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Solution for the failure of cold heading machine to manufacture non-standard screw mold
Jul 14, 2018

Solution for the failure of cold heading machine to manufacture non-standard screw mold

Non-standard screws made by cold heading machine, if the installed mold is bad, there will be a series of problems. Below we will introduce the relevant issues in detail:

a, hoe: one or two rushes are improperly adjusted, or the installation is too loose.

     b. Splitting angle: Material problem, or improper adjustment of a punch.

     c, poor installation and improper adjustment of the second flush.

     d. The non-standard screws are installed and the punch is bad.

     e, the head is not round: a die is not adjusted.

     f. Molding crack: The mold is broken or the R angle is improperly molded, so that the mold is scraped by the second impact.

     g, burr: a bad die forming, mainly caused by the gap between the punching bar and the die hole is too large or the punch is too short.

     h, head cracking: material problem, or a wrong use of the die (such as a punch with a hexagonal head of the head), and the reason for the lubricant.

The above is a series of questions about the manufacture of non-standard screws. If you have problems in the manufacturing process, you can solve them according to the problem.

Shaoxing Yofa Hardware Co.,Ltd

Address: Room B709,Modern Building,Shaoxing,Zhejiang,China 

Tel: +86-575-85225608

Mob: +8613325852220

Fax: +86-575-85228925

E-mail: sales@yofahardware.com


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