Four-ball Friction & Wear Testing Machine

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Four-ball Friction & Wear Testing Machine
Posting date : Mar 23, 2011
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85-
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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 un stuck condition, sintered load pd and comprehensive value of wearing during friction ZMZ. The machine can carry on abrasive wearing test toappraise friction and obtain the coefficient of friction of the material. Standards: This machine conforms to ATMS D2783 Standard Test Method for Measurement of Extreme-Pressure Properties of Lubricating Fluids (Four-Ball Method). Specification MR-S10G Max. test load 10KN The control mode of loading Lever loading Relative error of load capacity ±1% The rotating speed of the main spindle 200r/min~2000r/min Relative error of rotation rate ≤±10 r/min The range of heating temperature of the sample being tested Ambient temperature~250℃ Friction measuring range 1~200N Dimension (L*W*H) 1300*490*1220m The steel ball to be tested The steel ball to be tested four-ball friction testing machine. Nominal diameter 12.7mm

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