防松墊圈由兩片墊圈組成,外側是帶有放射狀凸紋麵,內側為斜齒麵。工作原理非常簡單:它當裝配時,內側斜齒麵間相對,外側放射狀凸紋麵與兩端接觸麵成咬合狀態,當連接件受到振動,並使螺栓發生松動趨勢時,僅僅允許兩片墊圈內側斜齒麵間相對錯動,產生抬升張力,從而達到100%的鎖緊效果。
光滑地倒圓的齒狀表麵均勻地壓在螺栓連接的接觸麵上,安全地壓緊連接件,不致於損壞,作為連接防松之用。碟簧的變形量(H-S)在螺母上保持一定壓力。齒狀表麵的內摩擦為防松提供瞭附加的保護作用。S系列為標準載荷,VS系列為中等載荷。
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新手教學
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