This is a very basic knowledge. Although you understand it, you may not have seen such a systematic summary, including CNC machine tool composition, technology chain, product chain, and downstream industry chain.

1

CNC machine tool

In terms of the composition of CNC machine tools, it is mainly divided into three parts: machine body, transmission system and CNC system.

Machine body

The main part of the machine tool is the main part of the machine tool, the hardware of the machine tool, the important mechanical accessory part of the machine tool, and the part that is most easily visible through the naked eye, including the bed and base castings, the main shaft and the gearbox, the guide rail and the sliding table. Lubrication, chip evacuation and cooling.

Transmission system

The transmission system is an important "thread" of CNC machine tools. It leads the orderly execution of various parts of the machine tool and completes the working mission of the machine tool. It includes tools, transmission machinery and auxiliary power system. (1) In terms of the tool part, including the protection device, the tool magazine and the tool change device; (2) as the second largest component of the transmission system - the transmission machine includes three parts: a ball screw, a linear guide and a worm pair; 3) The auxiliary power system consists of two parts: the hydraulic system and the starting system. These two parts are the driving force of the CNC machine.

CNC system

The numerical control system can be said to be the soul of the CNC machine tool, and it is also the most inductive part of the whole machine tool. It is the essence of the machine tool to complete various functions and operations. CNC system is basically divided into two categories, (1) drive device, which includes high-speed spindle, torque motor, linear motor, ordinary motor and stepper motor; (2) control and detection device, including CNC system, programmable controller, Feed servo control module, position detection module, etc.

2

CNC machine tool technology chain

The technical chain of CNC machine tools consists of six major components. In summary, it includes real-time nuclear technology of numerical control system, direct drive motor machining control technology, servo motor machining control technology, linear sensing resolution technology, angle sensing resolution technology and numerical control. System fieldbus technology, etc.

3

CNC machine tool product chain

The CNC machine tool product chain is longer than the other links, which generally include machining centers, metal cutting, special machining, forming and other parts.

Machining center: multi-axis linkage, flexible processing unit;

Metal cutting: CNC lathe, CNC milling machine, CNC boring machine, CNC drilling machine, CNC grinding machine, CNC punching machine;

Special processing: EDM wire cutting machine tools, EDM machine tools, flame cutting machine tools, laser processing machine tools, high pressure water cutting machine tools, CNC automatic welding equipment;

Molding machine: CNC press, CNC shearing machine, CNC bending machine, CNC pipe bending machine, multi-coordinate measuring machine;

Other: automatic plotters, industrial robots and special CNC systems.

4

CNC machine tool downstream industry chain

The downstream industrial chain of CNC machine tools embodies the full role of CNC machine tools as a “master machine” and is widely used in various industries of the manufacturing industry. In general, it includes several aspects:

National defense military: aerospace, nuclear industry, ship industry, weapons manufacturing;

Petrochemical; petroleum, petrochemical, chemical, etc.;

Shipbuilding industry: shipbuilding and ship related;

Machinery industry: machinery manufacturing, etc.;

Automotive industry: body machining, cylinder processing, transmissions, clutches, shaft components, etc.;

Other industrial manufacturing related fields.

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