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Factors Affecting The Service Life Of Granite Machine Base

Oct. 26 , 2018

The effect of the depth of the scraping on the service life of the vibration test Granite Machine Base is not negligible. The JJG117-91 verification procedure does not specify the depth of scraping, which is undoubtedly a defect. From the point of view of use, it will not cause the workpiece to be combined with the vibration granite platform platform.

Increase the contact area as much as possible to increase the service life of the vibration test platform. The JJG117-91 verification procedure also does not properly limit this item. In order to improve the service life of the platform and ensure the working accuracy, it is recommended to have a depth of 0.02mm or more for the scraping depth, which ensures a long service life and verification cycle of the vibration experimental platform.

According to the spray welding process, the surface of the guide rail is preheated to above 150 ° C. After the initial welding powder is sprayed, the sprayed surface is warmed to above 900 ° C - 1200 ° C.

The solder powder is melted to form a Granite Angle Plate surface. Due to the pre-warming and heating time of the granite platform, the workpiece has a large heating area.

It is easy to appear secondary pores, and the difference between the metal color and the base metal at the weld repair is the common feature. This is also the fundamental reason why the traditional welding repair process cannot completely solve the defect repair of the machine guide rail.

Granite Machine Base

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