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750mm 4 Continuous Rolling Mill
The 750mm 4-Continuous Rolling Mill is a high-performance production line designed for the cold rolling of steel coils. It consists of several key components, including a coil car, uncoiler, straightening clamp feeding device, cutting and welding system, looper, pinch rolls, tension roller group, pre-machine device, four continuous stands, roll machine, coiler, and supporting systems such as hydraulic, lubrication, and instrumentation. The equipment is fully automated and integrated, ensuring efficient and precise operation.
**Specifications:**
- **Model No.:** 750mm
- **Max Rolling Pressure:** 7000 kN
- **Wear Speed:** 18 m/min
- **Max Rolling Speed:** 360 m/min
- **Max Unwinding Speed:** 240 m/min
- **Max Coiling Speed:** 380 m/min
- **Max Unwinding Tension:** 25 kN
- **Max Winding Tension:** 55 kN
- **Volume Weight:** 12 T
- **Trademark:** MoRan
- **Transport Package:** Plastic Films, Carton, and Plywood Box
- **Specification:** SGS
- **Origin:** Hebei Langfang
- **HS Code:** 8455221000
**Product Description:**
This rolling mill is designed to process hot-rolled pickled coils with specifications such as Q195, Q235, SPHC, SPHD, SPHE, etc. The raw material thickness ranges from 2.5 mm to 4 mm, with a width of 400–680 mm, an inner diameter (ID) of 508 mm, and an outer diameter (OD) of 1800 mm. The volume weight of each coil is approximately 12 tons.
After processing, the finished product has a thickness range of 0.55–2 mm, with the same width and diameter specifications as the raw material.
**Main Technical Parameters:**
- **F1 ~ F4 Roll Size:** Work roll diameter of 230–205 mm × 750 mm
- **Roll Size:** 730–670 mm × 720 mm
- **Reel Diameter:** 510–490 mm (standard 508 mm)
- **Max Opening Degree (New Roll):** 15 mm
- **F1 ~ F4 Arch Column Section:** 50 cm × 40 cm = 2000 cm²
- **Work Roll Bending Force:** 175 kN
- **Pinch Roll Diameter (Straightener):** 300 mm
- **Tension Roll Diameter:** 800 mm
- **Rolling Line Elevation:** +900 mm
- **Rolling Line Adjustment Stroke:** 100 mm
- **Hydraulic Transmission System Pressure:** 10 MPa
- **Roll System Pressure:** 15 MPa
- **System Pressure:** 21 MPa
- **Process Flow:** 6000 L/min
- **F1 ~ F3 Flow Rate:** 4500 L/min
- **F4 Flow Rate:** 1500 L/min
**Main Motor Power:**
- **F1 ~ F4 Main Mill Motor:** Z560-4B, 900 kW, 525–1200 r/min, 660 V, 4 units
- **Machine Motor:** Z4-450-32408, 360–1200 r/min, 400 V, 1 unit
- **Motor:** Z4-315-31118 kW, 360–1200 r/min, 400 V, 1 unit
This advanced rolling mill is ideal for manufacturers looking to produce high-quality thin steel sheets efficiently and reliably. The machine is built to meet international standards and comes with comprehensive support systems for long-term performance and maintenance.
