The fine grooves, that are intrinsically engraved into the product surface at the time of machining, are transformed into micro-dimple indentations by the impact of the ultra-fine media during WPC treatment. These dimples then act as oil reservoirs.
Images of Media Blasting
Thus, oil that would normally drain away, through the grooves in an untreated product, when pressure is applied, is instead retained in the dimples of a WPC treated product. This helps to keep the surface lubricated.
Sand blasting (left), shot peening (middle) and WPC (right)
Images of Ccontact Area
Mirrored surface (left) and WPC treated surface (right)
Furthermore, solid lubricants such as Tin (Sn) and Molybdenum Disulfide (MoS2) can be utilized as media in the WPC process to embed them into the product surface. This reduces friction and improves the life and efficiency of the product to an even greater level. This process is called PIP(Powder Impact Plating).
Magnified Images of Surface Roughness
PVD, CVD, PCVD - DLC, CrN, TiN,TiAlN TiCN, TiC
anti wear, antiwear, anti seizure, anti galling, anti friction, micro welding, microwelding
REM, ISF, Tumble Finish, isotropic finish, polishing
pistons, bearings, engine parts, transmission parts, shafts, valves
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