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Oscillation-specific bearings have many differences compared to conventional bearings.
Source: Bearing network time: 2014-08-19
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A. The diameter of the roll body is increased; the length of the roll body is increased.
B. Persist the frame to guide the roller by the outer ring rib; reduce the force on the roller.
C. Use the inner ring rib to guide the roller; improve the roller operation.
D. Cylindrical roller bearing retaining frame adopts integral layout; the strength is greatly improved.
E. The outer diameter of the self-aligning bearing is characterized by the oil groove of the oil groove; the smoothing effect is good.
Usually bearings:
A. The diameter of the roller body and the length of the roll body are both small. B. Hold the roller or inner ring guide.
C. Cylindrical roller bearing brackets use rivet layout; simply loose, cover off.
D. Self-aligning bearing outer diameter without oil groove oil hole; smooth smooth effect.
2. Select the special bearings for data oscillation:
A. The inner and outer rings and the rolling body are vacuum degassed bearing steel; the fatigue resistance is good.
B. adhere to the selection of aluminum iron manganese bronze data; high strength; good elasticity; better wear resistance.
Usually bearings:
A. The inner and outer rings and the rolling body are usually made of bearing steel.
B. adhere to the selection of zinc brass raw materials; low strength; poor elasticity.
3. Heat treatment method for oscillating special bearings:
A. The inner and outer rings are selected from Bay-Machine mixed quenching or Martens quenching + high temperature tempering; the hardness is uniform; the internal stress is è— èŒ«è±¢ 茫豢 茫豢 寤骱 寤骱 寤骱 寤骱.
B. When working within 150C temperature; good stability.
Usually bearings:
A. The inner and outer rings are usually quenched; the resistance is poor; the impact resistance and oscillation function are poor; the thermal stability is not good.
4. Special bearings for public service and production process oscillation:
A. Strictly produced according to P6 precision specifications; special inner and outer diameter public service is very small.
B. The rolling element dimensions are different from each other ≤ 0. 002
C. Cylindrical roller outer diameter has convexity practice; prevent stress gathering.
D. Tumbled surface super fine treatment; high finish.
Usually bearings:
A. Usually PO level precision public service (some P6 level specifications) production.
B. Roller grouping ≤ 0. 005.
C. Cylindrical roller without convexity practice.
D. Some raceways are only polished; the finish is low.
5. Special bearings for internal clearance oscillation:
A. The clearance is produced according to the demand of the oscillating machinery; the scale control is on a small scale; the consistency is good.
Usually bearings:
The play is usually produced according to the specification group or the C3 group; the clearance or the 蚴 段 螅 螅 螅 肷 (12) source.
6. Use special bearings for action oscillation:
A. Low noise; temperature rise. 榷ã„院茫皇褂褂 倜ム倜ム倜ム缙谄 窒 窒 窒 窒 窒 窒 窒 窒 窒.
Usually bearings:
B. High noise; elevated temperature; poor stability; short service life; early fatigue appearance.
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