4 Roller Reversible Cold Rolling Mill Machinery For Steel Strip

1. Rolling conditions

a. Material: Stainless steel, Optimal steel, Low alloy steel belt

b. Strip specifications: ≤ 4.0mm, width≤420mm, coil inside diameter 508mm, the maximum weight 5000 kg

c. Finished specification: ≥0.50×420, coil inside diameter 508mm, maximum outside diameter φ1800mm

d. Rolling dynamic: p≤400T

e. Rolling speed: ≤150m/min

2. Equipment component

Main frame specifications: φ185/φ460×500 Four rollers reversible cold rolling mills.

Transmission mode: working roller transmission.

Press device:

a. press motor: motor, 15KW×2, 6 class

b. High-speed worm gear box: WS210, I=41, center distance A=210mm

c. Low-speed worm gear box: two envelope turbine worm, center distance A=315mm, Mn=14.5mm, I=40

d. press screw: S160×6, pressure speed: 0.058mm/s

e. pressure box use steel castings

frame system:

a. Two-piece closed frame, frame surface section 250×350, material: ZG35

b. Window board: overall processing, artificial brush shovel

Roll part:

a. Work roller diameter × width of roller surface: φ185×500, Material: 9Cr2Mo, Bearings: compound tiles, needle bearing

b. Support roller diameter× roller surface width: φ460×470mm, Material: 9Cr2Mo, Bearings: FC rolling machine special bearing

c. Lubrication way of bearing: Grease lubrication

d. Roller changed way: hydraulic change backup roller

Main drive components

a. Main motor model: Z4-315-32 series DC motor, power P=355KW, 1000/1600r/min, 440V, 864A

b. Main reducer ZLY450, I=6.3

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