CHK PLC Fully Hydraulic Die Forging Hammer

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CHK PLC Fully Hydraulic Die Forging Hammer
Posting date : Aug 28, 2008
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PLC fully-hydraulic die forging hammer, innovated with the worldwide advanced technology of forging , is such product of machine-electrical integration with hi-tech & autonomic intellectual property developed in China, a new type of CNC forging equipment with high efficiency, energy-saving and environmental protection features. It's the key science and tech project in the “Fifteenth planning” of Jiangsu province and No. 1 in China at the moment and the tech. has reach up to the advanced level of the same kinds products in the world. In 2002, the fully-hydraulic die forging hammer is patented by Chinese Government. Main Structural Characteristics A Intellectual CNC system PLC fully-hydraulic die forging hammer is equipped with on-line electronic monitors system for pressure, temperature and cleanness and PLC energy control unit as well as logic monitoring system. The electronic monitors are used to guarantee normal operation of the hydraulic system while MSP processor will be responsible for comprehensive analysis technical data collected from on-line sensors, such as: tooling data, working oil pressure, blank deformation, etc and then realizing automatic control for striking energy after calculation of those data and further come to the logic monitoring for the whole working procedure. With precise striking energy control, it can not only reduce vibration and noise generated by surplus striking energy but also increase the hammer's operational reliability and tooling life and further improve forging's quality and speed up working efficiency and decrease the operators’ skill requirement. The logic control for the whole working procedure means monitoring working status of all device and executing elements by certain software program. It is also featured with man-machine conversation and malfunction display. B High efficient tapered valve control PLC fully-hydraulic die forging hammer is actuated by tapered valve, with advantages of high efficiency, energy-saving and fast speed due to prompt reaction, big flow-rate, simple construction, compact design, short oil pipeline, minimum pressure and flow loss, etc. C Unique drive structure PLC fully-hydraulic die forging hammer has combined cylinder construction. Because its striking frequency is basically similar to steam hammer, it needs fast oil discharge speed when striking. By using the combined cylinder, it needs no oil pipes, no valves, less or no on-the-way resistance when charging and discharging oil, thus, it can finally realize fast striking and fast return. D Safe sealing PLC fully-hydraulic die forging hammer is constructed with high and low pressure anti-leakage unit, so that the little leakage of the high pressure oil due to incomplete sealing oil can go back to the tank through the oil reflux channel. Low pressure sealing is just for preventing outside leakage of the oil but high and low pressure sealing system can guarantee absolute sealing. Performance and Feature Due to applied the high-tech. of modern electronic, hydraulic control, the control performance and operating reliability of this hammer have been improved greatly, it’s the firm foundation for successfully used in forging industry. A High efficiency Flexibility and Speed are main technological features of forging hammer being used. It is possible for the hammer head to obtain huge energy in the short stroke due to its fully hydraulic drive system, that is, high speed forging in the short stroke and high frequency continuous forging become the reality, which is dispensable for fast deformation of the blank. This is the unique advantage of PLC fully-hydraulic die forging hammer over any other forging equipment. B Energy-saving Energy-saving is the main agent for hydraulic hammer having been developed up to now, PLC fully-hydraulic die forging hammer can reach 65% drive efficiency, over 30 times more efficient than other traditional steam hammer only having 2% energy utilization. The energy-saving is outstanding. C Environmental protection No waste discharge and automatic control of striking energy can avoid noise problem caused by surplus striking energy, and hydraulic damping anti-vibrator can sufficiently reduce striking vibration by absorbing about 85% striking vibration, so that the working condition is much improved. D High accuracy U-shape one-unity casting steel anvil frame, easily dismounting wide guides as well as good tooling alignment and adjustment has guaranteed to form forgings with high accuracy. The guide clearance is 0.2mm, and working accuracy, striking rigidity, striking efficiency and accuracy hold performance are more favorably than steam hammer. E High reliability By using advanced tapered valve hydraulic control system, the oil circuit can realize no-pipe connection to greatly simplify the structure, which is precondition for the operational reliability of forging hammer. Furthermore, modern electronic technique is widely applied to improve the control performance and increase the working reliability.

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