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Dongguan Goodjob Precision Components Co.,Ltd.

ADD: No.68, Changsheng North Road, Dalang,Dongguan,Guangdong,China

Tel: +86-769-23327726

Fax: +86-769-23327736

Email:info@goodjcnc.com

The Difference Between CNC Turning And CNC Milling
May 14, 2018

Turning is the process when a single point cutting tool is parallel to the material. The material (be it metal, wood, plastic or stone) is then rotated and the cutting tool traverses across 2 axes of motion in order to produce exact depths and diameters. This can be done on the outside of the material or on the inside (in a process known as boring) which can be used to produce tubular components to various required dimensions. This process could be done manually but nowadays it is more common to use a computer controlled and automated lathe which, unlike in the manual process, does not require constant supervision by an operator.


CNC milling involves the use of commands or G-codes programmed into the milling machine with each alphanumeric code having a designated function to be performed by the machine. The mills then drill and turn along axes to cut and shape the material to the dimensions programmed into the machine. CNC milling machines can be controlled using the computer controls or the manual overrides which are located on the front of the machine. Although the program is the preferred means of controlling the process, as the spindle can be programmed to make any required cuts, using the manual overrides allow the operator to speed up and slow down when necessary.