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Fix belt positioning bug.

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Belt gap position is now relative to the pitch line.
Added belt_pitch_to_back().
This commit is contained in:
Chris Palmer
2020-08-22 09:45:13 +01:00
parent b6147e5684
commit 4cdab218d9
3 changed files with 13 additions and 8 deletions
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readme.md
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@@ -223,6 +223,7 @@ Individual teeth are not drawn, instead they are represented by a lighter colour
| Function | Description |
|:--- |:--- |
| ```belt_pitch(type)``` | Pitch in mm |
| ```belt_pitch_height(type)``` | Offset of the pitch radius from the tips of the teeth |
| ```belt_thickness(type)``` | Total thickness including teeth |
| ```belt_tooth_height(type)``` | Tooth height |
| ```belt_width(type)``` | Width in mm |
@@ -231,7 +232,7 @@ Individual teeth are not drawn, instead they are represented by a lighter colour
| Function | Description |
|:--- |:--- |
| ```belt_length(points, gap = 0)``` | Compute belt length given path and optional gap |
| ```belt_pitch_height(type)``` | Offset of the pitch radius from the tips of the teeth |
| ```belt_pitch_to_back(type)``` | Offset of the back from the pitch radius |
### Modules
| Module | Description |
@@ -244,7 +245,7 @@ Individual teeth are not drawn, instead they are represented by a lighter colour
| Qty | Module call | BOM entry |
| ---:|:--- |:---|
| 1 | ```belt(GT2x6, [ ... ])``` | Belt GT2 x 6mm x 128mm |
| 1 | ```belt(GT2x6, [ ... ], 80, [0, 0.81])``` | Belt GT2 x 6mm x 694mm |
| 1 | ```belt(GT2x6, [ ... ], 80, [0, 0.314])``` | Belt GT2 x 6mm x 696mm |
| 1 | ```belt(T2p5x6, [ ... ])``` | Belt T2.5 x 6mm x 130mm |
| 1 | ```belt(T5x10, [ ... ])``` | Belt T5 x 10mm x 130mm |
| 1 | ```belt(T5x6, [ ... ])``` | Belt T5 x 6mm x 130mm |