China JK Series Frame Type Hydraulic Press with Lower Ejector - Leading Suppliers and Factory for Pressurized Processing
Product Features
- The machine frame adopts the high quality steel and carbon dioxide gas protection welding, with high rigidity and high compression strength.
- Fast non-load running, high working efficiency.
- Compact structure, easy maintenance, lower built-in oil pump, low noise, low temperature, long service time.
- Lower built-in oil cylinder, easy maintenance, cleaning and oil changing.
Product Features
- Adjustable performance: pressure, stroke, and holding pressure can be adjusted according to the pressing process requirements.
- Fast pressure rise: quick pressure rise after mold closing, reaching rated pressure in just a few seconds.
- Easy maintenance: with a bottom-mounted oil tank, it is convenient to replace and clean the oil tank.
- Stable operation: after years of mass production, the quality is stable and the performance is reliable.
Application Fields
- Metal processing: suitable for stamping, forming, shallow drawing, shaping, and pressure assembly of metal parts, such as the processing of automobile parts and hardware parts.
- Electronic appliances: can be used for the pressing of electronic connectors, electrical parts, motor rotors, and stators.
- Other industries: it can also be applied to the pressing of glasses, locks, as well as related processes in the shoe, handbag, rubber, and mold industries.
Technique Parameter
| Model | Units | JK-100A | JK-150A | JK-200A | JK-300AA | JK-500A | JK-1000A | JK-1500A | ||
| Master cylinder | Inhibit the nominal force | ton | 100 | 150 | 200 | 300 | 500 | 1000 | 1500 | |
| Deciduate nominal force | Mpa | 25 | 25 | 25 | 24 | 25 | 25 | 25 | ||
| Moving beam maximum stroke | mm | 110 | 110 | 150 | 150 | 150 | 150 | 150 | ||
| Fast uplink speed | mm/s | 200 | 200 | 160 | 160 | 140 | 120 | 100 | ||
| Return speed | mm/s | 180 | 180 | 120 | 100 | 100 | 90 | 80 | ||
| Ejecting cylinder | Nominal Pressure | ton | 3 | 3 | 5 | 5 | 10 | 20 | 30 | |
| Dia. of ejector bar | mm | φ28 | φ28 | φ28 | φ28 | φ40 | φ50 | φ60 | ||
| Ejecting stroke | mm | 15 | 15 | 15 | 15 | 15 | 20 | 30 | ||
| Height of the opening and closing | mm | 360 | 400 | 400 | 500 | 550 | 700 | 760 | ||
| Bolster close height | mm | 880 | 880 | 1050 | 1090 | 1185 | 1330 | 1700 | ||
| BolsterofM. W. T* Available | F-B(Rim) | mm | 420 | 420 | 500 | 540 | 640 | 880 | 1100 | |
| L-R (Between cylinden) |
mm | 420 | 420 | 520 | 580 | 710 | 900 | 1100 | ||
| Over all dimension | F-B | mm | 920 | 920 | 1300 | 1200 | 1440 | 1640 | 1680 | |
| L-R | mm | 850 | 850 | 1050 | 1170 | 1370 | 1850 | 1400 | ||
| Height | mm | 1630 | 1800 | 1850 | 1890 | 2080 | 2400 | 3100 | ||
| Motor power | kw | 4 | 4 | 5.5 | 5.5 | 15 | 18.5 | 22 | ||
| Weight | kg | 1600 | 1800 | 2400 | 3300 | 6500 | 12500 | 23000 | ||
Frequently Asked Questions
What are the structural features of the JK Series machine frame?
The machine frame is constructed using high-quality steel with carbon dioxide gas protection welding, providing high rigidity and high compression strength for stable and long-term operations.
Can the performance parameters of the hydraulic press be adjusted?
Yes, you can adjust the pressure, stroke, and holding pressure according to the specific pressing process requirements of your application.
How does the bottom-mounted design facilitate maintenance?
The machine is equipped with a lower built-in oil cylinder and a bottom-mounted oil tank, which makes it highly convenient to replace the oil, clean the tank, and perform routine maintenance.
What are the primary application fields for this machine?
It is widely used in metal processing (stamping, forming, shallow drawing), electronic appliances (pressing connectors, electrical parts, rotors, stators), and other industries like glasses, locks, rubber, and mold fabrication.
How fast does the machine reach its rated pressure?
The machine features a fast pressure rise, reaching its rated working pressure within just a few seconds after the mold is closed.
What is the range of motor power and weight across the JK Series models?
The motor power ranges from 4 kW (JK-100A) to 22 kW (JK-1500A), while the overall weight of the models ranges from 1,600 kg up to 23,000 kg depending on the capacity.



