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CNC Tandem Press Brake

Country/Region china
Company Wuxi Smart CNC Equipment Group CO.,LTD
Categories CNC Press Brake
Telephone +86-510-83956818
ICP License Issued by the Chinese Ministry
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CNC Tandem Press Brake

CNC Tandem Press Brake

The series machines are used to press metal plate. With different dies, it could make various work-pieces, which are widely used in aero-plane , ship, auto, engineering machinery, electricity rod, transformer and other relative lines.
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2-WE67K Series CNC Electric-Hydraulic Proportion Press Brake In Tandem Model
The series machines are used to press metal plate. With different dies, it could make various work-pieces, which are widely used in aero-plane , ship, auto, engineering machinery, electricity rod, transformer and other relative lines.
The machine is driven by hydraulic pressure and controlled by CNC. It could attain quick down, slow-down of ram, pressure steady while working, quick returning and intermediate stop functions. Also, it could be driven as inch, single & continuous ways. It could be operated either single or double ways.
The frame is welded by steel plate of good rigidity and strength.
The ram run smoothly. Reposition precision, anti-eccentric load, work-pieces made precision are high because the use of circulation around servo control against CNC + electrical-hydraulic proportion valves linear encoder.
The press in air and the one of different angles are available. The crowning device which is built into the table and controlled by CNC attain the precise deflection compensation.
Main structure and performance of the machine
1. All parts of the machine use CAD/CAE/CAM software to design so as to ensure the strength and rigidity of each part.
2. This machine is hydraulic upper driven.
3. The machine is mainly comprised of machine frame, working table, ram, main oil cylinder. The perfect design and manufacturing technology can ensure the manufacturing and using precision of machine. The technological procedures of main parts are as follows (please see Fig.1,2,3 separately for the structure stress design analysis of uprights, working table, ram)
Steel plate to warehouse physical & chemical inspection steel plate ball blasting (dustproof) processing cutting through CNC flame cutting machine cutting and processing to each welding junction plane compound welding Air protecting welding Vibrating aging treatment processing through heavy-duty floor type boring and milling machine, heavy-duty gantry milling machine fabrication
4. The machine is the frame type structure, whose the installing faying surfaces of oil cylinders, lead rails, working table are processed at one time work-holding through the technological procedures of heavy duty floor type boring and milling machine so as to ensure the parallelism and perpendicularity for each installing faying surfaces.
5.The lead rails of machine uses the advanced self-lubrication material, which do not need the regular lubrication and care.
6.The moving and positioning of left, right oil cylinders are controlled by CNC system (Y1,Y2,Y3,Y4), which is composed by the electrical-hydraulic proportional valves, optical scales, CNC system.
Each axis can be programmed individually, and can be worked under programming so as to get the higher moving and positioning precision when pressing the workpiece.
7.The machine can work separately, also can work in tandem, whose middle is inspected by the linkage card.
8.The machine can work normally under the eccentric loading state because of using the electrical-hydraulic proportional synchronization which can enhance the anti-torque, anti-eccentric-loading capacity extremely. The deformation of working table and ram is very little when pressing because of the higher designing rigidity of working table, uprights, cross-beam and ram. So, the workpiece can get the perfect alignment and same pressing angle.
9.The mechanical deflection compensation mechanism controlled by V1, V2 axes
10.The machine has the motorized front feed mechanism, which is driven by variable-frequency motor.
11.2 sets of Motorized front feeding device driven by frequency conversion.
12.2 sets of back feeding device driven by frequency conversion.
13.Front and back supporting table, each 1 set, on which there are rollers and easy to transport the plate.
14.The machine has the side out-feeding mechanism so as to effect the out-feeding conveniently.
15.CNC system is the suspended operating station which can swing freely within the operating area, which also have the free movable foot/manual buttons.

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