Equipment Composition and Use
Pre-finishing mill type: cantilever mill, rack number: 4 stands.
Horizontal mill (2 stands), Vertical Looper (3 sets), vertical mill (2 stands), safety cover.
Layout and transmission mode: horizontal - vertical - horizontal; H-V-H-V, direct current (DC) motor individual drives.
Main Technical Performance Parameters of the Equipment
First mill input rolled piece specification: Φ28 ~ Φ31 mmFourth mill output rolled piece specification : Φ16 ~ Φ20 mm
The kinds of rolling steel: Carbon steel, high carbon steel, low alloy steel, welding steel, heading steel.
The rolling temperature: 800 ~ 1050℃
Maximum rolling strength: ~240 kN
Maximum rolling moment: ~ 6.2 kN · m
Center distance of roll: Φ255 mm ~ Φ291 mm
Adjustment quality of roll gap: ±18 mm
Mounted roller working pressure: 40 MPa
Unloading roller working pressure: 60 MPa
Roll cooling waterConsumption: 4x20 t/h
Hydraulic pressure: 0.6 MPa
Water inlet temperature:<30℃
Lubrication methodRolling mill, reducer adopt to thin oil lubricationOil pressure:
Lubrication point pressure 0.15 ~ 0.25 MPa
Total consumption: 400 l/min
Oiliness: Mobil 533
Fine filter: 25μ