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1.Hot rolling seamless pipe mill
Typical production flow : ACCU-roll mill, ASSEL mill, MPM tandem rolling mill.
2. Piercing mill
Type: According to the piercing mill type and deform character, consist of pressure pushing piercing mill and cross piercing, and the cross piercing has barrel roller perforating machine, cone roller perforating machine, guide pate perforating machine and three-roller perforating machine, at present, the widely application are barrel roller and cone roller.
Perforating machine scope:
Diameter scope:Φ40-250 barrel roll perforating machine.
Diameter scope: Φ50-400 horizontal and vertical cone perforating machine.
Pushing billet equipped with pneumatic and hydraulic.
The centering roller equipped with 5 teeth wheel, four teeth wheel, connecting rod, sliding rod and arc plate, the drive can use pneumatic or hydraulic.
The carriage equipped with signal locking and double locking, the drive can use drum-type or chain-drum.
3.Hot roll mill
Type: there are automatic rolling machine, continous rolling machine, Accr-roll machine, Assel mill, push bench mill and squeeze mill.
Rolling size range:
Accu roll mill can produce pierced billet suit to Φ 70-280, the core rod consists of MPM online cooling and MPM short circle cooling.
Assel rolling mill can produce the pierced billet Φ 70-280,the core rod consists of MPM short circle cooling , full floating big circle cooling and half floating big circle cooling.
Min-MPM five stand continous rolling mill can produce Φ 70-139, the core rod consist of MPM online cooling and MPM short circle cooling.
4.Reducing mill
Type: the reducing mill is continous multi stands non core rod longitudinal roll, it consists of 2-roller reducing mill and 3-roller reducing mill.
2-roller reducing mill can produce Φ 70-168 , Φ 30-90 , Φ 57-140 .
3-roller reducing mill can produce Φ 60-130 , Φ 76-159 , Φ 114-180 , Φ 114-273 .
5.Straightener
Consist of eight stands straightener and five stands straightener.
Range: Φ 20-219 , Φ 60-340 .