In the current cutting process, the cutting speed and metal removal rate reached a very high level, cutting conditions are very bad, often produce a large number of "unacceptable" chips.

     The so-called chip control (also known as chip processing, the factory generally referred to as "chip"), refers to the cutting process to take appropriate measures to control the chip curl, outflow and break, so that the formation of "acceptable" The

     In the actual processing, the most widely used chip control method is in the rake face grinding out the chip breaker or the use of briquettes chip breaker.