Roughness tester called many names surface roughness tester, surface finish instrument, surface roughness tester, roughness tester, roughness tester, roughness tester. It has high accuracy, wide measuring range, easy to operate, easy to carry, job stability and other characteristics, can be widely used in a variety of metal detection and processing of non-metallic surface, the instrument is a sensor host integration pocket instruments, with handheld, turbocharger bearings is more suitable for use in the production site. Shape with pull aluminum mold design, durable, anti-electromagnetic interference capability significantly, with the current design of the new trend.
Precision bearings according to ISO grading standards are divided into: P0, P6, P5, P4, P2. Rank higher in turn, where P0 is the general accuracy, other grades are precision level. Of course, different classification standards, different types of bearings, their classification method somewhat different, but the meaning is to the. The use of performance requirements of precision bearings rotating body with high runout accuracy, high-speed rotation and small changes in friction and friction.
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