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6300kN Direct Motor Drive Screw Press for Hot Forging

Description

The drive system is the most important part for a screw press. In LS Heavy Industry Engineering Co., Ltd., drive system of AC asynchronous motor based on direct torque control technology is successfully used in electric screw presses. It has more advantages than the drive system of permanent magnet AC servo motor based on vector control technology.

No impact to power grid
Direct control of torque
Quicker response of torque
Larger energy output capacity
Less temperature rise of motor
Lower cost of the press
Ease maintenance
Higher quality reliability

Dual-motors are used for one screw press. The blow – time curve was made through taking samples of slider displacement and speed at each 10 ms

The drive system is the most important part for a screw press. In LS Heavy Industry Engineering Co., Ltd., drive system of AC asynchronous motor based on direct torque control technology is successfully used in electric screw presses. It has more advantages than the drive system of permanent magnet AC servo motor based on vector control technology.


No impact to power grid

Direct control of torque

Quicker response of torque

Larger energy output capacity

Less temperature rise of motor

Lower cost of the press

Ease maintenance

Higher quality reliability

Dual-motors are used for one screw press. The blow – time curve was made through taking samples of slider displacement and speed at each 10 ms



Full line: Slider displacement

Dotted line: Slider speed

OA: Slider descent

AB: The release of energy during blow

BC: Acceleration of slider return

CD: Deceleration of slider return


Many experiments made in forging plants testify that the thickness of braking plates on two sides of the press reduce only 2 mm after 3,000,000 strokes. In the manufacture of air valve, the presses well perform after 15,000,000 strokes.


Tail-made design for customers

LS Heavy Industry Engineering Co., Ltd. helps customer develop software which fit to its forging process, and to analyze forging data for obtaining the optimum forging expertise, improving forged parts quality. The following table is from the forging process of blades made from titanium alloy.



Features:

Very low sound

High efficient transmission

High blow efficiency

Precision control of blow energy

Accurate guide

Excellent resistance to overload and unbalance load


Technical Data

6300 kN Screw Press, J58K-630

Data

Nominal force

kN

6300

Allowable load

kN

10000

Motion energy

kJ

80

Stroke of slider, max.

mm

450

Strokes velocity

strokes per minute

20

Open daylight

kW

720

Worktable size (L.R. x F.B.)

mm

820 x 900






Forging press, hot forging press, hot forging screw press, mechanical forging press,

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LS Heavy Industry Engineering Co., Ltd.

China Manufacturer of Open Die Forging Press, Railbound Manipulator, Radial Forging Machine, Ring Rolling Mill, Horizontal Extrusion Press, Direct Motor Drive Screw Press

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Contact

Web: www.ls-press.com
Tel: +86-512-5832 8328
Address:
LS Group High Tech Equipment Industrial Park, Lanzhou New Area, Lanzhou City, Gansu, China, Jiangsu, China,

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