MRCM share / 2022-02-18 / Hits(253)
Compared with traditional machine tools,
CNC machine tools have the following characteristics.
1. Highly flexible
Machining parts on CNC machine tools mainly depends on the processing program. It is different from ordinary machine tools. It does not need to be manufactured, replace many molds and fixtures, and does not need to readjust the machine tool frequently. Therefore, CNC machine tools are suitable for occasions where the processed parts are frequently replaced, that is, suitable for the production of single-piece, small-batch products and the development of new products, thereby shortening the production preparation cycle and saving a lot of process equipment costs.
2. High machining accuracy
The machining accuracy of CNC machine tools can generally reach 0.05-0.1MM. The CNC machine tools are controlled in the form of digital signals. Each time the CNC device outputs a pulse signal, the moving parts of the machine tool move by a pulse equivalent (usually 0.001MM), and the machine tool advances. The backlash of the transmission chain and the average error of the screw pitch can be compensated by the numerical control device, so the positioning accuracy of the numerical control machine tool is relatively high.
3. Stable and reliable processing quality
Machining the same batch of parts, on the same machine tool, under the same processing conditions, using the same tool and processing program, the tool travel path is exactly the same, the consistency of the parts is good, and the quality is stable.
4. High productivity
The CNC machine tool can effectively reduce the processing time and auxiliary time of the parts. The spindle sound speed and feed rate of the CNC machine tool have a large range, allowing the machine tool to perform powerful cutting with a large amount of cutting. CNC machine tools are entering the era of high-speed machining. The rapid movement and positioning of moving parts of CNC machine tools and high-speed cutting have greatly improved productivity. In addition, when used in conjunction with the tool magazine of the machining center, it can realize continuous processing of multiple processes on one machine tool, reduce the turnaround time between processes of semi-finished products, and improve productivity.
5. Improve working conditions
Before the CNC machine tool is adjusted, the program is input and started, and the machine tool can automatically and continuously process until the end of the process. What the operator has to do is only program input, editing, parts loading and unloading, tool preparation, processing state observation, parts inspection, etc. The labor intensity is greatly reduced, and the labor of machine tool operators tends to be intellectual work. In addition, machine tools are generally combined, which is both clean and safe.
6. Utilize production management modernization
The processing of CNC machine tools can accurately estimate the processing time in advance, standardize and modernize the tools and fixtures used, and easily realize the standardization of processing information. It has been organically combined with computer-aided design and manufacturing (CAD/CAM), It is the basis of modern integrated manufacturing technology.
Zhejiang Meiri Intelligent Equipment Co., Ltd. is a service provider specializing in the development and production of small special tool grinders and precision machines. The company's main products: CNC tool grinder, best drill bit sharpeners for sale, end mill grinder bit, milling cutter grinder, thread tapping grinder, turning tool grinder, saw blade grinder, universal knife grinder, universal tool grinder, chamfering machine, pneumatic tapping machine , Electric tapping machine, zero point positioning system, precision vise, rotary table, EDM machine and other precision machinery series. The products have applied for 70 patents and 3 invention patents, with an annual output of more than 20,000 grinding machines, accounting for more than 60% of the domestic market and about 50% of the global market, and export products are sold to developed industries such as Japan and Germany.
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