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Replacement and Assembly of Connecting Rod Bolts for Diesel Generator

Update:2017-06-09 18:12Author:admin
Connecting Rod Bolts bear the role of high-intensity alternating load when the generator , it is easy to cause fatigue damage and fracture, resulting in serious accidents. Therefore, the material of connecting rod bolts generally use high
Connecting Rod Bolts bear the role of high-intensity alternating load when the generator, it is easy to cause fatigue damage and fracture, resulting in serious accidents. Therefore, the material of connecting rod bolts generally use high toughness of high quality carbon steel or alloy steel. After the connecting rod bolts are tightened, in order to prevent loosening of the operation of the diesel engine, are usually taken to prevent loose measures.
 
1. The construction of connecting rod bolts
 
The structure of the connecting rod bolts consists of the head, the stem and the stud, and the function of the connecting rod is to fasten the connecting rod headand the connecting rod pad.
 
Connecting Rod Bolts bear the role of high-intensity alternating load, it is easy to cause fatigue damage and fracture, resulting in serious accidents. Therefore, the material of connecting rod bolts generally use high toughness of high quality carbon steel or alloy steel. After the connecting rod bolts are tightened, in order to prevent loosening of the operation of the diesel engine, are usually taken to prevent loose measures. Common anti-loosening measures are iron wire fixing, locking piece, cotter pin or self-locking nut and copper locking.
 
2. The main failures and the reasons for Connecting Rod Bolts
 
Connecting rod bolts bear greater force when diesel engine in the course of running,so the bolt is easy to produce elongation, cracks, broken and thread slip wire and other failures. The reasons for the failure caused as follows: First, there is a defect in the quality of the bolt production; Second, the staff do not meet the technical requirements of the assembly, such as tightening torque is too large or too small, in the tightening the bolt slid down and the surface or screw hole is not cleared when the case of connecting rod bolts and so on.
 
3. Replacement and assembly of connecting rod bolts
 
If the connecting rod bolts have cracks, deformation, thread damage more than two buckles, or copper-plated copper bolt layer off, should be replaced with new bolts. When the flattened bolts or nuts are damaged, they must be replaced by pairs.  
 
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