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8月8日星期四
INA Bearing normal operation requires that the conditions and the environment
Kunshan clutch bearing INA Bearing improper use of the words, even the world's best INA bearings can not operate normally.
1, to ensure minimal installation INA Bearing inner amount of interference standards;
2, to ensure minimum film thickness criterion;
3, the maximum mechanical load and impact load criteria;
4, the relevant condition guidelines (bearing, shaft stiffness, seals, etc.).
5, the maximum thermal load (absolute humidity, temperature) guidelines;
INA Bearing correctly grasp the use of mechanical devices in position and conditions of use and environmental conditions is to select suitable bearing of the premise.
1, the function and structure of mechanical devices
2, INA Bearing the use of parts
3, INA Bearing load (size, orientation)
4, the rotation speed
5, vibration, shock
6, INA Bearing temperature (ambient temperature, temperature)
7, the surrounding atmosphere (corrosive, cleaning, lubrication)
The use of reasonable cooling method:
After quenching cooling process of metal on the deformation impact is very important Deformation. Heat oil quenching oil quenching deformation than the cold, the general control of 100 ± 20 ℃. The deformation of the oil cooling capacity is crucial. Quenching of the mixing method and speed of impact deformation. Metal heat faster cooling rate, the more uniform cooling, the greater the stress, the mold becomes greater INA shaped stainless steel bearings.
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