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The machine tool probe is a measuring device that is configured on a CNC machine. Machine tool probes can be divided into workpiece detection probes and tool inspection probes according to their functions; they can be divided into hard-wired, inductive, optical and radio according to signal transmission.
Machine tool probes are generally installed on CNC machine tools such as CNC lathes, machining centers, and CNC grinding machines. It can directly measure the size and position of the tool or workpiece without manual intervention in the machining cycle, and automatically correct the offset of the workpiece or tool according to the measurement result, so that the same machine can process higher precision parts. . Because it can improve the processing quality and the cost is low, it is favored by enterprises.
The role of the machine tool probe
The main function of the machine tool probe is to help the machine tool measure and process correction. Its functions are roughly as follows.
1. Automatically identify machine tool accuracy error and automatically compensate machine tool accuracy;
2. Instead of manual automatic centering, edge finding, measurement, and automatically correct the coordinate system according to the measured data, automatic tool compensation;
3. Directly measure the surface of the workpiece;
4. Automatically compare the measurement results and report.
In summary, the machine tool probe is an auxiliary measuring device in machine tool processing. Because it is installed on the machine tool, it can be measured and calibrated during processing, which reduces the clamping process and can improve the efficiency and quality of machine tool processing to a certain extent.
The importance of machine tool probes
It can be seen from the function of the machine tool probe mentioned above that the machine tool probe can be automatically mounted, automatically recorded and automatically calibrated because it is directly mounted on the machine tool, which reduces the machining process, reduces the labor cost, and improves the machining accuracy of the machine tool. And have a positive effect on efficiency.
At present, China's machine tool manufacturing industry is at a low level, and there is still a lack of precision and stability in machine tools. Some people think that machine tool probes are an effective means to improve the machining accuracy and efficiency of domestic machine tools, and can help ordinary machine tools achieve a qualitative leap at a lower cost.
How to choose a machine tool probe
After reading so much, some readers have to ask, since the machine tool probe is so good, how to choose the right probe for the machine?
1, according to the processing pick head
The enterprise can flexibly select the probe according to the processing needs. For example, if the workpiece needs to be measured and calibrated during machining, the workpiece inspection probe can be selected; for the tool inspection, the tool inspection probe is selected. In addition, it is also possible to select a machine tool probe depending on the complexity of the machining. For example, when machining complex workpieces, 3D machine tool probes are used, and 2D machine tool probes are used when machining simple workpieces.
2, choose the right stylus
As an important component of the machine tool probe measurement system, the stylus directly affects the measurement results of the machine tool probe. Therefore, the company can use the stylus as a reference when selecting the probe
In general, the selection of styli adheres to three principles, namely rigidity, precision and processing environment. When the hardness of the workpiece is high, it is necessary to select a rigid stylus, such as a stainless steel stylus or a tungsten carbide stylus. Otherwise, the rigidity of the stylus can be reduced. When the machining accuracy of the workpiece is high, the measurement accuracy of the stylus is also To increase, generally speaking, the shorter the measuring rod, the larger the diameter of the measuring ball or the smaller the number of stylus components, the higher the measuring accuracy of the machine tool probe; in addition, if the vibration during processing is large, the anti-selection is required. Strong stylus for vibration performance, such as carbon fiber stylus.
Machine tool probes are important auxiliary devices in machine tool processing. CNC machine tools can be used to improve machine tool accuracy and efficiency at a lower cost. For companies that want to improve the machining performance of their machines, it is a simple and convenient way to try to install a machine tool probe.
