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TURNMATE / Arc tangent

Lathe arc tangent solver

Solve tangent Z from the diameters and arc radius, with geometry consistency checks. Calculations run locally in your browser. Keep units consistent; results are for geometry or unit checks.

Inputs

Enter any three of the four values; leave the unknown blank.

Formula and scope

Formulas are based on the LatheTool app’s material-weight, chamfer, angle/geometry, and arc-solving calculators. Weight assumes uniform density and ideal geometry. No CNC code is generated. Verify against drawings, tolerances, and machine documentation.

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