Jerry
45 lines
988 B
Markdown
45 lines
988 B
Markdown
# make_helical_rack_rsolid
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## API Definition
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```python
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def make_helical_rack_rsolid(module: float, n_teeth: int = 10, pressure_angle: float = 20.0, helix_angle: float = 25.0, rack_height: float = 8.0) -> Solid
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```
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*Source: std/gear.py*
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## Import Surface
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- standard library: `import simplecadapi as scad` then `scad.std.gear.make_helical_rack_rsolid(...)`; direct submodule import: `from simplecadapi.std.gear import make_helical_rack_rsolid`
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## Description
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Create a helical rack.
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## Parameters
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### module
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- **Type**: `float`
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- **Description**: Gear module in mm (tooth pitch = pi * module).
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### n_teeth
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- **Type**: `int, default 10`
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- **Description**: Number of teeth along the rack.
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### pressure_angle
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- **Type**: `float, default 20`
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- **Description**: Pressure angle in degrees.
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### helix_angle
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- **Type**: `float, default 25`
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- **Description**: Helix angle in degrees.
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### rack_height
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- **Type**: `float, default 8.0`
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- **Description**: Rack thickness along Z in mm.
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