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Centerless grinding machines are used to grind the outer surface of cylindrical workpieces without the need for centers or chucks. They are ideal for high-volume production of components like rods, shafts, pins, and tubes.

Through-feed grinding is used for simple cylindrical parts that can pass completely through the machine. In-feed (or plunge) grinding is used for more complex shapes or parts with shoulders, where the workpiece is fed only partially into the grinding zone.

These machines can handle a wide range of materials including steel, aluminum, brass, titanium, ceramics, and some plastics, depending on the wheel type used.

They are commonly used in automotive, aerospace, medical device, electronics, and general manufacturing industries where high precision and repeatability are required.

Centerless grinding machines can achieve extremely tight tolerances, often within ±0.001 mm, depending on the setup, machine quality, and the skill of the operator.