Why can't the thread of riveting screw be wiped to the end?

When we produce screws, especially when grinding teeth, there are various reasons such as technical problems, which make it impossible to grind the threads to the end.

The screw thread can't be screwed to the end, mainly because the whole screw doesn't have all teeth, and there are threads at the top or tail.

So what is the reason why the thread teeth are not worn? Next, a brief analysis. Analysis from manufacturing grinding technology.

The reason for this is the following：

1: The tooth plate is installed low. That is to say, when assembling the thread rolling tooth plate, the assembly is wrong and the position of the tooth plate is too low. So you can't rub your teeth on the line.

2. The chamfer of the tooth plate is much more. The chamfer of this tooth plate should also be appropriate, not too much and not too little.

3. Time is fast, which mainly means that when you grind your teeth, you grind your teeth too fast. As a result, the threads of some screws cannot be completely rubbed.

4. The pusher is higher than the dental plate, which is also a problem when the tooth grinder assembles the dental plate.

Of course, the thread is not completely wiped, and the reasons for not wiping it to the end are definitely not these. There are many other reasons. The above four items are just some of the main reasons why Dongguan Luo Sheng saw the manufacturer's introduction. More reasons need to learn more teeth rubbing skills and summarize more teeth rubbing experience in peacetime. More familiar with thread rubbing process. Only in this way can we find out more reasons and correct them through these reasons. At this point, the twisted wire must pass through the stop gauge.