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move screws.scad

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zhao
2023-01-12 00:07:02 -05:00
parent 233bdf3145
commit 0b05249d7b
7 changed files with 9 additions and 8 deletions
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2
rack/mainRail.scad
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include <./config.scad>
include <./screws.scad>
include <../helper/screws.scad>
include <../helper/math.scad>
/* Small horizontal planes at the top and bottom of the main rails. Used so we can fasten the rail to the frame

97
rack/screws.scad
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/* Some common screw dimensions and helper functions/modules */
include <../helper/math.scad>
include <../helper/common.scad>
/********************************************************************************/
// M3 dimensions
m3HoleRadiusSlack = 0.4; // higher slack for not-so straight heat set inserts
m3Diameter = 3.0;
m3Radius = m3Diameter / 2.0;
m3RadiusSlacked = m3Radius + m3HoleRadiusSlack;
m3HexNutWidthAcrossFlats = 5.41;
m3HexNutWidthAcrossCorners = FtoG(m3HexNutWidthAcrossFlats);
m3HexNutThickness = 2.18;
m3HeatSetInsertSlotRadiusSlack = -0.1;
m3HeatSetInsertSlotHeightSlack = 0.5;
m3HeatSetInsertSlotRadius = 2.5;
m3HeatSetInsertSlotHeight = 6;
m3HeatSetInsertSlotRadiusSlacked = m3HeatSetInsertSlotRadius+m3HeatSetInsertSlotRadiusSlack;
m3HeatSetInsertSlotHeightSlacked = m3HeatSetInsertSlotHeight+m3HeatSetInsertSlotHeightSlack;
/********************************************************************************/
// M4 dimensions
m4HoleRadiusSlack = 0.15;
m4Diameter = 4.0;
m4Radius = m4Diameter / 2.0;
m4RadiusSlacked = m4Radius + m4HoleRadiusSlack;
m4HexNutWidthAcrossFlats = 6.89;
m4HexNutWidthAcrossCorners = FtoG(m4HexNutWidthAcrossFlats);
m4HexNutThickness = 3.07;
/********************************************************************************/
module heatSetInsertSlot_N(screwType) {
if (screwType == "m3") {
union() {
// actual slot for insert
cylinder(h = m3HeatSetInsertSlotHeightSlacked, r = m3HeatSetInsertSlotRadiusSlacked);
// extra space above slot to help with insertion
translate(v=[0, 0, m3HeatSetInsertSlotHeightSlacked])
cylinder(h = inf50, r = 1.3*m3HeatSetInsertSlotRadiusSlacked);
}
} else {
error("Unsupported screw type");
}
}
function screwRadiusSlacked(screwType) =
(screwType == "m3")
? m3RadiusSlacked
: (screwType == "m4")
? m4RadiusSlacked
: error("Unsupported screw type");
module hexNutPocket_N(screwType) {
if (screwType == "m3") {
hexNutPocketHelper_N(m3RadiusSlacked, m3HexNutWidthAcrossCorners / 2 + 0.1, m3HexNutThickness + 0.2);
} else if (screwType == "m4") {
hexNutPocketHelper_N(m4RadiusSlacked, m4HexNutWidthAcrossCorners / 2 + 0.1, m4HexNutThickness + 0.2);
} else {
error("Unsupported screw type");
}
}
module hexNutPocketHelper_N(innerRadius, widthAcrossCorners, thickness) {
union() {
hull() {
// hexagonal cylinder representing where the nut should fit
cylinder(r = widthAcrossCorners, h = thickness, center = true, $fn = 6);
// negative volume for sliding in the nut
translate(v = [inf50, 0, 0])
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);
hull() {
translate(v = [inf50, 0, 0])
cylinder(r = innerRadius, h = inf50, $fn = 32);
cylinder(r = innerRadius, h = inf50, $fn = 32);
}
}
}
// Convert a regular hexagon widthAcrossFlats to widthAcrossCorners
function FtoG(widthAcrossFlats) = widthAcrossFlats * (2 / sqrt(3));
// Convert a regular hexagon widthAcrossCorners to widthAcrossFlats
function GtoF(widthAcrossCorners) = widthAcrossCorners * (sqrt(3) / 2);

2
rack/sideWallConnector.scad
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include <./config.scad>
include <./screws.scad>
include <../helper/screws.scad>
module sideWallConnector_N() {

2
rack/stackConnector.scad
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include <../helper/math.scad>
include <../misc/magnet.scad>
include <../helper/common.scad>
include <../misc/magnet.scad>
connectorTaperStartHeight = 2;
connectorRectWidth = 10;

2
rack/xBar.scad
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include <../helper/sphericalFilet.scad>
include <../helper/cylindricalFilet.scad>
include <../helper/screws.scad>
include <./config.scad>
include <./screws.scad>
xBarDepth = 180;
xBarWidth = 32;

2
rack/xyBarConnector.scad
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include <../helper/screws.scad>
include <./config.scad>
include <./screws.scad>
module frontBarConnector_N() {

3
rack/yBar.scad
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include <../helper/math.scad>
include <../helper/sphericalFilet.scad>
include <../helper/cylindricalFilet.scad>
include <../helper/screws.scad>
include <../misc/magnet.scad>
include <./config.scad>
include <./screws.scad>
include <./mainRail.scad>
// Connectors