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Continuous acid pickling line
Specification of pre-form: Thickness H=1.5-5.5mm, Width B max=900mm
Method of heating: Heating of two sides in the acid tank with water boiler
Acid pickling speed of steel strips: 85m/min, acid pickled in two phases
This acid pickling line is equipped with acid fog purification system and sewage treatment system. Their main function is to remove oxide scales (remove rust) on the surface of steel strips to satisfy requirements of production quality
800mm AGC 4-roller continuous rolling mills
Specifications and characteristics
Specification of pre-form: Thickness H=1.5-5.5mm, Width B max=750mm
Specification of finished product: Thickness 0.4-3.0mm, Width B max=750mm
Rolling speed: V≤360m/min
Hydraulic screw-down system, control system for tolerance of thickness and shape of plates, AGC automatic control system are adopted in the machine set. Siemens 6RA70 series are adopted as electric control system, Siemens S7-400 series are adopted as PLC and relay control system and it is also equipped with hydraulic bending roller. Imported rolling oil with lubricating and thermally volatile performance is adopted for the emulsion system. Moreover, it is also equipped with oil skimmer, electromagnetic filter, flat-bed filter and cold/heat exchanger. Therefore, rolled steel strips perform good shape and small tolerance of thickness that they can satisfy quality requirements for various products.
850mm AGC 6-roller precision reversible cold rolling mill
Specifications and characteristics
Specification of pre-form: Thickness H=0.5-4.5mm, Width B max=780mm
Specification of finished product: Thickness 0.15-2.3mm, Width B max=780mm
Rolling speed: V≤360m/min
Hydraulic screw-down system, control system for tolerance of thickness and shape of plates, AGC automatic control system are adopted in the machine set. Siemens 6RA70 series are adopted as electric control system, Siemens S7-400 series are adopted as PLC and relay control system, it is also equipped with hydraulic bending roller. CPC floating roll opening and automatic centering are adopted. Imported rolling oil with lubricating and thermally volatile performance is adopted for the lubricating and cooling system. Moreover, it is also equipped with oil skimmer, electromagnetic filter, flat-bed filter and cold/heat exchanger. Therefore, rolled steel strips perform in good shape and small tolerance of thickness that they can satisfy quality requirements for various products.
800mm 2-roller temper rolling machines
Specifications and characteristics
Specification of pre-form: Thickness H=0.15-3.0mm, Width B max=750mm
Tempering elongation rate: 0.5-3%
Rolling speed: V≤240m/min
Hydraulic screw-down system and servo valve automatic adjustment system are adopted in the machine set. Siemens 6RA70 series are adopted as electric control system, Siemens S7-400 series are adopted as PLC and relay control system. The equipment has automatic testing and display functions for current, voltage, rolling pressure, thickness for strips, speed, tension and rolling crevice. Therefore, shape and tolerance for tempered steel strips can satisfy quality requirements for various products.
900mm AGC 4-roller temper rolling machines
Specifications and characteristics
Blank specification: 0.1-3.0mm (thickness), 800mm (width)
Flat extension rate: 0.5-25%
Rolling rate: V≤240m/min
The machine is equipped with AGC screw-down system, automatic adjustment device for rolling line and working roller is equipped with hydraulic anti-bending electrolyte servo system. S-shaped roller, anti-wrinkling roller and anti-jumping roller are installed at front and rear part of the machine. It has function of automatic stringing and it is convenient for operation. Computer-aided online control enables leveling processes to have constant elongation rate, constant rolling force, constant rolling crevice and constant tension. Therefore mechanical performance of steel strips is enhanced, hardness, strength and elasticity on the surface of steel strips is increased and steel strips can have better in-depth punching performance, better shape and surface finish.
900mm stretching and straightening machines
Specifications and characteristics
Specification: Thickness H=0.15-2.0mm, Width B max=800mm
Elongation rate: 0.5-3%
Rolling speed: V≤240m/min
CPC floating roll opening and automatic centering are adopted for roll opening machine. Siemens S7 are adopted as PLC and relay control cabinet for control of constant tension and elongation rate.
Ammonia-decomposing gas generator
Characteristics
1. Hydraulic ammonia is used as raw material in ammonia decomposing device, which is composed of processes of vaporization, decomposing, cooling and adsorption.
2. The system takes a leading position in the application field of bright heat treatment technology for metal materials in the mainland of China.
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