CNC machine is according to the original conditions such as parts drawing and process requirements, the preparation of parts CNC precision machining program, and input into the CNC machine tool CNC system, in order to control the relative motion of the tool and the workpiece in the CNC machine tool, so as to complete the processing of parts.
The machining process of CNC lathe is similar to ordinary lathe. What are the advantages of CNC machine tool processing?
1. High productivity
CNC machine tools can effectively shorten the processing time and auxiliary time of parts, shorten the working time of semi-finished products, and improve productivity.
2. High machining accuracy
The machining accuracy of CNC machine tools can generally reach 0.005-0.1 millimeters. CNC machine tools are controlled by digital signals. For each pulse signal output by the numerical control device, the moving parts of the machine tool move a pulse equivalent (usually 0.001 mm). In addition, the CNC compensates the average error between the feed chain tooth gap and the screw pitch. Thus, CNC machine tools can be set up. Higher positional accuracy.
3. Highly flexible
In order to ensure the accuracy of the surface of the workpiece, the surface accuracy of the workpiece depends mainly on the machining process that is different from that of ordinary machine tools, so there is no need to manufacture and replace many tools and fixtures, and the machine tool does not need to be adjusted frequently. Therefore, CNC machine tools are suitable for frequent replacement of parts. Suitable for single-piece, small batch production and the development of new products, shorten the production preparation cycle, saving a lot of process equipment costs.
4. Stable and reliable processing quality
Processing the same batch of parts, on the same machine tool, under the same processing conditions, using the same tool and machining process, tool trajectory is exactly the same, the consistency of parts is good, stable quality.
5. Conducive to the modernization of production management
CNC machine tool processing can be accurately estimated in advance of the processing time, the tools and fixtures used can be standardized and modern management. CNC machine tools use digital signals and standard codes as control information, to facilitate the standardization of processing information. At present, it has been organically combined with computer-aided design and manufacturing (CAD/CAM), is the basis of modern integrated manufacturing technology.
6. Improve labor conditions
After CNC machine tool processing before the adjustment, input program and start, the machine can be automatic, continuous processing until the end of processing. Operators are mainly input, editing, loading and unloading parts, prepare tools, observe the processing status, check parts, etc., the labor intensity is greatly reduced, the machine tool operator's work tends to be intelligent. In addition, the machine tool is usually shut down, i.e. clean and safe.
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