China Hydraulic Machine Suppliers - JKS Upper Cylinder Frame Type for Punching and Molding Applications in Various Industries
Product Features
The machine frame adopts high-quality steel and carbon dioxide gas protection welding, featuring high rigidity and high compression strength.
Fast non-load running ensures exceptionally high working efficiency.
The work table moves from the upper position to the lower position, enhancing workpiece precision and ensuring the safety of operators when sizable workpieces are pressed.
Features a lower built-in oil cylinder design for easy maintenance, cleaning, and oil changing.
Structural Advantages
Sturdy Structure
The overall steel plate welding frame-type machine frame provides excellent overall rigidity, high compressive strength, and strong resistance to off-load.
Adjustable Performance
Pressure, stroke, and holding time can be adjusted according to pressing process requirements, adapting perfectly to different workpieces.
Quick Pressure Rise
Pressure rises rapidly after mold closing, typically taking only a few seconds to reach the rated pressure, which significantly improves overall work efficiency.
Easy Maintenance
Designed with a bottom-mounted oil tank, making it highly convenient to replace and clean the oil tank and maintain the hydraulic system.
Application Fields
Metal Processing
Suitable for stamping, forming, shallow drawing, shaping, and pressure assembly of metal parts, such as automobile parts, hardware tools, and electronic components.
Plastic Product Processing
Can be used for the hot pressing molding of plastic sheets and the pressing of plastic parts, such as the production of plastic pallets and plastic tableware.
Composite Material Processing
Used for mold pressing molding of composite materials, such as the manufacturing of carbon fiber and glass fiber composite products.
Technical Parameters
| Model | Units | JKS-100/A | JKS-200/A | JKS-300/A | JKS-500/A | ||
|---|---|---|---|---|---|---|---|
| Master cylinder | Inhibit the nominal force | ton | 100 | 200 | 300 | 500 | |
| Deciduate nominal force | Mpa | 25 | 22 | 24 | 25 | ||
| Moving beam maximum stroke | mm | 110 | 150 | 150 | 150 | ||
| Fast unlink speed | mm/s | 210 | 170 | 170 | 150 | ||
| Return speed | mm/s | 180 | 120 | 120 | 100 | ||
| Ejecting cylinder | Nominal Pressure | ton | 3 | 5 | 5 | 10 | |
| Dia. of ejector bar | mm | φ28 | φ28 | φ28 | φ40 | ||
| Ejecting stroke | mm | 15 | 15 | 15 | 15 | ||
| Height of the opening and closing | mm | 310 | 350 | 400 | 450 | ||
| Bolster close height | mm | 850 | 900 | 900 | 900 | ||
| Bolster of M. W. T* Available | F-B(Rim) | mm | 430 | 500 | 580 | 640 | |
| L-R (Between cylinder) | mm | 430 | 520 | 600 | 710 | ||
| Overall dimension | L-R | mm | 980 | 1130 | 1260 | 1480 | |
| F-B | mm | 1150 | 1120 | 1340 | 1520 | ||
| Height | mm | 1930 | 2180 | 2340 | 2300 | ||
| Motor power | kw | 4 | 5.5 | 5.5 | 15 | ||
| Weight | kg | 1800 | 3600 | 4300 | 12400 | ||
Frequently Asked Questions (FAQ)
What are the structural benefits of the machine frame?
The machine frame is manufactured using high-quality steel and carbon dioxide gas protection welding. This design offers high rigidity, excellent compressive strength, and strong resistance to off-load, ensuring long-term durability under heavy workloads.
How does the moving work table improve operation safety and precision?
The work table moves from an upper position to a lower position. This downward movement enhances workpiece positioning precision and safeguards the operator when handling and pressing sizable or heavy workpieces.
Is the hydraulic system of the machine easy to maintain?
Yes. The machine features a lower built-in oil cylinder and a bottom-mounted oil tank design. This setup makes routine maintenance, oil changes, and cleaning of the hydraulic system quick and convenient.
Can the operating parameters be adjusted for different workpieces?
Absolutely. The pressure, stroke length, and pressure holding time can all be adjusted to match the specific requirements of different pressing processes and workpiece designs.
How fast does the system build up pressure?
The system features a rapid pressure rise. Once the mold is closed, it typically takes only a few seconds to reach the rated working pressure, which greatly improves overall production cycle efficiency.
What kinds of materials can be processed with this machine?
It is highly versatile and suitable for metal processing (stamping, drawing, and shaping), plastic product processing (hot pressing molding of sheets), and composite material processing (such as carbon fiber and glass fiber mold pressing).

