Economical Twisted Axis CNC Press Brake Machine with E21 Control System

The economical torsion axis CNC bending machine is a general CNC equipment used to bend various metal sheets. As long as different molds are equipped, different workpieces can be bent. The equipment has high reliability, can work stably and continuously, and has a long service life. It can be used for bending steel, cemented carbide, steel-bonded cemented carbide, zinc-based alloys, low-melting point alloys, aluminum bronze, polymer materials, high-speed steel, carbon tool steel, high-carbon steel, etc. This machine is widely used in shipbuilding, automobiles, vehicles, hardware, decoration, petroleum, electric power and other industries.

  • Adopt new processes, new materials, and new technologies
  • High reliability, stable and continuous operation, long service life
  • Good operability and maintainability, good safety performance, no pollution to the environment

1. The main features of the machine

  1. The equipment meets the user’s plate processing requirements, has stable and reliable performance, is easy to use and maintain, has beautiful appearance and excellent after-sales service.
  2. The E21 simple CNC system installed on the cantilever can easily control the Y-axis of the mechanical stopper and the X-axis of the backstop.
  3. The equipment has advanced design and manufacturing levels in the same industry in recent years, using new processes, new materials, and new technologies.
  4. Finite element software is used for force analysis to ensure that the equipment structure has sufficient static and dynamic stiffness and strength, and advanced technology is used to ensure that the system has good dynamic quality and the high precision of the entire machine.
  5. The equipment has high reliability, can work stably and continuously, and has a long service life.
  6. The equipment has good operability and maintainability, good safety performance, and does not pollute the environment or harm human health.

2. The main components and structure of the machine

2.1. E21 numerical control system

  • Produced by Nanjing Estun Company, suitable for various users.
  • Built-in pressure holding time and unloading delay setting functions, eliminating the need for time relays.
  • Parameter-key backup and restore functions.
  • Support for multi-step programming.

2.2. German OKDO IPM series

  • Axial and radial pressure compensation design.
  • Ultra-low noise design using high-strength cast iron.
  • Extremely low flow and pressure pulsation, with stable performance at low speed.

3. Main technical parameters

MODEL 40T/2500 63T/3200 125T/2500 125T/3200 160T/3200 500T/3200
Nominal pressure 400KN 630KN 1250KN 1250KN 1600KN 5000KN
Working table length 2500mm 3200mm 2500mm 3200mm 3200mm 3200mm
Throat depth 260mm 260mm 400mm 400mm 340mm 400mm
Slider stroke 120mm 120mm 160mm 160mm 200mm 200mm
Maximum opening height between work surface and slider 320mm 320mm 460mm 500mm 460mm 480mm
Maximum working pressure of hydraulic system 25 25 25 25 25 25
Main motor model Y180L-4 Y180L-4 Y180L-4 Y180L-4 Y180L-4 Y180L-4
Main motor power 5.5kw 5.5kw 7.5kw 7.5kw 11kw 22kw
Main motor speed 1470rpm 1470rpm 1470rpm 1470rpm 1470rpm 1470rpm
Slider adjustment motor model WPDS50-1:20-Y370W WPDS50-1:20-Y370W WPDS50-1:20-Y370W WPDS50-1:20-Y370W WPDS50-1:20-Y370W WPDS50-1:20-Y370W
Slider adjustment motor power 0.12kw 0.12kw 0.12kw 0.12kw 0.12kw 0.37kw
Slider adjustment motor speed 1480rpm 1480rpm 1480rpm 1480rpm 1480rpm 1480rpm
Rear gauge adjustment motor model NMRV040-5-550W NMRV040-5-550W NMRV040-5-550W NMRV040-5-550W NMRV040-5-550W NMRV040-5-550W
Rear gauge adjustment motor power 0.37kw 0.37kw 0.37kw 0.37kw 0.37kw 0.37kw
Rear gauge adjustment motor speed 1450rpm 1450rpm 1450rpm 1450rpm 1450rpm 1450rpm
Oil pump model NB4-G12F NB4-G12F NB4-G16F NB4-G16F NB4-G5F NB4-G50F
Oil pump flow 12ml/r 12ml/r 16ml/r 16ml/r 50ml/r 50ml/r
Oil pump pressure 31.5 31.5 31.5 31.5 31.5 31.5

4. Working environment and conditions of use

This machine is suitable for any material preparation workshop, and its conditions are:

  • Ambient temperature: -10℃ to +40℃ (the temperature of the fuel tank shall not be lower than +10℃)
  • Relative humidity: ≤80% (+25℃)
  • Power source: 3phase 380V±10% 50Hz (or customised)
  • This machine has no “three wastes” discharged, and the noise limit meets the requirements of JB9969-1999.

5. Installation, test, acceptance and after service

  1. Seller should inform the buyer to inspect the machine in our factory after the machine is finished.
  2. Seller should supply corresponding files and foundation drawings in 7 days after confirming the order.
  3. If buyer needs the installation, test by seller, then the charges in China will be taken by seller. Charges outside of China, such as tickets and hotels, should be taken by the buyer.