China Suppliers Factory for JS Under Cylinder Type Four Column Hydraulic Machine for Pressurized Processing
Product Features
1. Work table has high precision, high rigidity and strong anti-slanting capability, especially suitable for products which need high pressing precision and are not symmetrical.
2. Work table has high speed and work efficiency.
3. Forged and precisely ground oil cylinder, reliable under high pressure.
4. Four columns are made of high strength alloy steel, with surface chrome coated, high antiwear performance.
5. Adopting lower built-in oil cylinder, with compact structure.
Product Features
Strong process adaptability: Suitable for a variety of processes, such as powder product molding, plastic product molding cold (hot) extrusion metal molding, sheet metal stretching, and cross pressing, bending pressing, flanging, and correction, etc.
Adjustable pressure and stroke: The working pressure, pressing speed, empty fast down and deceleration stroke range can be adjusted according to process needs.
Multiple ejection functions: The lower cylinder provide ejection process, with ejection, delay, automatic return and other functions, which is convenient for the demoulding and removal of workpieces.
Compact stable structure: The three-beam four-column structure is compact, and the four-column guidance ensures the motion accuracy and stability of the movable cross beam, and the equipment reliably.
Application Fields
Metal processing industry: Used for cold extrusion, hot extrusion, forging, stamping, bending, flanging and other processes of parts, which can process various complex-shaped metal products.
Plastic products industry: Suitable for hot pressing molding of plastic basins, plastic drums, plastic toys and other plastic products, as well as extrusion molding of plastic pipes and other processes.
Powder metallurgy field: It can press metal powder or ceramic powder into shape, produce various powder metallurgy parts, ceramic products, etc., such as mechanical parts, electronic components, cutting tools, etc.
Maintenance and Care
Daily maintenance: operator should check the equipment every day, including whether the connection of each part is firm, whether the lubrication is good, whether there is leakage in the hydraulic system etc., and clean the dust and sundries on the surface of the equipment in time.
Regular maintenance: Regularly replace hydraulic oil, clean the oil tank and, check the wear of hydraulic components such as oil pumps, oil cylinders, and valves, and replace the worn parts. At the same time, check and maintain the system to ensure its normal operation.
Technique Parameter
| Model | Units | JS-50/A | JS-100/A | JS-200/A | JS-300/A | JS-500/A | JS-1000/A | JS-2000/AA | ||
|---|---|---|---|---|---|---|---|---|---|---|
| Master cylinder | Inhibit the nominal force | ton | 50 | 100 | 200 | 300 | 500 | 1000 | 2000 | |
| Deciduate nominal force | Mpa | 25 | 25 | 22 | 25 | 25 | 24 | 25 | ||
| Moving beam maximum stroke | mm | 110 | 110 | 150 | 150 | 150 | 150 | 200 | ||
| Fast uplink speed | mm/s | 210 | 200 | 160 | 160 | 140 | 120 | 150 | ||
| Working speed | mm/s | 5~10 | 5~8 | 4~8 | 4~8 | 3~7 | 3~8 | 2~8 | ||
| Return speed | mm/s | 190 | 180 | 120 | 120 | 100 | 90 | 180 | ||
| Under ejecting cylinder | Nominal Pressure | ton | 3 | 3 | 5 | 5 | 10 | 20 | 60 | |
| Dia. of ejector bar | mm | φ28 | φ28 | φ28 | φ28 | φ40 | φ50 | φ80 | ||
| Ejecting stroke | mm | 15 | 15 | 15 | 15 | 15 | 20 | 50 | ||
| Upper ejecting cylinder | Nominal Pressure | ton | / | / | / | / | / | / | 30 | |
| Dia. of ejector bar | mm | / | / | / | / | / | / | φ60 | ||
| Ejecting stroke | mm | / | / | / | / | / | / | 60 | ||
| Height of the opening and closing | mm | 300 | 320 | 380 | 500 | 550 | 700 | 800 | ||
| Bolster close height | mm | 800 | 820 | 850 | 880 | 1125 | 1385 | 1860 | ||
| Bolster of M. W. T * Available | L-R (Between cylinder) | mm | 320 | 345 | 530 | 540 | 650 | 900 | 1250 | |
| F-B (Rim) | mm | 400 | 430 | 500 | 540 | 750 | 950 | 1400 | ||
| Over all dimension | L-R | mm | 1000 | 1030 | 1330 | 1360 | 630 | 2450 | 3000 | |
| F-B | mm | 900 | 950 | 1180 | 1220 | 1510 | 1700 | 2000 | ||
| Height | mm | 1380 | 1420 | 1630 | 1680 | 1990 | 2670 | 3760 | ||
| Motor power | kw | 4 | 4 | 5.5 | 5.5 | 15 | 18.5 | 45 | ||
| Weight | kg | 1500 | 1800 | 2800 | 3800 | 7800 | 18370 | 45000 | ||
Frequently Asked Questions (FAQ)
What are the primary applications of this four-column hydraulic machine?
This equipment is highly versatile and widely used in the metal processing industry (for cold/hot extrusion, forging, stamping, and bending), the plastic products industry (for hot pressing molding), and the powder metallurgy field (for pressing metal or ceramic powders into shape).
What are the advantages of the under-built oil cylinder design?
The lower built-in oil cylinder configuration offers a highly compact structure. It ensures the work table maintains high precision, high rigidity, and excellent anti-slanting capabilities, making it ideal for asymmetrical products requiring precise pressing.
Can the working pressure and stroke range be customized or adjusted?
Yes. The working pressure, pressing speed, empty fast down speed, and deceleration stroke range can all be adjusted to meet specific processing requirements.
What functions does the lower ejection cylinder provide?
The lower cylinder offers multiple ejection functions, including standard ejection, delay, and automatic return, which significantly simplifies the demoulding and removal of finished workpieces.
What daily maintenance is required for this hydraulic machine?
Operators should perform daily checks on all connections, ensure proper lubrication, inspect the hydraulic system for leaks, and promptly clean any dust or debris from the machine surface.
How often should the hydraulic oil and components be serviced?
Regular maintenance involves periodically replacing the hydraulic oil, cleaning the oil tank, and checking for wear on critical parts like oil pumps, cylinders, and valves. Worn components should be replaced immediately, and the control system should be checked regularly.