SQ Bearing Manufacture Rolled Lead Ball Screw
Characteristics
1. High transfer efficiency
Balls with free motion in the ball screwassembly transfer the force and motion between screw and nut. This transfer modereplaces the traditional transfer mode that screw shaft and nut effect directly.Therefore the minimum rolling friction takes place of the sliding friction oftraditional screw. The transfer efficiency of ball screw will reach more than90%. The drive torque of transfer unit reduces to 1/3 of sliding screw. Thisalso reduces the heat release largely.
2. High positioning accuracy
Ball screw has low heat release, smalltemperature increase and with actions of pre-stretch and eliminating axialclearance in the process, which make ball screw have high positioning accuracyand repeating positioning accuracy.
3.Reversibility
Ball screw has not sticky friction like slidingscrew. It clears crawl which may exists during transfer. Ball screw can achievetwo transfer modes - from rotary motion to linear motion and from linear motionto rotary motion, and transfer momentum.
4. Long service life
Since the strict control of ball screw grooveshapes, surface hardness and material selection, the actual life of ball screwis much longer than sliding screw.
5. Good synchronization
Due to smooth running, axial clearanceelimination and consistency in manufacture, several sets of ball screw assemblycan drive the same unit or several identical parts to obtain the goodsynchronization.
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