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Ring slot rivet machine replaces bolts and then sets socket wrench in place when tightening

Release time: 2019-09-26 11:37:52 Browse: 119

Bolts are an important part of ring groove rivet machines , so bolts should be installed when using ring groove rivet machines, but due to improper operation or insufficient understanding of product components, many people will appear during the bolt installation process. problem:


1. Bolts and nuts cannot be tightened


Reason: There is a gap between the workpieces, or the polished rod part of the bolt is exposed on the surface of the workpiece, and the thickness of the washer is insufficient;


Solution: Tighten the workpiece clearance, replace the bolt or thickened washer and tighten;


2. There is a gap between the bolt head and the nut and the workpiece.


Reason: not tightened, the length of the bolt part is longer, and the midpoint of the screw hole is not perpendicular to the surface of the workpiece, resulting in a single-sided gap;


Solution: Tighten, replace bolts or thick washers to flatten or tilt the workpiece, increase the diameter of the hole, increase the diameter of the bolt (no need to repair the bolt head or nut);


3. Bolt breaks or trips


Reason: The tightening torque is too large, exceeding the allowed tightening torque, the bolts and nuts, the threads are not aligned or the pitch does not meet the tightening requirements;


Solution: replace the bolts, control the tightening torque, replace the bolts and nuts, and then re-tighten;


Reason: the depth of the hole is not enough, the centerline of the hole is different from the centerline of the hole;


Solution: replace the squat drill bit, re-squat to the qualified depth, add bolts, and then squat again;


4. Angle distortion of hexagonal head of bolt


Reason: The wrench is incorrect or worn, the selected socket wrench is not in place, and the contact with the hex head is small;


Solution: Tighten the bolts, select the appropriate wrench, replace the bolts, and place the socket wrench in place when tightening;


5. Constant torque fails


Cause: If the tightening torque is too large or too small, the fixed force wrench cannot be used properly. After the force is applied, the position of the split pin is unacceptable and the torque changes;


Solution: According to the torque value specified in the drawing, it should be used according to relevant regulations. When setting the force, consider the position of the split pin or replace the washer.


6, self-locking nut failure


Reason: Too many self-locking nuts have been removed or the self-locking nut locking assembly is defective;


Solution: replace the nut;


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