Year1
- 材质：
- HT250
- 型号：
- 齐全
- 硬度：
- HB200
The riveting welding platform generally does not require precision because the riveting welding work is not a very fine job. Generally, the surface of the platform is hammered with an oil hammer. Even if the platform achieves high accuracy, it will lose accuracy for this reason.
< Main technical parameters of the riveting welding platform
< The working surface of the riveting welding platform should be free from rust, scratches, bumps and other appearance defects that would affect its use.
< There should be no casting defects such as sand holes, pores, cracks, slag inclusions and shrinkage porosity on the working surface of the riveting welding platform. Each casting surface should be thoroughly cleaned of molding sand and the surface should be smooth and firmly painted, and all edges should be blunted.
< There should be threaded holes or cylindrical holes for mounting handles or lifting positions on the opposite sides of the riveting and welding platform. When setting up the lifting position, consideration should be given to minimizing deformation caused by lifting.
< The riveting and welding platform should be stabilized and demagnetized.
< The hardness of the working surface of the riveting welding platform should be HB or between.
< Main verification items
< Material and surface hardness of riveting welding platform. B shape position tolerance includes nominal dimension verticality tolerance. Exterior. D flatness. Contact spots. The amount of plane fluctuation. Allowable deflection value of working surface. H surface roughness.
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