Causes of curling riveting effect of riveting machine

A riveting machine is a mechanical device that rivet things together with rivets. Riveting machine is mainly by rotating and pressure to complete the assembly. Common specifications are pneumatic, hydraulic and electric, single head and double head and so on. The main types is automatic riveting machine which is mainly for the riveting semitubular rivet with automatic cutting and efficiency and pneumatic or hydraulic riveting machine that is mainly used for solid rivets, hollow or larger rivets. Riveting machine can be customized for different objects to be suitable for different riveting effect like crimping effect and flowering effect. And the edge parts of crimping effect will be easier to crack. Following points are main reson foe cracking :

1. It epends on the rivet material, because the material like stainless steel is most likely to crack.

2. Hollow nail’s wall thickness is not uniform causing uneven force to crack the rivets.

3. Up and down mold’s center has offset causing crack, and you should adjust   debugger to fix it.

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