What is the difference between CNC turning and milling

CNC turning workpiece refers to the method of turning the workpiece on the lathe relative to the tool, turning is mainly provided by the workpiece rather than the tool, turning is a basic and commonly used cutting method, which plays an important role in production.

CNC turning workpiece is suitable for processing rotating surface, most of the workpiece with rotating surface can be processed by cutting method, such as, internal and external cylindrical surface, internal and external conical surface, end face, groove, screw and rotary molding surface, etc., in the tool used in metal cutting machine tools, the application of lathe is very wide, accounting for about 50% of the total number of machine tools, turning workpiece with turning tool, With drill, hinge, tap, knurled drill, hinge, tap, knurled, according to the process characteristics of the lathe, layout and structural characteristics, lathes can be divided into horizontal lathes, landing lathes, vertical lathes, rotary lathe and analog lathes, of which horizontal lathes are mostly.

1. Different characteristics

Turning refers to the lathe processing is a part of mechanical processing, the lathe mainly uses the turning tool to process the rotating workpiece, the lathe is mainly used for processing shaft, plate, jacket and other rotating surface, is the machine tool processing of machinery manufacturing and repair factory.

2. Different functions

Turning is a method of turning the workpiece through the tool rotation on the lathe, the turning is mainly provided by the workpiece rather than the tool, the milling center can be three-axis or multi-axis milling, for processing molds, check, fetal, thin-wall complex surfaces, artificial prosthesis, blades, etc., in the selection of CNC milling content, to give full play to the advantages and key role of CNC milling.

CNC turning workpiece technology and its application

Turning is a form of machining, is a material removal process, by cutting unnecessary material to process parts, turning requires lathes, workpieces, fixtures and tools, the workpiece is fixed on the fixture of the prefabricated material, fixture itself fixed on the lathe, can be rotated at high speed, the tool is usually fixed on the machine, turning inside and outside the cylinder, when turning, The turning tool moves in the direction parallel to the rotation axis of the workpiece, and when turning the end face or cutting the workpiece, the turning tool moves horizontally in the direction perpendicular to the rotation axis of the workpiece.

Turning is generally divided into rough car and fine car (including semi-fine car), rough car as far as possible to use large cutting depth and feed, without reducing the cutting speed to improve the turning efficiency, semi-fine car and fine car as far as possible to use high-speed small feed and cutting depth, turning can provide higher tolerances and surface finish, This makes it ideal for adding precise rotation features to parts that have already formed a basic shape.

Used for turning parts with a variety of characteristics (usually axissymmetric parts), such as internal and external cylinders, holes, slots, threads, taper and steps of various diameters, etc. Parts manufactured entirely by turning usually include a limited number of parts, such as parts for product prototypes, custom shafts, fasteners, etc. Turning is also often used as an auxiliary machining. To add or improve the characteristics of parts manufactured by different processes, for example, turning can be used for deep processing of aluminum tube products, such as turning threads on the inside or outside of aluminum tubes for assembly, or deep processing of aluminum profiles such as chamfering or turning notches.

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