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Mechanical three-roll symmetrical plate bending machine
Working principle of mechanically symmetrical plate bending machine This mechanism form is a three-roller symmetrical type. The upper roller makes vertical lifting motion at the symmetrical position in the center of the two lower rollers, which is obtained through screw nut worm transmission, and the two lower rollers make rotary motion. The output gear of the reducer is meshed with the lower roller gear to provide torque for rolling the plate.

Figure 1.1 Working principle diagram of three-roll plate bending machine

1.1: The main drive means that the lower roller rotates clockwise or counterclockwise around D2 and D3 respectively. It is mainly driven by two lower rollers and consists of a main motor, a main reducer, a coupling, and an open gear. When working, the upper roller is driven by the friction between the sheets and materials, and also serves as a driven shaft to adjust the extruded workpiece. The auxiliary drive uses a separate drive system to control the rise or fall of the upper roller. It consists of an upper roller lifting motor, a speed reducer, a coupling, a worm wheel, a worm wheel, a screw nut and a screw rod. During work, the reducer drives the worm to rotate the nut inside the worm wheel to rotate, causing the screw rod and the upper roller bearing block to perform lifting and lowering movements, causing the upper roller to rise or fall. When rolling the plate, under the downward pressure of the upper roller, the two lower rollers rotate forward and backward to make the plate achieve the required curvature and form the expected circle or arc.

Jiangsu Longsheng Machine Tool Manufacturing Co., Ltd., a national high-tech enterprise, has been committed to designing, developing, producing and selling plate bending machines for nearly 20 years. Longsheng adheres to the advanced design concepts of Europe, learns the production processes of Sahinler in Spain and Davi in Italy, and combines the actual needs of customers to produce a plate rolling machine with reasonable structure and high quality.

The company has won many honorary awards and patents. It relies on technological innovation and honest operation, and serves mid-to-high-end customers at home and abroad with the production and business philosophy of "professional industry to create quality" and "starting with customer needs and ending with customer satisfaction".

Longsheng Machine Tool specializes in manufacturing the "Longsheng" brand series of plate bending machines and has obtained the certification of adopting international standard product logos. The main products include: CNC four-roll plate bending machine/production line, two-roll hydraulic automatic plate bending machine/production line, three-roll symmetrical/asymmetrical plate bending machine, upper roll universal plate bending machine, lower roll horizontal adjustment plate bending machine, rounding machine, leveling machine, profile bending machine and other non-standard plate bending machines.

Jiangsu Longsheng Machine Tool Manufacturing Co., Ltd.

 Jiangsu Longsheng Machine Tool Manufacturing Co., Ltd. is located in the economically prosperous Yangtze River Delta-Hai 'an, Jiangsu Province, facing Shanghai across the river; Xinchang Railway and Ningqi Railway meet here; Coastal Expressway and Haili Expressway run through the east, west, north and south; Nantong Port, Yangkou Port and Shanghai Port, the three ports gather together to compete for flow; Nantong Airport, Hongqiao Airport, and Pudong Airport have Yinyan shuttle, providing convenient transportation by road, rail, water and air.

 The company actively operates in accordance with the standards of modern enterprise systems. All employees are highly motivated and morale is high. They are determined to strive to open up domestic and foreign markets with a new look and a continuous innovative attitude and make the company bigger and stronger. The company has introduced modern operating mechanisms and management mechanisms into every work link of the enterprise, combined foreign MBA management models and China management models with the actual situation of the enterprise, and formulated a set of management methods that suit its own. It operates in accordance with the standards and models of modern enterprises in terms of enterprise planning, hardware construction, marketing, production management, administrative management, etc.

 In the course of enterprise development, Longsheng people have always believed that quality and service are integrity to customers; win-win concept is integrity to partners; a good working atmosphere and reasonable incentive system are integrity to employees; law-abiding operation is to provide employment opportunities for society and is also a reward and integrity to society. Longsheng people will keep pace with the times, continue to innovate and make progress in products and operations, adhere to the business purpose of "fair price, win by quality", and strive to build "Longsheng" into a regional area centered on the Yangtze River Delta region and radiating to the entire East China and even Southeast Asia.