MRS-10G leveraged four-ball friction tester

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The main purpose

It is mainly in the form of sliding friction point contact at very high pressure conditions used to assess the carrying capacity of the lubricant, including the largest non-card bite load P _B , Sintering load P _D When the anti-lubricant can also be long wear test, measure the friction, the friction coefficient calculated using special accessories, can also be simulated face wear and abrasion test materials; comprehensive wear value ZMZ and other three indicators.

Applicable Standards

GB / T 3142-82 Determination of carrying capacity lubricant (Four-ball method)

GB / T12583-98 Determination of carrying capacity lubricant (Four-ball method)

SH / T 0189-92 Determination of wear resistance of lubricants (Four-ball method)

SH / T 0202-92 Determination of grease extreme pressure properties (Four-ball method)

SH / T 0204-92 Determination of anti-wear properties of grease (Four-ball method)

Grease abrasion test method ASTM D2266 (Four-ball method)

ASTM D2783 Determination of lubricant extreme pressure properties (Four-ball method)

Test force range	40N ~ 10KN
Loading	Weight load lever
Test Force showed the relative error	40N ~ 400N: ± 5N 400N ~ 10KN: ± 1%
Friction measurement range	0~200N
Spindle speed range (stepless)	200 ~ 2000r / min
Spindle speed error	± 10r / min
Heating range	RT ~ 250 ℃
Temperature control accuracy	±2℃
Oil Box stroke	≥45mm
Spindle taper	1: 7
Specific standard ball diameter	Φ12.7mm
Time display and control range	1s ~ 9999min
The number of revolutions (cycles) display and control range	1~9999999
Computer Software features: computer test for the entire monitoring and control, real-time display of temperature - time curve, friction - time curve, friction coefficient - time curve with mrf-m measuring device can be realized friction wear scar of the computer screen, measurement. and records.