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Added small geared stepper and driver board.

This commit is contained in:
Chris Palmer 2019-08-18 11:46:33 +01:00
parent 466a7a667d
commit 3640963da1
10 changed files with 245 additions and 16 deletions
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1
lib.scad
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@ -61,6 +61,7 @@ include <vitamins/light_strips.scad>
include <vitamins/spools.scad> include <vitamins/spools.scad>
include <vitamins/mains_sockets.scad> include <vitamins/mains_sockets.scad>
include <vitamins/ldrs.scad> include <vitamins/ldrs.scad>
include <vitamins/geared_steppers.scad>
use <vitamins/jack.scad> use <vitamins/jack.scad>
use <vitamins/meter.scad> use <vitamins/meter.scad>

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libtest.scad
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@ -34,6 +34,7 @@ use <tests/d_connectors.scad>
use <tests/displays.scad> use <tests/displays.scad>
use <tests/fans.scad> use <tests/fans.scad>
use <tests/fuseholder.scad> use <tests/fuseholder.scad>
use <tests/geared_steppers.scad>
use <tests/hot_ends.scad> use <tests/hot_ends.scad>
use <tests/iecs.scad> use <tests/iecs.scad>
use <tests/inserts.scad> use <tests/inserts.scad>
@ -300,6 +301,9 @@ steppers_y = batteries_y + 70;
translate([x3, veroboard_y]) translate([x3, veroboard_y])
veroboard_test(); veroboard_test();
translate([x3 + 70, veroboard_y + 30])
geared_steppers();
translate([x3, d_connectors_y]) translate([x3, d_connectors_y])
d_connectors(); d_connectors();

82
readme.md
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@ -30,21 +30,22 @@ See [usage](docs/usage.md) for requirements, installation instructions and a usa
<tr><td> <a href = "#D_connectors">D_connectors</a> </td><td> <a href = "#Rockers">Rockers</a> </td><td> <a href = "#Flat_hinge">Flat_hinge</a> </td><td> <a href = "#Round">Round</a> </td><td></td></tr> <tr><td> <a href = "#D_connectors">D_connectors</a> </td><td> <a href = "#Rockers">Rockers</a> </td><td> <a href = "#Flat_hinge">Flat_hinge</a> </td><td> <a href = "#Round">Round</a> </td><td></td></tr>
<tr><td> <a href = "#Fans">Fans</a> </td><td> <a href = "#Rod">Rod</a> </td><td> <a href = "#Foot">Foot</a> </td><td> <a href = "#Rounded_cylinder">Rounded_cylinder</a> </td><td></td></tr> <tr><td> <a href = "#Fans">Fans</a> </td><td> <a href = "#Rod">Rod</a> </td><td> <a href = "#Foot">Foot</a> </td><td> <a href = "#Rounded_cylinder">Rounded_cylinder</a> </td><td></td></tr>
<tr><td> <a href = "#Fuseholder">Fuseholder</a> </td><td> <a href = "#Screws">Screws</a> </td><td> <a href = "#Handle">Handle</a> </td><td> <a href = "#Rounded_polygon">Rounded_polygon</a> </td><td></td></tr> <tr><td> <a href = "#Fuseholder">Fuseholder</a> </td><td> <a href = "#Screws">Screws</a> </td><td> <a href = "#Handle">Handle</a> </td><td> <a href = "#Rounded_polygon">Rounded_polygon</a> </td><td></td></tr>
<tr><td> <a href = "#Green_terminals">Green_terminals</a> </td><td> <a href = "#Sealing_strip">Sealing_strip</a> </td><td> <a href = "#Psu_shroud">Psu_shroud</a> </td><td> <a href = "#Sector">Sector</a> </td><td></td></tr> <tr><td> <a href = "#Geared_steppers">Geared_steppers</a> </td><td> <a href = "#Sealing_strip">Sealing_strip</a> </td><td> <a href = "#Psu_shroud">Psu_shroud</a> </td><td> <a href = "#Sector">Sector</a> </td><td></td></tr>
<tr><td> <a href = "#Hot_ends">Hot_ends</a> </td><td> <a href = "#Sheets">Sheets</a> </td><td> <a href = "#Ribbon_clamp">Ribbon_clamp</a> </td><td> <a href = "#Sweep">Sweep</a> </td><td></td></tr> <tr><td> <a href = "#Green_terminals">Green_terminals</a> </td><td> <a href = "#Sheets">Sheets</a> </td><td> <a href = "#Ribbon_clamp">Ribbon_clamp</a> </td><td> <a href = "#Sweep">Sweep</a> </td><td></td></tr>
<tr><td> <a href = "#Iecs">Iecs</a> </td><td> <a href = "#Spades">Spades</a> </td><td> <a href = "#Screw_knob">Screw_knob</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 = "#Spades">Spades</a> </td><td> <a href = "#Screw_knob">Screw_knob</a> </td><td> <a href = "#Tube">Tube</a> </td><td></td></tr>
<tr><td> <a href = "#Inserts">Inserts</a> </td><td> <a href = "#Spools">Spools</a> </td><td> <a href = "#Socket_box">Socket_box</a> </td><td></td><td></td></tr> <tr><td> <a href = "#Iecs">Iecs</a> </td><td> <a href = "#Spools">Spools</a> </td><td> <a href = "#Socket_box">Socket_box</a> </td><td></td><td></td></tr>
<tr><td> <a href = "#Jack">Jack</a> </td><td> <a href = "#Springs">Springs</a> </td><td> <a href = "#Ssr_shroud">Ssr_shroud</a> </td><td></td><td></td></tr> <tr><td> <a href = "#Inserts">Inserts</a> </td><td> <a href = "#Springs">Springs</a> </td><td> <a href = "#Ssr_shroud">Ssr_shroud</a> </td><td></td><td></td></tr>
<tr><td> <a href = "#Ldrs">Ldrs</a> </td><td> <a href = "#Ssrs">Ssrs</a> </td><td> <a href = "#Strap_handle">Strap_handle</a> </td><td></td><td></td></tr> <tr><td> <a href = "#Jack">Jack</a> </td><td> <a href = "#Ssrs">Ssrs</a> </td><td> <a href = "#Strap_handle">Strap_handle</a> </td><td></td><td></td></tr>
<tr><td> <a href = "#Leadnuts">Leadnuts</a> </td><td> <a href = "#Stepper_motors">Stepper_motors</a> </td><td></td><td></td><td></td></tr> <tr><td> <a href = "#Ldrs">Ldrs</a> </td><td> <a href = "#Stepper_motors">Stepper_motors</a> </td><td></td><td></td><td></td></tr>
<tr><td> <a href = "#Leds">Leds</a> </td><td> <a href = "#Toggles">Toggles</a> </td><td></td><td></td><td></td></tr> <tr><td> <a href = "#Leadnuts">Leadnuts</a> </td><td> <a href = "#Toggles">Toggles</a> </td><td></td><td></td><td></td></tr>
<tr><td> <a href = "#Light_strips">Light_strips</a> </td><td> <a href = "#Transformers">Transformers</a> </td><td></td><td></td><td></td></tr> <tr><td> <a href = "#Leds">Leds</a> </td><td> <a href = "#Transformers">Transformers</a> </td><td></td><td></td><td></td></tr>
<tr><td> <a href = "#Linear_bearings">Linear_bearings</a> </td><td> <a href = "#Tubings">Tubings</a> </td><td></td><td></td><td></td></tr> <tr><td> <a href = "#Light_strips">Light_strips</a> </td><td> <a href = "#Tubings">Tubings</a> </td><td></td><td></td><td></td></tr>
<tr><td> <a href = "#Mains_sockets">Mains_sockets</a> </td><td> <a href = "#Variacs">Variacs</a> </td><td></td><td></td><td></td></tr> <tr><td> <a href = "#Linear_bearings">Linear_bearings</a> </td><td> <a href = "#Variacs">Variacs</a> </td><td></td><td></td><td></td></tr>
<tr><td> <a href = "#Meter">Meter</a> </td><td> <a href = "#Veroboard">Veroboard</a> </td><td></td><td></td><td></td></tr> <tr><td> <a href = "#Mains_sockets">Mains_sockets</a> </td><td> <a href = "#Veroboard">Veroboard</a> </td><td></td><td></td><td></td></tr>
<tr><td> <a href = "#Microswitches">Microswitches</a> </td><td> <a href = "#Washers">Washers</a> </td><td></td><td></td><td></td></tr> <tr><td> <a href = "#Meter">Meter</a> </td><td> <a href = "#Washers">Washers</a> </td><td></td><td></td><td></td></tr>
<tr><td> <a href = "#Microview">Microview</a> </td><td> <a href = "#Wire">Wire</a> </td><td></td><td></td><td></td></tr> <tr><td> <a href = "#Microswitches">Microswitches</a> </td><td> <a href = "#Wire">Wire</a> </td><td></td><td></td><td></td></tr>
<tr><td> <a href = "#Modules">Modules</a> </td><td> <a href = "#Zipties">Zipties</a> </td><td></td><td></td><td></td></tr> <tr><td> <a href = "#Microview">Microview</a> </td><td> <a href = "#Zipties">Zipties</a> </td><td></td><td></td><td></td></tr>
<tr><td> <a href = "#Modules">Modules</a> </td><td></td><td></td><td></td><td></td></tr>
<tr><td> <a href = "#Nuts">Nuts</a> </td><td></td><td></td><td></td><td></td></tr> <tr><td> <a href = "#Nuts">Nuts</a> </td><td></td><td></td><td></td><td></td></tr>
</table> </table>
@ -684,6 +685,57 @@ Can draw three styles: solid, open frame and open frame with screw bosses.
| 1 | ```fuseholder(6)``` | Fuse holder 20mm | | 1 | ```fuseholder(6)``` | Fuse holder 20mm |
<a href="#top">Top</a>
---
<a name="Geared_steppers"></a>
## Geared_steppers
Geared tin can steppers
[vitamins/geared_steppers.scad](vitamins/geared_steppers.scad) Object definitions.
[vitamins/geared_stepper.scad](vitamins/geared_stepper.scad) Implementation.
[tests/geared_steppers.scad](tests/geared_steppers.scad) Code for this example.
### Properties
| Function | Description |
|:--- |:--- |
| ```gs_boss_d(type)``` | Boss around the shaft diameter |
| ```gs_boss_h(type)``` | Boss around the shaft height |
| ```gs_bulge2_d(type)``` | Plastic rear bulge depth from centre |
| ```gs_bulge2_h(type)``` | Plastic rear bulge height |
| ```gs_bulge2_w(type)``` | Plastic rear bulge width |
| ```gs_bulge_d(type)``` | Plastic bulge depth from centre |
| ```gs_bulge_h(type)``` | Plastic bulge height |
| ```gs_bulge_w(type)``` | Plastic bulge width |
| ```gs_diameter(type)``` | Can diameter |
| ```gs_flat_length(type)``` | Shaft flat length |
| ```gs_height(type)``` | Can height |
| ```gs_hole_d(type)``` | Screw hole diameter |
| ```gs_lug_t(type)``` | Screw lug thickness |
| ```gs_lug_w(type)``` | Screw lug width |
| ```gs_offset(type)``` | Offset of the shaft from the centre of the can |
| ```gs_pitch(type)``` | Screw pitch |
| ```gs_shaft_d(type)``` | Shaft diameter |
| ```gs_shaft_flat(type)``` | Shaft width across the flats |
| ```gs_shaft_length(type)``` | Shaft length |
### Modules
| Module | Description |
|:--- |:--- |
| ```geared_stepper(type)``` | Draw the specified geared stepper |
| ```geared_stepper_screw_positions(type)``` | Place children at the screw positions |
![geared_steppers](tests/png/geared_steppers.png)
### Vitamins
| Qty | Module call | BOM entry |
| ---:|:--- |:---|
| 1 | ```geared_stepper(28BYJ_48)``` | Geared stepper - 28BYJ-48 5V |
<a href="#top">Top</a> <a href="#top">Top</a>
--- ---

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@ -0,0 +1,27 @@
//
// NopSCADlib Copyright Chris Palmer 2019
// nop.head@gmail.com
// hydraraptor.blogspot.com
//
// This file is part of NopSCADlib.
//
// NopSCADlib is free software: you can redistribute it and/or modify it under the terms of the
// GNU General Public License as published by the Free Software Foundation, either version 3 of
// the License, or (at your option) any later version.
//
// NopSCADlib is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
// without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
// See the GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along with NopSCADlib.
// If not, see <https://www.gnu.org/licenses/>.
//
include <../vitamins/geared_steppers.scad>
use <../utils/layout.scad>
module geared_steppers()
layout([for(g = geared_steppers) gs_diameter(g)], 5)
geared_stepper(geared_steppers[$i]);
geared_steppers();

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@ -0,0 +1,114 @@
//
// NopSCADlib Copyright Chris Palmer 2019
// nop.head@gmail.com
// hydraraptor.blogspot.com
//
// This file is part of NopSCADlib.
//
// NopSCADlib is free software: you can redistribute it and/or modify it under the terms of the
// GNU General Public License as published by the Free Software Foundation, either version 3 of
// the License, or (at your option) any later version.
//
// NopSCADlib is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
// without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
// See the GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along with NopSCADlib.
// If not, see <https://www.gnu.org/licenses/>.
//
//
//! Geared tin can steppers
//
include <../core.scad>
use <../utils/rounded_cylinder.scad>
use <../utils/round.scad>
function gs_diameter(type) = type[2]; //! Can diameter
function gs_height(type) = type[3]; //! Can height
function gs_pitch(type) = type[4]; //! Screw pitch
function gs_lug_w(type) = type[5]; //! Screw lug width
function gs_lug_t(type) = type[6]; //! Screw lug thickness
function gs_hole_d(type) = type[7]; //! Screw hole diameter
function gs_offset(type) = type[8]; //! Offset of the shaft from the centre of the can
function gs_boss_d(type) = type[9]; //! Boss around the shaft diameter
function gs_boss_h(type) = type[10]; //! Boss around the shaft height
function gs_shaft_d(type) = type[11]; //! Shaft diameter
function gs_shaft_flat(type) = type[12]; //! Shaft width across the flats
function gs_shaft_length(type) = type[13]; //! Shaft length
function gs_flat_length(type) = type[14]; //! Shaft flat length
function gs_bulge_w(type) = type[15]; //! Plastic bulge width
function gs_bulge_d(type) = type[16]; //! Plastic bulge depth from centre
function gs_bulge_h(type) = type[17]; //! Plastic bulge height
function gs_bulge2_w(type) = type[18]; //! Plastic rear bulge width
function gs_bulge2_d(type) = type[19]; //! Plastic rear bulge depth from centre
function gs_bulge2_h(type) = type[20]; //! Plastic rear bulge height
module geared_stepper_screw_positions(type) //! Place children at the screw positions
for(side = [-1, 1])
translate([side * gs_pitch(type) / 2, -gs_offset(type)])
children();
module geared_stepper(type) { //! Draw the specified geared stepper
vitamin(str("geared_stepper(", type[0], "): Geared stepper - ", type[1]));
radius = gs_diameter(type) / 2;
height = gs_height(type);
offset = gs_offset(type);
color("silver") {
translate([0, -offset])
rounded_cylinder(r = radius, h = height, r2 = 1);
cylinder(d = gs_boss_d(type), h = 2 * gs_boss_h(type), center = true);
linear_extrude(height = gs_lug_t(type))
difference() {
hull()
geared_stepper_screw_positions(type)
circle(d = gs_lug_w(type));
geared_stepper_screw_positions(type)
circle(d = gs_hole_d(type));
}
translate([0, -offset - radius, eps])
cube([gs_bulge_w(type) - 2, 2 * (gs_bulge_d(type) - radius) - 2, 2 * eps], center = true);
}
vflip()
color(brass) {
d = gs_shaft_d(type);
h = gs_shaft_length(type);
linear_extrude(height = h)
intersection() {
circle(d = d);
square([d + 1, gs_shaft_flat(type)], center = true);
}
cylinder(d = d, h = h - gs_flat_length(type));
}
color("skyblue") {
h1 = gs_bulge_h(type);
translate([0, - offset - radius, eps])
rounded_rectangle([gs_bulge_w(type), 2 * (gs_bulge_d(type) - radius), h1], 0.5, center = false);
h2 = gs_bulge2_h(type);
translate([0, - offset, h1 + 1 - h2])
linear_extrude(height = h2)
round(0.5)
intersection() {
circle(gs_bulge2_d(type));
translate([0, -50])
square([gs_bulge2_w(type), 100], center = true);
}
}
translate_z(2.5)
for(i = [0 : 4])
translate([i - 2.5, 0])
rotate([90, 0, 0])
color(["yellow", "orange", "red", "pink", "blue"][i])
cylinder(d = 1, h = radius + offset + 10);
}

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vitamins/geared_steppers.scad Normal file
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@ -0,0 +1,27 @@
//
// NopSCADlib Copyright Chris Palmer 2019
// nop.head@gmail.com
// hydraraptor.blogspot.com
//
// This file is part of NopSCADlib.
//
// NopSCADlib is free software: you can redistribute it and/or modify it under the terms of the
// GNU General Public License as published by the Free Software Foundation, either version 3 of
// the License, or (at your option) any later version.
//
// NopSCADlib is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
// without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
// See the GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along with NopSCADlib.
// If not, see <https://www.gnu.org/licenses/>.
//
//
//! Geared tin can steppers
//
28BYJ_48 = ["28BYJ_48", "28BYJ-48 5V", 28, 19, 35, 7, 0.85, 4.2, 8, 9, 1.5, 5, 3, 10, 6, 14.7, 17, 16.5, 17.7, 15.5, 13.8 ];
geared_steppers = [28BYJ_48];
use <geared_stepper.scad>

6
vitamins/pcbs.scad
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@ -275,6 +275,10 @@ PI_IO = ["PI_IO", "PI_IO V2", 35.56, 25.4, 1.6, 0, 0, 0, "green", tru
[(3.4 - 2.7) * 25.4, (4.5 - 4.15) * 25.4, 0, "2p54socket", 13, 2, true], [(3.4 - 2.7) * 25.4, (4.5 - 4.15) * 25.4, 0, "2p54socket", 13, 2, true],
], []]; ], []];
ZC_A0591 = ["ZC_A0591", "ZC-A0591 ULN2003 driver PCB", 35, 32, 1.6, 0, 2.5, 0, "green", false, [[2.25, 3.25], [-2.25, 3.25], [2.25, -3.25], [-2.25, -3.25] ],
[], [], [], [], M2p5_pan_screw];
PERF80x20 = ["PERF80x20", "Perfboard 80 x 20mm", 80, 20, 1.6, 0, 2.3, 0, "green", true, [[2,2],[-2,2],[2,-2],[-2,-2]], [], [], [5.87, 3.49]]; PERF80x20 = ["PERF80x20", "Perfboard 80 x 20mm", 80, 20, 1.6, 0, 2.3, 0, "green", true, [[2,2],[-2,2],[2,-2],[-2,-2]], [], [], [5.87, 3.49]];
PERF70x50 = ["PERF70x50", "Perfboard 70 x 50mm", 70, 50, 1.6, 0, 2.3, 0, "green", true, [[2,2],[-2,2],[2,-2],[-2,-2]], [], [], [5.87, 3.49]]; PERF70x50 = ["PERF70x50", "Perfboard 70 x 50mm", 70, 50, 1.6, 0, 2.3, 0, "green", true, [[2,2],[-2,2],[2,-2],[-2,-2]], [], [], [5.87, 3.49]];
@ -287,6 +291,6 @@ PERF74x51 = ["PERF74x51", "Perfboard 74 x 51mm", 74, 51, 1.0, 0, 3.0, 0, "sienna
PSU12V1A = ["PSU12V1A", "PSU 12V 1A", 67, 31, 1.7, 0, 3.9, 0, "green", true, [[3.5, 3.5], [-3.5, 3.5], [-3.5, -3.5], [3.5, -3.5]], [], []]; PSU12V1A = ["PSU12V1A", "PSU 12V 1A", 67, 31, 1.7, 0, 3.9, 0, "green", true, [[3.5, 3.5], [-3.5, 3.5], [-3.5, -3.5], [3.5, -3.5]], [], []];
pcbs = [ExtruderPCB, PI_IO, RPI3, ArduinoUno3, Keyes5p1, PERF80x20, PERF70x50, PERF70x30, PERF60x40, PERF74x51, PSU12V1A, DuetE, Duex2, Duex5, Melzi]; pcbs = [ExtruderPCB, PI_IO, RPI3, ArduinoUno3, Keyes5p1, PERF80x20, PERF70x50, PERF70x30, PERF60x40, PERF74x51, PSU12V1A, DuetE, Duex2, Duex5, Melzi, ZC_A0591];
use <pcb.scad> use <pcb.scad>