djsundog/NopSCADlib
1
0
Fork 0
mirror of https://github.com/DJSundog/NopSCADlib.git synced 2024-11-23 07:13:51 -05:00
Code Issues Projects Releases Wiki Activity

Fixed orientation of inverted pulley.

Browse Source 
Added stl and assembly calls.
Same render handling as pulleys.
Updated pics and readme.
This commit is contained in:
Chris Palmer 2021-01-10 12:11:03 +00:00
parent a8b634de39
commit c3fc352288
4 changed files with 160 additions and 66 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

121
printed/printed_pulleys.scad
View File

@ -1,5 +1,5 @@
// //
// NopSCADlib Copyright Chris Palmer 2018 // NopSCADlib Copyright Chris Palmer 2020
// nop.head@gmail.com // nop.head@gmail.com
// hydraraptor.blogspot.com // hydraraptor.blogspot.com
// //
@ -16,11 +16,9 @@
// You should have received a copy of the GNU General Public License along with NopSCADlib. // You should have received a copy of the GNU General Public License along with NopSCADlib.
// If not, see <https://www.gnu.org/licenses/>. // If not, see <https://www.gnu.org/licenses/>.
// //
// //! Printed pulleys are a remix of droftarts's (see <https://www.thingiverse.com/droftarts/designs>) Parametric Pulleys
// Printed pulleys are a remix of droftarts's (see <https://www.thingiverse.com/droftarts/designs>) Parametric Pulleys //! on Thingiverse (see <https://www.thingiverse.com/thing:16627>) and are licensed under the
// on Thingiverse (see <https://www.thingiverse.com/thing:16627>) and are licensed under the //! Creative Commons - Attribution - Share Alike license (see <https://creativecommons.org/licenses/by-sa/3.0/>)
// Creative Commons - Attribution - Share Alike license (see <https://creativecommons.org/licenses/by-sa/3.0/>)
//
// //
include <NopSCADlib/core.scad> include <NopSCADlib/core.scad>
@ -28,6 +26,8 @@ include <NopSCADlib/vitamins/pulleys.scad>
printed_pulley_GT2_profile = [[0.747183,-0.5],[0.747183,0],[0.647876,0.037218],[0.598311,0.130528],[0.578556,0.238423],[0.547158,0.343077],[0.504649,0.443762],[0.451556,0.53975],[0.358229,0.636924],[0.2484,0.707276],[0.127259,0.750044],[0,0.76447],[-0.127259,0.750044],[-0.2484,0.707276],[-0.358229,0.636924],[-0.451556,0.53975],[-0.504797,0.443762],[-0.547291,0.343077],[-0.578605,0.238423],[-0.598311,0.130528],[-0.648009,0.037218],[-0.747183,0],[-0.747183,-0.5]]; printed_pulley_GT2_profile = [[0.747183,-0.5],[0.747183,0],[0.647876,0.037218],[0.598311,0.130528],[0.578556,0.238423],[0.547158,0.343077],[0.504649,0.443762],[0.451556,0.53975],[0.358229,0.636924],[0.2484,0.707276],[0.127259,0.750044],[0,0.76447],[-0.127259,0.750044],[-0.2484,0.707276],[-0.358229,0.636924],[-0.451556,0.53975],[-0.504797,0.443762],[-0.547291,0.343077],[-0.578605,0.238423],[-0.598311,0.130528],[-0.648009,0.037218],[-0.747183,0],[-0.747183,-0.5]];
function printed_pulley_inverted(type) = pulley_hub_dia(type) < pulley_flange_dia(type); //! Need to print upside down to prevent overhang
function printed_pulley_od(tooth_count, tooth_pitch, pitch_line_offset) function printed_pulley_od(tooth_count, tooth_pitch, pitch_line_offset)
= tooth_count * tooth_pitch / PI - 2 * pitch_line_offset; = tooth_count * tooth_pitch / PI - 2 * pitch_line_offset;
@ -93,79 +93,98 @@ module printed_pulley(type) { //! Draw a printable pulley
or = pulley_od(type) / 2; or = pulley_od(type) / 2;
screw_z = pulley_screw_z(type); screw_z = pulley_screw_z(type);
stl(str("printed_pulley_", type[0]));
module core() { module core() {
translate_z(pulley_hub_length(type) + ft) translate_z(pulley_hub_length(type) + ft)
linear_extrude(w + 1) let($fa = 1, $fs = 0.1) linear_extrude(w + 1) let($fa = 1, $fs = 0.1)
if ("GT2" == str(pulley_type(type)[0], pulley_type(type)[1], pulley_type(type)[2])) if ("GT2" == str(pulley_type(type)[0], pulley_type(type)[1], pulley_type(type)[2]))
difference() { difference() {
printed_pulley_GT2_teeth(type); printed_pulley_GT2_teeth(type);
circle(r = pulley_bore(type) / 2); circle(d = pulley_bore(type));
} }
else else
difference() { difference() {
circle(or); circle(or);
printed_pulley_teeth(type); printed_pulley_teeth(type);
circle(r = pulley_bore(type) / 2); circle(d = pulley_bore(type));
} }
} }
module screw_holes() { module screw_holes() {
if (pulley_screws(type)) if(pulley_screws(type))
translate_z(screw_z) translate_z(screw_z)
for(i = [0 : pulley_screws(type) - 1]) for(i = [0 : pulley_screws(type) - 1])
rotate([-90, 180, i * -90]) rotate([-90, 180, i * -90])
teardrop(r = screw_pilot_hole(pulley_screw(type)), h = pulley_flange_dia(type)/2 + 1, center=false); teardrop(r = screw_pilot_hole(pulley_screw(type)), h = pulley_flange_dia(type) / 2 + 1, center = false);
} }
// hub module hub()
if (hl) linear_extrude(hl)
translate_z(pulley_hub_dia(type) >= pulley_flange_dia(type) ? 0 : hl + w + 2 * ft) difference() {
render_if(screw_z && screw_z < hl) circle(d= pulley_hub_dia(type));
difference() { circle(d = pulley_bore(type));
linear_extrude(hl) }
difference() {
circle(r = pulley_hub_dia(type) / 2); translate_z(printed_pulley_inverted(type) ? - hl : 0) {
circle(r = pulley_bore(type) / 2); // hub
} if(hl)
if (screw_z < hl) translate_z(printed_pulley_inverted(type) ? hl + w + 2 * ft : 0)
if(screw_z && screw_z < hl)
render() difference() {
hub();
screw_holes(); screw_holes();
}
else
hub();
// bottom flange
translate_z(hl)
linear_extrude(ft)
difference() {
circle(d = pulley_flange_dia(type));
circle(d = pulley_bore(type));
} }
// bottom flange
translate_z(hl)
linear_extrude(ft)
difference() {
circle(d = pulley_flange_dia(type));
circle(r = pulley_bore(type) / 2);
}
// top flange // top flange
translate_z(hl + ft + w) { translate_z(hl + ft + w) {
// inner part, supported by core // inner part, supported by core
linear_extrude(ft) linear_extrude(ft)
difference() { difference() {
circle(r = or); circle(r = or);
circle(r = pulley_bore(type) / 2); circle(d = pulley_bore(type));
} }
// outer part at 45 degrees for printing // outer part at 45 degrees for printing
rotate_extrude() rotate_extrude()
translate([or -eps , ft]) translate([or -eps , ft])
vflip() vflip()
right_triangle(ft, ft); right_triangle(ft, ft);
} }
difference() { // T5 pulleys have screws through the teeth if(screw_z && screw_z > hl)
render_if(screw_z && screw_z > hl) render()
core(); difference() { // T5 pulleys have screws through the teeth
if (pulley_screw_z(type) > hl) core();
translate_z(pulley_hub_dia(type) >= pulley_flange_dia(type) ? 0 : hl)
screw_holes(); translate_z(printed_pulley_inverted(type) ? hl : 0)
screw_holes();
}
else
core();
} }
} }
module printed_pulley_assembly(type, colour) { //! Draw a printed pulley with its grub screws in place module printed_pulley_assembly(type, colour = pp1_colour) //! Draw a printed pulley with its grub screws in place
assembly(str("printed_pulley_", type[0])) {
translate_z(pulley_offset(type)) { translate_z(pulley_offset(type)) {
color(colour) stl_colour(colour)
printed_pulley(type); if(printed_pulley_inverted(type))
translate_z(pulley_height(type))
hflip()
printed_pulley(type);
else
printed_pulley(type);
if (pulley_screws(type)) if (pulley_screws(type))
translate_z(pulley_screw_z(type)) translate_z(pulley_screw_z(type))

79
readme.md
View File

@ -37,12 +37,12 @@ See [usage](docs/usage.md) for requirements, installation instructions and a usa
<tr><td> <a href = "#Extrusions">Extrusions</a> </td><td> <a href = "#Opengrab">Opengrab</a> </td><td> <a href = "#Stepper_motors">Stepper_motors</a> </td><td> <a href = "#PSU_shroud">PSU_shroud</a> </td><td> <a href = "#Rounded_right_triangle">Rounded_right_triangle</a> </td><td></td></tr> <tr><td> <a href = "#Extrusions">Extrusions</a> </td><td> <a href = "#Opengrab">Opengrab</a> </td><td> <a href = "#Stepper_motors">Stepper_motors</a> </td><td> <a href = "#PSU_shroud">PSU_shroud</a> </td><td> <a href = "#Rounded_right_triangle">Rounded_right_triangle</a> </td><td></td></tr>
<tr><td> <a href = "#Fans">Fans</a> </td><td> <a href = "#PCB">PCB</a> </td><td> <a href = "#Swiss_clips">Swiss_clips</a> </td><td> <a href = "#Press_fit">Press_fit</a> </td><td> <a href = "#Sector">Sector</a> </td><td></td></tr> <tr><td> <a href = "#Fans">Fans</a> </td><td> <a href = "#PCB">PCB</a> </td><td> <a href = "#Swiss_clips">Swiss_clips</a> </td><td> <a href = "#Press_fit">Press_fit</a> </td><td> <a href = "#Sector">Sector</a> </td><td></td></tr>
<tr><td> <a href = "#Fuseholder">Fuseholder</a> </td><td> <a href = "#PCBs">PCBs</a> </td><td> <a href = "#Toggles">Toggles</a> </td><td> <a href = "#Printed_box">Printed_box</a> </td><td> <a href = "#Sweep">Sweep</a> </td><td></td></tr> <tr><td> <a href = "#Fuseholder">Fuseholder</a> </td><td> <a href = "#PCBs">PCBs</a> </td><td> <a href = "#Toggles">Toggles</a> </td><td> <a href = "#Printed_box">Printed_box</a> </td><td> <a href = "#Sweep">Sweep</a> </td><td></td></tr>
<tr><td> <a href = "#Geared_steppers">Geared_steppers</a> </td><td> <a href = "#PSUs">PSUs</a> </td><td> <a href = "#Transformers">Transformers</a> </td><td> <a href = "#Ribbon_clamp">Ribbon_clamp</a> </td><td> <a href = "#Thread">Thread</a> </td><td></td></tr> <tr><td> <a href = "#Geared_steppers">Geared_steppers</a> </td><td> <a href = "#PSUs">PSUs</a> </td><td> <a href = "#Transformers">Transformers</a> </td><td> <a href = "#Printed_pulleys">Printed_pulleys</a> </td><td> <a href = "#Thread">Thread</a> </td><td></td></tr>
<tr><td> <a href = "#Green_terminals">Green_terminals</a> </td><td> <a href = "#Panel_meters">Panel_meters</a> </td><td> <a href = "#Tubings">Tubings</a> </td><td> <a href = "#SSR_shroud">SSR_shroud</a> </td><td> <a href = "#Tube">Tube</a> </td><td></td></tr> <tr><td> <a href = "#Green_terminals">Green_terminals</a> </td><td> <a href = "#Panel_meters">Panel_meters</a> </td><td> <a href = "#Tubings">Tubings</a> </td><td> <a href = "#Ribbon_clamp">Ribbon_clamp</a> </td><td> <a href = "#Tube">Tube</a> </td><td></td></tr>
<tr><td> <a href = "#Hot_ends">Hot_ends</a> </td><td> <a href = "#Pillars">Pillars</a> </td><td> <a href = "#Variacs">Variacs</a> </td><td> <a href = "#Screw_knob">Screw_knob</a> </td><td></td><td></td></tr> <tr><td> <a href = "#Hot_ends">Hot_ends</a> </td><td> <a href = "#Pillars">Pillars</a> </td><td> <a href = "#Variacs">Variacs</a> </td><td> <a href = "#SSR_shroud">SSR_shroud</a> </td><td></td><td></td></tr>
<tr><td> <a href = "#Hygrometer">Hygrometer</a> </td><td> <a href = "#Pin_headers">Pin_headers</a> </td><td> <a href = "#Veroboard">Veroboard</a> </td><td> <a href = "#Socket_box">Socket_box</a> </td><td></td><td></td></tr> <tr><td> <a href = "#Hygrometer">Hygrometer</a> </td><td> <a href = "#Pin_headers">Pin_headers</a> </td><td> <a href = "#Veroboard">Veroboard</a> </td><td> <a href = "#Screw_knob">Screw_knob</a> </td><td></td><td></td></tr>
<tr><td> <a href = "#IECs">IECs</a> </td><td> <a href = "#Pulleys">Pulleys</a> </td><td> <a href = "#Washers">Washers</a> </td><td> <a href = "#Strap_handle">Strap_handle</a> </td><td></td><td></td></tr> <tr><td> <a href = "#IECs">IECs</a> </td><td> <a href = "#Pulleys">Pulleys</a> </td><td> <a href = "#Washers">Washers</a> </td><td> <a href = "#Socket_box">Socket_box</a> </td><td></td><td></td></tr>
<tr><td> <a href = "#Inserts">Inserts</a> </td><td></td><td> <a href = "#Wire">Wire</a> </td><td></td><td></td><td></td></tr> <tr><td> <a href = "#Inserts">Inserts</a> </td><td></td><td> <a href = "#Wire">Wire</a> </td><td> <a href = "#Strap_handle">Strap_handle</a> </td><td></td><td></td></tr>
<tr><td></td><td></td><td> <a href = "#Zipties">Zipties</a> </td><td></td><td></td><td></td></tr> <tr><td></td><td></td><td> <a href = "#Zipties">Zipties</a> </td><td></td><td></td><td></td></tr>
</table> </table>
@ -5041,6 +5041,73 @@ It can also have printed feet on the base with the screws doubling up to hold th
| 1 | box2_assembly | | 1 | box2_assembly |
<a href="#top">Top</a>
---
<a name="Printed_pulleys"></a>
## Printed_pulleys
Printed pulleys are a remix of droftarts's (see <https://www.thingiverse.com/droftarts/designs>) Parametric Pulleys
on Thingiverse (see <https://www.thingiverse.com/thing:16627>) and are licensed under the
Creative Commons - Attribution - Share Alike license (see <https://creativecommons.org/licenses/by-sa/3.0/>)
[printed/printed_pulleys.scad](printed/printed_pulleys.scad) Implementation.
[tests/printed_pulleys.scad](tests/printed_pulleys.scad) Code for this example.
### Functions
| Function | Description |
|:--- |:--- |
| `printed_pulley_inverted(type)` | Need to print upside down to prevent overhang |
### Modules
| Module | Description |
|:--- |:--- |
| `printed_pulley(type)` | Draw a printable pulley |
| `printed_pulley_assembly(type, colour = pp1_colour)` | Draw a printed pulley with its grub screws in place |
| `printed_pulley_teeth(type)` | Draw the pulley's teeth |
![printed_pulleys](tests/png/printed_pulleys.png)
### Vitamins
| Qty | Module call | BOM entry |
| ---:|:--- |:---|
| 1 | `screw(M3_grub_screw, 3)` | Screw M3 grub x 3mm |
| 2 | `screw(M3_grub_screw, 4.5)` | Screw M3 grub x 4.5mm |
| 2 | `screw(M3_grub_screw, 4)` | Screw M3 grub x 4mm |
| 4 | `screw(M3_grub_screw, 6)` | Screw M3 grub x 6mm |
| 1 | `screw(M4_grub_screw, 6)` | Screw M4 grub x 6mm |
### Printed
| Qty | Filename |
| ---:|:--- |
| 1 | printed_pulley_GT2x12_pulley.stl |
| 1 | printed_pulley_GT2x16_plain_idler.stl |
| 1 | printed_pulley_GT2x16_pulley.stl |
| 1 | printed_pulley_GT2x16_toothed_idler.stl |
| 1 | printed_pulley_GT2x16x7_plain_idler.stl |
| 1 | printed_pulley_GT2x20_plain_idler.stl |
| 1 | printed_pulley_GT2x20_toothed_idler.stl |
| 1 | printed_pulley_GT2x20ob_pulley.stl |
| 1 | printed_pulley_GT2x20um_pulley.stl |
| 1 | printed_pulley_T2p5x16_pulley.stl |
| 1 | printed_pulley_T5x10_pulley.stl |
### Assemblies
| Qty | Name |
| ---:|:--- |
| 1 | printed_pulley_GT2x12_pulley_assembly |
| 1 | printed_pulley_GT2x16_plain_idler_assembly |
| 1 | printed_pulley_GT2x16_pulley_assembly |
| 1 | printed_pulley_GT2x16_toothed_idler_assembly |
| 1 | printed_pulley_GT2x16x7_plain_idler_assembly |
| 1 | printed_pulley_GT2x20_plain_idler_assembly |
| 1 | printed_pulley_GT2x20_toothed_idler_assembly |
| 1 | printed_pulley_GT2x20ob_pulley_assembly |
| 1 | printed_pulley_GT2x20um_pulley_assembly |
| 1 | printed_pulley_T2p5x16_pulley_assembly |
| 1 | printed_pulley_T5x10_pulley_assembly |
<a href="#top">Top</a> <a href="#top">Top</a>
--- ---

BIN
tests/png/printed_pulleys.png Normal file
View File

Binary file not shown.
Side by Side

After

Width:  |  Height:  |  Size: 115 KiB

26
tests/printed_pulleys.scad
View File

@ -23,15 +23,23 @@ include <../printed/printed_pulleys.scad>
use <../utils/layout.scad> use <../utils/layout.scad>
module PrintedPulley_test() { module printed_pulley_test(show_metal = false) {
layout([for (p = pulleys) pulley_flange_dia(p)]) { layout([for (p = pulleys) pulley_flange_dia(p)]) let(p = pulleys[$i]) {
rotate(-135) rotate(-145)
printed_pulley_assembly(pulleys[$i]); if($preview)
translate([0, 20, 0]) printed_pulley_assembly(p);
rotate(45) else
pulley_assembly(pulleys[$i]); printed_pulley(p);
if(show_metal)
not_on_bom()
translate([0, 20])
rotate(-145)
pulley_assembly(p);
} }
} }
if ($preview) if($preview)
PrintedPulley_test(); printed_pulley_test(true);
else
printed_pulley_test();