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EPW
EPW
EPW
EPW
  • EPW
  • EPW
  • EPW

产品特性

低摩擦系数和高耐磨性的材料。出色的耐磨性能被应用于SAVI其它塑料轴承不能胜任的场合。适合软轴和硬轴材料配合使用

  • 连续使用温度:-40°C/+90°C

  • 非常耐磨,长寿命

  • 适合在灰尘中运行

  • 对轴表面粗糙度要求低

  • 较低的摩擦系数

  • 适用于软轴


     典型应用领域:

    印刷工业    自动化    机电    健身器材    制药设备


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表格显示不全,可左右移动查看。

 规格代码mmmmmmd1压入后公差d1压入后公差孔径H7孔径H7轴径h9轴径h9
NO.d1d2LMin.Max.Min.Max.Min.Max.
EPW-0304-0534.553.0143.0544.54.5122.9753
EPW-0304-0634.563.0143.0544.54.5122.9753
EPW-0405-0445.544.024.0685.55.5123.974
EPW-0405-0545.554.024.0685.55.5123.974
EPW-0405-0645.564.024.0685.55.5123.974
EPW-0405-0845.584.024.0685.55.5123.974
EPW-0405-1045.5104.024.0685.55.5123.974
EPW-0506-055655.015.0466.0124.975
EPW-0506-075675.015.0466.0124.975
EPW-0507-055755.025.06877.0154.975
EPW-0507-085785.025.06877.0154.975
EPW-0507-1057105.025.06877.0154.975
EPW-0607-086786.016.05877.0155.976
EPW-0608-066866.026.06888.0155.976
EPW-0608-086886.026.06888.0155.976
EPW-0608-1068106.026.06888.0155.976
EPW-0810-0681068.0258.0831010.0157.9648
EPW-0810-0881088.0258.0831010.0157.9648
EPW-0810-10810108.0258.0831010.0157.9648
EPW-0810-12810128.0258.0831010.0157.9648
EPW-0810-16810168.0258.0831010.0157.9648
EPW-0810-21810218.0258.0831010.0157.9648
EPW-0812-10812108.048.131212.0187.9648
EPW-1012-041012410.02510.0831212.0189.96410
EPW-1012-051012510.02510.0831212.0189.96410
EPW-1012-061012610.02510.0831212.0189.96410
EPW-1012-081012810.02510.0831212.0189.96410
EPW-1012-1010121010.02510.0831212.0189.96410
EPW-1012-1210121210.02510.0831212.0189.96410
EPW-1012-1510121510.02510.0831212.0189.96410
EPW-1012-2010122010.02510.0831212.0189.96410
EPW-1014-1010141010.0410.131414.0189.96410
EPW-1014-1610141610.0410.131414.0189.96410
EPW-1214-061214612.03212.1021414.01811.95712
EPW-1214-081214812.03212.1021414.01811.95712
EPW-1214-091214912.03212.1021414.01811.95712
EPW-1214-1012141012.03212.1021414.01811.95712
EPW-1214-1212141212.03212.1021414.01811.95712
EPW-1214-1512141512.03212.1021414.01811.95712
EPW-1214-2012142012.03212.1021414.01811.95712
EPW-1214-3012143012.03212.1021414.01811.95712
EPW-1416-051416514.03214.1021616.01813.95714
EPW-1416-081416814.03214.1021616.01813.95714
EPW-1416-1014161014.03214.1021616.01813.95714
EPW-1416-1514161514.03214.1021616.01813.95714
EPW-1416-2014162014.03214.1021616.01813.95714
EPW-1416-2514162514.03214.1021616.01813.95714
EPW-1517-061517615.03215.1021717.01814.95715
EPW-1517-1015171015.03215.1021717.01814.95715
EPW-1517-1215171215.03215.1021717.01814.95715
EPW-1517-1515171515.03215.1021717.01814.95715
EPW-1517-2015172015.03215.1021717.01814.95715
EPW-1517-2515172515.03215.1021717.01814.95715
EPW-1618-1016181016.03216.1021818.01815.95716
EPW-1618-1216181216.03216.1021818.01815.95716
EPW-1618-1516181516.03216.1021818.01815.95716
EPW-1618-2016182016.03216.1021818.01815.95716
EPW-1618-2516182516.03216.1021818.01815.95716
EPW-1820-1018201018.03218.1022020.02117.95718
EPW-1820-1518201518.03218.1022020.02117.95718
EPW-1820-2018202018.03218.1022020.02117.95718
EPW-2023-1020231020.0420.1242323.02119.94820
EPW-2023-1520231520.0420.1242323.02119.94820
EPW-2023-2020232020.0420.1242323.02119.94820
EPW-2023-2520232520.0420.1242323.02119.94820
EPW-2023-3020233020.0420.1242323.02119.94820
EPW-2225-1522251522.0422.1242525.02121.94822
EPW-2528-1225281225.0425.1242828.02124.94825
EPW-2528-1525281525.0425.1242828.02124.94825
EPW-2528-2025282025.0425.1242828.02124.94825
EPW-2528-2525282525.0425.1242828.02124.94825
EPW-2528-3025283025.0425.1242828.02124.94825
EPW-2532-3025323025.06525.1953232.02524.94825
EPW-2832-2028322028.06528.1953232.02527.94828
EPW-2832-2528322528.06528.1953232.02527.94828
EPW-2832-3028323028.06528.1953232.02527.94828
EPW-3034-2030342030.0430.1243434.02529.94830
EPW-3034-2530342530.0430.1243434.02529.94830
EPW-3034-3030343030.0430.1243434.02529.94830
EPW-3034-4030344030.0430.1243434.02529.94830
EPW-3236-2032362032.0532.153636.02531.93832
EPW-3236-3032363032.0532.153636.02531.93832
EPW-3539-2035392035.0535.153939.02534.93835
EPW-3539-3035393035.0535.153939.02534.93835
EPW-3539-4035394035.0535.153939.02534.93835
EPW-4044-2040442040.0540.154444.02539.93840
EPW-4044-3040443040.0540.154444.02539.93840
EPW-4044-3540443540.0540.154444.02539.93840
EPW-4550-2045502045.0545.155050.02544.93845
EPW-4550-3045503045.0545.155050.02544.93845
EPW-4550-4045504045.0545.155050.02544.93845
EPW-5055-2050552050.0550.155555.0349.93850
EPW-5055-3050553050.0550.155555.0349.93850
EPW-5055-4050554050.0550.155555.0349.93850
EPW-5055-5050555050.0550.155555.0349.93850
EPW-6065-5060655060.0660.186565.0359.92660
EPW-7075-5070755070.0670.187575.0369.92670
EPW-7075-6070756070.0670.187575.0369.92670


材料性能测试标准单位EPW
颜色--米黄
密度ISO1183g /cm31.25
最大吸湿率,50%RHISO62%1.3
最大吸水率ISO62%6.5
对钢动摩擦系数ITSO25μ0.09-0.20
极限P.V值ITSO26N/mm2 x m/s0.50
弯曲模量ISO178M Pa3200
弯曲强度ISO178M Pa75
最大静载荷ITSO27M Pa60
最大动载荷ITSO28M Pa25
邵氏硬度ISO868D75
连续运行温度ITS029+90
短时运行温度ITS029+180
最低运行温度ITSO29-40
导热性ISO22007W/(m·K)0.24
线性热膨胀系数ISO11359K-1 × 10-59
阻燃等级UL94ClassHB
体电阻率IEC60093Ω·cm> 1013
面电阻率IEC60093Ω> 1012



轴承PV值

EPW塑料轴承最大运行PV值为0.5N/mm2xm/s;由此决定轴承所承受的载荷与速度成反比,详情查阅图表EPW-1。


轴承的载荷、速度、温度

EPW塑料轴承可承受最大静载荷为60Mpa,在此载荷下轴承的最大压缩变形量参考图表EPW-2;轴承实际工作载荷略小于60Mpa,载荷还受到运行速度以及温度的影响,速度越快(Vmax:1.0m/s)会导致摩擦温度上升,而温度上升(Tmax:90°C)会导致轴承的承载能力逐渐减弱,载荷随轴承工作温度变化情况参考图表EPW-3。


轴承的摩擦系数

图表EPW-4表明EPW塑料轴承的摩擦系数随着运动速度的变化影响较小,而图表EPW-5表明EPW塑料轴承的摩擦系数随着载荷的增加明显减小,在载荷超过20Mpa是逐渐趋于平稳;图表EPW-6表明EPW塑料轴承的摩擦系数受轴粗糙度的影响也相对较小;虽然如此,我们还是建议轴的表面不能太光滑,也不能过于粗糙,推荐使用轴的粗糙度为Ra0.3~0.6um。

EPW干运行油脂
摩擦系数 μ0.09-0.200.090.040.04


磨损与轴材料

图表EPW-7表明EPW塑料轴承在2Mpa下做旋转运动时,磨损随着轴材料的变化较大;通过实验表明EPW塑料轴承在做旋转运动时比较适合用于硬铬轴,硬化钢轴和硬铬轴上用于EPW塑料轴承能获得良好的运行效果。图表EPW-8表明硬铬轴更适合用于高载荷下的EPW塑料轴承,随着载荷的不断增加,轴承的磨损速率却变化较小,图表EPW-8表明EPW塑料轴承在不同载荷下的差异。


化学抗性

EPW塑料轴承能抵抗弱碱以及各类润滑油的腐蚀。


吸水性

EPW塑料轴承在标准大气压中的吸湿率为1.3%,浸泡在水中最高吸水率为6.5%;由于高吸水率的特性,我们必须考虑此轴承的应用环境。


抗UV性能

EPW塑料轴承长久暴露在紫外线下颜色会发生褪变。材料性能基本都不会发生改变。


安装公差

EPW塑料轴承压装后公差

直径


 [mm]

EPW

E10 [mm]
座孔

H7 [mm]


h9 [mm]
> 0~3+0.014~+0.0540~+0.0100~-0.025
> 3~6+0.020~+0.0680~+0.0120~-0.030
> 6~10+0.025~+0.0830~+0.0150~-0.036
> 10~18+0.032~+0.1020~+0.0180~-0.043
> 18~30+0.040~+0.1240~+0.0210~-0.052
> 30~50+0.050~+0.1500~+0.0250~-0.062
> 50~80+0.060~+0.1800~+0.0300~-0.074
> 80~120+0.072~+0.2120~+0.0350~-0.087
> 120~180+0.085~+0.2450~+0.0400~-0.100