The position detecting device on the CNC machine is usually installed on the work table or the screw of the machine tool. It is equivalent to the dial of the ordinary machine tool and the eyes of the operator. It automatically detects the displacement of the table and feeds it back to the control system. A large number of facts prove that the position detection device on the CNC machine tool with perfect design is usually installed on the work table or the screw of the machine tool, which is equivalent to the dial of the ordinary machine tool and the eyes of the operator, and will automatically work continuously. The displacement of the table is detected and fed back to the control system. A large number of facts prove that for a well-designed high-precision CNC machine tool, its machining accuracy and positioning accuracy will mainly depend on the detection device. Therefore, the precision inspection device is an important guarantee for high-precision CNC machine tools. In general, the detection devices used on CNC machines should meet the following requirements:
1. Reliable work and strong anti-interference.

2. Can meet the requirements of accuracy and speed.

3. Easy to use and maintain, suitable for the working environment of the machine tool.

4. The cost is not high, and the price is cheap.

Generally, the detection accuracy of the CNC machine tool detection device is 0.001~0.01mm/m, and the resolution is 0.001~0.01mm/m, which can meet the movement of the machine table at a speed of 1~10m/min.
Http://news.chinawj.com.cn Editor: (Hardware Business Network Information Center) http://news.chinawj.com.cn

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