPocketHelper_N(innerRadius, widthAcrossCorners, thickness, openSide=true) {
module hexNutPocketHelper_N(innerRadius, widthAcrossCorners, thickness, openSide=true, backSpace=inf10, bridgeFront=false, bridgeBack=false) {
assert (!(bridgeFront && bridgeBack));
assert (!(openSide && bridgeFront));
union() {
hull() {
// hexagonal cylinder representing where the nut should fit
// hexagonal prism representing where the nut should fit
cylinder(r = widthAcrossCorners, h = thickness, center = true, $fn = 6);
// negative volume for sliding in the nut
@ -158,9 +165,36 @@ module hexNutPocketHelper_N(innerRadius, widthAcrossCorners, thickness, openSide
cylinder(r = widthAcrossCorners, h = thickness, center = true, $fn = 6);
}
// negative volume for screw lead
translate(v = [0, 0, - 10])
cylinder(r = innerRadius, h = inf50, $fn = 32);
// negative volume for screw
union() {
// screw lead spacing
translate(v = [0, 0, -backSpace])
cylinder(r = innerRadius, h = backSpace, $fn = 32);
cylinder(r=innerRadius, h=inf50, $fn=32);
if (bridgeFront) {
union() {
// first bridge layer
translate(v=[0,0,thickness/2 + 0.2/2])
cube(size=[2*innerRadius, GtoF(widthAcrossCorners)*2, 0.2], center=true);
translate(v=[0,0,thickness/2+ 0.3])
cube(size=[2*innerRadius, 2*innerRadius, 0.2], center=true);
}
}
if (bridgeBack) {
union() {
// first bridge layer
translate(v=[0,0,-(thickness/2 + 0.2/2)])
cube(size=[2*innerRadius, GtoF(widthAcrossCorners)*2, 0.2], center=true);
translate(v=[0,0,-(thickness/2+ 0.3)])
cube(size=[2*innerRadius, 2*innerRadius, 0.2], center=true);
}
}
}
if (openSide) {
hull() {

4
helper/slack.scad
View File

@ -19,9 +19,9 @@ radiusXYSlack = xySlack/2;
zSlack = 0.0; // TODO figure out nice default value for this. keep in mind z shrinkage
overhangSlack = 0.6;
overhangSlack = 0.4;
supportedOverhangSlack = 0.5;
supportedOverhangSlack = 0.4;
// special slack cases, change if neccessary