flat die thread rolling的意思|示意

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Flat die thread rolling is a kind of traditional thread rolling technology, which uses flat die to roll thread. Through the thread rolling of flat die, the original sharp corner and edges of the thread can be rolled into curved shape, and the surface roughness of thread can also be improved. This technology is widely used in the production of all kinds of screws.

Flat die thread rolling has the characteristics of good strength, high stability and low noise, so it can be applied in automobiles, motorcycles, toys and some electrical appliances. Flat die thread rolling has three working methods, namely punching, line rolling and curved rolling.

Punching: The advantage of punching is that it is easy to use and the die is simple. The disadvantage is that it is easy to produce inaccurate thread, and the surface roughness of thread is not uniform.

Line Rolling: The advantage of line rolling is that the thread pitch is high and the error is small. The disadvantage is that the speed of thread rolling is slow and the work efficiency is low.

Curved Rolling: The advantage of curved rolling is that the surface roughness of the thread is much higher than that of the line rolling, and the speed of thread rolling is also faster than that of the line rolling. The disadvantage is that it is difficult to use and the cost is much higher.

In conclusion, flat die thread rolling technology has the advantages of low noise, high stability and good strength, so it is widely used in the production of all kinds of screws. And its three working methods, punching, line rolling and curved rolling, all have their own advantages and disadvantages.