MR-H3A high – speed ring block wear testing machine is mainly used for the lubrication performance evaluation of various lubricating oils and greases. It is especially suitable for the evaluation of the anti-scratch performance of medium and high-grade automotive gear oils. It can also be used for the lubrication performance evaluation of solid lubricating materials. Abrasion test of various metal and non-metal materials to determine the friction and friction coefficient of various materials. This machine has a wide range of application prospects in the field of tribology, technical fields, petrochemical, machinery, energy and other industries.
More than 10% of the maximum test force , the relative error of the test force indication shall not exceed ± 1% , and the relative error of the test force indication shall not exceed 1%.
3
Test force maintains maximum allowable variation
± 1% of the maximum test force
4
Maximum friction (N)
300
5
Friction value accuracy
More than 10% of the maximum friction force , the relative error of the frictional force indication does not exceed ± 3% , and the relative error of the indication repeatability does not exceed 3%.
6
Spindle speed range (r/min)
5~4000
7
Spindle speed error ( r/min )
Above 100r/min , the spindle speed error does notexceed ± 10
Below 10 0r/min , the spindle speed error does notexceed ± 1
8
Heater operating temperature range (°C)
Room temperature ~ 100
9
Temperature control accuracy (°C)
±2
10
Spindle speed display and control range
1~9999999
11
Time display and control range ( s or min )
1~9999
12
Test machine dimensions (length × width × height) ( mm)
710 × 840 × 1690
13
Test machine net weight ( kg)
About 500
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