3. How to hold the needle?

Issuing time:2020-12-01 15:38

Question: How to hold the needle


Answer: There are many ways to clamp the needle in the machine head. In the early days, the reed type clamp needle was used, that is, there are 3 uniformly divided bow-shaped reeds in the mandrel. When the bur handle is inserted into it, the reed is deformed under force and clamps the needle handle.


Nowadays, screw-type and pressing-type bur clamping methods are mostly used. There is an elastic three-part clamp spring in the clamp sleeve of this mobile phone. The clamp spring is in the shape of a hammer and has three axial grooves. Use a four-point wrench or Press the top spring to open or lock the clamp spring to hold the needle.




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