- reasonably determine the functions of the CNC machine tool. When selecting the functions of the CNC machine tool, we should not pursue the large and complete functions, because if we excessively pursue a large number of coordinate axes of the CNC machine tool, the large power of the workbench and motor, the high machining accuracy and the complete functions, the more complex the system will be and the lower the reliability will be. Purchase and maintenance costs will also increase. On the one hand, the processing cost will increase correspondingly. On the other hand, it will cause a great waste of resources. Therefore, CNC machine tools should be selected according to product specifications, dimensions, accuracy, etc.
- it is determined that the CNC machine tool for the machined parts shall be reasonably selected according to the typical parts to be machined. Although the CNC machine tool has the characteristics of high flexibility and strong adaptability, the best effect can be achieved only when certain parts are machined under certain conditions. Therefore, before determining the equipment to be purchased, the typical parts to be processed must be determined first.
- the reasonable selection of numerical control system shall consider in detail the numerical control system that can meet the requirements of various performance parameters and reliability indicators, and shall consider the convenience of operation, programming, maintenance, and management. Try to be centralized and unified. If it is not a special case, try to use the same series of CNC systems familiar to the unit and produced by the same manufacturer for future management and maintenance.
- configure necessary accessories and tools to give full play to the role of CNC machine tools and enhance their processing capacity, necessary accessories and tools must be configured. Do not buy a machine tool that costs hundreds of thousands of yuan or millions of yuan. It cannot be used normally due to the lack of an accessory or cutting tool that costs tens of thousands of yuan. Purchase some vulnerable parts and other accessories when purchasing the host machine. Foreign metal cutting experts believe that the efficiency of a CNC machine tool worth 250000 US dollars largely depends on the performance of an end mill worth 30 US dollars. It can be seen that CNC machine tools are equipped with cutting tools with good performance. It is one of the key measures to reduce costs and obtain the maximum comprehensive economic benefits. Generally, the CNC machine tool shall be equipped with enough cutters to give full play to the functions of the CNC machine tool, so that the selected CNC machine tool can process multiple product varieties and prevent unnecessary idleness and waste.
- pay attention to the installation, commissioning, and acceptance of CNC machine tools. After the CNC machine tools enter the factory, they should be carefully installed and commissioned, which is very important for future operation, maintenance, and management. During the installation, commissioning and trial operation of CNC machine tools, technicians must actively participate, carefully study, and humbly accept the technical training and on-site guidance of suppliers. Carry out overall acceptance of the geometric accuracy, positioning accuracy, cutting accuracy, machine performance, etc. of the CNC machine tool. Carefully check the supporting technical data, operation manual, maintenance manual, accessory instructions, computer software, and instructions, and keep them properly. Otherwise, some additional functions will not be developed in the future and it will be difficult to maintain the machine tool.
Finally, the after-sales service, technical support, personnel training, data support, software support, installation and commissioning, spare parts supply, tool system, and machine tool accessories of CNC machine tool manufacturers should be fully considered.
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