Cold roll mill for steel strips, Carbon steel/ Stainless /Aluminum

Specifications Cold rolling mill

AGC system

PLC controlling

high quality with stable performance

competitive price with good service

Four Roll Single Rolling Mill   I. Suitable material parameters 1. Coil material: common carbon steel, cold rolled steel strips 2. Input steel strips: thickness 3-4mm, width 400mm 3. Output steel strips: thickness >=1.5mm, width 400mm 4. Inner diameter: Φ508mm 5. Max. weight: 3,000kg 6. Rolling force: P≤350T 7. Rolling speed: V≤100m/min 8. Recoiling tensioning force: T≤30KN   II. Components specifications 1. Loading trolley Loading trolley consists of the saddle, traverse moving trolley, cover, towline, rail, etc. The lifting movement of the saddle and the car's lateral move by the hydraulic cylinder drive. 1) Coil inner diameter: Φ508mm 2) Coil width: 400mm 3) Max. coil weight: 3,000kg     2. Decoiler Decoiler consists of the reel, mandrel, four seamless segment, hydraulic cylinder, base, DC motor, reducer, brake, etc 1) Structure: hydraulic four segment decoiler 2) Reel spec: Φ508×500mm 3) Reel expansion range: Φ480-510mm 4) Coil width: 400mm 5) Capacity: max 3,000kg 6) Thickness: 3-4mm 7) Motor: Z4-250-41, 110KW 8) Air brake for decoiling speed adjusting     3. Rolling mill Rolling mill mainly consists of the press down unit, machine base, working roll, backup roll, main power system, etc 1) Press down power: 11KW X 2, YZ model, 6 classes 2) High speed worm box and low speed worm box for power transmission 3) Machine base: 2 pcs of occlusive support. Sectional area 250×320mm2,ZG35 material 4) Work roll: Φ175×480mm, roll material 9Gr2Mo 5) Backup roll: Φ450×450mm, roll material 9Gr2Mo 6) Backup roll balance: Hydraulic 7) Roll changing: Hydraulic 8) Main power: Z4-315-42, DC315KW 9) Main reducer: ZLY400 10) Universal joint: SWC200     4. Discharging trolley Loading trolley consists of the saddle, traverse moving trolley, cover, towline, rail, etc. The lifting movement of the saddle and the car's lateral move by the hydraulic cylinder drive. 1) Coil inner diameter: Φ508mm 2) Coil width: 400mm 3) Max. coil weight: 3,000kg     5. Recoiler Recoiler consists of the reel, mandrel, four seamless segment, hydraulic cylinder, base, DC motor, reducer, etc 1) Structure: hydraulic four segment recoiler 2) Reel spec: Φ508×500mm 3) Reel expansion range: Φ480-510mm 4) Coil width: 400mm 5) Capacity: max 3,000kg 6) Motor: Z4-250-41, 110KW 7) Recoiling tensioning force: T≤30KN     6. Hydraulic system Hydraulic station has cooler, accumulator, node pressure gauge, spilled load device, relief valve, three filters and liquid level display. Supply the whole line Hydraulic power system.     7. Lubrication oil station For deceleration reducer, gear box, gear and bearing lubrication     8. Electronic control system Using British Eurotherm 590 Series two bridge four quadrant weak magnetic digital DC speed control system, simulate constant tension control method, the relay system adopts PLC programmable controller to achieve constant tension winding and speed tracking. Current, voltage, strip thickness, rolling force, rolling speed and other parameters can be automatically detection or indication.       We can make kinds of col rolling mill as per customer need. For example, single stand rolling mill, reversible rolling mill, 4-hi cold rolling mill, 5 stand rolling mill, etc. Please contact us for more information.