OUR PRODUCT

GPA SERIES OPEN-BACK POWER PRESSES

GPA SERIES OPEN-BACK POWER PRESSES

The machine adopts press frame design of high rigidity and steel plate welding of high quality.

The transmission centre is the same of the machine centre to ensure the accuracy and stability.

Die height adjustment accuracy reaches up to 0.1m for safe, convenient and reliable adjustment.

Gear pair and sliding pair are smooth, high-precision and of low noise after quenching and precision grinding.

GPA SERIES OPEN-BACK POWER PRESSES

The machine adopts press frame design of high rigidity and steel plate welding of high quality.

The transmission centre is the same of the machine centre to ensure the accuracy and stability.

Die height adjustment accuracy reaches up to 0.1m for safe, convenient and reliable adjustment.

Gear pair and sliding pair are smooth, high-precision and of low noise after quenching and precision grinding.

The machine adopts symmetrical balancer design to make sure smooth operation.

Dry clutch and dual solenoid valve with famous brands are applied so as to increase safety performance and ensure low noise.

Hydraulic overload protective device is equipped for high sensitivity and safety during operation.

With PLC control, the machine can achieve automatic production with robot as well as feeding system.

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GPA SERIES PRODUCT PARAMETER

Unit

GPA-25

GPA-45

GPA-60

GPA-80

GPA-110

GPA-160

GPA-200

GPA-260

Model

 

V

H

V

H

V

H

V

H

V

H

V

H

V

H

V

H

Nominal Capacity

kN

250

450

600

800

1100

1600

2000

2600

Rating Point A.B.D.C.

(Above bottom dead center)

mm

3.2

1.6

3.2

1.6

4

2

4

2

6

3

6

3

6

3

7

3.5

Stroke Length

mm

60

30

80

50

120

60

150

70

180

80

200

90

200

100

250

150

Stroke Per Minutes

SPM

60-140

130-200

40-100

110-150

35-90

80-120

35-80

80-120

30-60

60-90

20-50

40-70

20-50

50-70

20-40

40-50

Max. die Height

mm

200

215

250

265

310

340

340

380

360

410

460

510

460

510

500

550

Slide adjustment

mm

50

60

75

80

80

100

110

120

Depth of throat

mm

155

225

255

280

305

405

415

430

Bolster Area

LR

mm

680

850

900

1000

1150

1250

1400

1500

FB

mm

300

440

500

550

6000

800

820

840

THK

mm

70

80

80

90

110

140

160

180

Slide Area

LR

mm

300

400

500

560

650

700

850

950

FB

mm

220

300

360

420

470

550

630

700

Die Shank Hole (dia)

mm

Ø38

Ø38

Ø50

Ø50

Ø50

Ø65

Ø65

Ø65

Main motor

kW

3.7

5.5

5.5

7.5

11

15

15

22

Bolster to ground

mm

795

790

795

830

830

900

995

1030

Distance between columns

mm

444

502

526

534

616

660

800

900

Over Dimension

LR

mm

940

950

1000

1100

1300

1400

1690

1850

FB

mm

1350

1600

1600

1800

1900

2300

2615

2780

H

mm

2230

2500

2850

2900

3200

3800

4075

4470

Weight

kg

2030

3300

4300

6500

9500

16000

23000

32000

Air Pressure Used

MPa

0.6

0.6

0.6

0.6

0.6

0.6

0.6

0.6

Capacity

kN

---

23

36

36

63

100

140

140

Stroke length

mm

---

50

70

70

80

80

100

100

GPA SERIES DIMESION OF THE BOLSTER AND SLIDE BOTTOM PLATE

Bolster Area

01.jpg

Model

GPA-25

GPA-45

GPA-60

GPA-80

GPA-110

GPA-160

GPA-200

GPA-260

L1

680

850

900

1000

1150

1250

1400

1500

L2

300

440

500

550

600

800

820

840

L3

180

240

300

300

320

440

560

580

L4

120

150

160

180

200

220

240

260

L5

240

300

320

360

400

440

480

520

Unit: mm

Slide Area

02.jpg

Model

GPA-25

GPA-45

GPA-60

GPA-80

GPA-110

GPA-160

GPA-200

GPA-260

L1

300

400

500

560

650

700

750

950

L2

---

---

220

300

300

300

420

420

L3

150

180

220

220

220

175

200

200

L4

80

120

160

180

220

220

300

300

L5

245

300

360

420

470

550

630

700

D

38

38

50

50

50

65

65

65

Unit: mm

T-Slot Dims

03-.jpg

Model

GPA-25

GPA-45

GPA-60

GPA-80

GPA-110

GPA-160

GPA-200

GPA-260

L1

18

18

22

22

22

22

22

22

L2

30

30

37

37

37

37

37

37

L3

18

18

24

24

24

24

24

24

L4

12

12

16

16

16

16

16

16

Unit: mm

GPA SERIES CONFIGURATION

Standard Configuration

Dry-type clutch 

Hydraulic overload protective device

(GPA 80-260)Motor-driven slide block adjustment device (GPA 80-260)

(GPA 45-60)Manual slider adjustment device (GPA 45-60)

Pneumatic grease lubrication device 

Slide block and die balancing device 

Electronic cam controller 

Digital die height indicator (Unit 1mm)

Counter 

Frequency control of motor speed 

Over-run protective device 

Double solenoid valve 

Programmable controller 

Stationary two-hand control button station 

Coupling for air blowing 

Coupling for air source 

Misfeed detecting circuit 

Inversion set of the main motor 

Operating instruction and precision inspection table  

Shockproof sizing block

Optional Configuration

Sider upper discharge device

Automatic feeding axis 

Pneumatic die pad device 

Gas liquid mold pad device

220 single phase of the convenience receptacle

Lighting lamp for die 

Foot switch 

Movable to hand contra button station 

Preset counter

Safety net

Foundation on bot 

Quick die change device

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Guangdong Metal Forming Machine Works Co., Ltd.

We are always providing our customers with reliable products and considerate services.

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