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improve tray part

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This commit is contained in:
zhao
2023-08-26 17:23:53 -04:00
parent cd9a29848e
commit a717ef15e8
56 changed files with 125 additions and 72 deletions
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84
rack-mount/tray.scad
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@ -1,14 +1,16 @@
include <./common.scad>
use <./rackEars.scad>
/*
Parametric rack-mount tray -
Please see print/tray_P.scad for configuring/printing
module bottomScrewTray(u, trayWidth, trayDepth, trayThickness, mountPoints, mountScrewType, lipThickness=3) {
Please also make sure that the correct rack frame preset is set in rackFrame.scad.
*/
frontLipHeight = 2;
backLipHeight = 1; // also applies to sides
module bottomScrewTray(u, trayWidth, trayDepth, trayThickness, mountPoints, mountPointElevation, mountPointType, frontThickness, sideThickness, frontLipHeight, backLipHeight, trayLeftPadding, sideSupport=true) {
rackEarSideThickness = 3;
rackEarFrontThickness = 3;
lipThickness = sideThickness;
screwDx = rackMountScrewWidth; // x dist between the mount holes
screwDz = uDiff * u;
@ -16,82 +18,66 @@ module bottomScrewTray(u, trayWidth, trayDepth, trayThickness, mountPoints, moun
plateLength = screwDx + 2*rackMountScrewXDist;
plateHeight = screwDz + 2*rackMountScrewZDist;
minScrewToTraySpacing = 8;
minScrewToTraySpacing = railScrewHoleToInnerEdge;
// TODO: toggle this based on left/right/middle alignment
leftScrewDistToTray = minScrewToTraySpacing + 2 + 10;
leftScrewDistToTray = minScrewToTraySpacing + trayLeftPadding;
leftScrewGlobalX = -leftScrewDistToTray;
rightScrewGlobalX = screwDx + leftScrewGlobalX;
points=mountPoints;
// check (tray width)+(configured extra space) fits within the rack
assert(trayWidth <= screwDx-(2*minScrewToTraySpacing + trayLeftPadding));
difference() {
applyMountHoles(points)
translate(v = [-rackEarSideThickness, -rackEarFrontThickness, -trayThickness])
applyMountHoles()
translate(v = [-sideThickness, -frontThickness, -trayThickness])
body();
// hack
*union() {
translate(v = [-20, 18, 15])
rotate(a = [0, 90, 0])
cylinder(r = 10, h = inf);
translate(v = [-20, 40, 13])
rotate(a = [0, 90, 0])
cylinder(r = 7, h = inf);
}
}
module body() {
// base
cube(size = [trayWidth, trayDepth, trayThickness]);
// front lip
translate(v = [0, 0, trayThickness])
cube(size = [trayWidth, lipThickness, frontLipHeight]);
// back lip
translate(v = [0, trayDepth-lipThickness, trayThickness])
cube(size = [trayWidth, lipThickness, backLipHeight]);
translate(v = [0, 0, trayThickness])
cube(size = [lipThickness, trayDepth, backLipHeight]);
translate(v = [trayWidth-lipThickness, 0, trayThickness])
cube(size = [lipThickness, trayDepth, backLipHeight]);
translate(v = [leftScrewGlobalX, 0, rackMountScrewZDist])
rackEarModule(frontThickness = rackEarFrontThickness, sideThickness = rackEarSideThickness, frontWidth =
leftScrewDistToTray+rackMountScrewXDist+rackEarSideThickness, sideDepth = trayDepth-lipThickness, u = u, backPlaneHeight=trayThickness+backLipHeight);
rackEarModule(frontThickness = frontThickness, sideThickness = sideThickness, frontWidth =
leftScrewDistToTray+rackMountScrewXDist+sideThickness, sideDepth = trayDepth-lipThickness, u = u, backPlaneHeight=trayThickness+backLipHeight, support=sideSupport);
translate(v = [rightScrewGlobalX, 0, rackMountScrewZDist])
mirror(v = [1, 0, 0])
rackEarModule(frontThickness = rackEarFrontThickness, sideThickness = rackEarSideThickness, frontWidth =
rightScrewGlobalX-trayWidth+rackMountScrewXDist+rackEarSideThickness, sideDepth = trayDepth-lipThickness, u = u, backPlaneHeight=trayThickness+backLipHeight);
rackEarModule(frontThickness = frontThickness, sideThickness = sideThickness, frontWidth =
rightScrewGlobalX-trayWidth+rackMountScrewXDist+sideThickness, sideDepth = trayDepth-lipThickness, u = u, backPlaneHeight=trayThickness+backLipHeight, support=sideSupport);
}
module applyMountHoles(points) {
module applyMountHoles() {
mountPointPosThickness = 2;
apply_pn() {
for (i = [0:len(points)-1]) {
p = points[i];
x = p[0];
y = p[1];
elevation = p[2];
hR = p[3];
hT = p[4];
for (i = [0:len(mountPoints)-1]) {
x = mountPoints[i][0];
y = mountPoints[i][1];
translate(v=[x, y, 0])
cylinder(r=hR+hT, h=elevation);
cylinder(r=screwRadiusSlacked(mountPointType)+mountPointPosThickness, h=mountPointElevation);
}
for (i = [0:len(points)-1]) {
p = points[i];
x = p[0];
y = p[1];
hR = p[3];
hT = p[4];
translate(v=[x, y, 0])
cylinder(r=hR, h=inf50, center=true);
for (i = [0:len(mountPoints)-1]) {
x = mountPoints[i][0];
y = mountPoints[i][1];
translate(v=[x, y, -trayThickness])
mirror(v=[0,0,1])
counterSunkHead_N(mountPointType, inf, inf);
}
children(0);
}