Used 4-hi 3-tandem AGC CRM

for rolling of low carbon steel coil

AGC pressing

coil width: 550mm

machine is half made

main specs

2.1 material： hot rolling coil after pickling(after trimming or not)。

2.1.1  material type： low carbon steel、Silicon Steel (Silicon<1.8%)。

grade： Q195、Q215、Q235、610

2.1.2  thickness： 3.0～2.5mm

2.1.3  width： 400～550mm

2.1.4  coil ID： φ508mm

2.1.5  coil OD： φ1100～φ1600 mm

2.1.6  max coil weight：       8t 

2.2  finished product：

2.2.1  thickness： 0.5～1.2mm

2.2.2  width： 400～550mm

2.2.3  coil ID： φ508mm

2.2.4  coil OD：       φ1000～φ1600mm

2.2.5  max coil weight： 8t

2.3 line specs：

2.3.1 max rolling force：      5000 kN 

2.3.2 max rolling speed： 250 m/min  

2.3.4 max uncoiling speed： 　　 50 m/min

2.3.5 max recoiling speed： 250m/min

2.3.6  recoiling tension：                  10～40kN

2.4.7 working roll size：       φ185／φ170×650mm

2.3.8back up roll size：   　 φ550／φ520×620mm

2.3.10cone diameter：(expanding／shrink)：φ508／φ495mm

2.3.11stand column section：    320*420

2.3.12working roll min open mouth： 20mm

2.3.13working roll bending force(single roll single side)：    80kN

2.3.14common hydraulic system pressure：    10MPa

2.3.15 balance roll bending system pressure：   15MPa

2.3.16 thread speed：                    30 m/min

2.4.17  pressing system pressure： 25Mpa

main rolling motors：        N=600KW            total 3 units   

recoiling motor：  N=250kW　    1 unit

scope of supply:

1. mechanical devices:

a. coil entry car

b. uncoiler(hydrauic expanding)

c. leveler and pressing arm

d. coil end shearing machine

e. welding plat form

f. platform before rolling: including vertical roll center device, turning roll and base

g. cold rolling mill(AGC pressing)

g.1. rail base

g.2. rolling stands

g.3. pressing device

g.4. working rolls

g.5. working rolls bearing and bearing house

g.6. working roll bending system

g.7. back up rolls

g.8. back up rolls bearing and bearing house

g.9. back up roll balance system

g.10. rolls axis direction lock system

g.11. emulsion spray device

g.12. taking shaft holder

h. tension tables: 2 units

i. exit craft plat form

i.1. oil removing rolls

i.2. tension rolls

i.3. turning rolls

j. recoiler

k. run out car

l. roll exchange car: for changing working rolls and back up rolls

m. taking shaft device

n. composite redcuer

o. motor coupling

p. arm holding

2. fluid equipments

a. hydraulic system

b. lubrication system

c. emulsion system