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
Operating cotton notary test bearing inspection agency reporting system and cotton enterprises proof system has been initially built
To accurately grasp the institutions to operate across the country for the seizure of cotton notary test number and organization of implementation of the 2007 MDF Board established a working operating cotton notary test case for the seizure institutions reporting system, requiring all backing bearings inspection agencies fully understand the area of cotton enterprises functioning, with the cotton situation, notary inspection certificate settlement, etc., to predict the amount of cotton on a quarterly basis to the MDF Board declared. From one institution to declare the seizure situation, quarterly operating cotton notary test reporting system has been initially established, the seizure rate reported to increase quarter by quarter, second quarter of 2008 reached 80.65% reporting rate, an increase of 8.70%.
To ensure that funds appropriated by the number of MDF Board consistent with enterprise reporting, 2008 MDF Board to further strengthen the management of cotton notary test management efforts to establish a business enterprise with a cotton cotton notary test certification system, in order to promote the use of cotton enterprises to fulfill their due the obligation to bear the corresponding legal responsibility. 2008 Q2 MDF Bureau received 678 nationwide enjoy free cotton notary test of textile and cotton enterprises by mail, fax, etc. reported a total of 581 copies of supporting documents, the feedback rate reached 85.69 percent, an increase of 30.86% from 2008 one, two quarter feedback results, the majority of cotton textile enterprises to fulfill their obligations to do consciously and actively demonstrate bearing inspection agencies inspection area number, but some companies have yet to improve the understanding, the management of some companies are not in place, nearly 20% of enterprises do not feedback or pressed MDF Board requested feedback.
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