【正文】
nosis and other measures. Other practical advantages in terms of software is simple and easy to learn. 2 PLC convenient use。s own knack in hardware used in photoelectric isolation device to prevent the output to the input of the feedback interference。PLC manipulator control system Machinery industry is the national equipment department, national economy is to provide equipment and life for the people to provide durable consumer goods industry. Machinery industry scale and technical level is to measure a country 39。s automation level remains to rise, only the equivalent of the world advanced technology in the level of eighty time. With the development of industrial modernization, robot technology has also increased, the development trend is the working strength is high, flexibility, accurate and reliable, can automatically detect and motor mand, the integration of advanced artificial intelligence, makes people only as usual simple maintenance, it is also the development trend of modern factory. The mechanical hand is mainly used for machining, casting and fing, heat treatment and other aspects, quantity, variety, performance can not meet the need of the development of industrial production. So, in the domestic is gradually expand the scope of application, focusing on the development of casting, heat treatment mechanical hand, in order to reduce labor intensity, improve working conditions, in the application of special mechanical hand at the same time, the corresponding development of universal mechanical hand, a condition to develop teaching manipulator, puter controlled manipulator and the bined machinery hands. At the same time to increase speed, reduce the impact, correct positioning, in order to better play the role of mechanical hand. It should also be vigorously on the servo type, memory retrieval, as well as having tactile, visual and other properties of the manipulator, and consider the collocated with the puter, and gradually bee the manufacturing system is one of the basic unit. Foreign mechanical hand in the machinery manufacturing industry in the application of more, development is very rapid also. Mainly for machine tool, horizontal fing press feeding and discharging, and spot welding, paint spraying operation, it can be in accordance with the specified prior to the pletion of the operation procedures. The development