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Add option for fixed side modules. This simplifies assembly and removes some awkward printing topology

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This commit is contained in:
zhao
2024-08-30 14:54:16 -04:00
committed by jazwa
parent cab2d1c6c9
commit 520ee9eadf
36 changed files with 221 additions and 104 deletions
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18
rack/assembly/addMagnetsToMagnetModules.scad
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@ -1,4 +1,5 @@
include <./common.scad>
use <./slideHexNutsIntoYBar.scad>
$vpt = [21,-15,20];
$vpr = [65,0,40];
@ -10,8 +11,16 @@ addMagnetsToMagnetModules(at=$t);
module addMagnetsToMagnetModules(at=0) {
t = lerp(a=6,b=0,t=at);
if (!plasticMask) {
magnetModule();
if (fixedSideModules) {
multmatrix(yBarToMagnetModuleTrans)
slideHexNutsIntoYBar(at=1);
}
else {
magnetModule();
}
}
function insertMagnetTrans(t=0) =
@ -20,6 +29,9 @@ module addMagnetsToMagnetModules(at=0) {
magnetModuleMagnetMountDz]) *
rotate(a=[0,90,0]);
multmatrix(insertMagnetTrans(t=t))
magnet();
multmatrix(insertMagnetTrans(t=t))
magnet();
}

96
rack/assembly/attachSideConnectorModulesToYBars.scad
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@ -2,6 +2,11 @@ include <./common.scad>
use <./screwXBarAndYBar.scad>
use <./addMagnetsToMagnetModules.scad>
/*
NOTE You only need to do this step if the `fixedSideModules` option is set to false.
*/
$vpt = [116,90,18];
$vpr = [56,0,42];
$vpd = 550;
@ -10,50 +15,57 @@ $vpf = 22.50;
attachSideConnectorModulesToYBars(at=$t);
module attachSideConnectorModulesToYBars(at=0) {
elevation = lerp(a=8, b=0, t=at);
elevation = lerp(a=8, b=0, t=at);
// side module to front corner ybar
function sideModuleTrans(t=0) =
translate(v=[sideWallConnW,0,t-sideWallConnLugDepression])
* yBarSideModuleConnectorTrans
* mirror(v=[1,0,0]); // mirror for magnetModule
// side module to front corner ybar
function sideModuleTrans(t=0) =
translate(v=[sideWallConnW,0,t-sideWallConnLugDepression])
* yBarSideModuleConnectorTrans
* mirror(v=[1,0,0]); // mirror for magnetModule
screwXBarAndYBar(at=1);
screwXBarAndYBar(at=1);
multmatrix(sideModuleTrans(elevation))
union() {
addMagnetsToMagnetModules(at=1);
if (!fixedSideModules) {
multmatrix(sideModuleTrans(elevation))
union() {
translate(v=[yBarScrewHoleToOuterYEdge,yBarScrewHoleToFrontXEdge,sideWallConnLugDepression + 2*elevation])
caseScrewShort();
addMagnetsToMagnetModules(at=1);
translate(v=[yBarScrewHoleToOuterYEdge,yBarScrewHoleToFrontXEdge,sideWallConnLugDepression + 2*elevation])
caseScrewShort();
}
multmatrix(xBarSpaceToYBarSpace * xBarMirrorOtherCornerTrans * yBarSpaceToXBarSpace * sideModuleTrans(elevation))
union() {
addMagnetsToMagnetModules(at=1);
translate(v=[yBarScrewHoleToOuterYEdge,yBarScrewHoleToFrontXEdge,sideWallConnLugDepression + 2*elevation])
caseScrewShort();
}
multmatrix(yBarMirrorOtherCornerTrans * sideModuleTrans(elevation))
union() {
if (!plasticMask) {
hingeModule();
}
translate(v=[yBarScrewHoleToOuterYEdge,yBarScrewHoleToFrontXEdge,sideWallConnLugDepression + 2*elevation])
caseScrewShort();
}
multmatrix(xBarSpaceToYBarSpace * xBarMirrorOtherCornerTrans * yBarSpaceToXBarSpace * yBarMirrorOtherCornerTrans * sideModuleTrans(elevation))
union() {
if (!plasticMask) {
hingeModule();
}
translate(v=[yBarScrewHoleToOuterYEdge,yBarScrewHoleToFrontXEdge,sideWallConnLugDepression + 2*elevation])
caseScrewShort();
}
}
multmatrix(xBarSpaceToYBarSpace * xBarMirrorOtherCornerTrans * yBarSpaceToXBarSpace * sideModuleTrans(elevation))
union() {
addMagnetsToMagnetModules(at=1);
translate(v=[yBarScrewHoleToOuterYEdge,yBarScrewHoleToFrontXEdge,sideWallConnLugDepression + 2*elevation])
caseScrewShort();
}
multmatrix(yBarMirrorOtherCornerTrans * sideModuleTrans(elevation))
union() {
if (!plasticMask) {
hingeModule();
}
translate(v=[yBarScrewHoleToOuterYEdge,yBarScrewHoleToFrontXEdge,sideWallConnLugDepression + 2*elevation])
caseScrewShort();
}
multmatrix(xBarSpaceToYBarSpace * xBarMirrorOtherCornerTrans * yBarSpaceToXBarSpace * yBarMirrorOtherCornerTrans * sideModuleTrans(elevation))
union() {
if (!plasticMask) {
hingeModule();
}
translate(v=[yBarScrewHoleToOuterYEdge,yBarScrewHoleToFrontXEdge,sideWallConnLugDepression + 2*elevation])
caseScrewShort();
}
}
}

17
rack/assembly/attachXBarWithYBar.scad
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@ -1,5 +1,6 @@
include <./common.scad>
use <./slideHexNutsIntoYBar.scad>
use <./addMagnetsToMagnetModules.scad>
$vpt = [116,90,18];
$vpr = [56,0,42];
@ -14,10 +15,22 @@ module attachXBarWithYBar(at=0) {
// assemble x-y bar trays
multmatrix(translate(v = [0, 0, t]))
slideHexNutsIntoYBar(at=1);
if (fixedSideModules) {
multmatrix(inv4x4(yBarToMagnetModuleTrans))
addMagnetsToMagnetModules(at=1); // same as slideHexNutsIntoYBar, but the magnet has already been inserted
} else {
slideHexNutsIntoYBar(at=1);
}
multmatrix(translate(v = [0, 0, t])*xBarSpaceToYBarSpace*xBarMirrorOtherCornerTrans*yBarSpaceToXBarSpace)
slideHexNutsIntoYBar(at=1);
if (fixedSideModules) {
multmatrix(inv4x4(yBarToMagnetModuleTrans))
addMagnetsToMagnetModules(at=1);
} else {
slideHexNutsIntoYBar(at=1);
}
if (!plasticMask) {
multmatrix(xBarSpaceToYBarSpace)

2
rack/assembly/attachXYTrays.scad
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@ -33,4 +33,4 @@ module attachXYTrays(at=0,r=0) {
}
propUpBottomXYTraywithSideWalls(at=1,r=r);
}
}

10
rack/assembly/common.scad
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@ -56,6 +56,14 @@ module mirrorAllTrayCornersFromYBarSpace() {
secondStackTrans = upperXYTrayTrans * mirror(v=[0,0,1]);
yBarToMagnetModuleTrans =
translate(v=[13,0,sideWallConnLugDepression]) *
inv4x4(yBarSideModuleConnectorTrans) *
mirror(v=[1,0,0]);
module caseScrewShort() {
if (!screwMask) {
color([1, 1, 1]) {
@ -117,4 +125,4 @@ module arrow(length) {
cylinder(r = 1, h = length-2);
}
}
}

9
rack/assembly/slideHexNutsIntoYBar.scad
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@ -32,8 +32,11 @@ module slideHexNutsIntoYBar(at=0)
rotate(a=[0,90,0]);
module slideHexNutsOneCorner(t=0) {
multmatrix(sideModuleTrans(t = t))
hexNut(rackFrameScrewType);
if (!fixedSideModules) {
multmatrix(sideModuleTrans(t = t))
hexNut(rackFrameScrewType);
}
multmatrix(mainRailTrans(t = t))
hexNut(rackFrameScrewType);
@ -49,4 +52,4 @@ module slideHexNutsIntoYBar(at=0)
slideHexNutsOneCorner(t = t);
}
}
}

6
rack/connector/connectors.scad
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@ -52,6 +52,10 @@ module connectorPositive(on, to) {
onYBarToXBarPositive();
} else if (on == "yBar" && to == "basePlate") {
onYBarBasePlateConnectorPositive();
} else if (on == "yBar" && to == "magnetModule") {
onYBarMagnetModulePositive();
} else if (on == "yBar" && to == "hingeModule") {
onYBarHingeModulePositive();
} else if (on == "basePlate" && to == "yBar") {
onBasePlateToYBarConnectorPositive();
} else if (on == "xBar" && to == "yBar") {
@ -69,6 +73,8 @@ module connectorNegative(on, to) {
onXBarToYBarNegative();
} else if (on == "yBar" && to == "sideModule") {
onYBarSideModuleNegative();
} else if (on == "yBar" && to == "hingeModule") {
onYBarHingeModuleNegative();
} else if (on == "yBar" && to == "mainRail") {
onYBarToMainRailNegative();
} else if (on == "yBar" && to == "stackConnector") {

44
rack/connector/sideModuleYBarConnectors.scad
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@ -2,13 +2,47 @@ include <../../helper/common.scad>
include <../../config/common.scad>
include <../sharedVariables.scad>
include <../side/sideWallVariables.scad>
include <../side/magnetModule.scad>
include <../side/hingeModule.scad>
module onYBarSideModuleNegative() {
module onYBarSideModuleNegative(fixed=false) {
translate(v = [-xySlack/2, -xySlack/2, -sideWallConnLugDepression])
cube(size = [sideWallConnW+xySlack, sideWallConnD+xySlack, sideWallConnLugDepression]);
translate(v = [yBarScrewHoleToOuterYEdge, yBarScrewHoleToFrontXEdge, -(4+sideWallConnLugDepression)])
rotate(a=[0,0,90])
hexNutPocket_N("m3", openSide=false, backSpace=5, bridgeFront=true);
}
if (!fixed) {
translate(v = [yBarScrewHoleToOuterYEdge, yBarScrewHoleToFrontXEdge, -(4+sideWallConnLugDepression)])
rotate(a=[0,0,90])
hexNutPocket_N("m3", openSide=false, backSpace=5, bridgeFront=true);
}
}
module onYBarMagnetModulePositive() {
translate(v=[sideWallConnW,0,-sideWallConnLugDepression])
mirror(v=[1,0,0])
magnetModule(fixed=true);
}
module onYBarHingeModulePositive() {
translate(v=[sideWallConnW,0,-sideWallConnLugDepression])
mirror(v=[1,0,0])
hingeModule(fixed=false);
}
module onYBarHingeModuleNegative() {
translate(v=[sideWallConnW,0,-sideWallConnLugDepression])
mirror(v=[1,0,0])
difference() {
cube(size=[sideWallConnW,sideWallConnD,sideWallConnLugDepression]);
hingeModule(fixed=true);
}
}

0
rack/print/yBar_P.scad → rack/print/yBarLeft_P.scad
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7
rack/print/yBarRight_P.scad Normal file
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@ -0,0 +1,7 @@
use <../yBar.scad>
// Oriented for 3d printing.
// Supports required at XY wall connections, and depending on roundness
mirror(v=[1,0,0])
yBar();

21
rack/side/hingeModule.scad
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@ -3,18 +3,18 @@ include <../../config/common.scad>
include <../sharedVariables.scad>
include <./sideWallVariables.scad>
hingeModule();
module hingeModule() {
module hingeModule(fixed=false) {
applyHingePole()
applyYBarScrewMount()
applyYBarScrewMount(fixed)
base();
connW = sideWallConnW;
connD = sideWallConnD;
module base() {
connW = sideWallConnW;
connD = sideWallConnD;
intersection() {
union() {
@ -57,10 +57,13 @@ module hingeModule() {
}
module applyYBarScrewMount() {
module applyYBarScrewMount(fixed=false) {
apply_n() {
translate(v = [yBarScrewHoleToOuterYEdge, yBarScrewHoleToFrontXEdge, sideWallConnLugDepression])
counterSunkHead_N(rackFrameScrewType, headExtension = eps, screwExtension = inf10);
if (!fixed) {
translate(v = [yBarScrewHoleToOuterYEdge, yBarScrewHoleToFrontXEdge, sideWallConnLugDepression])
counterSunkHead_N(rackFrameScrewType, headExtension = eps, screwExtension = inf10);
}
children(0);
}

23
rack/side/magnetModule.scad
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@ -4,20 +4,19 @@ include <../sharedVariables.scad>
include <./sideWallVariables.scad>
magnetModule();
module magnetModule(fixed=false) {
module magnetModule() {
applyYBarScrewMount()
applyYBarScrewMount(fixed)
applyMagnetMount()
base();
connW = sideWallConnW;
connD = sideWallConnD;
module base() {
connW = sideWallConnW;
connD = sideWallConnD;
intersection() {
cube(size = [connW, connD, sideWallConnLugDepression]);
// TODO: pattern for this? beef up mirror4XY?
@ -29,10 +28,14 @@ module magnetModule() {
}
}
module applyYBarScrewMount() {
module applyYBarScrewMount(fixed=false) {
apply_n() {
translate(v = [yBarScrewHoleToOuterYEdge, yBarScrewHoleToFrontXEdge, sideWallConnLugDepression])
counterSunkHead_N(rackFrameScrewType, headExtension = eps, screwExtension = inf10);
if (!fixed) {
translate(v = [yBarScrewHoleToOuterYEdge, yBarScrewHoleToFrontXEdge, sideWallConnLugDepression])
counterSunkHead_N(rackFrameScrewType, headExtension = eps, screwExtension = inf10);
}
children(0);
}

18
rack/yBar.scad
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@ -9,7 +9,7 @@ module yBar() {
applyOnYBarBothCorners(to="basePlate", trans=yBarBasePlateConnectorTrans)
applyOnYBarBothCorners(to="stackConnector", trans=yBarStackConnectorTrans)
applyOnYBarBothCorners(to="sideModule", trans=yBarSideModuleConnectorTrans)
applySideModules()
applyOnYBarBothCorners(to="mainRail", trans=yBarMainRailConnectorTrans)
applyOnYBarBothCorners(to="xBar", trans=yBarXBarConnectorTrans)
yBarBase();
@ -33,4 +33,20 @@ module yBar() {
applyConnector(on="yBar", to=to, trans=yBarMirrorOtherCornerTrans * trans)
children(0);
}
module applySideModules() {
if (!fixedSideModules) {
applyOnYBarBothCorners(to="sideModule", trans=yBarSideModuleConnectorTrans)
children(0);
} else {
applyConnector(on="yBar", to="magnetModule", trans=yBarSideModuleConnectorTrans)
applyConnector(on="yBar", to="hingeModule", trans=yBarMirrorOtherCornerTrans * yBarSideModuleConnectorTrans)
children(0);
}
}
}