Four magic weapons to prevent bolt breakage

Bolts mainly play a role in the connection of mechanical equipment, which will directly affect the performance of mechanical equipment. Therefore, we must pay attention to daily maintenance when using bolts. The common failure of bolts is fracture. Then we aim at the failure of bolts. If it happens, how to take preventive measures? China Standard Parts Network tells everyone about the four magic weapons to prevent bolt fracture.

1. Each time you run 12000km for secondary maintenance, you should disassemble the engine oil pan and check the use of the engine bearings. If you find that the gap between individual bearings is too large, you should replace them. At the same time, you should replace the connecting rod bolts. If you find that the engine is not running smoothly or there is abnormal noise during normal operation, you should stop and check in time. (Guide: Frequently Asked Questions During Fastener Maintenance)

2. The newly replaced connecting rod bolts should be inspected during each maintenance, and attention should be paid to whether there are cracks or dents on the head of the bolt, the guide part, and the thread parts, and whether the tooth shape and pitch of the thread are abnormal or abnormal. Should be resolutely not used.

3. When assembling the connecting rod cover, use a torque wrench to tighten it according to the specified standards to prevent excessive or small torque.

4. Use connecting rod bolts produced by the supporting factory.

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