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Guangzhou Plastic Mould Factory tell you what is CNC
CNC (numerical control machine tool) is the abbreviation of computer numerical control.
This is an automated machine with a program control system. The control system can logically process and code the program with control codes or other symbolic instructions to operate the machine and process parts.
Numerical control (English name: Numerical Control for short: NC) technology refers to the numbers and symbols composed of digital instructions to realize the motion control technology of one or more mechanical devices. Numerical control machine tools generally use general purpose or special computer digital program control, so NC is also called computer numerical control (Computer Numerical Control), referred to as CNC, and it is generally called CNC in foreign countries.
1. High processing accuracy and stable processing quality;
2.Multi-coordinate linkage can handle the shape of complex parts;
3 changes in processing parts, generally only need to change the NC program, saving production preparation time;
4. The machine itself has high precision and good rigidity. You can choose to add a large amount of advantageous workload and high production efficiency (generally 3 to 5 times that of ordinary machine tools);
5. High degree of machine tool automation can reduce labor intensity;
6. The quality of operators is high, and the maintenance requirements of technical staff are high.
1. It should be able to ensure the accuracy and surface roughness of the workpiece.
2. Make the shortest processing route, reduce idle travel time and improve processing efficiency.
3. Simplify the numerical calculation of the workload as much as possible and simplify the processing procedures.
4. For some reusable programs, subroutines should be used.
In today's society, due to rising labor costs, template production has been gradually replaced by CNC systems. Compared with the previous manual preparation, the advantages are that the relative position accuracy of the hole is higher, the accuracy of the hole is high, and the work efficiency is very high. In addition, the surface of metal molds, special-shaped parts; plastic cavity molding process requires the use of CNC machining.
NC machining consists of two parts: one is the operation part, and the other is the programming part.
These two points are compatible with each other. However, division of labor requires division of labor and coordination, with emphasis on teamwork. Why is that point combined? Because the main work is to exchange the coordinates of the machine, table, table, point, knife, and console, as well as to process the mold parts to be processed on the computer transmission program, the automatic startup process is an implementation work. The work of the programming part is mainly to design the workpiece structure of the mold, set up the mechanical system, edit the processing method, processing area, processing program, design program, etc. Both can work independently and independently, but they must also be related to each other. For machining workpieces, the tool speed must be adjusted in the processing points, tool points, reference direction, platen position, and spindle speed adjustment processing. Blades Replacement of wear and tear needs to be clearly explained. For the finished product, it is fresh and beautiful. In jargon, life is good or bad, it is indispensable.
A good operation master is a direct quality inspector of a good mold product, a good programming master is a good mold product image designer, and the cooperation between the two is a complete ISO quality system. The management of the CNC milling system is the key to mastering the mold processing. It is the time and quality assurance of the mold products, and it is also the guarantee for the mold enterprises to pursue efficiency and benefits.
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