Nc lathe is introduced and the selection principle

also known as CNC lathes, CNC lathes computer numerical control lathe, namely domestic usage is the largest, the most widely coverage of a CNC machine tool, accounts for about 25% of the total number of nc machine tools. Nc machine tools is a set of mechanical, electrical, hydraulic, pneumatic, microelectronics and information technology for the integration of mechanical and electrical integration products. Is the machinery manufacturing equipment has high accuracy, high efficiency, high automated and high flexibility advantages of machine tools. Technical level of the nc machine tools and metal cutting machine tool production and the percentage of the total ownership is to measure a country's economic development and an important symbol of the overall level of industrial manufacturing. Numerical control lathe numerical control machine tool is one of the main varieties, it occupies very important position in the numerical control machine tool, for decades has been paid attention to by the countries all over the world and got rapid development. CNC lathe is a kind of high precision, high efficiency of automatic machine tools. It has a wide range of process performance, machinable straight cylindrical, slash cylinder, circular arc, and all kinds of thread. Compensated by linear interpolation, arc interpolation function, and in the mass production of complex parts in good economic effect. Reasonable choice of CNC lathe, should follow the following principles: a. Principle 1. Preparation to determine the typical batch process requirement, machining parts, and formulate the functions of the CNC lathe is to do a good job in preparation, reasonable choice of CNC lathe precondition to meet the technological requirements of typical parts. The structure of the typical parts process requirement is mainly parts size, processing range and accuracy. According to the accuracy requirement, that is, the size of the workpiece precision, position precision and surface roughness requirements to select the control precision of the numerical control lathe. Choose according to reliability, reliability is the guarantee to improve product quality and production efficiency. The reliability of nc machine tool is refers to the machine to perform its function under prescribed conditions, run stably for a long time without fail. The MTBF is long, even if there is something wrong with the, short time internal energy recovery, to be put into use. Choose reasonable structure, fine workmanship, and has set up a batch production of machine tools. In general, the more users, the higher the reliability of the numerical control system. 2. Machine tool accessories and tool machine tool accessories, spare parts and its ability to supply the choose and buy, cutting tool, for CNC lathes, turning centers have been put into operation in is very important. Selection of machine tool, need to carefully consider the sex of cutting tools and accessories. 3. Pay attention to the identity of the control system manufacturer generally choose the same vendor's product, should choose at least the same manufacturer's control system, the maintenance work to bring great convenience. Teaching units, because need students informed, choose different system, equipped with all kinds of simulation software is a wise choice. 4. Do according to the performance price ratio choice function, precision not idle, do not waste, don't choose has nothing to do with his/her needs. 5. Machine tools of protection when needed, can be equipped with a closed or semi-closed protective device, automatic chip removal device.

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