1. Brief Introduction

It is used for cold rolling Φ8mm from Φ17mm bright free oxygen copper rod of upward cast. Two groups workers produce 4000-6000 ton annually.

2. Main Process Data

(1) Inlet ingot dia:                            Φ17mm

 (2) Outlet rod dia:                            Φ8mm

  (3) Rolling passes:                             8

(4) Finished rolling speed:           1.56m/min

(5) Pore type:                     arc triangle-round hole system

(6) Elongation coefficient:                  1.2

3. Main parameters

  3.1 Rolling Mill 

    (1) Type:                                 Y Type 3-roller

(2) Nominal roller dia:                       255mm

(3) Y-upper transmission rolling stands:           4

   Y-lower transmission rolling stands:          4

(4) Adjacent stands transmission ratio:           1:20

(5) Main motor:     YR315M2-8     132kW         738r/min

  3.2Oil Lubrication System

(1) Max. flow:                              5m³/hr

(2) Pressure:                               0.8-3kgf/cm³

(3) Oil temperature:                         35℃-45℃

  3.3 Emulsion System

(1) Max. flow:                               86.6m³

(2) Pressure:                                0.8-3kgf/cm³

(3) Oil temperature:                          35℃-45℃

  3.4 Take-up Device

(1) Coiler dia:                             Φ1400/Φ700×800

(2) Rod dia:                                Φ8mm

(3) Speed:                                  1.05-1.52m/min

(4) Coil’s Weight (net weight):                   2-3T