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CE 250ton C-Frame Crank Press

A general type punching press machine. Adopts wet type pneumatic clutch and brake, easy for maintenance and lower working noise. PLC central control, automatic grease central lubricant. Hydraulic overload protection. Safety light barriers and fence are optional.
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  • JH21-250

  • WORLD


Product Overview

The 250ton C-Frame Crank Press Machine (Model: JH21-250) by WORLD GROUP is a high-performance, general-type punching press certified with CE standards, designed for precision metal stamping operations. This robust machine integrates advanced engineering with user-centric features, making it ideal for medium to heavy-duty stamping tasks across industries. Equipped with a wet-type pneumatic clutch and brake, PLC central control, and hydraulic overload protection, it delivers reliable performance, low operational noise, and easy maintenance. Whether for mass production or custom manufacturing, the JH21-250 CE Certificated Press Machine ensures safety, efficiency, and precision, meeting global quality and compliance requirements.

CE 250ton C-Frame Crank Press

Key Specifications

ITEM

CODE

UNIT

JH21-250

Nominal Capacity

Pe

KN

2500

Tonnage Point

-

mm

6.5

Slide Stroke Length

S

mm

220

Slide Strokes - Fixed

-

spm

30

Slide Strokes - Variable (Optional)

-

spm

20-35

Max. Shut Height

H2

mm

500

Shut Height Adjustment

t

mm

120

Throat Depth

C1

mm

450

Distance Between Columns

d1

mm

980

Slide Bottom Size (F-B)

b

mm

700

Slide Bottom Size (L-R)

a

mm

900

Shank Hole Diameter

d

mm

70

Shank Hole Depth

I

mm

100

Table Size (F-B)

D

mm

880

Table Size (L-R)

C

mm

1500

Table Thickness

H3

mm

190

Table Hole Diameter

-

mm

240

Overall Dimensions (F-B)

A

mm

2660

Overall Dimensions (L-R)

B

mm

1640

Overall Height

H

mm

3865

Motor Power

-

KW

22

Approximate Weight

-

kg

23200


Core Features & Benefits

Safety & Compliance

CE Certification: Meets EU safety and quality standards, with CE-marked low-voltage electric parts for global market access.

Dual Safety Protection: Equipped with a safety solenoid valve (with monitor function) for clutch control and an optional safety light barrier & side fence to prevent operator hazards.

Hydraulic Overload Protection: Showa/WORLD pneumatic pump system safeguards the machine from damage due to excessive pressure, extending service life.

Efficiency & Ease of Maintenance

Wet-Type Pneumatic Clutch & Brake: Reduces operational noise and simplifies maintenance, ensuring consistent performance even in long production runs.

PLC Central Control: Omron/Siemens/Delta/Xinjie PLC system enables automated operation, while the Kinco/Xinjie touch screen swing-arm console allows intuitive parameter adjustment.

Automatic Grease Lubrication: Centralized lubrication system (NF/Chinese grease pump) ensures all moving parts are properly lubricated, minimizing wear and tear.

Precision & Stability

Adjustable Slide Height: Motor-driven die height adjustment with indicator ensures accurate setup for different stamping tasks.

Anti-Vibration Pads: Four built-in pads reduce machine vibration, enhancing stamping precision and protecting the workshop floor.

Rugged Construction: Heavy-duty steel frame design supports 250ton nominal capacity, ensuring stability for high-load operations.

Optional Upgrades for Customization

Front-side safety light barriers (enhanced operator protection)

Physical safety fence for the working area

Inverter for adjustable slide speeds (optimizes efficiency for different materials)

Die cushion (improves stamping quality for complex parts)

Quick die change device (die clamps, die lifters, die arms) for reduced downtime

Tonnage monitor (real-time pressure monitoring)

Servo feeder (synchronized material feeding)

Uncoiler straightener (integrates with coil feeding systems)

Manipulator (automates part handling for mass production)

Applicable Materials & Target Applications

Applicable Materials

Steel sheets (mild steel, carbon steel)

Aluminum sheets

Copper sheets

Stainless steel sheets

Other metal substrates suitable for stamping (thickness compatible with machine capacity)

Target Applications

Automotive industry: Stamping of body parts, brackets, and components

Electronic industry: Production of connectors, chassis, and precision parts

Hardware manufacturing: Fabrication of hinges, fasteners, and tools

Home appliance industry: Stamping of refrigerator panels, washing machine parts

General metal processing: Custom stamping, blanking, bending, and forming tasks

Purchase Information & Call to Action

Availability: In stock (Quantity: 1 unit per order)

Package: Standard steel pallet (dimensions: 4100×1800×2800mm)

Shipment: One unit per 20ft open-top container (over-height handling included)

Call to Action: Ready to elevate your stamping operations? Inquire Now for a customized quote or Add to Basket to secure your JH21-250 250ton C-Frame Crank Press Machine. Our team provides technical support and global shipping services to meet your needs.

FAQ

Is the JH21-250 press machine CE certified?

Yes, the machine is fully CE certificated, with CE-marked electric parts and compliance with EU safety directives, ensuring legal access to European and global markets.

What is the maximum shut height adjustment range?

The shut height can be adjusted by 120mm, with a maximum shut height of 500mm, accommodating various die sizes and stamping requirements.

How much does the machine weigh, and what shipment options are available?

The approximate weight is 23200kg. It is shipped in a 20ft open-top container, with professional loading services provided to ensure safe transportation.

Can I integrate this press with a servo feeder?

Yes, the machine supports optional servo feeder and uncoiler straightener upgrades, enabling seamless integration into automatic press lines.

What maintenance is required for the wet-type pneumatic clutch?

The wet-type clutch requires regular oil checks and replacement (per manufacturer guidelines) to ensure smooth operation. The machine’s design simplifies maintenance, reducing downtime.


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