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HC Six-high cold rolling mill

Features and applications

1. Suitable for mild steel, stainless steel,and special steel,especially for high precision wider and thin coils.
2. That hydraulic bending devices and middle rollers horizontal moving installations can fast regulate the roller’s gibbous degree to change the distribution of touching pressure between rollers in order to eliminate the harmful touching areas of rollers to aim to control the plate shape and gibbous degree.
3. Flat, stability,and controllable.It’s effective to improve thinner of strip edges and cracks with smaller working rollers to enhance pressure force and total pressure force of rolling routes. Type of working rollers is flat rollers which reduce the requirements of spare parts and consumption.
4. It is equipped with AGC system to get high precision, which is especially suitable for rolling high precision requirements of wider coils and thinner coils.

Components

Pay-off reel(loading car) → head straightening unit → entry tension reel(unloading car) → front device → six-roller mill → rear device → exit tension reel(unloading car) → (Belt wrapper)

 

Technical parameters


φ150
φ175
φ460
×450
φ150
φ175
φ500
×500
Input
thickness
1.0-2.5 1.0-2.5
Product
thickness
0.15-1.2 0.15-5
Strip
width
250-350 300-400
Transmission Working roll
Rolling
force
2800 3500
Pressdown
method
electric hydraulic electric hydraulic
Speed(m/s) 3.5 4-6.5 3.5 4-8
Rollling
material
common steel common steel

φ165
φ200
φ630
×650
φ165
φ250
φ680
×800
Input
thickness
1.0-3.5 1.0-3.5
Product
thickness
0.18-2.0 0.2-2.0
Strip
width
400-550 550-700
Transmission Working roll
Rolling
force
5000 5500
Pressdown
method
electric hydraulic electric hydraulic
Speed(m/s) 3.5 4-5 3.5 4-5
Rollling
material
stainless steel
common steel
stainless steel

φ170
φ300
φ800
×900
φ300
φ370
φ950
×1050
Input
thickness
2.0-4.0 2.0-4.0
Product
thickness
0.2-2.0 0.2-2.0
Strip
width
700-900 650-950
Transmission Working roll Working roll
Rolling
force
6500 10000
Pressdown
method
electric hydraulic hydraulic
Speed(m/s) 3.5 4-5 10
Rollling
material
stainless steel
common steel
common steel

φ330
φ370
φ1050
×1250
φ400
φ450
φ1250
×1450
Input
thickness
2.0-4.0 2.0-4.0
Product
thickness
0.2-2.0 0.2-2.0
Strip
width
700-1100 900-1250
Transmission Working roll
Rolling
force
12000 15000
Pressdown
method
hydraulic
Speed(m/s) 8-12 8-16
Rollling
material
common steel
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