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MR-S10D Electrohydraulic Servo Four-ball Friction Testing Machine


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Brief Introduction:
The machine is used to evaluate the loading capacity of lubricants in the process of sliding friction on a contact
point under very high pressure. The above mentioned capacity including 3 datas to be tested: The maximum
load Pb under the unstuck condition, sintered load Pd and comprehensive value of wearing during friction ZMZ.


This machine conforms to ASTM D2783 Standard Test Method for Measurement of Extreme-Pressure Properties of
Lubricating Fluids (Four-Ball Method).




  • Max. test load : 10kn
  • Load range: 40 N~10000N
  • Friction measuring range: 0~300N
  • Rotating speed of the main spindle: 200 r/min~2000r/min
  • Relative error of roation rate: ±10r/min
  • The range of heating temperature: room temperature ~200℃
  • Temperature controlling range: ±2
  • Rotation setting range : 1~9999999
  • Dimension (L x W x H): 760×860×1600mm