Workpiece Measuring System Based on Five-Axis CNC System

A technology of numerical control system and measurement system, applied in the field of measurement, can solve the problems of complex implementation of acquisition system, lack of versatility and scalability, and poor real-time performance of data acquisition, and achieves high measurement accuracy, low cost, and good real-time performance. Effect
CN102275093AActive Publication Date: 2011-12-14SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI
Publication Date
2011-12-14

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Abstract

The invention aims at providing a workpiece measuring system based on a five-axis numerical control system to solve the problems of the prior art that the real-time property of acquisition of running data of all the axes of the numerical control system is not strong, the acquisition system is complicated to realize, and the numerical control system does not have generality and expansibility. A counting device acquires encoder feedback signals of motor encoders of all the axes of a numerical control machine; a displacement sensor is arranged at the cutter clamping part of the numerical controlmachine, and used for replacing the cutter, detecting the displacement signals from the displacement sensor to the surface of the workpiece and sending the signals to a industrial control machine; and the industrial control machine is used for reading the encoder feedback signals and displacement signals regularly, and processing the encoder feedback signals and displacement signals to obtain a three-dimensional point set of the workpiece. The workpiece measuring system has good real-time property, generality and expandability; and the hardware is connected simply, conveniently and reliably, thus the workpiece measuring system is convenient to use and operate, and has high measuring precision.
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Description

technical field

[0001] The invention relates to technologies such as numerical control machining, computer control and software programming, and belongs to the field of measurement, in particular to a workpiece measurement system based on a five-axis numerical control system. Background technique

[0002] During the measurement process of the numerical control system, the real-time data acquisition of each axis of the numerical control system of the machine tool becomes a key link in the measurement process. The data acquisition of machine tool numerical control system can be roughly divided into the following categories: (1) Based on the standard communication interface of numerical control machine tools. This method is simple to implement, low in cost, and can collect digital and analog signals. However, the real-time performance of the collected data is not good, and the system does not have versatility and scalability; (2) Based on the electrical circuit of the CNC mach...

Claims

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