Mandrel and Ring Die for Copper and Brass Cold Rolling Tubes
Copper is pure and brass are copper alloys, compared with copper, brass has higher strength and hardness.
Material of mandrel and ring die of copper tube is bearing steel GCr15, it is also used to make mandrel and die set of brass. If the hardness is high, we suggest you choose H13, which is used to deal with hard material such as stainless steel.
Photos of Mandrel and Ring Die
Working Process of Copper and Brass Cold Rolling Tube Mandrel and Ring Dies
Main Processing Machine of Mandrel and Ring Die Producing
Finished Copper and Brass Pipe and Tube
l High precision: +/-0.05 ~ 0.08mm
l In general, one set of dies can produce 400 to 600 ton of copper and brass pipe and tube.
Question during Assembling Ring Dies and the Solution
Assemble and disassemble rolling dies from shafts are hard work, using die heating device to heat inside hole of dies, make the hole larger than normal size, and make it easy to assemble with roll shaft. Moreover, this device makes the roll shaft free from damage when assembling. Copper And Brass Machine factory