Friction Tester / Four Ball Wear Testing Machine (MRS-10A)

Friction Tester / Four Ball Wear Testing Machine (MRS-10A)         Product Description The main purpose This machine in the form of sliding friction under the condition of high contact pressure to evaluate the bearing capacity of lubricant. Including maximum no card bit load PB,sintering load PD,composite wear value ZMZ three indicators,etc. This machine can do lubricant long wear resistance test, the determination of the coefficient of friction.   Applicable standards a. GB/T12583-98 lubricant extreme pressure performance measurement (four ball     machine method) b. GB3142-82 lubricant bearing capacity measurement method (four goals) c. SH/T0189-92 lubricant anti-wear performance measurement (four ball machine method) d. SH/T0202-92 extreme pressure grease performance measurement (four ball machine       method) e. SH/T0204-92 grease anti-wear performance measurement (four ball machine method)   The structure Four-ball tester consists of spindle drive system, the oil box with heater, determination of test, friction force sensor system, the hydraulic loading system, microcomputer control system, including the main parameter setting and control, alarm and other units) and other parts. They are all installed in the welding frame as the main body of the rack. Stand in the top right panel is testing machine control system, the upper left is the spindle drive system and oil box, friction pair, and a variety of sensing instruments, etc. Frame is the bottom left of the testing machine hydraulic oil cylinder, on the lower right is the toolkit. Testing machine hoisting tools on them. Base and cover on the door, open the door can be clearly see its internal structure, in order to debug and maintenance.   Technical parameters

Item name	Technical indicators
Test force range (stepless adjustable)	60N-10kN
The relative error value for test force	±1%
Long when the error value for test force	±1%F.S
Friction test range	0-300N
The friction test error	±3%
The spindle speed range (stepless adjustable)	200-2000r/min
Spindle speed error	±10 r/min
Friction pair temperature control	Room temperature-200℃
Error of temperature of friction pair	±2℃
Test time control	1 seconds - 99 hours
The spindle speed control range	1-9999999 revolutions
Dimensions	1160mm×750mm×1640mm
Net weight	About 400kg
Experiment with steel ball	φ12.7mm

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