Product Details
750 Four Stands Tandem Cold Rolling Mill Line for Carbon Steel
750 Four Stands tandem cold rolling mill continuously reduce steel
plate thickness at up to 280m/min from 2-4mm to 0.6-1.5mm.
The competition of the tandem mill is continuous one way from
uncoiling to coiling without stop, so, automatic shear and welding
machine, strip accumulator keep the continous process while
changing coil, double recoilers are good option to improve
production.
Layout process:
Hydraulic coil loading car, uncoiler, Five-roller straightening
machine, Welding and cutting, horizontal spiral accumulator, input
processing platform, four stands 4 roller rolling Mill, output
processing platform, Re coiler, coil discharging car.
Parameters:
Input coil strip material | Q195, Q235, 08AL |
Input coil strip gauge and width | 2.0-4.0mm x 650mm |
Output coil strip gauge and width | 0.6-1.2mm x 650mm |
Coil weight | Max 12T |
Number of rolling stands | Four |
Max rolling force of each stand | ≤700T |
Max exit rolling speed | 280m/min |
Coiler tension | ≤70KN |
Work roller dimensions | φ230×750 mm |
Backup roller dimensions | φ630×730 mm |
Hydraulic AGC system pressure | Max 21Mpa |
Hydraulic AGC cylinders | φ480mm x 70mm, 2pcs |
Main motors | 700KW x 4sets DC 1250rpm |
Coiler motor | 430KW DC 1400rpm |
DC motor control | Siemens 6RA80 |
Electric control system | Thickness gauge 4sets, tension meter 3sets, Siemens PLC, MCC cabinets MTS displacement sensor, etc. |
Tandem cold mill is high productivity, requiring:
- Huge power supply and consumption, high efficiency cold mill can
save power and control rolling process cost.
- Emulsified water for rolling process cooling needs a big pool with
filtering system to keep enough clean coolant.
- Electrc control cabinets and panels are high precision programming
and reaction system to ensure high speed precision rolling.
- Tension cell synchronize the rolling speed and tension between two
mills.
- Operator must be skilled to run the mill
- Thickness gauges are necessary to control sheet gauge.
- Thin oil lubricating system for gearboxes of mill and recoiler.
Two Coilers Option:
strip head comes to one coiler, belt wrapper holds the head and
wraps it onto coiling mandrel, the steel strip start coiling up on
the mandrel, speed up the coiling speed until maximum stable speed,
when the coil tail welding seam comes close to the coiler, slow
down the mill line, cut off the strip after tail welding seam.
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!