What kind of consequences will the rough machining of cnc have on the parts?
Aug 04, 2020
Leave a message
With the continuous development of the processing industry, the things we use must be processed before they can be completed. The processing must use machines to reduce product defects. Dongguan CNC parts processing is one of them, so CNC processing is particularly rough. What are the consequences for the parts?
1. Affect wear resistance: The rougher the CNC product processing surface, the smaller the effective contact area between the surface, the greater the pressure, the greater the friction resistance, and the faster the wear.
2. Affect the stability of the fit: For clearance fits, the rougher the surface, the easier it is to wear, which will gradually increase the clearance during the working process; for interference fits, the microscopic peaks will be flattened during assembly and reduced The effective interference in practice is reduced, and the intensity of connection is reduced.
3. Affecting fatigue strength: There are large wave troughs on the surface of rough parts. Like sharp notches and cracks, they are very sensitive to stress concentration, thereby affecting the fatigue strength of the parts.
4. Influencing corrosion resistance: Rough parts can easily cause corrosive gas or liquid to penetrate into the inner metal layer through the microscopic valleys on the outer surface to form surface corrosion.
Dongguan CNC parts processing
5. Affecting airtightness: the rough surfaces cannot be closely attached, and gas or liquid leaks through the gap between the contact surfaces.
6. Affect the contact stiffness: the contact stiffness is the ability of the part separating surface to resist contact deformation under the action of external force. The stiffness of the machine depends to a large extent on the contact stiffness between the parts.
7. Affect the measurement accuracy: the measured surface of the part and the surface roughness of the measurement tool measurement surface will directly affect the measurement accuracy, especially during fine measurement.
