In the wave of market economy, all companies are pursuing efficiency, so people are more focused on processing efficiency. The current high-speed processing is generally considered to be one of the effective means to improve processing efficiency; At the exhibition, people can see a variety of high-speed processing equipment, which can be said to be infinite scenery; the most intuitive experience that high-speed processing brings to people is the increase in spindle rotation speed and cutting speed, and the processing time is significantly shortened; From the point of view of interest, high-speed processing is not suitable for all companies; because of the infinite appearance, there is a huge expenditure to support. The investment in high-speed processing equipment is not only the equipment itself, but also the cost of machine tool maintenance and use, which are much higher than those of ordinary equipment. The most obvious is the high cost of conventional consumables such as cutting tools, cooling media, etc. In addition, the maintenance cost of the machine tool, accidental wear and tear, etc. will give his owner an unexpected “surprise surprise”. For these reasons, many high-speed processing equipments are eventually used as conventional equipments, losing their value and function. In fact, high-speed processing is only applicable to a few companies with high added value and advanced technology.

In fact, in terms of improving processing efficiency, high-speed machining is only one of the means; at the end of the last century, high-speed machining equipment required linear motor, spindle, and tool durability has achieved some technical breakthroughs, making rapid development of high-speed processing so far. In fact, we still have a way to go, is to increase the material removal rate by increasing the power of the machine tool or increasing the tool load, we call it "powerful cutting"; the power of the machine tool is not a big problem, the rigidity of the machine tool structure and the tool Durability is the biggest bottleneck. However, under limited conditions, we can optimize machine tool design, optimize tool selection, and optimize process plans to fully exploit the performance of the machine tool and effectively improve the efficiency of machining. This is currently the most cost-effective method.

Composite machining is another direction for the development of processing methods. The most common is turning and milling and compound machining and boring and milling. In theory, it can save a lot of process preparation time and simplify the process flow. It is an effective means to improve product quality and production efficiency. . However, the price of such equipment is relatively high.

The above several processing methods are to improve the processing efficiency. In fact, improving the processing efficiency is not only reflected in the application of the equipment. In the application of the tool measuring tools and fixtures, we can also find ways to improve the efficiency. In the field of processing where these methods are applied, we collectively call them "efficient processing."

Here we take the application of turning and milling composite equipment as an example to discuss how to make full use of the efficiency of the equipment. Whether or not the efficiency of the equipment can be fully utilized is a decisive factor for the company's profitability. Here we look at both qualitative and quantitative perspectives. On the one hand, due to the use of effective NC program control, product consistency is ensured, the impact of human factors is minimized, and the accuracy of the product can be evenly distributed in the tolerance zone. In the range, on the other hand, due to the reduction of the process flow, the error of double-clamping is avoided, thereby improving the quality of the product. In large-volume product processing, the advantages of this type of equipment lie in the production efficiency and stable product quality; in the processing of small-batch products, the flexibility of the equipment and the high product quality are reflected. In the application of such equipment, the emphasis is on product quality and processing efficiency. We give you some intuitive feelings through some examples of turning and milling.

This is a typical joint type of parts, the inner shape needs to be processed, and the lot size is very large. If this part is processed on the turning and milling compound device, it is the best choice both in terms of efficiency and quality. Choosing a reasonable processing plan and cutting tool with a set of automatic feeding mechanism, the processing time of a single piece can even be calculated in seconds, and its production efficiency cannot be imagined in the conventional process arrangement.

This is a kind of equipment with a higher degree of compounding. The structure of the double tool holder greatly improves the machining efficiency. How to effectively use the two tool holders and make them work together to shorten the processing time is a practical application of this type of equipment. One of the main topics in the. In addition, the linkage between the upper turret and the C-axis can also complete the five-coordinate linkage machining, which can be effectively solved in the CAM software. For millions of devices, CAM software is often overlooked.

The double-spindle device can realize automatic turning of parts, and the concentricity of both sides can be ensured by the accuracy of the machine tool, which not only reduces the preparation time for reloading cards, but also ensures the accuracy of the parts, especially the parts that are mass-produced. The consistency of the parts can be well guaranteed and the machining error can be easily controlled within the specified range.

Through the above three examples, we can see that turning and milling composite equipment can effectively improve product quality and processing efficiency. However, only efficient equipment and no effective tools and means to drive it are also in vain. There are two things to feel here. First, reasonable tool selection and effective tool management system are the basic guarantees for efficient machining. Second, the support of the CAM platform is an indispensable condition for efficient machining. Whether in high-speed machining, powerful cutting or compound machining, cutting tools are always an important issue for us. The correct choice and use of the tool is the premise of all work, when other factors can not be broken due to conditions, the article on the tool can receive unexpected results.

For example, in the most common turning operations, if we are required to guarantee the surface quality within the maximum number of revolutions allowed by the machine tool, we cannot improve the machining efficiency by increasing the feed rate. However, there is a type of Wiper blade in which the tool tip angle is formed by a plurality of arcs to form a cutting edge and a wiper, respectively, and the feed rate can be increased under the condition of ensuring the surface quality, so that the production efficiency can be doubled.

When selecting a reasonable tool, it must also have a complete tool management system. The management of the tool is an important part of ensuring product quality. The degree of automation of the turning and milling equipment is relatively high. If the correct tool cannot be used for the equipment, or the tool parameters exceed The allowable error range will result in the scrapping of a batch of parts and bring about astounding losses. The management of tools, especially the management of tool life, is more important for highly automated equipment. Establishing a complete set of tool management and guarantee system can effectively guarantee product quality.

CAM software is a tool and a catalyst; in the field of NC machining, the cost of CAM can be quickly recovered from the added benefits. For example, Wiper tool mentioned above, because the tool nose angle is not a complete arc, the compensation of the tool nose radius can not be achieved through the radius compensation function in the control system, then the Wiper tool can only be used for rough machining. If you use CAM software to achieve this kind of tool nose compensation, you can greatly increase the use of the blade. Multi-spindle and multi-turret equipment can efficiently set the processing tempo through the CAM software and give full play to the processing efficiency of the double tool carrier. In addition, support for multi-coordinated linkage is inseparable from CAM software.

High-efficiency machining is not only a processing method, but also a concept. It covers a wide range of fields such as equipment, tools, process optimization, and CAM applications. From a single point of view, there are often bound to be problems. Even get backfired results. Only from the actual point of view, combined with the company's own situation, to find the most effective solution.

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