Hydraulic Four Ball Friction Tester, Brand Name : Yihua

We are offering computer controlled hydraulic four-ball friction tester
this machine is used to evaluate the bearing capacity of lubricant in high contact pressure.includes initial seizure load pb, weld load pd, average hertz load zmz three items.this machine also can do long time abrasion resistance tests, friction coefficients determination.
this product meets the standards of gbt12583-98, gb3142-82, sht0189-92, sht0202-92,sht0204-92
technical parameters
no. items technical parameters
1 test force range 60n-10kn
2 relative error of test force +-1%
3 indication error under keeping
+-1%f.s
4 friction test range 0-300n
5 relative error +-3%
6 spindle speed 200-2000rmin
7 relative error +-10 rmin
8 temperature range of friction pair room temperature-200
9 relative error +-2
10 range of test time 1s-99h
11 range of spindle speed 1-9999999
12 exterior dimension 1160mm*750mm*1640mm
13 weight 400kg
14 steel ball φ12.7mm.