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The necessity of precision parts machining in CNC machining

Apr 21 , 2021

Drilling, boring, milling, turning and other single-function CNC lathes can only perform drilling, boring, milling, turning and other operations alone, while in the machinery manufacturing industry, most parts require multi-process processing.. In the entire processing process of a single-function CNC lathe Among them, the time spent on cutting is only about 30%, and most of the remaining time is spent on auxiliary tasks such as installing, adjusting tools, handling, loading and unloading parts, and checking machining accuracy. In the case of parts requiring multiple processes, the work efficiency of single-function CNC locomotives is still not high.. Machining centers-generally have the function of automatic tool change, after the parts are clamped, drilling, boring, milling and sinking can be completed. Processes such as tapping.


1. Repetitively produced artifacts.

The market demand for some products is cyclical and seasonal. If the use of special production lines is not worth obtaining, the processing efficiency of using ordinary equipment is too low, the quality is unstable, and the quantity is difficult to guarantee. And using a CNC machining center, after the first piece (batch) is tested, the program and related production information can be retained, and the next time the product is reproduced, the production can be started as long as there is little preparation time. CNC machining center man-hours include preparation man-hours and machining man-hours. The CNC machining center evenly distributes the very long single-piece machining man-hours to each workpiece, reducing the average actual man-hours for each production and greatly shortening the production cycle.


2. High-precision workpieces

Some workpieces require a small amount, but they are key parts, requiring high precision and short construction period, and using traditional technology to use multiple lathes to coordinate work, the cycle is long, and the efficiency is low. In the long process, it is easy to be artificial Affect the production of waste products, resulting in significant economic losses. And use the CNC machining center for processing, and the production is completely controlled automatically by the program. Avoid long process flow, reduce hardware investment and human interference, and have the characteristics of high production efficiency and stable quality.


3. Mass-produced workpieces.

The flexibility of CNC machining center production is not only reflected in the rapid response to special requirements, but also can quickly achieve mass production and improve market competitiveness. CNC machining center is suitable for small and medium batch production, especially small batch production, when using CNC machining center. Efforts to make the batch larger than the economic batch and achieve good economic results. With the continuous development of CNC machining centers, the economic batch is getting smaller and smaller. For some complex workpieces, 5-10 pieces can be produced, or even single-piece production. Consider using a CNC machining center.


4. Workpieces that can be concentrated in multiple stations and processes


5. Workpieces with complex shapes


The application of four-axis linkage and five-axis linkage CNC machining center, as well as the maturity and development of CAD/CAM technology, have greatly increased the complexity of processing workpieces. The use of DNC makes the processing content of the same program sufficient to meet various processing needs. The automatic processing of complex workpieces becomes easy.

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