The app calculates RPM for lathe depending on material and its designation.

How to use:

1. Select material,
2. Select designation,
3. Select Tool type,
4. Optionally change measurement units,
5. Enter work diameter.

The app will calculate the RPM value.

The following materials are supported:
- Structural steel,

- Plain carbon steels,

- Resulfurized plain carbon steel,

- Leaded plain carbon steels,

- Resulfurized alloy steels,

- Water hardening tool steel,

- Cold work, oil hardening tool steel,

- Cold work, air hardening tool steel,

- Stainless steels (Austenitic),

- Cast Iron,

- Brass,

- Bronze,

- Copper,

- Wrought aluminum,

- Cast aluminum,

- Machinable Wax,

- Acetal Copolymer (Delrin),

- Polyethylene,

- Acrylic (with coolant),

- Polycarbonate,

- Teflon,

- Nylon/Acetal,

- Bakelite,

- Hard rubber,

- Wood.

If you have any suggestions please let us know.