What is a CNC machine?

What is a CNC machine?

CNC machine history:

The late 1940s, the United States began to study the CNC machine tools in 1952, Massachusetts Institute of Technology (mit) servo laboratory successfully developed the first CNC milling machine, and put into use in 1957. This is a manufacturing technology development process of a major breakthrough in the field of manufacturing CNC machining marks the beginning of the era. CNC machining is the foundation of modern manufacturing technology, this invention for the manufacturing industry, has great significance and far-reaching impact. The world's major industrial countries attach great importance to CNC machining technology research and development. China started to develop in 1958, CNC machine tools, successful trial with a sub-control CNC CNC machine tools, mass production began in 1965 with a transistor coordinate CNC milling machine CNC system. After decades of development, CNC machine tools and computer control has been implemented widely used in industry, in the mold manufacturing industry has been particularly popular.

For turning, milling, grinding, drilling and planing and other metal cutting and EDM processing, laser processing, special processing needs, develop a variety of categories of CNC machine tools. Wide range of CNC machine tools, CNC machine tools will generally be divided into 16 categories:
1 CNC lathe (turning center with milling capability)2 CNC milling machine (including milling center)3 bed CNC Keng4 in order to cut milling process-based processing center.5 CNC grinding machine (including grinding center)6 CNC drilling (including drilling center)7 CNC broaching machine8 CNC planer9 CNC cutting machine tools10 CNC gear cutting machinesCNC laser processing machine 1112 CNC WEDM13 CNC EDM machine tools (including electronic processing center)14 villages forming machine tool numerical control board15 metal forming machine tools CNC tube16 other CNC machine tools

Mold used CNC machine tools: CNC milling, CNC EDM machine, CNC WEDM, CNC grinding and CNC lathes.

CNC machine tools usually control systems, servo systems, detection systems, mechanical transmission and other auxiliary system components.

    Control system for CNC machine tool operation, management and control, through the media to get the input data, the interpretation of these data and computing and machine tools to be effective; servo control system according to the order-driven machine tools, cutting tools and parts to implement the provisions of NC code movement; detection system is used to detect the machine perform pieces (tables, rotary, slide, etc.) of the displacement and velocity variation, and test results back to the input, and input commands to compare, adjust the machine motion based on the difference ; machine tool feed servo drive system is driven by the component to perform pieces between the machine tool feed drive; a wide range of auxiliary systems, such as: canned cycle (can be a variety of repeated processing), automatic tool change (exchangeable specified tool), mechanical transmission gear backlash compensation compensation gap generated error) and so on.