O形圈密封型式及沟槽尺寸

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1、O形圈密封型式及沟槽尺寸密封型式径向密封活塞密封沟槽注：为防止组装时损坏O形圈在缸孔端采用150~200导角活塞杆密封沟槽　注：为防止组装时损坏O形圈在杆端采用150~200导角带挡圈的沟槽　轴向密封受内部压力的沟槽 受外部压力的沟槽 　O形圈密封沟槽尺寸（摘自GB3452.3-1988）(mm)(径向密封沟槽尺寸)O形圈截面直径d21.802.653.555.307.00沟槽宽度气动动密封2.23.44.66.99.3液压动密封或静密封b2.43.64.87.19.5b13.85.06.29.012.3b25.26.47.610.915.1沟槽深度活塞密封液压动密封1

2、.422.162.964.485.95气动动密封1.462.233.034.656.20静密封1.382.072.744.195.67活塞杆密封液压动密封1.472.243.074.666.16气动动密封1.572.373.244.866.43静密封1.422.152.854.365.89最小导角长度Zmin1.11.51.82.73.6槽底圆角半径r10.2~0.40.4~0.80.8~1.2槽棱圆角半径r20.1~0.3(轴向密封沟槽尺寸)O形圈截面直径d21.802.653.555.307.00沟槽宽度b2.63.85.07.39.7沟槽深度h1.281.972.

3、754.245.72槽底圆角半径r10.2~0.40.4~0.80.8~1.2槽棱圆角半径r20.1~0.3受内部压力时，沟槽外径d7=d1+2d2受外部压力时，沟槽内径d8=d1