E21 Hydraulic Torsion Bar Press Brake

Hydraulic Torsion Bar Press Brake E21 Controller

Unilateral and bidirectional positioning which eliminates spindle clearance effectively

40 programs storage space,each program has 25 step.



Product Item: E21 Hydraulic Torsion Bar Press Brake

The hydraulic press brake is used to bend a variety of metal plates, including stainless steel plates, carbon steel plates, copper plates, aluminum plates, and aluminum alloy plates. With an exceptional strength and low cost, this press brake is widely used for the production of kitchenware, bathroom accessories, advertisement boards, light-fixtures and hardware, electric equipment and other metal manufacturing applications.


1.Main Features

1.  The whole EU streamlined design, heat treatment rack, high rigidity worktable, optional mechanical crowning device, to achieve precision bending.

2.  Hydraulic synchronous control and Estun NC programmable logic controller ensure accurate repeatability and ease use.

3.  Integrated hydraulic system (Bosch Rexroth Germany) allows automatically switch to slow bends in a quick way.

4.  X axis and Y axis realize accurate positioning function by frequency converter through NC E21 system programming control.

5.  Cutting-edge frequency response hydraulic control technology, more stable machine tools, more reliable operation.

6.  The best ratio of parameters, optimal core configuration ensure stable performance, more convenient operation.

7.  WC67K standard single-axis back gauge system and single-axis bending angle system, you can choose to add the V-axis crowning function, and select the appropriate mold to bend complex shape workpieces easily.

2.Main Configuration:

  Estun E21 NC control system

  Y-axis and X-axis system control adjustment

  Delta frequency converter controls the positioning of X axis and Y axis

  Using HIWIN ball screw and light bar to ensure the accuracy of 0.05mm.

  Front holder support

  Germany Bosch Rexroth hydraulic valve block

  Germany EMB oil tube connector

  Germany Siemens main motor

  France Schneider Electric

  Hydraulic and electrical overload protection

● Top and bottom dies (86 °, R0.6mm, material: 42CrMo)

3.Safety Standard:

1.EN 12622:2009 + A1:2013                       2.EN ISO 12100:2010              3.EN 60204-1:2006+A1:2009

  Front finger protection (safety light curtain)

  South Korea KACON foot switch (Safety grade 4)

  Rear metal safetyguard and CE standard

  Safety relay monitors foot switch, safety protection

  Safety standards (2006/42 / EC):

4. Estun E21 NC Control System:hydraulic press brake

  Backgauge control

  Control the common motor or inverter

  Intelligent positioning

  Holding pressure unloading time setting

  Workpiece counting

  40 programs stored, 25 steps per program

  Unilateral positioning

  Concession function

  One-key backup / restore

  mm / inch

Chinese / English

5.E21 Press Brake Technical Parameters:

Model

WC67K

  Nominal 

pressure

(KN)

  Length of

  table(mm)

 Distance between 

housings (mm)

  Throat depth
(mm)
  Stroke travel
   (mm/min-1)
  Open height
(mm)

  Main 

  motor

(kw)
  Overall Dimension
(L×W×H mm)
30T/1600 300 1600 1250 200 80 320 3 1650×950×1650
40T/2200 400 2200 1775 220 120/10 320 4 2300×1500×2000
40T/2500 400 2500 1975 220 120/10 320 4 2600×1500×2000
63T/2500 630 2500 2035 260 120/10 370 5.5 2600×1600×2300
63T/3200 630 3200 2535 260 120/10 370 5.5 3300×1600×2300
80T/3200 800 3200 2540 320 120/10 380 7.5 3300×1700×2300
80T/4000 800 4000 3240 320 120/10 380 7.5 4100×1700×2300
100T/3200 1000 3200 2560 320 120/10 380 7.5 3300×1800×2400
100T/4000 1000 4000 3160 320 120/10 380 7.5 4100×1800×2400
125T/3200 1250 3200 2600 320 120/10 380 7.5 3200×1750×2520
125T/4000 1250 4000 3100 320 120/10 380 7.5 4000×1750×2520
160T/3200 1600 3200 2550 350 180/6 470 11 3300×1600×2600
160T/4000 1600 4000 3250 350 180/6 470 11 4100×2000×2600
160T/6000 1600 6000 4740 350 180/6 470 11 6100×2000×2600
200T/3200 2000 2000 2540 350 250/5 480 15 3300×2100×2800
200T/4000 2000 2000 3140 350 250/5 480 15 4100×2100×2900
200T/5000 2000 2000 3940 350 250/5 480 15 5100×2100×3000
250T/4000 2500 2500 3120 400 250/4 540 18.5 4100×2200×3500
250T/5000 2500 2500 3920 400 250/4 540 18.5 5100×2200×3500
250T/6000 3000 3000 4720 400 250/4 540 18.5 6100×2200×3500
300T/5000 3000 3000 3910 400 250/3 560 22 5100×2600×4000
300T/6000 3000 3000 4710 400 250/3 560 22 6100×2600×4000
300T/7000 3000 3000 5620 400 250/3 560 22 7100×2600×4400
320T/7000 3200 3200 5620 400 250/2.5 560 22 7100×2600×4400
350T/6000 3500 3500 5100 400 250/2.5 560 30 6100×2600×4200
350T/7000 3500 3500 5620 400 250/2.5 560 30 7100×2600×4500
400T/4000 4000 4000 3100 400 300/2.5 600 30 4100×2700×3800
400T/6000 4000 4000 4880 400 350/2.5 620 30 6100×2800×4200
500T/5000 5000 5000 4100 400 350/2.5 630 37 5100×3000×4400
500T/6000 5000 5000 4820 400 350/2.5 630 37 6100×3000×4700
500T/7000 5000 5000 5620 400 350/2.5 630 37 7100×3000×4900
600T/6000 6000 6000 4820 400 350/2.5 630 45 6100×2965×4700
600T/7000 6000 7000 5620 400 350/2.5 630 45 7100×2965×4900

6. Standard/Optional Configuration List:

No Accessory Name Model / Manufacturer
Configuration
1 CNC System
■E21  NC System Estun
Standard
2 Electrics
Germany Schneider Electric / Travel switch & Limit switch
3 Main Motor
Siemens Motor
4

Back gauge, synchronous belt,

synchronous wheel

Taiwan, China

positioning control / Guaranteed precision

5 Frequency Converter

JRACDRIVE 

positioning controlGuaranteed precision

6 Pedal Switch
South Korea KACON
7 Backgauge
Ball screw linear guide rail-Taiwan HIWIN
8 Hydraulic system
Bosch Rexroth-Germany
9 Oil Pump
SUNNY-USA
10 Sealing Ring
PARKER-America
11 Oil Tube Connector
Casing connector
12 Front Safety Guard
Produced by DURMA CNC
13 Back Safety Guard
Produced by DURMA CNC
14 Die
One set of standard dies
15 Clamping
General clamping tools
16 Crowning Mode
Hydraulic crowning
Optional
17 Crowning Mode
Mechanical crowning
18 Laser Protection
DSP- Italy
19 Front Photoelectric Protection
LNTECH-Shandong
20 Back Photoelectric Protection
LNTECH-Shandong
21 Clamping
Quick clampings
22 System Options
E200P、DA41S
23 Safety Standard
CE   □CSA   NR-12   □OSHA

7.Fabrication Equipment:

hydraulic press brake




Overall Welding Fabrication

overall welding fabrication of workbench vertical plate 

and machine body ensures the plates of the workbench






Precise Boring Bore

Overall fabricating of fixed seat and fixed hole ensures 

the two oil cylinder in the same level,namely,with same

Y axis value when working.to protect the oil cylinder and machine




Finite Analysis

Workbench adopts finite-element analysis curve fabricating,

avoiding uneven pressure,and reducing the cutting linearity deviotion



CNC Machine Center

All the machine components are manufactured in CNC machining center,

ensuring the accuracy of each component.



Heat Treatment by Tempering Furnace

Machine frame and slider hardened by heat treatment to guarantee the

frame strength the service life,and improve the bending accuracy.


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