Cone Roll Piercing Mill

Specifications Its roller is cone type.Its advantage is: 1.high quality and efficiency;

2.suit for all billets,esp. stainless and alloy steel.

  Horizontal cone type piercing mill has the following characteristics:   1.    Its roller is cone type,and roller diameter gradually becomes bigger from the direction of inlet to exit which is accordant with the increase of metal flow speed while piercing, thus it reduces the metal shearing force on the circumference and flaws of inside and outside the shell. It makes good surface,concentricity and even wall thickness of shell.It's suitable for all  kinds of metal piercing,especially for those hard deformed metal such as high-alloy steel and stainless steel;   2.    Large elongating with more than 4 times elongating coefficient and large diameter expansion of 30%. It helps to adopt minimum billet specifications and produce wider shell specifications;   3.    The two main roller are arranged left and right and guiding shoes up and down,and the machine cover can rotate by 90°,so it's quick to replace the rollers and guiding shoes and it can improve productivity;   4.It's easy to adopt down rolling process which is stable running;   5.It's more suitable to pierce hard-deformed metal such as stainless steel and alloy.   It stands for the advanced technology and equipment in piercing field.   Cone type piercing mill   Billet size: diameter240~400, lengh1500~4500 Crude pipe size: diameter250~440, thickness20~60, length3500~10000   Jan 18th, 2011, we have successfully complete the trial run in a manufacture of China.