CE 250ton C-Frame Crank Press
Product Description
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.
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.