By Ada Chen | 04 December 2020 | 0 Comments

Advantages of CNC machine tools and ordinary machine tools in metal machining

In metal machining, CNC machine tools and ordinary machine tools are common processing equipment, but there is still a big gap in the actual operation process. Ordinary machine tools have a constant speed, and the cutting speed is different for different diameters. However, large computer gongs, CNC lathes have constant lines. Speed cutting function, the same linear speed can be used when turning the end face and the outer circle of different diameters to ensure that the surface roughness value is small and consistent. In actual production, ordinary machine tools sometimes cannot meet the processing needs, which requires the use of CNC machine tools.
 
The advantages of CNC machine tools are introduced below.
 Metal Parts with tight machining tolerance requirements
The CNC machine tool has good rigidity, high manufacturing accuracy, accurate tool setting, and convenient size compensation, so it can process metal parts with tight dimensional tolerance.
 
Most suitable for a variety of small and medium batch parts
When processing small batches and single-piece production, it is also possible to shorten the debugging time of the program and the preparation time of the tooling. With the gradual decline in the manufacturing cost of CNC machine tools, nowadays, whether it is domestic or foreign, the situation of processing large quantities of parts has also appeared.
 
Machining metal parts with complex structure or shapes
Any plane curve can be approximated by a straight line or a circular arc. The CNC machine tool has circular interpolation function and can process a variety of complex contour metal parts.
 
Machining parts with small surface roughness values
When large-scale computer gongs process surfaces with different surface roughness, select a small feed rate for the surface with small roughness, and select a larger feed rate for the surface with large roughness. The variability is very good, which is difficult to do on ordinary machine tools.


 

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