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FUJI BEARING LOCKNUTS
General Information
Test ConditionsÂ
Machine – NAS high speed screw loosening testerÂ
Sample size | M20 x 1.0 |
Frequency | 21Hz |
Excitation stroke | 11mm |
Impact stroke | 10mm |
Vibrating acceleration of excitation table     | 10G |
Test time | 60 minutes |
Direction of impact | Bolt axis direction |
Clamping torque | 53.9N.m (550kgf.cm) |
Test Results
Sample Nut | Excitation Time (Minutes) Â Â Â Â Â 10Â Â Â Â Â Â Â Â Â 20Â Â Â Â Â Â Â Â Â Â 30Â Â Â Â Â Â Â Â Â 40Â Â Â Â Â Â Â Â Â Â 50Â Â Â Â Â Â Â Â Â 60 | Test Results | |
Standard bearing nut with tongued washer | Looseness
     Δ – x damaged washer (11 minutes)        20o | Nut came off | |
FUJI Locknut |
| No effect |
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© 2024 IEC. All rights reserved.
Web Design by Atomic Digital Marketing
© 2024 IEC. All rights reserved.
Web Design by Atomic Digital Marketing