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CNC machining, what are the requirements for CNC machining precision? Will the CNC machining precision requirements be higher? The finer the better?
by：Foxron
2021-12-01
How to achieve 0.8 surface roughness of aluminum alloy processed by cnc?
Use a milling cutter with a larger diameter, and the rotation speed should be as high as possible, but the machine tool should not vibrate. Leave 0.3-0.5mm margin for rough milling before finishing. Whether it can reach it depends on whether the linear speed of the milling cutter is enough. Sharp or not. A milling cutter with a larger diameter is required to easily achieve high linear speeds. It is not good to increase the speed without increasing the diameter of the milling cutter. In this way, the roughness can reach 0.8 in general. In addition, a sufficient amount of cutting fluid should be added when finishing milling.
What is the surface roughness of general CNC machining?
Generally, ordinary machine tools are processed at about 3.2, and high-speed machines can achieve a finish of 1.6; pay attention to the tools and cutting parameters used in the processing.
Is the smaller the surface roughness of the part, the finer it is?
1. About profile meter and roughness meter The profile meter and the roughness meter are not the same product. The main function of the profile meter is to measure the contour shape of the part surface.
For example: groove depth, groove width, chamfer (including chamfer position, chamfer size, angle, etc.) of grooves in automobile parts, straightness of the cylindrical surface, and other parameters. In short, the profiler reflects the macroscopic outline of the part.
2. The function of the roughness meter is to measure the surface processing quality of the grinding/finishing process of the surface of the part. In layman's terms, it means that the surface of the part is not polished (the old national standard for roughness is called smoothness), that is, the roughness It reflects the microscopic condition of the processed surface of the part.
Choose the right CNC processing, log in: http://www.dghongye.com
Use a milling cutter with a larger diameter, and the rotation speed should be as high as possible, but the machine tool should not vibrate. Leave 0.3-0.5mm margin for rough milling before finishing. Whether it can reach it depends on whether the linear speed of the milling cutter is enough. Sharp or not. A milling cutter with a larger diameter is required to easily achieve high linear speeds. It is not good to increase the speed without increasing the diameter of the milling cutter. In this way, the roughness can reach 0.8 in general. In addition, a sufficient amount of cutting fluid should be added when finishing milling.
What is the surface roughness of general CNC machining?
Generally, ordinary machine tools are processed at about 3.2, and high-speed machines can achieve a finish of 1.6; pay attention to the tools and cutting parameters used in the processing.
Is the smaller the surface roughness of the part, the finer it is?
1. About profile meter and roughness meter The profile meter and the roughness meter are not the same product. The main function of the profile meter is to measure the contour shape of the part surface.
For example: groove depth, groove width, chamfer (including chamfer position, chamfer size, angle, etc.) of grooves in automobile parts, straightness of the cylindrical surface, and other parameters. In short, the profiler reflects the macroscopic outline of the part.
2. The function of the roughness meter is to measure the surface processing quality of the grinding/finishing process of the surface of the part. In layman's terms, it means that the surface of the part is not polished (the old national standard for roughness is called smoothness), that is, the roughness It reflects the microscopic condition of the processed surface of the part.
Choose the right CNC processing, log in: http://www.dghongye.com
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