In machinery manufacturing, sensor technology is an important link to achieve testing and automatic control. In the mechanical manufacturing test system, it is used as a primary instrument positioning. Its main feature is that it can accurately transmit and detect a certain form of information and convert it into another form of information. Specifically, the sensor refers to those components or devices that have a sense (or response) and detection function for a certain information of the measured object, and convert it into a corresponding output signal according to a certain rule. If there is no sensor to accurately and reliably capture and convert the measured original information, all accurate testing and control will be impossible; even the most modern electronic computer, there is no accurate information (or conversion of reliable data), no distortion Input will not be able to fully play its due role.
In the application of machinery manufacturing, the main characteristics of high-quality sensors are as follows:
Long life, high reliability and strong anti-interference ability;
Meet accuracy and speed requirements
Easy to use and maintain, suitable for machine tool operating environment
low cost
Easy to connect with the computer.
Sensor technology for cutting process and machine tool running process
The purpose of cutting process sensing detection is to optimize the productivity of the cutting process, the manufacturing cost or the (metal) material removal rate. The targets of the cutting process sensing detection include the cutting force and its changes in the cutting process, the chattering of the cutting process, the contact between the tool and the workpiece, the state of the chip during cutting, and the identification of the cutting process. Cutting process vibration, cutting process acoustic emission, cutting process motor power, etc.
For the operation of the machine tool, the main sensing targets are the drive system, bearing and slewing system, temperature monitoring and control, and safety. The sensor parameters include the machine tool downtime and the surface roughness of the workpiece And machining accuracy, power, machine state and cooling lubricant flow, etc.
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