China JK Series Hydraulic Press with Lower Ejector - Top Suppliers and Factory for Automotive and Jewelry 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 (FAQ)
What are the main design features of the machine frame?
The machine frame is constructed using high-quality steel and carbon dioxide gas protection welding. This design ensures high rigidity and exceptional compression strength for long-term stability.
Can the press performance parameters be customized or adjusted?
Yes. The performance features such as working pressure, cylinder stroke, and holding pressure can be easily adjusted to match your specific pressing process requirements.
How does the lower built-in cylinder design benefit maintenance?
The lower built-in oil cylinder and bottom-mounted oil tank design make routine maintenance tasks, such as cleaning, oil changes, and tank replacement, highly convenient and straightforward.
What application fields is this hydraulic press suitable for?
It is widely used in metal processing (stamping, forming, shallow drawing of auto/hardware parts), electronic appliances (pressing connectors, motor rotors, and stators), and other industries like glasses, locks, shoes, handbags, rubber, and mold fabrication.
What is the range of motor power and weight for the JK Series?
Depending on the model, the motor power ranges from 4 kW (JK-100A) up to 22 kW (JK-1500A), while the machine weight ranges from 1,600 kg to 23,000 kg.