The Common Problems Of Using Blind Rivets

The use of blind rivets should use a special riveting gun for riveting fixation operation. If you do not pay attention to it, the rivets will be biased or loose. According to the users, the blind rivet often appears to some problems such as pulling-through, burr, falling off of the nail head, loosening after riveting and rivet body splitting. As a professional fastener company, Xinchi fastener Company will tell you why the blind rivet will appear these problems.

The core rivet is pulled through.

This is because the core pull of the rivet is too large, the diameter of the core cap is small, and the material of the rivet body is soft, so the surface of the hole in the rivet body is too lubricated.

The core rivet appears burr.

This may be because the diameter of the nail core cap is small, the material of the riveting body is soft, the diameter of the workpiece drilling is too large, the size of the nozzle of the rivet gun is too large, and the distance between the fracture of the nail core and the head of the nail core is too large, exceeding the actual riveting thickness.

The head of the blind rivet falls off.

This may be caused by the large diameter of the nail core cap, the short riveting body and the mismatch between the riveting thickness.

The blind rivet body appears rivet cracking.

The hardness of the riveting body after annealing is too high or without heat treatment, the diameter of the nail core cap is too large, the content of harmful impurities in the riveting material is too high, or there is interlayer may cause the cracking of the riveting body.

The core rivet is loose after anchoring.

This is because the core tension is too low, the workpiece drilling is too large, the hardness of the riveting body is too high, and the design of the rivet clamping force (material selection) is improper.

There are still many problems caused by the careless operation of blind rivets. Here, by the way, Xinchi fastener Company will list the wrong operation when using core-pulling rivets, and we should pay attention to avoid them when operating.

1. The tension of the core pulling rivet is unstable, the breakpoint force is too close to the tension of the core itself or the heat treatment is not done well, resulting in a brittle core.
2. The core of the rivet has been injured before it is pulled.
3. The pressure of the rivet gun used for the core rivet did not reach the required standard, and the claw piece was worn. When the first use has caused damage, the second use will break the blind rivet directly from the injury.
4. The claw piece of the riveting gun used for core pulling rivets is not adjusted well and is not on the same plane, which has the effect of shearing the nail core.

Blind rivets, as an important major part of industrial equipment, do play a great role in production and life, but it is easily to appear a lot of problems in operation and use. I hope this article can help you to use blind rivets well and avoid the minefield operation in the article. Of course, we also have to learn to identify the quality of the core rivet.

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