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Mechanical Punch Press STPP Series

Mechanical Punch Press STPP Series

The machine body is manufactured by welding the steel plates with good rigidity. The double crankshafts are designed in the reverse way, which makes the motion of the machine balanced and counteracts the side force of the linkage side block.

The slider is guided by eight-sided full guide rails, which has a stronger anti-unbalance bearing capacity, small lateral force, high precision and good retention.

What is Mechanical Punch Press?

A mechanical punch press is one type of punch press that is designed for cutting the desired shapes through the die sets. The primary mission of mechanical punch presses is to cut out certain shapes on sheet metal with the die just like general punch press machines and is critical for producing cuts with high precision. 

Features

  • The hydraulic overload protective device is installed inside the slide block, so it works rapidly, sensitively, and reliably.

  • The clutch adopts a high-torque wet clutch, which has large torque, long service life and is not affected by wear and tear. At the same time, it has no pollution, low noise, and is sensitive to start and brake.

  • This mechanical punch press machine adopts the PLC control method, and it can be provided with the automatic production line and uncoiling leveling device to achieve automated stamping production of a single machine or many machines.

No information.

Remarks: Specifications are subject to change without notice.

Unit

STPP-160

STPP-250

STPP-300

STPP-350

STPP-400

STPP-400K

STPP-500

STPP-600

Nominal Capacity

kN

1600

2500

3000

3500

4000

4000

5000

6000

Rating Point A.B.D.C.

(Above bottom dead center)

mm

6

7

7

7

7

7

7

7

Stroke length

mm

200

250

250

280

300

300

320

320

Strokes per minute

SPM

30-55

25-45

20-35

20-35

20-35

20-35

15-30

15-30

Max. die height

mm

450

500

550

600

600

700

800

800

Slide adjustment

mm

100

110

120

120

140

140

140

200

Side Window opening

FB

mm

760

920

1200

1200

1200

1200

1200

1200

UD

mm

480

480

610

620

610

660

680

680

Bolster area

FB

mm

800

840

1000

1100

1100

1200

1300

1300

LR

mm

1860

2200

2500

2700

2700

3000

3200

3400

Slide area

FB

mm

700

750

900

1000

1000

1100

1200

1200

LR

mm

1800

1900

2200

2400

2400

2800

3000

3200

Distance between columns

mm

2120

2300

2600

2810

2800

3100

3400

3600

Main motor

kW

18.5

22

30

37

37

45

55

55

Bolster to ground

mm

1.5

3

3

4

4

4

4

4

 

mm

1000

1000

1140

1240

1250

1330

1340

1400

Overall dimension

FB

mm

2720

2600

3020

3140

3140

3140

3400

3630

LR

mm

2880

3140

3490

3700

3780

4130

4430

4620

H

mm

3800

4315

4820

5130

5300

5370

5780

6090

Weight (net)

kg

27000

31000

41000

52000

56000

65000

79000

92000

Cushion(Optional)

Capacity

kN

2x100

2x120

2x120

2x120

2x120

2x140

2x140

2x140

Stroke length    

mm

100

100

100

110

140

140

140

140

Air pressure used

MPa

0.6

0.6

0.6

0.6

0.6

0.6

0.6

0.6

01.jpg

 Bolster with cushion

02.jpg

Bolster of the STPP series

Model

STPP-160

STPP-250

STPP-300

STPP-350

STPP-400

STPP-400K

STPP-500

STPP-600

a

1860

2200

2500

2700

2700

3000

3200

3400

b

800

840

1000

1100

1100

1200

1300

1300

c

1540

1750

2100

2100

2100

2700

2700

2700

s

400

400

400

500

500

600

600

600

d

1250

1250

1500

1500

1500

2100

2100

2100

e

---

---

---

---

---

1500

1500

1500

f

750

750

900

900

900

900

900

900

g

250

250

300

300

300

300

300

300

h

140

190

220

220

220

250

280

320

i

300

320

400

450

450

500

550

550

j

1440

1440

1630

1630

1630

1630

1630

1630

k

440

440

440

440

440

440

440

440

l

300

460

460

460

460

600

600

600

m

100

100

100

100

100

100

100

100

n

100

100

100

100

100

100

100

100

p

4-Φ30

4-Φ30

4-Φ30

4-Φ30

4-Φ30

4-Φ30

4-Φ30

4-Φ30

q

4

4

4

4

4

6

6

6

r

3

3

4

4

4

5

5

5

y

40-Φ32

40-Φ32

50-Φ32

50-Φ32

50-Φ32

80-Φ32

84-Φ32

84-Φ32

Remarks: Specifications are subject to change without notice.

03.jpg

Slide Bolster of the STPP series

Remarks: Specifications are subject to change without notice.

Model

STPP-160

STPP-250

STPP-300

STPP-350

STPP-400

STPP-400K

STPP-500

STPP-600

X

1800

1900

2200

2400

2400

2800

3000

3200

Y

700

750

900

1000

1000

1100

1200

1200

A

250

250

300

300

300

300

300

300

B

750

750

900

900

900

900

900

900

C

1250

1250

1500

1500

1500

1500

1500

1500

D

---

---

---

2100

2100

2100

2100

2100

E

---

---

---

---

---

2700

2700

2700

04.jpg

T-Slot

Remarks: Specifications are subject to change without notice.

Model

STPP-160

STPP-250

STPP-300

STPP-350

STPP-400

STPP-400K

STPP-500

STPP-600

x1

46

46

46

46

46

46

46

46

x2

28

28

28

28

28

28

28

28

y1

28

28

28

28

28

28

28

28

y2

20

20

20

20

20

20

20

20

Standard Configuration

T-shape two-hand button operating board (movable)

Touching type supervising controller

Hydraulic overload protective device

Over-run protective device

Accumulative 8-bit counter

Single 4-bit counter

Preset 4-bit counter

Motor-driven slide block adjustment device

Automatic lubricating device

Misfeed detecting interface

Electronic cam controller

Photo-electric protection

Frequency control of motor speed

LCD frequency converter operating panel

Digital die height indicator (Unit 0.1mm)

Wet-type clutch

Slide block and die balancer

Electronic type crank angle indicator

Inversion set of the main motor

Operating instruction and precision inspection table

Coupling for air blowing

Coupling for air source

Double solenoid valve

Shockproof sizing block

Optional Configuration

Air cushion

Ejector devise in the upper of the slide block

Quick die change device

Flywheel brake equipment

Safety cock

Load monitor

Die safety detector

Foundation bolt

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Guangdong Metal Forming Machine Works Co., Ltd.

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