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圈上海文通大华 Washers ▣Plain washer(普通垫圈):Flat,doughnut- shaped part ▣Hardened steel(硬化钢)washers:Used where bolt compression load on clamped part needs to be distributed over a larger area than bolt head or nut provides. Soft washer:Yields in bending rather than effectively distribute the load. ▣Non-metallic(非金属)washers:Used when electrical insulation from part is required. 圈上泽夫道大学 Washers ④ (a)Spitockwasher ▣Lock washers(锁紧垫圈) Used to help prevent spontaneous loosening of standard nuts n >Less preferred to lock nuts. tema-toothwasher ▣Split washer(开口垫圈) >Hardened steel that acts like a spring under nut N its sharp corners tend to dig into (Extemal-tooth washer clamped surfaces ▣Toothed washers(锯齿垫圈) >have turned-up teeth that compress when clamped and dig into the nut and d Internal-extemal toeth part surfaces. w 99 Washers  Plain washer (普通垫圈): Flat, doughnut￾shaped part  Hardened steel(硬化钢) washers : Used where bolt compression load on clamped part needs to be distributed over a larger area than bolt head or nut provides.  Soft washer : Yields in bending rather than effectively distribute the load.  Non-metallic(非金属) washers : Used when electrical insulation from part is required.  Lock washers (锁紧垫圈)  Used to help prevent spontaneous loosening of standard nuts  Less preferred to lock nuts.  Split washer (开口垫圈)  Hardened steel that acts like a spring under nut  its sharp corners tend to dig into clamped surfaces  Toothed washers (锯齿垫圈)  have turned-up teeth that compress when clamped and dig into the nut and part surfaces. Washers
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