This commit is contained in:
zhao
2023-01-10 23:30:19 -05:00
parent 43c2aceba5
commit bb6288ee32
83 changed files with 172 additions and 172 deletions

113
old/screws.scad Normal file
View File

@ -0,0 +1,113 @@
/* Some common screw dimensions */
inf = 400; // basically infinity
/********************************************************************************/
// M3 dimensions
m3HoleRadiusSlack = 0.15;
m3Diameter = 3.0;
m3Radius = m3Diameter/2.0;
m3RadiusSlacked = m3Radius + m3HoleRadiusSlack;
// legacy TODO: replace
m3ptr = m3RadiusSlacked;
// NUTS!
m3HexNutWidthAcrossFlats = 5.41;
m3HexNutWidthAcrossCorners = FtoG(m3HexNutWidthAcrossFlats);
m3HexNutThickness = 2.18;
module m3HexNutPocketNegative() {
hexNutPocketNegative(m3RadiusSlacked,
m3HexNutWidthAcrossCorners/2 + 0.1,
m3HexNutThickness + 0.2);
}
// TODO: remove test
*difference() {
cube(size=[8,12,5], center=true);
rotate(a=[0,0,20])
m3HexNutPocketNegative();
}
*m3HexNutPocketNegative();
/********************************************************************************/
// 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 m4HexNutPocketNegative() {
hexNutPocketNegative(m4RadiusSlacked,
m4HexNutWidthAcrossCorners/2 + 0.1,
m4HexNutThickness + 0.2);
}
// TODO: remove test
*difference() {
translate(v=[0,1,0])
cube(size=[10,12,6], center=true);
rotate(a=[0,0,20])
m4HexNutPocketNegative();
}
*m4HexNutPocketNegative();
/********************************************************************************/
// 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);
module hexNutPocketNegative(
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=[inf,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 = inf, $fn=32);
hull() {
translate(v=[inf,0,0])
cylinder(r=innerRadius, h = inf, $fn=32);
cylinder(r=innerRadius, h = inf, $fn=32);
}
}
}

View File

@ -1,4 +1,4 @@
include <../math.scad> include <../helper/math.scad>
include <./config.scad> include <./config.scad>
include <./mainRail.scad> include <./mainRail.scad>
include <./yBar.scad> include <./yBar.scad>

0
rack/connectors.scad Normal file
View File

View File

@ -1,6 +1,6 @@
include <./config.scad> include <./config.scad>
include <./screws.scad> include <./screws.scad>
include <../math.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 /* Small horizontal planes at the top and bottom of the main rails. Used so we can fasten the rail to the frame
Note that this value is also used for a depression at the bottom/top of the frame for aligning the rail */ Note that this value is also used for a depression at the bottom/top of the frame for aligning the rail */

View File

@ -1,113 +1,97 @@
/* Some common screw dimensions and helper functions/modules */
/* Some common screw dimensions */ include <../helper/math.scad>
include <../helper/common.scad>
inf = 400; // basically infinity
/********************************************************************************/ /********************************************************************************/
// M3 dimensions // M3 dimensions
m3HoleRadiusSlack = 0.4; // higher slack for not-so straight heat set inserts
m3HoleRadiusSlack = 0.15;
m3Diameter = 3.0; m3Diameter = 3.0;
m3Radius = m3Diameter/2.0; m3Radius = m3Diameter / 2.0;
m3RadiusSlacked = m3Radius + m3HoleRadiusSlack; m3RadiusSlacked = m3Radius + m3HoleRadiusSlack;
// legacy TODO: replace
m3ptr = m3RadiusSlacked;
// NUTS!
m3HexNutWidthAcrossFlats = 5.41; m3HexNutWidthAcrossFlats = 5.41;
m3HexNutWidthAcrossCorners = FtoG(m3HexNutWidthAcrossFlats); m3HexNutWidthAcrossCorners = FtoG(m3HexNutWidthAcrossFlats);
m3HexNutThickness = 2.18; m3HexNutThickness = 2.18;
module m3HexNutPocketNegative() { m3HeatSetInsertSlotRadiusSlack = -0.1;
hexNutPocketNegative(m3RadiusSlacked, m3HeatSetInsertSlotHeightSlack = 0.5;
m3HexNutWidthAcrossCorners/2 + 0.1,
m3HexNutThickness + 0.2);
}
m3HeatSetInsertSlotRadius = 2.5;
m3HeatSetInsertSlotHeight = 6;
// TODO: remove test m3HeatSetInsertSlotRadiusSlacked = m3HeatSetInsertSlotRadius+m3HeatSetInsertSlotRadiusSlack;
m3HeatSetInsertSlotHeightSlacked = m3HeatSetInsertSlotHeight+m3HeatSetInsertSlotHeightSlack;
*difference() {
cube(size=[8,12,5], center=true);
rotate(a=[0,0,20])
m3HexNutPocketNegative();
}
*m3HexNutPocketNegative();
/********************************************************************************/ /********************************************************************************/
// M4 dimensions // M4 dimensions
m4HoleRadiusSlack = 0.15; m4HoleRadiusSlack = 0.15;
m4Diameter = 4.0; m4Diameter = 4.0;
m4Radius = m4Diameter/2.0; m4Radius = m4Diameter / 2.0;
m4RadiusSlacked = m4Radius + m4HoleRadiusSlack; m4RadiusSlacked = m4Radius + m4HoleRadiusSlack;
m4HexNutWidthAcrossFlats = 6.89; m4HexNutWidthAcrossFlats = 6.89;
m4HexNutWidthAcrossCorners = FtoG(m4HexNutWidthAcrossFlats); m4HexNutWidthAcrossCorners = FtoG(m4HexNutWidthAcrossFlats);
m4HexNutThickness = 3.07; m4HexNutThickness = 3.07;
module m4HexNutPocketNegative() {
hexNutPocketNegative(m4RadiusSlacked,
m4HexNutWidthAcrossCorners/2 + 0.1,
m4HexNutThickness + 0.2);
}
// TODO: remove test
*difference() {
translate(v=[0,1,0])
cube(size=[10,12,6], center=true);
rotate(a=[0,0,20])
m4HexNutPocketNegative();
}
*m4HexNutPocketNegative();
/********************************************************************************/ /********************************************************************************/
// Convert a regular hexagon widthAcrossFlats to widthAcrossCorners module heatSetInsertSlot_N(screwType) {
function FtoG(widthAcrossFlats) = widthAcrossFlats * (2/sqrt(3)); if (screwType == "m3") {
// Convert a regular hexagon widthAcrossCorners to widthAcrossFlats
function GtoF(widthAcrossCorners) = widthAcrossCorners * (sqrt(3)/2);
module hexNutPocketNegative(
innerRadius,
widthAcrossCorners,
thickness)
{
union() { 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() { hull() {
// hexagonal cylinder representing where the nut should fit // hexagonal cylinder representing where the nut should fit
cylinder(r=widthAcrossCorners, h=thickness, center=true, $fn=6); cylinder(r = widthAcrossCorners, h = thickness, center = true, $fn = 6);
// negative volume for sliding in the nut // negative volume for sliding in the nut
translate(v=[inf,0,0]) translate(v = [inf50, 0, 0])
cylinder(r=widthAcrossCorners, h=thickness, center=true, $fn=6); cylinder(r = widthAcrossCorners, h = thickness, center = true, $fn = 6);
} }
// negative volume for screw lead // negative volume for screw lead
translate(v=[0,0,-10]) translate(v = [0, 0, - 10])
cylinder(r=innerRadius, h = inf, $fn=32); cylinder(r = innerRadius, h = inf50, $fn = 32);
hull() { hull() {
translate(v=[inf,0,0]) translate(v = [inf50, 0, 0])
cylinder(r=innerRadius, h = inf, $fn=32); cylinder(r = innerRadius, h = inf50, $fn = 32);
cylinder(r=innerRadius, h = inf, $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);

View File

@ -1,6 +1,6 @@
include <../math.scad> include <../helper/math.scad>
include <../misc/magnet.scad> include <../misc/magnet.scad>
include <../common.scad> include <../helper/common.scad>
connectorTaperStartHeight = 2; connectorTaperStartHeight = 2;
connectorRectWidth = 10; connectorRectWidth = 10;

View File

@ -1,4 +1,4 @@
include <../math.scad> include <../helper/math.scad>
include <../misc/magnet.scad> include <../misc/magnet.scad>
include <../helper/sphericalFilet.scad> include <../helper/sphericalFilet.scad>
include <../helper/cylindricalFilet.scad> include <../helper/cylindricalFilet.scad>

Binary file not shown.

Binary file not shown.

Binary file not shown.

View File

@ -1,97 +0,0 @@
/* Some common screw dimensions and helper functions/modules */
include <../math.scad>
include <../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);

Binary file not shown.