Significance and Use
This Fafnir Friction Oxidation Tester is used to evaluate the property of lubricating greases to protect
oscillating bearings from fretting wear. This method, used for
specification purposes, differentiates among greases allowing low,
medium, and high amounts of fretting wear under the prescribed test
conditions. The test has been used to predict the fretting
performance of greases in wheel bearings of passenger cars shipped
long distances.5 Test results do not necessarily correlate with
results from other types of service. It is the responsibility of
the user to determine whether test results correlate with other
types of service.
Keywords:
Fafnir test; false brinelling; fretting corrosion; fretting wear;
friction oxidation; grease; lubricating grease; oscillating wear
test; wear;ICS Number Code 75.100 (Lubricants, industrial oils and
related products)
I. Main technical features
1. This Fafnir Friction Oxidation Tester has two sets of standard thrust ball test bearings, inner diameter
16mm ± 0.025mm, outer diameter 35.69 ± 0.025mm;
2. The frequency converter controls the motor to improve the
control frequency accuracy and digital display of the operating
frequency;
3. High precision spring guide cylinder, 31.75mm ± 0.25mm long,
23.02mm ± 0.05mm outer diameter, 13.614mm ± 0.013mm inner diameter;
4. Oscillating bearing seat is equipped with fixing screws;
5. This Fafnir Friction Oxidation Tester is supplied with a set of standard fixtures;
6. Digital display time controller, when the test time reaches the
buzzer prompt.
II,Main technical parameters and index
| 1 | Power supply | AC(220±10%)V, 50Hz |
| 2 | Oscillating mode | Motor diring |
| 3 | Oscillating arc | 12º |
| 4 | Oscillating frequency | 30Hz |
| 5 | Bearing load | 2450N |
| 6 | Running time | 22 hours |
| 7 | Frequency control | Frequency converter |
| 8 | Total power | 300W |
| 9 | Applicable standard | SH/T 0716,ASTM D4170 |
