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1、液压油缸设计规范及工艺参数和要求一、液压缸常用压力等级系单列, 摘自位:MPa(GB/T2346-1988)6.31012.516202531.5二、液压缸缸筒内径常用尺单寸系列,位:mm摘自(GB/T2348-1993)324050638090100110125140160180200220250280320360380400420450500三、液压缸活塞杆径常用尺单寸系列,位:mm摘自(GB/T2348-1993)161820222528364045505663708090100110125140160180200220250280300320360380400420450四、液压缸油口
2、螺纹常用尺单寸系列,位:mm摘自(GB/T2878-1993)M5X0.8M8X1M10X1M12X1.5M14X1.5M16X1.5M18X1.5M20X1.5M22X1.5M27X2M33X2M42X2M50X2M60X2五 、液压缸设计常用材料及性能材料名称 处理状态 抗拉强度屈服强度单位 :mm S备注单位 :MPa材料厚度单位 :MPa0.1-1616-3030-4565044114高压薄壁调质液压缸35520340174559033532531514普通液压缸3551030529528517Q345热扎49032531521Q2954302952852220390245235225
3、20低压液压缸103352051951852440Cr980785高压薄壁液压缸27SiMm9808351230CrMo调质9508001235CrMo10008501242CrMo10809301238CrMoAlA10008501515MnVn75050026耐冲击ZG230-45045023022特种液压缸ZG270-500铸钢管560270ZG310-570570210ZL105铸铝合金 160-2305A03防锈铝合180805A06金320160六、液压缸缸筒的技术要求6.1缸筒内径一般采用 H9或H8级配合6.2缸筒内孔表面粗糙度Ra=0.16-0.32m,一般用 0.2m6.3
4、缸筒内孔直线度公差在500mm长度上不大于0.03mm1815特种液压6.5缸特种液压13缸156.4缸筒断面对内孔的垂直度公差在直径100mm上不大于0.04mm6.5缸筒壁厚和材料须满足液压缸最大工作压力的要求.七、液压缸各压力下的推力缸径输出推力单位： KN单位： mm工作压力单位 :MPa6.31012.516202531.5253.0909384.906256.1328137.859.812512.2656315.45469325.0641928.038410.04812.8614416.076820.09625.32096407.912812.5615.720.09625.1231
5、.439.5645012.3637519.62524.5312531.439.2549.062561.818756319.6286931.1566538.9458149.8506462.313377.8916398.143458031.651250.2462.880.384100.48125.6158.2569040.0585563.58579.48125101.736127.17158.9625200.292810049.45578.598.125125.6157196.25247.27511059.8405594.985118.7313151.976189.97237.4625299.20
6、2812577.27344122.6563153.3203196.25245.3125306.6406386.367214096.9318153.86192.325246.176307.72384.65484.659160126.6048200.96251.2321.536401.92502.4633.024180160.2342254.34317.925406.944508.68635.85801.171200197.82314392.5502.4628785989.1220239.3622379.94474.925607.904759.88949.851196.811250309.0938
7、490.625613.2813785981.251226.5631545.469280387.7272615.44769.3984.7041230.881538.61938.636320506.4192803.841004.81286.1441607.682009.62532.096360640.93681017.361271.71627.7762034.722543.43204.684380714.13021133.541416.9251813.6642267.082833.853570.651400791.28125615702009.6251231403956.4420872.38621
8、384.741730.9252215.5842769.483461.854361.9314601046.4681661.062076.3252657.6963322.124152.655232.3394801139.4431808.642260.82893.8243617.284521.65697.2165001236.3751962.52453.125314039254906.256181.875八、 1 液压缸在常用速比下的杆径及各压力下的推力( 一)缸径速比杆体径输出推力单位： KN单位： mm工作压力单位 :MPa单位： mm6.31016202531.5251.33122.37878
9、63.775856.041367.55179.43962511.893931.46142.121623.367655.388246.73538.41912510.60812181.4885962.362853.780564.72575.9071257.442978401.33205.93469.4215.07218.8423.5529.6731.46225.5191788.760614.0169617.521221.901527.595892284.0355286.405610.2489612.811216.01420.177641.33259.27281314.7187523.5529.437536.7968846.36406501.46288.48647813.470621.5529626.941233.676542.432392356.30551310.0087516.01420.017525.0218831.527561.333214.564523.1182536.989246.23
