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Carriages now appear on the BOM and both variants are shown in the rail test.

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This commit is contained in:
Chris Palmer
2021-04-03 12:14:36 +01:00
parent 4ce2f53e20
commit 51cc2fd679
6 changed files with 52 additions and 30 deletions
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libtest.png
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19
readme.md
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@@ -2786,26 +2786,35 @@ Linear rails with carriages.
### Vitamins
| Qty | Module call | BOM entry |
| ---:|:--- |:---|
| 2 | `rail(MGN12, 200)` | Linear rail MGN12 x 200mm |
| 1 | `rail(MGN12, 200)` | Linear rail MGN12 x 200mm |
| 1 | `rail(MGN15, 200)` | Linear rail MGN15 x 200mm |
| 1 | `rail(MGN5, 200)` | Linear rail MGN5 x 200mm |
| 1 | `rail(MGN7, 200)` | Linear rail MGN7 x 200mm |
| 1 | `rail(MGN9, 200)` | Linear rail MGN9 x 200mm |
| 1 | `rail(SSR15, 200)` | Linear rail SSR15 x 200mm |
| 1 | `carriage(MGN12C_carriage)` | Linear rail carriage MGN12C |
| 1 | `carriage(MGN12H_carriage)` | Linear rail carriage MGN12H |
| 1 | `carriage(MGN15C_carriage)` | Linear rail carriage MGN15C |
| 1 | `carriage(MGN5C_carriage)` | Linear rail carriage MGN5C |
| 1 | `carriage(MGN7C_carriage)` | Linear rail carriage MGN7C |
| 1 | `carriage(MGN7H_carriage)` | Linear rail carriage MGN7H |
| 1 | `carriage(MGN9C_carriage)` | Linear rail carriage MGN9C |
| 1 | `carriage(MGN9H_carriage)` | Linear rail carriage MGN9H |
| 1 | `carriage(SSR15_carriage)` | Linear rail carriage SSR15 |
| 26 | `nut(M2_nut, nyloc = true)` | Nut M2 x 1.6mm nyloc |
| 31 | `nut(M3_nut, nyloc = true)` | Nut M3 x 2.4mm nyloc |
| 23 | `nut(M3_nut, nyloc = true)` | Nut M3 x 2.4mm nyloc |
| 4 | `nut(M4_nut, nyloc = true)` | Nut M4 x 3.2mm nyloc |
| 11 | `screw(M2_cap_screw, 10)` | Screw M2 cap x 10mm |
| 15 | `screw(M2_cs_cap_screw, 10)` | Screw M2 cs cap x 10mm |
| 8 | `screw(M3_cap_screw, 10)` | Screw M3 cap x 10mm |
| 12 | `screw(M3_cap_screw, 12)` | Screw M3 cap x 12mm |
| 6 | `screw(M3_cap_screw, 12)` | Screw M3 cap x 12mm |
| 3 | `screw(M3_cap_screw, 16)` | Screw M3 cap x 16mm |
| 2 | `screw(M3_cs_cap_screw, 12)` | Screw M3 cs cap x 12mm |
| 6 | `screw(M3_cs_cap_screw, 16)` | Screw M3 cs cap x 16mm |
| 4 | `screw(M3_cs_cap_screw, 16)` | Screw M3 cs cap x 16mm |
| 2 | `screw(M4_cap_screw, 16)` | Screw M4 cap x 16mm |
| 2 | `screw(M4_cs_cap_screw, 20)` | Screw M4 cs cap x 20mm |
| 26 | `washer(M2_washer)` | Washer M2 x 5mm x 0.3mm |
| 31 | `washer(M3_washer)` | Washer M3 x 7mm x 0.5mm |
| 23 | `washer(M3_washer)` | Washer M3 x 7mm x 0.5mm |
| 4 | `washer(M4_washer)` | Washer M4 x 9mm x 0.8mm |

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17
tests/rails.scad
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@@ -22,27 +22,36 @@ include <../vitamins/rails.scad>
use <../utils/layout.scad>
use <../vitamins/nut.scad>
length = 200;
sheet = 3;
pos = 1; //[-1 : 0.1 : 1]
function rail_carriages(rail) = [for(c = carriages) if(carriage_rail(c) == rail) c];
module rails()
layout([for(l = carriages) carriage_width(l)], 20)
layout([for(r = rails) carriage_width(rail_carriages(r)[0])], 20)
rotate(-90) {
carriage = carriages[$i];
rail = carriage_rail(carriage);
length = 200;
rail = rails[$i];
carriages = rail_carriages(rail);
carriage = carriages[0];
screw = rail_screw(rail);
nut = screw_nut(screw);
washer = screw_washer(screw);
rail_assembly(carriage, length, pos * carriage_travel(carriage, length) / 2, $i<2 ? grey(20) : "green", $i<2 ? grey(20) : "red");
if(len(carriages) > 1)
translate([-carriage_travel(carriages[1], length) / 2, 0])
carriage(carriages[1]);
rail_screws(rail, length, sheet + nut_thickness(nut, true) + washer_thickness(washer));
rail_hole_positions(rail, length, 0)
translate_z(-sheet)
vflip()
nut_and_washer(nut, true);
echo(rail[0], (length - (rail_holes(rail, length) - 1) * rail_pitch(rail)) / 2);
}
if($preview)

23
vitamins/rail.scad
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@@ -37,18 +37,19 @@ function rail_groove_width(type)=type[11]; //! Groove width
function rail_screw_height(type, screw) = rail_height(type) - rail_bore_depth(type) + screw_head_depth(screw, rail_hole(type)); //! Position screw taking into account countersink into counterbored hole
function carriage_length(type) = type[0]; //! Overall length
function carriage_block_length(type) = type[1]; //! Length of the metal part
function carriage_width(type) = type[2]; //! Width of carriage
function carriage_height(type) = type[3]; //! Height of carriage
function carriage_size(type) = [ type[0], type[2], type[3] ]; //! Size of carriage
function carriage_clearance(type) = type[4]; //! Gap under the carriage
function carriage_pitch_x(type) = type[5]; //! Screw hole x pitch
function carriage_pitch_y(type) = type[6]; //! Screw hole y pitch
function carriage_screw(type) = type[7]; //! Carriage screw type
function carriage_rail(type) = type[8]; //! Rail type
function carriage_length(type) = type[1]; //! Overall length
function carriage_block_length(type) = type[2]; //! Length of the metal part
function carriage_width(type) = type[3]; //! Width of carriage
function carriage_height(type) = type[4]; //! Height of carriage
function carriage_clearance(type) = type[5]; //! Gap under the carriage
function carriage_pitch_x(type) = type[6]; //! Screw hole x pitch
function carriage_pitch_y(type) = type[7]; //! Screw hole y pitch
function carriage_screw(type) = type[8]; //! Carriage screw type
function carriage_rail(type) = type[9]; //! Rail type
function carriage_screw_depth(type) = 2 * screw_radius(carriage_screw(type)); //! Carriage thread depth
function carriage_travel(type, rail_length) = rail_length - carriage_length(type); //! How far the carriage can travel on a given length rail
function carriage_size(type) = [ carriage_length(type), carriage_width(type), carriage_height(type) ]; //! Size of carriage
function rail_holes(type, length) = //! Number of holes in a rail given its `length`
floor((length - 2 * rail_end(type)) / rail_pitch(type)) + 1;
@@ -74,6 +75,8 @@ module carriage_hole_positions(type) { //! Position children over screw holes
}
module carriage(type, end_colour = grey(20), wiper_colour = grey(20)) { //! Draw the specified carriage
vitamin(str("carriage(", type[0], "_carriage): Linear rail carriage ", type[0]));
total_l = carriage_length(type);
block_l = carriage_block_length(type);
block_w = carriage_width(type);

23
vitamins/rails.scad
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@@ -30,18 +30,19 @@ SSR15= [ "SSR15", 15, 12.5, 10, 60, 7.5, 4.5, 5.3, M4_cap_screw, M4_cs_cap_
//
// Carriages
//
// L L1 W H H1 C B
MGN5_carriage = [ 16, 9.6, 12, 6, 1.5, 0, 8, M2_cap_screw, MGN5 ];
MGN7C_carriage = [ 23, 14.3, 17, 8, 1.5, 8, 12, M2_cap_screw, MGN7 ];
MGN7H_carriage = [ 30.8, 21.8, 17, 8, 1.5,13, 12, M2_cap_screw, MGN7 ];
MGN9C_carriage = [ 29.7, 20.8, 20, 10, 2, 10, 15, M3_cap_screw, MGN9 ];
MGN9H_carriage = [ 39.9, 29.9, 20, 10, 2, 16, 15, M3_cap_screw, MGN9 ];
MGN12C_carriage = [ 34.7, 21.7, 27, 13, 3, 15, 20, M3_cap_screw, MGN12 ];
MGN12H_carriage = [ 45.4, 32.4, 27, 13, 3, 20, 20, M3_cap_screw, MGN12 ];
MGN15C_carriage = [ 43.3, 27.7, 32, 16, 4, 20, 25, M3_cap_screw, MGN15 ];
SSR15_carriage = [ 40.3, 23.3, 34, 24, 4.5, 0, 26, M4_cap_screw, SSR15 ];
// L L1 W H H1 C B
MGN5C_carriage = ["MGN5C", 16, 9.6, 12, 6, 1.5, 0, 8, M2_cap_screw, MGN5 ];
MGN7C_carriage = ["MGN7C", 23, 14.3, 17, 8, 1.5, 8, 12, M2_cap_screw, MGN7 ];
MGN7H_carriage = ["MGN7H", 30.8, 21.8, 17, 8, 1.5,13, 12, M2_cap_screw, MGN7 ];
MGN9C_carriage = ["MGN9C", 29.7, 20.8, 20, 10, 2, 10, 15, M3_cap_screw, MGN9 ];
MGN9H_carriage = ["MGN9H", 39.9, 29.9, 20, 10, 2, 16, 15, M3_cap_screw, MGN9 ];
MGN12C_carriage = ["MGN12C", 34.7, 21.7, 27, 13, 3, 15, 20, M3_cap_screw, MGN12 ];
MGN12H_carriage = ["MGN12H", 45.4, 32.4, 27, 13, 3, 20, 20, M3_cap_screw, MGN12 ];
MGN15C_carriage = ["MGN15C", 43.3, 27.7, 32, 16, 4, 20, 25, M3_cap_screw, MGN15 ];
SSR15_carriage = ["SSR15", 40.3, 23.3, 34, 24, 4.5, 0, 26, M4_cap_screw, SSR15 ];
rails = [MGN5, MGN7, MGN9, MGN12, MGN15, SSR15];
carriages = [MGN5_carriage, MGN7C_carriage, MGN9C_carriage, MGN12C_carriage, MGN12H_carriage, MGN15C_carriage, SSR15_carriage];
carriages = [MGN5C_carriage, MGN7C_carriage, MGN7H_carriage, MGN9C_carriage, MGN9H_carriage, MGN12C_carriage, MGN12H_carriage, MGN12H_carriage, MGN15C_carriage, SSR15_carriage];
use <rail.scad>