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PLC is more reliable
Pipe bending machine industry in China began to appear recession phenomenon after the maintained rapid growth in recent years,especially the ordinary machine tools,but a little less influence on CNC machine tool,so reshuffle is necessary.The development of CNC and high-end machine tools bring huge demand PLC and motion controller.The future direction of the machine tool is CNC and high-end step by step,these machines require large of PLC and motion controller to replace the relay or mechanical control gradually,improving the mahcine's overall performance.So in the long run,PLC and motion controllers in the application of the machine tool industry has tremendous potential.
PLC is programmable controller.PLC used in the CNC machine tools also known as PMC. It has the following advantages: fast response,high control accuracy, high reliability and the control procedures can vary with different applications,it is also convenient to interface with computer,easy maintenance.Typically, PLC program used in CNC machine tools includs system programs and user programs.System program including monitoring program, compile program, and diagnostic procedures, provided by PLC manufacturers and cured in the EPROM,the user can not directly access and does not require user intervention. Site control as needed, the application compiled with the PLC programming language used to achieve various control requirements.Commonly used PLC program design language mainly has ladder diagram, the statement table, function block diagram, etc.
CNC machine tools is mechanical and electrical integration products which set computer technology, PLC technology, automation technology in one.As the core of the CNC machine control system,it is directly related to the normal operation of equipment.With the powerful function of CNC machine tools PLC, the control system can give full play to the role, and the fault diagnosis and maintenance is also more convenient.Safety control functions such as prevent collisions effectively eliminates hidden trouble which lead by operator errors resulted spindle and fixture, workpiece collisions,to ensure production safety and good economic benefits.
Because a lot of action CNC machine tools actuators are controlled by command PLC to achieve,so we can make use of PLC for fast detection and maintenance of CNC machine tool fault,or modify, write the PLC program to add an executable action or function to the CNC machine tools.
Application of PLC in the machine tool industry give priority to with small PLC,Japanese PLC has great superiority in the field of small PLC,so the Japanese machine tool industry to occupy most of the market share of the PLC,and Mitsubishi PLC, Siemens PLC and ge-fanuc due to its CNC system system have advantage in the machine tool industry,therefore a place in the machine tool industry.PLC brands in the machine tool industry concentration is relatively high, mainly in the Japanese brands and Siemens, Delta PLC brand in Taiwan which also occupy a certain market share,all bending machines in HEI YAN use highly reliable PLC system, operating simplicity and reliability.
Hei Yan Int’L Development Limited
NO.509 Xin Yi Business Center, Cang zhou, He Bei ,
Tel: 0086-317-3047113 0086-157-16898927
Fax: 0086-317-3017275
Email:sales@xnmac.net