Microcomputer - controlled Four - ball Friction Testing Machine
Applicable Standards：
When conducting tests, the microcomputer - controlled four - ball friction testing machine needs to comply with the following relevant national or international standards: GB/T 12583 - 98: Method for Determination of the Extreme - Pressure Properties of Lubricants (Four - ball Machine Method). GB 3142 - 82: Method for Determination of the Load - Carrying Capacity of Lubricants (Four - ball Method). SH/T 0189 - 92: Method for Determination of the Anti - wear Properties of Lubricating Oils (Four - ball Machine Method). SH/T 0202 - 92: Method for Determination of the Extreme - Pressure Properties of Greases (Four - ball Machine Method). SH/T 0204 - 92: Method for Determination of the Anti - wear Properties of Greases (Four - ball Machine Method). These standards specify the requirements for the test methods, test conditions, data processing, etc. of the four - ball friction testing machine to ensure the accuracy and comparability of test results.
Technical Parameters：
Test force range (infinitely adjustable)： 60N~10kN
Relative error of test force： ±1%
Test force long time holding error： ±1%F.S
Friction force test range： 0~300N
Friction force test error： ±3%
Spindle rotation speed range (infinitely adjustable)： 200~2000r/min
Spindle rotation speed error： ±5 r/min
Temperature control range of the friction side Room temperature~：150°C
Temperature control error of the friction side： ±2○C Test time control range 1sec~999hours Test time control range 1~9999999999rpm Test steel ball φ12.7mm Overall dimension 100*870*1700 (Test ball Temperature control error ±2○C
Test time control range： 1sec~999hours
Spindle speed control range： 1~99999999 rpm
Test steel ball： φ12.7mm
Overall dimensions： 1200*870*1700 (mm)
Weight：800kg
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