• 国家高新技术企业
  • 通过16949认证
  • ROHS认证 FDA认证
EPM
EPM
EPM
EPM
  • EPM
  • EPM
  • EPM

产品特性

萨维工程塑料免润滑的EPM材料具备优良的抗冲击、抗振动及耐磨损性能,无需额外润滑。

该材料尤其适用于对振动缓冲要求较高的场景,汽车座椅健身器材中高频运动的组件或包装机械里持续承受冲击的结构,能凭借自身特性有效吸收振动能量、减少部件磨损,从而提升设备的耐用性与运行稳

定性。

  • 连续使用温度-40°C/+80°C

  • 极好的吸震、耐冲压

  • 经济性强

  • 干运行、免维护

  • 承受边缘载荷

  • 适合低速旋转和摇摆运动


     典型应用领域:

    农用机械     家具/工业设计    纺织工业    电动门系统    汽车座椅


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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.
EPM-0304-0534.553.023.084.54.5122.973
EPM-0304-0634.563.023.084.54.5122.973
EPM-0405-0445.544.034.1055.55.5123.974
EPM-0405-0545.554.034.1055.55.5123.974
EPM-0405-0645.564.034.1055.55.5123.974
EPM-0405-0845.584.034.1055.55.5123.974
EPM-0405-1045.5104.034.1055.55.5123.974
EPM-0506-055655.035.10566.0124.975
EPM-0506-075675.035.10566.0124.975
EPM-0507-055755.035.10577.0154.975
EPM-0507-085785.035.10577.0154.975
EPM-0507-1057105.035.10577.0154.975
EPM-0607-086786.036.10577.0155.976
EPM-0608-066866.036.10588.0155.976
EPM-0608-086886.036.10588.0155.976
EPM-0608-1068106.036.10588.0155.976
EPM-0810-0681068.048.131010.0157.9648
EPM-0810-0881088.048.131010.0157.9648
EPM-0810-10810108.048.131010.0157.9648
EPM-0810-12810128.048.131010.0157.9648
EPM-0810-16810168.048.131010.0157.9648
EPM-0810-20810208.048.131010.0157.9648
EPM-0812-10812108.048.131212.0187.9648
EPM-0812-12812128.048.131212.0187.9648
EPM-1012-041012410.0410.131212.0189.96410
EPM-1012-051012510.0410.131212.0189.96410
EPM-1012-061012610.0410.131212.0189.96410
EPM-1012-081012810.0410.131212.0189.96410
EPM-1012-1010121010.0410.131212.0189.96410
EPM-1012-1210121210.0410.131212.0189.96410
EPM-1012-1510121510.0410.131212.0189.96410
EPM-1012-2010122010.0410.131212.0189.96410
EPM-1214-061214612.0512.161414.01811.95712
EPM-1214-081214812.0512.161414.01811.95712
EPM-1214-091214912.0512.161414.01811.95712
EPM-1214-1012141012.0512.161414.01811.95712
EPM-1214-1212141212.0512.161414.01811.95712
EPM-1214-1512141512.0512.161414.01811.95712
EPM-1214-2012142012.0512.161414.01811.95712
EPM-1214-3012143012.0512.161414.01811.95712
EPM-1416-051416514.0514.161616.01813.95714
EPM-1416-081416814.0514.161616.01813.95714
EPM-1416-1014161014.0514.161616.01813.95714
EPM-1416-1514161514.0514.161616.01813.95714
EPM-1416-2014162014.0514.161616.01813.95714
EPM-1416-2514162514.0514.161616.01813.95714
EPM-1517-061517615.0515.161717.01814.95715
EPM-1517-1015171015.0515.161717.01814.95715
EPM-1517-1215171215.0515.161717.01814.95715
EPM-1517-1515171515.0515.161717.01814.95715
EPM-1517-2015172015.0515.161717.01814.95715
EPM-1517-2515172515.0515.161717.01814.95715
EPM-1618-1016181016.0516.161818.01815.95716
EPM-1618-1216181216.0516.161818.01815.95716
EPM-1618-1516181516.0516.161818.01815.95716
EPM-1618-2016182016.0516.161818.01815.95716
EPM-1618-2516182516.0516.161818.01815.95716
EPM-1820-1018201018.0518.162020.02117.95718
EPM-1820-1518201518.0518.162020.02117.95718
EPM-1820-2018202018.0518.162020.02117.95718
EPM-2023-1020231020.06520.1952323.02119.94820
EPM-2023-1520231520.06520.1952323.02119.94820
EPM-2023-2020232020.06520.1952323.02119.94820
EPM-2023-2520232520.06520.1952323.02119.94820
EPM-2023-3020233020.06520.1952323.02119.94820
EPM-2225-1522251522.06522.1952525.02121.94822
EPM-2528-1225281225.06525.1952828.02124.94825
EPM-2528-1525281525.06525.1952828.02124.94825
EPM-2528-2025282025.06525.1952828.02124.94825
EPM-2528-2525282525.06525.1952828.02124.94825
EPM-2528-3025283025.06525.1952828.02124.94825
EPM-2832-2028322028.06528.1953232.02527.94828
EPM-2832-2528322528.06528.1953232.02527.94828
EPM-2832-3028323028.06528.1953232.02527.94828
EPM-3034-2030342030.06530.1953434.02529.94830
EPM-3034-2530342530.06530.1953434.02529.94830
EPM-3034-3030343030.06530.1953434.02529.94830
EPM-3034-4030344030.06530.1953434.02529.94830
EPM-3236-2032362032.0832.243636.02531.93832
EPM-3236-3032363032.0832.243636.02531.93832
EPM-3539-2035392035.0835.243939.02534.93835
EPM-3539-3035393035.0835.243939.02534.93835
EPM-3539-4035394035.0835.243939.02534.93835
EPM-4044-2040442040.0840.244444.02539.93840
EPM-4044-3040443040.0840.244444.02539.93840
EPM-4044-3540443540.0840.244444.02539.93840
EPM-4550-2045502045.0845.245050.02544.93845
EPM-4550-3045503045.0845.245050.02544.93845
EPM-4550-4045504045.0845.245050.02544.93845
EPM-5055-2050552050.0850.245555.0349.93850
EPM-5055-3050553050.0850.245555.0349.93850
EPM-5055-4050554050.0850.245555.0349.93850
EPM-5055-5050555050.0850.245555.0349.93850
EPM-6065-5060655060.160.296565.0359.92660
EPM-7075-5070755070.170.297575.0369.92670
EPM-7075-6070756070.170.297575.0369.92670


材料性能测试标准单位EPM
颜色--深灰
密度ISO1183g /cm31.14
最大吸湿率,50%RHISO62%1.4
最大吸水率ISO62%7.6
对钢动摩擦系数ITSO25μ0.09-0.30
极限P.V值ITSO26N/mm2 x m/s0.15
弯曲模量ISO178MPa2700
弯曲强度ISO178MPa100
最大静载荷ITSO27MPa30
最大动载荷ITSO28MPa15
邵氏硬度ISO868D79
连续运行温度ITS029+80
短时运行温度ITS029+170
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× 10-510
阻燃等级UL94ClassHB
体电阻率IEC60093Ω.cm

>1012

面电阻率IEC60093Ω

>1011


轴承PV值

EPM塑料轴承最大运行PV值为0.15N/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EPM-1。


轴承的载荷、速度、温度

EPM塑料轴承可承受最大静载荷为30Mpa,在此载荷下轴承的最大压缩变形量参考图表EPM-2,轴承实际工作载荷略小于30Mpa,载荷还受到运行速度以及温度的影响,速度越快(Vmax:0.8m/s)会导致摩擦温度上升,而温度上升(Tmax:80°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EPM-3。


轴承的摩擦系数

图表EPM-4表明EPM轴承的摩擦系数在载荷一定的情况下随着速度的增加而快速升高,这就说明此轴承比较适合用于低速场合:图表EPM-5表明EPM塑料轴承在速度一定的情况下摩擦系数随着载荷的增加而逐渐降低。滑动轴承的摩擦系数和磨损量受对磨轴表面粗糙度影响比较大,图表EPM-6表明EPM轴承在表面粗糙度为Ra=0.6um轴上运行时可以获得最佳运行效果。



EPM干运行油脂
摩擦系数 μ0.09-0.250.090.040.04


磨损与轴材料

图表EPM-7表明EPM轴承在不同轴材料上的运行效果表明此轴承在载苛超过2Mpa且做旋转运动时与轴材料的关系相对较小,由此图可以看出在低载荷时EPM轴承运行效果较好。当轴承的载荷增加时,轴承的磨损会快速上升,由图表EPM-8可以看出在高载荷时EPM比较适合用于硬铬轴上运行。图表EPM-7表明EPM轴承在用于旋转运动时的性能要明显优越于摆动运动。


化学抗性

EPM塑料轴承能抵抗弱碱以及各类润滑油的腐蚀。


吸水性

EPM塑料轴承在标准大气压中的吸水率为1.4%,浸泡水中最高吸水率为7.6%。由于吸水率的特性,我们必须考虑此轴承的应用环境。


抗UV性能

EPM塑料轴承长久暴露在紫外线下颜色基本不会改变。材料性能基本都不会发生改变。


安装公差

EPM塑料轴承压装后公差


直径

[mm]
EPM

D11 [mm]


H7 [mm]


 h9 [mm]

> 0~3+0.020~+0.0800~+0.0100~-0.025
> 3~6+0.030~+0.1050~+0.0120~-0.030
> 6~10+0.040~+0.1300~+0.0150~-0.036
> 10~18+0.050~+0.1600~+0.0180~-0.043
> 18~30+0.065~+0.1950~+0.0210~-0.052
> 30~50+0.080~+0.2400~+0.0250~-0.062
> 50~80+0.100~+0.2900~+0.0300~-0.074
> 80~120+0.120~+0.3400~+0.0350~-0.087
> 120~180+0.145~+0.3950~+0.0400~-0.100