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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
