Skew ring rolling for steel ball
Product Description
our skew rolling mill and pneumatic forging hammer(air hammer) to you, which is widely used to produce high quality Hot rolling (forged) grinding steel balls, which is mainly used in the ball mill for Mining ,cement plant, Power station,and other grinding industries, which is used to produce grinding balls Dia 20mm—200mm.
You are welcome to visit below link http://www.youtube.com/watch?v=D94Mk_f1kYE to see the working condition of skew rolling mill.
The casting ball Production shortcomings:
1. The essence of pig iron casting ball, adding a large quantity of (13-28%) chromium, to achieve the requirements of the milling ball.
2. The tissue of casting ball is loose, coarse grains, the relatively poor wear resistance, impact toughness(Typically 3-7J/cm2), the broken rate is at 3%.
3. High energy consumption, pollution, labor intensity, low labor productivity.
5. High cost of raw materials, high wage costs, the ball especially F50mm, the cost is higher.
Compared with casting ball, the rolling process of hot-rolled steel balls and the forging process of forged steel balls are new technology and the breakthrough in milling ball manufacturing technology, which is gradually substitute casting ball, the hot-rolled steel ball and forged steel ball have the following characteristics:
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