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JH31 Closed Hot Die Forging Press Machine

Item No.: 00441
Ideal forging solution for producing gears, shafts, and connecting rods with consistent quality.
Description
Description

Product Overview

The Closed Hot Die Forging Press Machine is a high-performance forging solution widely used in modern metal forming industries. Designed specifically for hot forging of small and medium-sized components, it delivers excellent precision, stability, and efficiency.

The machine adopts a welded steel plate frame structure with tempering treatment, ensuring high rigidity and resistance to deformation. Equipped with upper and lower ejector systems, it meets complex forging process requirements and improves production efficiency.

With helical gear transmission and an imported hydraulic overload protection system, the press ensures smooth operation, low noise, and reliable safety performance. It is an ideal choice for forging components such as connecting rods, gears, and bearing rings.

Features & Benefits

  • Ideal for Small & Medium Hot Forgings

    Specially designed for hot forging of small and medium-sized parts such as connecting rods, gears, and bearing rings.

  • High-Rigidity Welded Frame

    Steel plate welded structure with tempering treatment ensures excellent strength, stability, and no deformation under heavy loads.

  • Efficient Ejector System

    Equipped with upper and lower ejectors for fast and smooth part removal, improving production efficiency.

  • Extended Die Life & Higher Productivity

    Optimized stroke design reduces contact time between dies and workpieces, significantly extending die lifespan and improving efficiency.

  • Helical Gear Transmission System

    Steel helical gears provide smooth operation, low noise, and high durability with minimal wear.

  • Hydraulic Overload Protection

    Imported hydraulic protection system ensures safe operation; overload can be quickly released by unloading valve, minimizing downtime.

  • Adjustable Stroke & Flexible Operation

    Stroke length is adjustable, making it adaptable to various forging processes and product requirements.

  • Centralized Lubrication System

    Supports both manual and automatic lubrication to ensure stable operation and reduce maintenance workload.

  • Low Noise & Stable Performance

    Optimized mechanical structure and balancing system ensure quiet and reliable operation.

  • Advanced Control System (Optional PLC)

    Electrical system can be equipped with PLC control for higher automation and easier operation.

Product Parameters

Specification

Unit

160G

200G

250G

315G

400G

500G

630G

800G

1000G

1250G

Nominal force

KN

1600

2000

2500

3150

4000

5000

6300

8000

10000

12500

Stroke under nominal force

mm

6

8

8

8

10

10

10

10

10

10

Slider stroke

mm

160

160

160

220

220

250

300

300

400

450

Number of strokes

/minute

45

45

45

40

40

40

40

35

35

35

Max die height

mm

390

400

450

500

550

550

600

700

800

800

Die height adjustment

mm

100

100

100

100

100

100

100

120

120

120

The distance between ram center and press body

mm

345

345

395

460

460

460

525

525

600

600

Table (F-B×L-R)

mm

690×650

690×670

750×750

900×900

900×900

900×900

1000×1000

1000×1000

1200×1200

1200×1200

The distance between the two guide shaft

mm

570

570

650

750

850

850

920

920

920

920

Bolster thickness (Dia×Depth)

mm

Φ100×120

Φ100×120

Φ100×140

Φ100×160

Φ150×180

Φ150×180

Φ150×200

Φ150×220

Φ150×240

Φ150×240

Slider bottom sizes (F-B×L-R)

mm

390×450

480×560

510×560

740×660

740×750

740×750

850×1000

850×1000

950×1200

950×1200

Distance between two columns

mm

690

690

790

920

920

920

1000

1000

1200

1200

Size of die shank hole (Dia×Depth)

mm

Φ75×110

Φ75×110

Φ75×110

Φ75×110

Φ80×120

Φ90×120

Φ90×120

Φ90×120

Φ90×150

Φ90×150

Motor power

kw

18.5

30

30

37

45

45

55

75

90

110

Outline dimension (F-B×L-R×H)

mm

1950×1720×3400

2050×2040×3600

2300×2200×3860

2300×2200×4350

2500×2350×4550

2700×2450×4750

2800×2550×5200

3500×3890×5725

3565×4370×6520

3685×4485×6645

Weight

kg

13000

14000

20000

25000

35000

42000

55000

65000

79000

92000

Product Application

This forging press is widely used in:

  • Automotive parts (connecting rods, gears, shafts)

  • Bearing manufacturing (bearing rings)

  • Machinery components production

  • Hardware and tool forging

  • Metal processing industries requiring high precision forging


    Bearing ring             Connecting rod for oil pump truck             Shoulder retaining ring open-type bearing
FAQ

Q1: What type of forging process is this machine suitable for?
A: It is mainly used for hot die forging of small and medium-sized metal parts.

Q2: What materials can be processed?
A: Suitable for carbon steel, alloy steel, and other forgeable metals.

Q3: What is the advantage of closed die forging?
A: It improves dimensional accuracy, reduces material waste, and enhances product consistency.

Q4: How does the overload protection work?
A: The hydraulic system releases pressure automatically or manually to protect the machine during overload.

Q5: Is the machine easy to maintain?
A: Yes, it features a simple structure and easy maintenance with accessible overload release.

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