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Fast free forging hydraulic unit

Zhejiang Fengcheng Intelligent Technology Co., Ltd. is a state-level high-tech enterprise specializing in the development of new products integrating mechanics, electricity and hydraulics. The company has a group of senior and middle-level technical personnel who have used, designed and manufactured forging equipment for many years and have rich experience. The company, Zhejiang University, Shanghai Jiaotong University, and Shanghai Jiaotong University have jointly established a forging technology R&D center and a forging equipment R&D center.


The company's leading fast free forging hydraulic unit models are 6.3MN~125MN, and the products are aimed at the domestic high-end market and have the contemporary international advanced level. It adopts two structure types: integral frame, cylinder-moving type and pre-stressed split frame, push-down type, press forging size control accuracy ±1mm, fast forging frequency 80-120 times/min, hydraulic press and operation can be realized under computer control Automatic production of machines.


The main body of the hydraulic press adopts modern design and analysis methods, and uses finite element analysis and numerical simulation to simulate and analyze the structure of the main body. The hydraulic system adopts multi-pump volume + servo proportional control mode. The core components adopt German Rexroth products (main pump, forged valve), and other valves adopt Italian Athos products. The electrical control of the unit consists of Siemens S7-1500 series PLC, industrial control computer and Ethernet to form an upper-level monitoring operation mode, and forms a fieldbus distributed control system through PROFINET, thereby providing a basis for the implementation of the production process execution system (MES) for the enterprise.


The company adheres to the purpose of equipment for process service, and uses fine manufacturing and processing as a means to produce fast forging hydraulic units with first-class technology, reliable performance, reasonable structure, and excellence.


Main technical parameters of typical models

Serial numberProjectUnitParameter
1

Nominal pressure of press

MN

10

63/40/23

125/90/35

2

Structure type


Integral frame cylinder type

Prestressed frame double column push-down type

Prestressed frame double column push-down type

3

Maximum headroom

mm

2350

5200

7500

4

Maximum working stroke

mm

1000

2800

3600

5

Fixed work stress

MPa

31.5

35

35

6

Equipment height ±0 above ground


                ±0 below ground


mm

7500

2100

14200

5500

17000

6500

7

Forging control accuracy

mm

±1 

±1 

±1 

8

Fast forging frequency

次/分

110

85

80

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