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.
2013年7月26日星期五
One, how to type test?
Products centralized test basis "test center recognized by the government for the seizure range" OK. Enterprises may have qualified for the seizure and inspection center to choose. Under the jurisdiction of the subjects on the Taper bearing center directory unclear, consult the report be submitted in writing to accept office, transferred by the receiving Office after authorities determined reply notification enterprises.
订阅:
博文评论 (Atom)
没有评论:
发表评论