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TO247_size() now also returns lead height and the length of the wide bit.

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TO247 leads fixed at 3.
Lead length removed from TO220 and TO247 vitamin string.
This commit is contained in:
Chris Palmer
2021-09-29 10:42:37 +01:00
parent c449dd0a24
commit bab4c8e8af
2 changed files with 17 additions and 17 deletions
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6
readme.md
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@@ -785,7 +785,7 @@ Various electronic components used in hot ends and heated beds.
| Function | Description |
|:--- |:--- |
| `TO220_thickness()` | Thickness of the tab of a TO220 |
| `TO247_size()` | Body dimensions of a T247 and the hole offset |
| `TO247_size()` | Body dimensions of a T247, hole offset, lead height and lead wide length |
| `fack2spm_bezel_size()` | FACK2SPM Bezel dimensions |
| `fack2spm_screw()` | Screw type for FACK2SPM |
@@ -793,7 +793,7 @@ Various electronic components used in hot ends and heated beds.
| Module | Description |
|:--- |:--- |
| ` TO220(description, leads = 3, lead_length = 16)` | Draw a TO220 package, use `description` to describe what it is |
| ` TO247(description, leads = 3, lead_length = 20)` | Draw a TO247 package, use `description` to describe what it is |
| ` TO247(description, lead_length = 20)` | Draw a TO247 package, use `description` to describe what it is |
| `al_clad_resistor(type, value, leads = true)` | Draw an aluminium clad resistor |
| `al_clad_resistor_hole_positions(type)` | Position children at the screw holes of an aluminium clad resistor |
| `al_clad_resistor_holes(type, h = 100)` | Drill screw holes for an aluminium clad resistor |
@@ -814,7 +814,7 @@ Various electronic components used in hot ends and heated beds.
| Qty | Module call | BOM entry |
| ---:|:--- |:---|
| 1 | `TO220("Generic TO220 package")` | Generic TO220 package |
| 1 | `TO247("Generic TO247 package", lead_length = 20)` | Generic TO247 package |
| 1 | `TO247("Generic TO247 package")` | Generic TO247 package |
| 8 | `tubing(HSHRNK32)` | Heatshrink sleeving ID 3.2mm x 15mm |
| 1 | `resistor(RWM04106R80J)` | Resistor RWM04106R80J 6R8 3W vitreous enamel |
| 1 | `resistor(RIE1212UB5C5R6)` | Resistor UB5C 5R6F 5R6 3W vitreous enamel |

28
vitamins/component.scad
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@@ -223,7 +223,7 @@ module TO220(description, leads = 3, lead_length = 16) { //! Draw a TO220 packa
body = 8;
hole_y = 2.9;
vitamin(str("TO220(\"", description, "\"", arg(leads, 3, "leads"), arg(lead_length, 16, "lead_length"), "): ", description));
vitamin(str("TO220(\"", description, "\"", arg(leads, 3, "leads"), "): ", description));
translate([0, -length + hole_y]) {
color("silver") {
@@ -257,23 +257,23 @@ module TO220(description, leads = 3, lead_length = 16) { //! Draw a TO220 packa
children();
}
function TO247_size() = [15.7, 20.82, 4.82, 5.58]; //! Body dimensions of a T247 and the hole offset
function TO247_size() = [15.7, 20.82, 4.82, 5.58, 2.5, 3.8]; //! Body dimensions of a T247, hole offset, lead height and lead wide length
module TO247(description, leads = 3, lead_length = 20) { //! Draw a TO247 package, use `description` to describe what it is
module TO247(description, lead_length = 20) { //! Draw a TO247 package, use `description` to describe what it is
size = TO247_size();
hole_y = size[3];
lead_height = size[4];
lead_l = size[5];
metal = [12.81, 13.08, 1.5];
metal_y_offset = 1.35;
hole = 3.5;
metal_hole = 6.85;
lead_height = 2.5;
lead_t = 0.61;
lead_w2 = 2.5;
lead_w = 1.25;
lead_pitch = 5.56;
lead_l = 3.8;
vitamin(str("TO247(\"", description, "\"", arg(leads, 3, "leads"), arg(lead_length, 16, "lead_length"), "): ", description));
vitamin(str("TO247(\"", description, "\"): ", description));
module body_shape()
difference() {
@@ -298,15 +298,15 @@ module TO247(description, leads = 3, lead_length = 20) { //! Draw a TO247 packa
translate_z(lead_height)
linear_extrude(lead_t)
intersection() {
for(i = [-1 : 1])
if(i || leads == 3) {
translate([lead_pitch * i, -lead_length / 2, lead_height])
square([lead_w, lead_length], center = true);
for(i = [-1 : 1]) {
length = is_list(lead_length) ? lead_length[i + 1] : lead_length;
translate([lead_pitch * i, -length / 2, lead_height])
square([lead_w, length], center = true);
translate([lead_pitch * i, -lead_l / 2, lead_height])
square([lead_w2, lead_l], center = true);
}
square([2 * lead_pitch + lead_w, 100], center = true);
translate([lead_pitch * i, -lead_l / 2, lead_height])
square([lead_w2, lead_l], center = true);
}
square([2 * lead_pitch + lead_w, 100], center = true);
}
}