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work on connectingBar

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This commit is contained in:
zhao
2023-01-02 23:55:26 -05:00
parent 1b923fa215
commit 5d4252b62d
7 changed files with 197 additions and 55 deletions
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78
cases/rack2/mainRail.scad
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@ -1,4 +1,5 @@
include <./config.scad>
include <../math.scad>
include <./screws.scad>
/* Small horizontal planes at the top and bottom of the main rails. Used so we can fasten the rail to the frame
@ -7,47 +8,49 @@ railFootThickness = 3;
railTotalHeight = screwDiff * (numRailScrews + 1) + 2 * railFootThickness;
mainRail();
echo("Total Rail Height = ", railTotalHeight);
// Distance between the middle of a screw mount and the rail's vertical edges
railScrewHoleToInnerEdge = 5;
railScrewHoleToOuterEdge = 5;
// Distance between the midpoint of the rail screw holes.
rackMountScrewWidth = maxUnitWidth + 2 * railScrewHoleToInnerEdge;
railFrontThickness = 6; // Make sure that the nuts for the chosen screw type can slot within the front face
railSideMountThickness = 2.5;
railOtherThickness = 2.5;
// Extra spacing for screws.
frontScrewSpacing = 8;
sideSupportExtraSpace = 2;
sideSupportScrewHoleToFrontEdge = 5;
sideSupportScrewHoleToBackEdge = 4.5;
sideSupportDepth = sideSupportScrewHoleToBackEdge + sideSupportScrewHoleToFrontEdge;
frontFaceWidth = railScrewHoleToInnerEdge + railScrewHoleToOuterEdge;
railTotalWidth = frontFaceWidth;
railTotalDepth = railFrontThickness+railOtherThickness+frontScrewSpacing+sideSupportDepth;
*mainRail();
echo("Total Rail Height: ", railTotalHeight);
module mainRail() {
// Distance between the middle of a screw mount and the rail's vertical edges
railScrewHoleToInnerEdge = 5;
railScrewHoleToOuterEdge = 5;
// Distance between the midpoint of the rail screw holes.
rackMountScrewWidth = maxUnitWidth + 2 * railScrewHoleToInnerEdge;
railFrontThickness = 6; // Make sure that the nuts for the chosen screw type can slot within the front face
railSideMountThickness = 2.5;
railOtherThickness = 2.5;
// Extra spacing for the rack unit screws.
frontScrewSpacing = 8;
sideSupportExtraSpace = 2;
sideSupportScrewHoleToFrontEdge = 5;
sideSupportScrewHoleToBackEdge = 4.5;
sideSupportDepth = sideSupportScrewHoleToBackEdge + sideSupportScrewHoleToFrontEdge;
frontFaceWidth = railScrewHoleToInnerEdge + railScrewHoleToOuterEdge;
union() {
_frontRailSegment();
translate(v = [0, railFrontThickness, 0])
_connectingLBracketRailSegment();
translate(v = [frontFaceWidth - sideSupportExtraSpace, railFrontThickness + railOtherThickness + frontScrewSpacing,
0])
translate(v = [frontFaceWidth-sideSupportExtraSpace, railFrontThickness+railOtherThickness+frontScrewSpacing, 0])
rotate(a = [0, 0, 90])
_sideSupportSegment();
translate(v = [0, railFrontThickness + railOtherThickness + frontScrewSpacing, 0]) {
_railFeet();
translate(v = [0, 0, railTotalHeight - railFootThickness])
@ -68,7 +71,6 @@ module mainRail() {
}
module _connectingLBracketRailSegment() {
difference() {
cube(size = [railOtherThickness, frontScrewSpacing + railOtherThickness, railTotalHeight]);
@ -79,7 +81,7 @@ module mainRail() {
translate(v = [0, 4, railTotalHeight - (railFootThickness + screwDiff / 2)])
rotate(a = [0, 90, 0])
cylinder(r = screwRadiusSlacked(rackFrameScrewType), h = 10, $fn = 32, center = true);
cylinder(r = screwRadiusSlacked(rackFrameScrewType), h = inf10, $fn = 32, center = true);
}
}
@ -90,32 +92,40 @@ module mainRail() {
module _sideSupportSegment() {
difference() {
cube(size = [sideSupportDepth, railSideMountThickness, railTotalHeight]);
for (i = [1:numRailScrews]) {
translate(v = [sideSupportScrewHoleToFrontEdge, railFrontThickness / 2, i * screwDiff + railFootThickness])
rotate(a = [90, 0, 0])
cylinder(r = screwRadiusSlacked(mainRailSideMountScrewType), h = 10, $fn = 32);
cylinder(r = screwRadiusSlacked(mainRailSideMountScrewType), h = inf10, $fn = 32);
}
}
}
module _railFeet() {
difference() {
cube(size = [frontFaceWidth - sideSupportExtraSpace, sideSupportDepth, railFootThickness]);
hull() {
translate(v = [1.5, 5, 0])
cylinder(r = screwRadiusSlacked(rackFrameScrewType), h = 10, $fn = 32);
cylinder(r = screwRadiusSlacked(rackFrameScrewType), h = inf10, $fn = 32);
translate(v = [0, 5, 0])
cube(size = [0.1, screwRadiusSlacked(rackFrameScrewType) * 2, 10], center = true);
cube(size = [eps, screwRadiusSlacked(rackFrameScrewType) * 2, 10], center = true);
}
}
}
}
module railFeetSlot_N() {
union() {
cube(size = [railTotalWidth, railTotalDepth, railFootThickness]);
translate(v=[1.5, railTotalDepth - 4, -m3HeatSetInsertSlotHeightSlacked])
heatSetInsertSlot_N(rackFrameScrewType);
}
}