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EPXF
EPXF
EPXF
EPXF
  • EPXF
  • EPXF
  • EPXF

产品特性

高温250度自润滑材料。高化学抗性可被用于多数腐蚀性液体中。高承载能力,一般用于高温或高化学腐蚀场合

  • 连续使用温度:-100°C/+250°C

  • 适合高载荷运用

  • 高温下保持较高的承载能力

  • 较广泛的化学抗性

  • 非常低的吸水率

  • 较高的抗压强度


典型应用领域:

航天工程    饮料工业    塑料成型加工业    木材加工    无尘室


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表格显示不全,可左右移动查看。

规格代码 d1d2Ld3td1压入后公差d1压入后公差孔径H7孔径H7轴径h9轴径h9
NO.mmmmmmmmmmMin.Max.Min.Max.Min.Max.
EPXF-0304-0334.537.50.753.0143.0544.54.5122.9753
EPXF-0304-0534.557.50.753.0143.0544.54.5122.9753
EPXF-0405-0345.539.50.754.024.0685.55.5123.974
EPXF-0405-0445.549.50.754.024.0685.55.5123.974
EPXF-0405-0545.559.50.754.024.0685.55.5123.974
EPXF-0506-05565100.55.015.0466.0124.975
EPXF-0506-08568100.55.015.0466.0124.975
EPXF-0507-055751115.015.0477.0154.975
EPXF-0608-046841216.026.06888.0155.976
EPXF-0608-066861216.026.06888.0155.976
EPXF-0608-086881216.026.06888.0155.976
EPXF-0608-1068101216.026.06888.0155.976
EPXF-0610-0661061426.036.1051010.0155.976
EPXF-0810-0581051518.0258.0831010.0157.9648
EPXF-0810-0681061518.0258.0831010.0157.9648
EPXF-0810-0781071518.0258.0831010.0157.9648
EPXF-0810-0881081518.0258.0831010.0157.9648
EPXF-0810-0981091518.0258.0831010.0157.9648
EPXF-0810-10810101518.0258.0831010.0157.9648
EPXF-0812-10812101628.0138.0711212.0187.9648
EPXF-1012-051012518110.02510.0831212.0189.96410
EPXF-1012-071012718110.02510.0831212.0189.96410
EPXF-1012-091012918110.02510.0831212.0189.96410
EPXF-1012-1010121018110.02510.0831212.0189.96410
EPXF-1012-1210121218110.02510.0831212.0189.96410
EPXF-1012-1510121518110.02510.0831212.0189.96410
EPXF-1012-1710121718110.02510.0831212.0189.96410
EPXF-1214-041214420112.03212.1021414.01811.95712
EPXF-1214-051214520112.03212.1021414.01811.95712
EPXF-1214-071214720112.03212.1021414.01811.95712
EPXF-1214-091214920112.03212.1021414.01811.95712
EPXF-1214-1212141220112.03212.1021414.01811.95712
EPXF-1214-1512141520112.03212.1021414.01811.95712
EPXF-1214-1712141720112.03212.1021414.01811.95712
EPXF-1214-2012142020112.03212.1021414.01811.95712
EPXF-1416-1014161022114.03214.1021616.01813.95714
EPXF-1416-1214161222114.03214.1021616.01813.95714
EPXF-1416-1714161722114.03214.1021616.01813.95714
EPXF-1517-091517923115.03215.1021717.01814.95715
EPXF-1517-1215171223115.03215.1021717.01814.95715
EPXF-1517-1715171723115.03215.1021717.01814.95715
EPXF-1618-061618624116.03216.1021818.01815.95716
EPXF-1618-1216181224116.03216.1021818.01815.95716
EPXF-1618-1616181624116.03216.1021818.01815.95716
EPXF-1618-1716181724116.03216.1021818.01815.95716
EPXF-1618-2116182124116.03216.1021818.01815.95716
EPXF-1820-1218201226118.03218.1022020.02117.95718
EPXF-1820-1718201726118.03218.1022020.02117.95718
EPXF-1820-2218202226118.03218.1022020.02117.95718
EPXF-2023-11.5202311.5301.520.0420.1242323.02119.94820
EPXF-2023-15.5202315.5301.520.0420.1242323.02119.94820
EPXF-2023-16.5202316.5301.520.0420.1242323.02119.94820
EPXF-2023-21202321301.520.0420.1242323.02119.94820
EPXF-2026-2020262032320.06520.1952626.02119.94820
EPXF-2528-11.5252811.5351.525.0425.1242828.02124.94825
EPXF-2528-12252812351.525.0425.1242828.02124.94825
EPXF-2528-14.5252814.5351.525.0425.1242828.02124.94825
EPXF-2528-21252821351.525.0425.1242828.02124.94825
EPXF-2532-2525322538425.06525.1953232.02524.94825
EPXF-3034-1630341642230.0430.1243434.02529.94830
EPXF-3034-2030342042230.0430.1243434.02529.94830
EPXF-3034-2630342642230.0430.1243434.02529.94830
EPXF-3034-3730343742230.0430.1243434.02529.94830
EPXF-3236-1632361640232.0532.153636.02531.93832
EPXF-3236-2632362640232.0532.153636.02531.93832
EPXF-3539-1235391247235.0535.153939.02534.93835
EPXF-3539-1635391647235.0535.153939.02534.93835
EPXF-3539-2635392647235.0535.153939.02534.93835
EPXF-4044-2040442052240.0540.154444.02539.93840
EPXF-4044-3040443052240.0540.154444.02539.93840
EPXF-4044-4040444052240.0540.154444.02539.93840
EPXF-4550-1245501258245.0545.155050.02544.93845
EPXF-4550-2045502058245.0545.155050.02544.93845
EPXF-4550-5045505058245.0545.155050.02544.93845
EPXF-5055-2050552063250.0550.155555.0349.93850
EPXF-5055-3050553063250.0550.155555.0349.93850
EPXF-5055-5050555063250.0550.155555.0349.93850
EPXF-6065-5060655073260.0660.186565.0359.92660
EPXF-7075-5070755083270.0670.187575.0369.92670



材料性能测试标准单位EPX
颜色--黑色
密度ISO1183g /cm31.44
最大吸湿率,50%RHISO62%0.1
最大吸水率ISO62%0.5
对钢动摩擦系数ITSO25μ0.09-0.25
极限P.V值ITSO26N/mm2 x m/s1.40
弯曲模量ISO178MPa4800
弯曲强度ISO178MPa165
最大静载荷ITSO27MPa110
最大动载荷ITSO28MPa61
邵氏硬度ISO868D82
连续运行温度ITS029+250
短时运行温度ITS029+315
最低运行温度ITSO29-100
导热性ISO22007W/(m·K)0.55
线性热膨胀系数ISO11359K-1× 10-56
阻燃等级UL94ClassV0
体电阻率IEC60093Ω.cm

>108

面电阻率IEC60093Ω

>107


轴承PV值

EPX塑料轴承最大运行PV值为1.4N/mm2xm/s;由此决定轴承所承受的载荷与速度成反比,详细查阅图表EPX-1。


轴承的载荷、速度、温度

EPX塑料轴承可承受最大静载荷为110Mpa,在此载荷下轴承的最大压缩变形量参考图表EPX-2,轴承实际工作载荷略。小于110Mpa,载荷还受到运行速度以及温度的影响,速度越快(Vmax:1.5m/s)会导致摩擦温度上升,而温度上升(Tmax:250°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EPX-3。


轴承的摩擦系数

图表EPX-4表明EPX塑料轴承的摩擦系数在载荷一定时随着运行速度的增加而逐渐升高;图表EPX-5表明EPX塑料轴承在速度一定载荷在20Mpa以内摩擦系数会随着载荷的逐步增加而快速降低,而当载荷高于20Mpa时摩擦系数的变化却比较平缓。图表EPX-6表明EPX塑料轴承比较适合的轴表面粗糙度为Ra0.6~0.8um。



EPX干运行油脂
摩擦系数 μ0.09-0.250.090.040.04


磨损与轴材料

图表EPX-7和图表EPX-8表明EPX塑料轴承在不同轴材料上的运行磨损对比,在载荷2Mpa以下旋转运动时不锈钢轴和碳钢轴比较适合,而当载荷超过2Mpa时在硬化钢轴和碳轴上的运行效果较好。图表EPX-7表明EPX塑料轴承比较适合用于旋转运动;特别值得注意的是图表EPX-9表明EPX塑料轴承在常温23°C下的摩擦磨损性能并没有在高温150°C下优秀。


化学抗性

EPX塑料轴承具有极好的化学抗性,能抵抗浓度65%的强酸。


吸水性

EPX塑料轴承在标准大气压中的吸湿率为0.1%,浸泡在水中最高吸水率为0.5%;极低吸水率不会导致轴承发生性能和尺寸变化,非常适合用于潮湿环境。


抗UV性能

EPX塑料轴承长久暴露在紫外线下材料性能不会发生变化.


安装公差

EPX塑料轴承压装后公差

直径


[mm]

EPX

F10 [mm]
座孔

H7 [mm]


h9 [mm]
> 0~3+0.006+0.0460~+0.0100~-0.025
> 3~6+0.010+0.0580~+0.0120~-0.030
> 6~10+0.013+0.0710~+0.0150~-0.036
> 10~18+0.016+0.0860~+0.0180~-0.043
> 18~30+0.020+0.1040~+0.0210~-0.052
> 30~50+0.025+0.1250~+0.0250~-0.062
> 50~80+0.030+0.1500~+0.0300~-0.074
> 80~120+0.036+0.1760~+0.0350~-0.087
> 120~180+0.043~+0.2030~+0.0400~-0.100