Technological parameters of 1450mm 12-roller rever

1.Application of machine group It is used to manufacture cold-rolling galvanization base plate,tin coating base plate and other precise cold-rolling material,430 stainless steel and etc. 2.Specifications and parameters of machine group 2.1Form of rolling mill of main technological parameters of the main mill: 12-roller single-machine full-hydraulic reversible cold-rolling machine Size of the working roller: Φ100 Φ120×1450mm Material: Cr12MnVCo High-speed steel: 9Cr2Mo Size of middle roller: Φ215 Φ225×1450mm Material: 9Cr2Mo Backing bearing roller: (roller diameter×quantity/each)Φ406.4×6×4,Φ406.4×5×2 Drive motor of main mill: Power:2000Kw,Rated voltage:660Vdc, Rated revolation:350 900 rpm Maximum rolling pressure:9000KN Rolling speed: ≤600m/min Precision of speed: Stabilized state:±0.1% Maximum acceleration: 0.4m/s2 Maximum deceleration for accident:1.5m/s2 Deceleration for fast stop:1.0m/s2 Deceleration for normal stop:0.2m/s2 Deceleration ratio: For low speed 1.818:1,For high speed 1.066:1 2.2 Main technological parameters of left/right coiling machines: Tension of the coiling machine: ≤250KN Tension precision: Static state: ±3%; Dynamic state:±5% Drum of coiling machine:Φ510mm Driver motor of coiling machine Power:1500KW Rated voltage:660Vdc Rated revolution:350 1000rpm Speed ratio of reducer: For low speed:5.79:1 For high speed:3.01415:1 2.3 Decoiling machine Decoiling tension: 60KN Decoiling speed:3m/s Drum diameter: Φ585 Φ610m Drum of decoiling machine with external support Motor of decoiling machine:355KW Pressure of hydraulic system:8MPa Speed ratio of decoiling machine: Seat for storing steel tape of the decoiling machine 2.4 Working mode of machine group:coiling and reversible rolling 2.5Precision of stopping the machine:≤30mm 2.6 Technology lubrication: Emulsification liquid system