Product Details
Four Roller 4 Hi Reversible Cold Rolling Mill
Automatic Reversible Cold Rolling Mill is different from tandem
continuous rolling mill,the metal strip forward or reverse run
through rolling mill to reduce strip thickness by number of rolling
passes, to-and-fro passes can be up to 5 or 6 until the metal
thickness reaches up to finished gauge.
We supply 450, 500, 650, 750 reversible cold rolling mills to
Jordan, USA, Nigeria, in domestic market, customer cases of
different models for reference.
Characters of Reverse Cold Mill:
- Metal coil strip materials can be carbon steel, stainless steel,
copper, bronze, aluminum, nickle, silver, titanium alloy, etc.
- The reversible rolling mill can be 2 high, 4 high, 6 high, 8 high,
12 high, 18hi, 20 high
- Reversible cold rolling requires to and fro rolling in stable,
uniform and precise status, the manufacturing precison of rolling
mill must be good.
- Thickness reducing control of reversible mill can be mechanic screw
down or hydraulic AGC screw down, required by application, speed
and precision of cold rolled metal
- Two coilers sit each side of the reversible rolling mill while
reducing thickness of metal coil strip, to provide coiling tension
and wind metal strip up.
- The drive motor of reversible mill rotate FWD or REV, automatically
controlled by motor controller and PLC
- Rolling Mill model can be 450, 550, 650, 750..., 1150, 1450,
valuable metal strip reversing rolling mill model usually is small,
steel strip reversible rolling mill popular in over 1m rolling
mill.
Features of 4Hi cold mill:
- suitable for rolling carbon steel, stainless steel, special steel,
copper, aluminum strips, etc
- two work rollers and two backup rollers, drive on work roller or on
backup roller
- press-down type: normal double grades worm gear & screw rod
press down or hydraulic AGC
- Hydrualic work roller bending: can adjust roller convex degree and
contact between rollers easily, thus output good flatness of CR
strips.
- Simple structure of less components, easy to be adjusted and
maintained.
- Hydraulic AGC 4Hi mill is high precision
- DC motors are controlled by 6RA80 series digital DC driver,the mill
line is controlled by PLC
4Hi Mill Specification:
Model | strip width | entry gauge | finished gauge | transmission | Rolling force | rolling speed(m/s) mechanic AGC |
Ф140/450x450 | 250-350 | 1-2 | 0.2-0.6 | work roll | 300T | 1-3 | 4-6 |
Ф175/450x450 | 250-350 | 2-3 | 0.3-1.0 | backup roll | 300T | 1.5-4 | 4-8 |
Ф140/500x500 | 300-400 | 1-2 | 0.2-0.6 | work roll | 400T | 1-3 | 4-6 |
Ф180/500x500 | 300-400 | 2-3 | 0.3-1.0 | backup roll | 400T | 1.5-4 | 4-8 |
Ф140/520x550 | 360-450 | 1-2 | 0.2-0.6 | work roll | 500T | 1-3 | 4-6 |
Ф180/520x550 | 360-450 | 2-3 | 0.3-1.0 | backup roll | 500T | 1.5-4 | 4-8 |
Ф165/600x650 | 450-580 | 1-2.5 | 0.2-0.6 | work roll | 600T | 1-3 | 4-6 |
Ф200/600x650 | 450-580 | 2-4 | 0.3-1.5 | backup roll | 600T | 1.5-4 | 4-8 |
Ф175/650x750 | 550-680 | 1-2.5 | 0.2-0.6 | work roll | 700T | 1-3 | 4-8 |
Ф220/650x750 | 550-680 | 2-4 | 0.3-1.5 | backup roll | 700T | 1.5-4 | 4-10 |
Ф180/750x900 | 600-800 | 1-2.75 | 0.2-0.6 | work roll | 800T | 1-3 | 4-8 |
Ф230/750x900 | 600-800 | 2-4 | 0.3-1.5 | backup roll | 800T | 1.5-4 | 4-10 |
Company Profile
We are metal coil sheet processing machine manufacturer and
supplier, we dedicate to supply of good quality machines and
provision of complete services.
We work in the coil processing machine field for over 20years, we
design and make each machine customized. From machine parts
materials selection, each part machining and treatment, whole
machine assembly and surface painting, we carefully note each
detail of whole production process to achieve good quality machine
result.
Rich Experiences:
Our people witness the developing process of sheet processing
machines and develop ourselves with market, thus able to supply
customers good machines at competitive prices.

Efficient Responses:
Investment of metallurgical equipment is a system engineering,
which requires comprehensive plan and successive execution. The
efficient responses of the equipment suppliers are very important.
We did well in this and cooperate with customers for long time.

Senses of Mission:
Nothing proceeds smoothly without any problem, the important is to
face and solve the problem. We put problem solution in priority,
never escape responsibilities. Supply of good machines creating
profit for customers is our mission, the most profitable equipment
is the best. Customer is the King, we must provide him the most
suitable machine to return his trust.

After-sale Services:
We can send engineers to customer plant to do machine installation
and commissioning; we provide hydraulic schematic drawing, electric
principle diagrams, mechanic spare parts drawings, civil works
drawing; We always listen and give consultation.
Welcome to inquire us! welcome to visit our plants!
