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The Life of a Screw

Posted by: Fymicohuang 2021-10-12 Comments Off on The Life of a Screw

Keywords:screw

The screw is called “industrial rice”, have you ever thought how to come to such a small screw? Today, let’s take a look at the past life of a screw. A screw usually goes through 5 steps: (1) drawing; (2) cold heading; 3. Rub silk; (4) Heat treatment; ⑤ Surface treatment. [drawing] is to pull the coils of steel wire out of the steel mill to make the wire rod of the right thickness, soft and hard, the process is like lanzhou noodles 🙂

 

[Cold heading] metal metamorphosis, a key step in the formation of screws. Through a series of molds, the metal step by step changes shape, gradually exposing the outline of the screw.

[Thread ]how do threads come from? Was it turned with a single knife on a lathe? Of course not! The screw is pressed on the “washboard” and rolled over, and then there is a thread on the body. With the thread, this is a real screw ah!

[Heat treatment] I remember an old-timer compared heat treatment to cooking rice, well, it is still very vivid. In fact, this is a “industrial rice” cooked process, soft to hard, all by taste.

[Surface treatment]: After the transformation, the fire of the furnace, and then it’s time to shine. Don’t worry! The finish is the final piece of grooming to make the screws look beautiful while also protecting them from the environment.

 

Buddha said, a flower a world, a leaf a bodhi. So is a screw.

 

Okay, so this is a screw’s life. Will you feel differently the next time you see a screw?

 

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