Lead bush cold forged machine

The Lead bush cold forged machine applies to manufacturing the Lead bush by cold forging method for automotive battery.

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Cold forged Lead bush machine

Advantages of cold pressing lead terminals:

It belongs to the high-end lead parts products, the terminal is with anti-rotation design, the terminals are bright, with high compactness, can effectively prevent the terminal from acid climbing, completely eliminate the internal bubbles of the terminals. The finished terminals pass the baking testing, air hole corrosion testing, torsion testing, compactness testing, which are up to the qualified standards, the product quality is in the international leading level.

The lead terminal adopts the way of cold pressing, which solves the defects of the terminal such as crack, internal air hole, sand hole, etc., greatly eliminates the problem of acid crawling and terminal corrosion, and prolongs the service life of the battery.

Process for Making the Cold Forging Lead part:

Lead part made by Gravity casting → Cold forging  → Edge Trimming → Groove reversing 


The cold pressing process flow is 4-step operation. They can work alone, not affected by the efficiency link of the other machine. The automatic lead parts casting machine is fully automatic, do not need a person to watch the operation; the cold pressing machine, trimming machine and grooving machine needs operator for each machine. Operator quantity might be increased to match the production due to different products and different operation efficiency. The rolling process is required if the user needs the inverted groove structure.



The automatic lead parts casting machine will make the rough lead parts; the operator will put the rough lead parts into the cold pressing mold inside the cold pressing machine, run the machine for single pressing; then use the trimming machine to trim the cold pressing small parts. Finally, use the grooving machine to make the groove for the lead parts.   

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