O形密封圈用挡圈规范标准

!川长江工程起重机有限责任公司企业 标准 excel标准偏差excel标准偏差函数exl标准差函数国标检验抽样标准表免费下载红头文件格式标准下载 O形橡胶密封圈用挡rmLl_-JQJ/CQ32001—2006F^S本标准规定了与GB/T3452.1配套使用的O形橡胶密封圈用挡圈的结构形式、规格尺寸、材料、标记代号。本标准适用于径向固定O形橡胶密封圈工作压力大于16Mpa的液压元件。引用标准GB3452.1-2005，液压与气动用O形密封圈第1部份：尺寸系列及公差。挡圈结构及沟槽形式在O形橡胶密封圈承压面设置挡圈，O形密封圈单向受压时，在承压面设置一个挡圈，双向受压时在两个承压面各设置一个挡圈。3.1液压元件O形橡胶密封圈用挡圈结构如图：d—挡圈内径mmB—径向宽度mmT—挡圈厚度mmt一斜切口宽度mmQJ/CQ32001—2006O形橡胶密封圈用挡圈尺寸及公差见表1。材料聚四氟乙烯标记示例：GB3452.1O形橡胶密封圈用挡圈标记为：挡圈内径d=100，径向宽度B=2.1，材质为聚四氟乙烯。标记为：挡圈d100x2.1CQ32001-2006QJ/CQ32001—2006表1挡圈尺寸及公差O形密封圈挡圈O形密封圈挡圈公称截面内径公称截面内径径向宽度径向宽度厚度T厚度T内径d直径0d公差B公差内径d直径0d公差B公差6.06.026.526.56.36.327.327.36.76.728.028.06.96.929.029.07.17.130.030.07.57.531.531.58.08.032.532.58.58.533.533.58.758.7534.534.59.09.035.51.835.51.49.59.536.536.537.续表1QJ/CQ32001—2006公称截面内径公称截面内径径向宽度径向宽度厚度T厚度T内径d直径0d公差B公差内径d直径0d公差B公差21.221.267.067.022.422.469.069.023.023.071.071.023.623.675.075.024.324.377.577.525.025.080.080.025.825.882.582.5+0.0826.526.585.085.0027.327.387.587.528.028.090.090.029.029.092.592.530.030.095.095.031.531.597.597.532.532.510010033.533.510310334.534.510610635.535.51092.651092.11±0.136.536.511211237.537.5+0.080-0.0115115-0.038.72.6538.72.121±0.1118118240.040.0-0.1112112-0.141.241.201251250续表1QJ/CQ32001—2006公称截面内径公称截面内径径向宽度径向宽度厚度T厚度T内径d直径0d公差B公差内径d直径0d公差B公差23.623.673.073.024.324.375.075.025.025.077.577.525.825.880.080.026.526.582.582.527.327.385.085.0+0.0828.028.087.587.5029.029.090.090.030.030.092.592.531.531.595.095.032.532.597.597.533.533.510010034.534.510310335.535.510610636.536.510910937.537.511211238.738.711511540.040.011811841.241.212212242.542.512512543.743.7-0.0212812845.045.0+0.0132132-0.02续表1QJ/CQ32001—2006公称截面内径公称截面内径径向宽度径向宽度厚度厚度内径直径d公差B公差T内径直径d公差B公差Td0d0177.177.95.095.055+0.0818018097.597.50182.182.10010055+0.11853.5518552.81.5±0.1103103187.187.01061065519019010910919519511211220020011511540.040.011811841.241.212212242.542.512512543.743.712812845.045.013213246.246.213613647.547.5140140142.142.48.748.75550.050.0145145147.147.51.551.555续表1QJ/CQ32001—2006续表1QJ/CQ32001—2006O形密封圈挡圈O形密封圈挡圈O形密封圈挡圈O形密封圈挡圈公称截面内径公称截面内径径向宽度径向宽度厚度T厚度T内径d直径0d公差B公差内径d直径0d公差B公差2002003653652032033703702062063753752122120379379218218-0.23833832242240387387227227391391230230395395236236400400239239406406243243412412250250418418254254425425258258429429261261433433265265437437268268443443272272-0.04504502767.02765.6225±4567.0456+0.2005.6-0.0225+015280280-0.1015462462-0.102832830466466286286+0.2470470O形密封圈挡圈公称内径d截面直径0内径径向宽度厚度Td公差B公差5907.0590+0.2005.6-0.02-0.1025+015600600608608615615623623O形密封圈挡圈公称内径d截面直径0内径径向宽度厚度Td公差B公差6307.0630+0.2005.6-0.02-0.1025+015640640650650660660670670续表1QJ/CQ32001—2006