2017天天拍天天看视频

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          JDB Performance parameters
              JDB Performance parameters
          TypeJDB-1JDB-2JDB-3JDB-4JDB-5
          Base materialCuZn24Al6CuSn6Zn6Pb3Steel CuSn6Zn6Pb3HT-250CuCr15
          Matrix HardnessHb230
             (Hb270)
          HB 90HB 80HB 210HB 60
          Friction Coefficient<0.16<0.15s<0.14<0.17<0.17
          Max.Temperature300℃350℃300℃400℃350℃
          Dynamic load limit100 N/mm260 N/mm270 N/mm260 N/mm2250 N/mm2
          lm/mim The limit load25 N/mm215 N/mm220 N/mm215 N/mm270 N/mm2
          Max. sliding speedDry 0.40 m/s oil 5 m/s2 m/s2 m/s0.5 m/s0.1 m/s
          Limiting PV value3.8 N/mm2·m/s0.5 N/mm2·m/s0.6 N/mm2·m/s0.8 N/mm2·m/s2.5 N/mm2·m/s


              JDB Wear performance
          Test pressure62N/mm224.5N/mm214.7N/mm2
          ProjectWear amountTimeWear amountTimeWear amount0.01 Time
          TypeLubrication(mm)(hrs)(mm)(hrs)(mm)(hrs)
          Copper SetsOil Lubrication0.098100.1251000.10100
          JDB-1Dry friction0.0751000.0151000.012100
          JDB-2Dry friction0.025300.0651000.025100
          JDB-3Dry friction0.03300.121000.015100
          JDB-4Dry friction0.03100.25200.011100
          JDB-5Dry friction0.0221000.131000.01100
          2017天天拍天天看视频

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