CNC Turning

Due to the development of modern science and technology, various high-strength and high-hardness engineering materials are increasingly used. Traditional turning technology is difficult or impossible to process some high-strength and high-hardness materials. Hard turning technology makes it possible and achieves significant benefits in production. Below, the Aluminum CNC Turning Factory will briefly introduce the characteristics of the turning process.

1. Features of Turning

(1) High turning efficiency

Turning has higher efficiency than grinding. Turning often uses large cutting depths and high workpiece speeds. The metal removal rate is usually several times that of grinding. When turning, a single clamping can complete a variety of surface processing, while grinding requires multiple installations, so its auxiliary time is short and the position accuracy between the processed surfaces is high.

(2) Low equipment input cost. When the productivity is the same, the lathe investment is obviously better than that of the grinder, and its auxiliary system cost is also low. For small batch production, turning does not require special equipment, while large-volume machining of high-precision parts requires a CNC machine tool with good rigidity, high positioning accuracy and repeated positioning accuracy.

(3) Suitable for small batch flexible production requirements The lathe itself is a flexible processing method with a wide processing range. The lathe is easy to operate and the turning and clamping are fast. Compared with grinding, hard turning can better meet the requirements of flexible production.

(4) Hard turning can achieve good overall machining accuracy of parts

Most of the heat produced in hard turning is taken away by cutting oil, which will not produce surface burns and cracks like grinding, has excellent surface quality, accurate roundness, and can guarantee high Position accuracy.

2. Turning tool materials and their selection

(1) Coated carbide tool

Coated cemented carbide tools are coated with one or more coatings with good wear resistance on carbide tools with good toughness. The coating usually plays the following two functions: On the one hand, it has The much lower thermal conductivity of the substrate and the workpiece material weakens the thermal effect of the tool substrate; on the other hand, it can effectively improve the friction and adhesion of the cutting process and reduce the generation of cutting heat. Compared with coated carbide tools, coated carbide tools have greatly improved in terms of strength, hardness and wear resistance.

(2) Ceramic material cutter

Ceramic tools have the characteristics of high hardness, high strength, good wear resistance, good chemical stability, good anti-adhesion performance, low friction coefficient and low price. In normal use, the durability is extremely high, and the vehicle speed can be several times higher than that of cemented carbide. It is particularly suitable for high-hardness material processing, finishing and high-speed processing.

The above are the characteristics of the CNC turning process introduced by the Aluminum CNC Machining supplier. Hope to help everyone.