The Main Structure and Principle of Electro-hydraulic Servo Press Brake

Electro-hydraulic Servo Press Brake, most clients will feel confused of this name. What is that? Actually it's a kind of totally CNC press brake machine.

This bending machine consists of machine rack frame, slider, work table, cylinders, hydraulic proportional servo system, position detection system, CNC system and electrical control system and other components. It's a kind of high precision, high efficiency sheet metal processing equipment.

The slider up and down movement is driven by the left and right two cylinders. Relying on the mold respectively on slider and work table, the sheet metal can be bent into different angles or cross-sectional shape. During the movement of the slider, two grating scales mounted on each side of the machine detect the position of the slider at both ends in real time.

On the one hand, comparing the two values, according to controlling the proportion of servo to correct bias timely, in order to maintain the slider parallel. On the other hand, comparing the value with CNC control system set point, so that can accurately locate at the end of stroke. This achieves the slider synchronization and precise positioning.

If you have high demands on precision and speed, do not hesitate just contact us. GLDMA will give best suggestion and offer suitable plate bending machine.

The metal plate bending machines can be chose from gldma:

WC67K CNC Hydraulic Sheet Metal Press Brake Bender Machine With DA41s System

WC67K Tandem CNC Hydraulic Press Brake-E200P

MB8 3+1 axis CNC Hydraulic Servo Press Brake Machine -DELEM DA52S

Servo proportional valve closed loop control

MB8 Automatic Sheet Metal Press Brake Bending Machine With DA56S System

MB8 3+1 Axis CNC Automatic Servo Press Brake -DA58T

MB8 CNC 8+1 Axis Hydraulic Press Brake Machine With DA66T System

The main difference for these machines depends on different control system, the main control systems are:

Chinese manufacturer:

ESTUN E21

ESTUN E200P

Dutch manufacturer:

Delem DA41S

Delem DA52s

Delem DA56s

Delem DA58T

Delem DA66t

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