Description
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.
Standards
GB/T12583-98
Lubricant extreme pressure performance measurement (four ball machine method)
GB3142-82 Lubricant bearing capacity measurement method (four goals)
ASTM D 4172-82,SH/T0189-92
Lubricant anti-wear performance measurement (four ball machine method)
SH/T0202-92
Extreme pressure grease performance measurement (four ball machine method)
ASTM D2266-01(2015)
Standard Test Method for Wear Preventive Characteristic of Lubricating Grease(Four-Ball Method)
SH/T0204-92
Grease anti-wear performance measurement (four ball machine method)
Technical Parameters
No. |
Items |
Technical parameters |
1 |
Test force range |
60N-10KN |
2 |
Relative Error |
±1% |
3 |
Testing Range of Friction Force |
0-200N |
4 |
Spindle speed |
200~2000r/min |
5 |
Relative Error |
±10r/min step-less adjustment |
6 |
Temperature Range |
Room Temperature~200℃ |
7 |
Diameter of test steel ball |
12.7mm |
8 |
Lever Ratio |
1:20 |
9 |
LCD |
10〞 |
10 |
Supply power |
380VAC,50HZ |
11 |
power |
1.5KW |
12 |
Dimension(L*W*H) |
820mm×550 mm×1500 mm |