WE67K

Hydraulic Press Brake

Electro-hydraulic Synchronous CNC Bending Machine

Combined structure.
Stand configuration with 3+1 axes: Y1 (upward-downward of left cylinder), Y2 (upward-downward of right cylinder), X (forward-backward of backgauge), V (hydraulic crowning).
DELEM DA52 for standard configuration, DA56, DA65W for option.
Mechanical or hydraulic crowning mechanism, horizontal compensation is automatically controlled by the CNC system.
Main hydraulic and electric parts are from international famous brands.
A set of standard tools is provided with each machine, special tools are available according to customer's requirements. 


Model

Bending Force

Bending Length

Column Distance

Throat Depth

Cylinder Stroke

Open Height

Approaching Speed

Ram Speed

Return Speed

Motor Power

Dimensions

Machine Weight

Unit

kN

mm

mm

mm

mm

mm

mm/s

mm/s

mm/s

kW

mm

kg

WE67K-63/2500

630

2500

2050

250

150

330

100

8

100

5.5

2750x1400x2180

5100

WE67K-100/2500

1000

2500

2050

320

150

420

100

10

70

7.5

2750x1600x2450

6200

WE67K-100/3200

1000

3200

2600

320

150

420

100

10

70

7.5

3450x1600x2450

7650

WE67K-100/4000

1000

4000

3200

320

150

420

100

10

70

7.5

4250x1800x2720

8900

WE67K-125/3200

1250

3200

2600

320

150

420

100

8

70

7.5

3450x1600x2450

8100

WE67K-125/4000

1250

4000

3200

320

150

420

100

8

70

7.5

4250x1800x2720

9450

WE67K-160/3200

1600

3200

2600

320

200

470

140

9.5

100

11

3450x2050x2900

10700

WE67K-160/4000

1600

4000

3200

320

200

470

140

9.5

100

11

4250x2050x2900

13000

WE67K-200/3200

2000

3200

2600

320

220

510

140

10

110

15

3450x2000x2900

12700

WE67K-200/4000

2000

4000

3200

320

220

510

140

10

110

15

4250x2000x3100

15100

WE67K-200/5000

2000

5000

4000

320

220

510

140

10

110

15

5250x2100x3200

17500

WE67K-200/6000

2000

6000

4800

320

220

510

140

10

110

15

6250x2100x3200

18500

WE67K-250/3200

2500

3200

2600

400

240

530

140

8

100

18.5

3450x2000x2900

16000

WE67K-250/4000

2500

4000

3200

400

240

530

140

8

100

18.5

4250x2000x3000

18000

WE67K-250/5000

2500

5000

4000

400

240

530

140

8

100

18.5

5250x2100x3200

21000

WE67K-250/6000

2500

6000

4800

400

240

530

140

8

100

18.5

6250x2100x3200

23000

WE67K-300/3200

3000

3200

2600

400

240

560

140

8

110

22

3450x2280x3200

19300

WE67K-300/4000

3000

4000

3200

400

240

560

140

8

110

22

4250x2380x3300

22000

WE67K-300/6000

3000

6000

4800

400

240

560

140

8

110

22

6250x2380x3500

29300

WE67K-400/4000

4000

4000

3200

400

240

560

80

8

60

30

4250x2350x3595

30000

WE67K-400/6000

4000

6000

4800

400

240

560

80

8

60

30

6250x2350x3595

35000


1. Machine model and name

1.1 Name: CNC bending machine

2. The accuracy of the CNC axis of the machine

CNC axis

Repeat accuracy

Control precision

Y axis (Y1/Y2)

0.01mm

0.02mm

X axis

0.02mm

0.05mm

3. Product standard

Q/HSD 76706-2006 "Accuracy of CNC Sheet Metal Bending Machine"

4. The overall performance of the machine

4.1 Structural steel plate welded structure, strong rigidity.

4.2 Structural parts are derusted by sanding and sprayed with anti-rust paint.

4.3 The column, upper working slide block, and lower working table of the machine tool adopt a large floor boring and milling machine, and use the integral one-time processing method for precision processing to ensure the overall processing accuracy of the machine tool.

4.4 Upward bending design, stable work, convenient operation and safe.

4.5 There is a pressure-holding delay function at the bottom dead center to ensure the accuracy of the workpiece.

4.6 The slider has a large stroke and a high tolerance for parallelism on both sides.

4.7 Under the relevant national standard conditions, the bending angle accuracy can reach ±30'.

4.8 With the function of slow descent control, the operator can better control the workpiece.

4.9 Workbench deflection compensation function ensures bending accuracy.

4.10 The stopper is driven and controlled by a servo motor, which has fast speed, stable transmission, high precision and low noise.

5. Hydraulic system

WE67K-1.jpg

5.1 Adopt the special synchronous control system of German Rexroth's bending machine, which can obtain higher synchronous control accuracy. The hydraulic system has overload and overflow protection, which is safe and reliable.

5.2 The gear pump used for the oil pump can withstand high pressure and has low noise.

5.3 Cylinder: 45# steel quenching and tempering treatment, inner hole fine boring and grinding.

5.4 Piston: 45# steel quenching and tempering treatment, external high frequency quenching or chrome plating, fine grinding, vibration grinding (super fine grinding).

5.5 The sealing ring is selected from Japan's NOK company, which has good sealing performance, reliable work and long life.

5.6 There is a clear and intuitive display of oil level and temperature.

5.7 The hydraulic system is divided into coarse and fine two-stage filtration, with high filtration accuracy.

6. Electrical control system

6.1 The key electrical components are imported from abroad, which conform to international standards, are safe and reliable, have a long life, and have strong anti-interference ability. The electric control cabinet has a heat dissipation function.

6.2 Movable foot switch operation, with emergency power off function.

7. The function of CNC axis

WE67K-2.jpg

7.1 The Y1 and Y2 axes are the slider stroke control axes, which are used to control the bending angle.

Two grating rulers (Y1-Y2) are installed at both ends of the machine tool. They are used to determine the exact position of the slider and the worktable; the grating ruler is connected to the worktable so that the deformation of the column will not affect the positioning of the slider. The position data is immediately fed back to the numerical control system, and it can measure and output the servo valve control signal.

7.2 V axis adopts convex control axis (that is, deflection compensation).

Using LVD's unique embossing worktable design and manufacturing technology, a family of ideal embossing curves can be formed, and compensation is achieved over the full length to offset the deformation of the slider and the worktable under stress, and improve the quality of the parts.

7.3 X axis is the backgauge control axis, used to control the flange size of the bending machine.

The X axis uses an imported servo motor to drive the ball screw through a synchronous toothed belt wheel. The two stop jaws are always synchronized during the movement. Smooth transmission, high precision and low noise.

8. Mould

WE67K-3.jpg

A set of standard upper and lower molds

Standard fixture: Quick clamp

9. Anti-eccentric load capacity of the machine

The power supply servo system of this machine is a position control system. It dynamically detects the synchronization error of the slider through the grating ruler. The electro-hydraulic servo valve signal is given by the numerical control system to correct the synchronization error of the slider, so that the slider is completely deviated. It can always be parallel to the workbench under load.

10. CNC system

DA-52S numerical control system of Dutch DELEM company (standard configuration)

·One-page parameter quick programming

·Navigation shortcut keys

·7" widescreen color TFT

·Max four-axis control (Y1Y2 and two additional axes)

·Workbench deflection compensation control

·USB peripheral interface

·Advanced Y-axis control algorithm, which can control both closed-loop and open-loop valves

·Panel type installation structure, optional hanging box


DA58T/DA66T/DA69T CNC system (optional) of Dutch DELEM company

11. Key imported parts

Numerical control system DELEM, the Netherlands

Module DELEM, the Netherlands

Servo valve group Rexroth, Germany

Pressure valve group Rexroth, Germany

Grating ruler HEIDENHAIN AG, Germany

 Rod seals NOK company in Japan

 Sealed ring NOK company in Japan

Cylinder sealing ring NOK company in Japan

Dustproof ring NOK company in Japan

Direction belt NOK company in Japan

Servo motor Estun

Servo drive Estun

12. Other standard configuration of machine

Ball screw for X-axis drive

4 backgauge stop claws

1 set of foot switch

4 anchor bolts

4 pads

1 set of instructions for use


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