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 # RAThreeRollsBeltProfile

 Last update: 17.07.2025 

<a id="generated.RAThreeRollsBeltProfile"></a>

### *class* RAThreeRollsBeltProfile

Rocky API for a Three Rolls Belt Profile model.

**Methods:**

NameDescription[`DisableUse0371RatioForRollLengths`](#generated.RAThreeRollsBeltProfile.DisableUse0371RatioForRollLengths)()Set the value of "Use 0371 Ratio For Roll Lengths" to False.[`EnableUse0371RatioForRollLengths`](#generated.RAThreeRollsBeltProfile.EnableUse0371RatioForRollLengths)()Set the value of "Use 0371 Ratio For Roll Lengths" to True.[`GetAvailableMaterials`](#generated.RAThreeRollsBeltProfile.GetAvailableMaterials)()Get all available Materials.[`GetCenterRollLength`](#generated.RAThreeRollsBeltProfile.GetCenterRollLength)(\[unit\])Get the value of "Center Roll Length".[`GetLowerCornerRadius`](#generated.RAThreeRollsBeltProfile.GetLowerCornerRadius)(\[unit\])Get the value of "Lower Corner Radius".[`GetMaterial`](#generated.RAThreeRollsBeltProfile.GetMaterial)()Get the "Material".[`GetTroughingAngle`](#generated.RAThreeRollsBeltProfile.GetTroughingAngle)(\[unit\])Get the value of "Troughing Angle".[`GetUse0371RatioForRollLengths`](#generated.RAThreeRollsBeltProfile.GetUse0371RatioForRollLengths)()Get the value of "Use 0371 Ratio For Roll Lengths".[`IsUse0371RatioForRollLengthsEnabled`](#generated.RAThreeRollsBeltProfile.IsUse0371RatioForRollLengthsEnabled)()Check if the "Use 0371 Ratio For Roll Lengths" is enabled.[`SetCenterRollLength`](#generated.RAThreeRollsBeltProfile.SetCenterRollLength)(value\[, unit\])Set the value of "Center Roll Length".[`SetLowerCornerRadius`](#generated.RAThreeRollsBeltProfile.SetLowerCornerRadius)(value\[, unit\])Set the value of "Lower Corner Radius".[`SetMaterial`](#generated.RAThreeRollsBeltProfile.SetMaterial)(value)Set the "Material".[`SetTroughingAngle`](#generated.RAThreeRollsBeltProfile.SetTroughingAngle)(value\[, unit\])Set the value of "Troughing Angle".[`SetUse0371RatioForRollLengths`](#generated.RAThreeRollsBeltProfile.SetUse0371RatioForRollLengths)(value)Set the value of "Use 0371 Ratio For Roll Lengths".<a id="generated.RAThreeRollsBeltProfile.DisableUse0371RatioForRollLengths"></a>

#### DisableUse0371RatioForRollLengths()

Set the value of “Use 0371 Ratio For Roll Lengths” to False.

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#### EnableUse0371RatioForRollLengths()

Set the value of “Use 0371 Ratio For Roll Lengths” to True.

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#### GetAvailableMaterials()

Get all available Materials.

- **Return type:**List\[[`RASolidMaterial`](RASolidMaterial.md#generated.RASolidMaterial)\] A list of [`RASolidMaterial`](RASolidMaterial.md#generated.RASolidMaterial).

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#### GetCenterRollLength(unit: Optional\[str\] = None)

Get the value of “Center Roll Length”.

- **Parameters:****unit** – The unit for the returned value. If no unit is provided, the returned value will be in “m”.

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#### GetLowerCornerRadius(unit: Optional\[str\] = None)

Get the value of “Lower Corner Radius”.

- **Parameters:****unit** – The unit for the returned value. If no unit is provided, the returned value will be in “m”.

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#### GetMaterial()

Get the “Material”.

- **Return type:**[`RASolidMaterial`](RASolidMaterial.md#generated.RASolidMaterial)

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#### GetTroughingAngle(unit: Optional\[str\] = None)

Get the value of “Troughing Angle”.

- **Parameters:****unit** – The unit for the returned value. If no unit is provided, the returned value will be in “dega”.

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#### GetUse0371RatioForRollLengths()

Get the value of “Use 0371 Ratio For Roll Lengths”.

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#### IsUse0371RatioForRollLengthsEnabled()

Check if the “Use 0371 Ratio For Roll Lengths” is enabled.

<a id="generated.RAThreeRollsBeltProfile.SetCenterRollLength"></a>

#### SetCenterRollLength(value: Union\[str, float\], unit: Optional\[str\] = None)

Set the value of “Center Roll Length”.

- **Parameters:**
    - **value** – The value to set. This value can be an expression with input variables or float type.
    - **unit** – The unit for value. If no unit is provided, value is assumed to be in “m”.

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#### SetLowerCornerRadius(value: Union\[str, float\], unit: Optional\[str\] = None)

Set the value of “Lower Corner Radius”.

- **Parameters:**
    - **value** – The value to set. This value can be an expression with input variables or float type.
    - **unit** – The unit for value. If no unit is provided, value is assumed to be in “m”.

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#### SetMaterial(value)

Set the “Material”.

:param unicode, [`RASolidMaterial`](RASolidMaterial.md#generated.RASolidMaterial) value: : Either the API object wrapping the desired entity or its name.

<a id="generated.RAThreeRollsBeltProfile.SetTroughingAngle"></a>

#### SetTroughingAngle(value: Union\[str, float\], unit: Optional\[str\] = None)

Set the value of “Troughing Angle”.

- **Parameters:**
    - **value** – The value to set. This value can be an expression with input variables or float type.
    - **unit** – The unit for value. If no unit is provided, value is assumed to be in “dega”.

<a id="generated.RAThreeRollsBeltProfile.SetUse0371RatioForRollLengths"></a>

#### SetUse0371RatioForRollLengths(value: bool)

Set the value of “Use 0371 Ratio For Roll Lengths”.

- **Parameters:****value** – The value to set.