What impact does spindle speed have on machining?

Spindle speed plays a crucial role in machining because it directly influences the material removal rate and the efficiency of the cutting process. The appropriate spindle speed ensures that the cutting tool operates within its optimal range, allowing for effective chip formation and heat dissipation. When the spindle speed is correctly set for the specific material and tooling used, it enhances tool life, minimizes wear, and improves the overall efficiency of the machining operation.

Using the wrong spindle speed can lead to various issues such as overheating, inadequate cutting, or excessive tool wear, which can all drastically decrease machining efficiency. Therefore, spindle speed is not just about maintaining a certain visual finish or aesthetics; it's fundamentally connected to how effectively and efficiently the machining process can be carried out.