Important Part of Graphite Electrode Hydraulic Press Machine
Important Part of Graphite Electrode Hydraulic Press Machine
1. AirframeThe upper beam, the movable beam and the lower beam are connected by four columns, and are fastened by nuts to form a closed rigid frame to withstand the force of the hydraulic press machine. The moving beam is connected to the main cylinder piston rod flange, and the column is the guide Move up and down; the upper beam, the movable beam and the lower beam are welded parts as a whole; the sliding part of the moving beam is equipped with an oil hole, which is regularly refueled to lubricate the moving part;
2500 tons graphite electrode dedicated four-column hydraulic press
2. Travel limit device
It is composed of a guide plate and a travel switch, which are divided into an upper limit switch, a lower limit switch, and a fast turn slow switch. There are 3 in a group. Adjusting different switch positions can change the stop position of the movable beam at the upper and lower ends; After the adjustment, the lock nut should be locked. During the constant pressure molding of the powder molding hydraulic machine, the lower switch can only be used to control the lower end position (playing a protective role), and cannot be used to control the pressing stroke; during the fixed stroke molding, the travel switch It plays the role of overpressure protection. The lower cylinder is composed of the upper limit switch of the lower cylinder and the lower limit switch of the lower cylinder. The lower cylinder stops when it reaches the set position;
3. Hydraulic system
Composed of hydraulic transmission and control system, mainly composed of oil tank, oil pump, cartridge valve, cooling, filter, etc., the action of the press is realized by controlling the electromagnetic reversing valve through the electrical system;
4. Fuel tank
It is a steel plate welded part, the surface has undergone strict slag removal and pickling treatment, and the edge of the fuel tank is higher than the cover plate to prevent the oil from being exposed;
5. Cartridge valve
CV series cartridge valve assembly is adopted, with simple and compact structure, fast response, small internal leakage, large flow, anti-pollution, convenient maintenance and long service life;
6. Pressure gauge
The anti-seismic oil pressure gauge is used, which has high display accuracy and is not easy to be damaged; the electric contact pressure gauge detects the pressure in the upper chamber of the master cylinder at all times, and stops pressing when it reaches the set pressure, realizing constant pressure return.
Performance characteristics of hydraulic press for graphite electrodes:
1. The four-column structure is economical and applicable, with large operating space;
2. The hydraulic control adopts a closed cartridge valve integrated system, which reduces leakage points, reliable and stable action, and strong anti-pollution ability;
3. PLC control system is adopted, with compact structure, sensitive and reliable work, and good flexibility;
4. It can be equipped with automatic equipment such as servo energy-saving system and product conveying line;
The essence of the graphite electrode molding process is to make the paste pass through a die of a certain shape under pressure, and then be compacted and plastically deformed to become a blank with a certain shape and size. Therefore, the selection of the hydraulic press machine is very important. It is recommended that you go to the manufacturer to investigate and communicate, try to make the surplus of the hydraulic press as large as possible, and avoid the phenomenon of small horses and large carts.
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Delishi Machinery Technology CO.,LTD.
Goodsjack Hydraulic Machinery Co.,Ltd.Tel: +86-769-83061993 83223615
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