On-machine quality detecting system for complex space type surface

A detection system and space technology, applied in the direction of mechanical measuring device, general control system, control/regulation system, etc., to achieve the effect of low time cost, ensure processing accuracy, and improve production efficiency

Active Publication Date: 2009-01-14
TIANJIN UNIV
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

[0003] Therefore, offline measurement methods such as conventional measuring tools or three-coo

Method used

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  • On-machine quality detecting system for complex space type surface
  • On-machine quality detecting system for complex space type surface
  • On-machine quality detecting system for complex space type surface

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Embodiment Construction

[0022] Below in conjunction with accompanying drawing, the implementation of the present invention is described as follows:

[0023] exist figure 1 In , the tactile three-coordinate measuring probe is mounted on the machine tool spindle through a standard taper shank. The connection between the two is very simple, but attention should be paid to the alignment of the measuring head and the axis of the spindle. The main function of the probe is to collect points on the surface of the workpiece. When the measuring end of the probe touches the surface of the workpiece, a trigger signal is sent and transmitted to the signal receiving device. The signal receiving device is installed at an appropriate position of the machining center to receive the trigger signal from the measuring head, and after necessary signal conditioning, transmit the signal to the numerical control system of the machining center. The measuring head is a sensor. Since the signal transmission between the probe...

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Abstract

The invention discloses a complex space surface on-machine quality test system, comprising a processing center, three coordinate probes and a measuring signal receiver. The processing center is used to process parts and is equipped with an open numerical control system. The probes are controlled by the numerical control system of a numerically controlled machine tool, and are used to obtain the geometrical measurement value of the discrete points on the surface of the workpiece which has been processed. The measuring signal receiver is used to receive the infrared signals sent by the probes, and transmits the signals to the numerical control system. The numerical control system transmits the measurement value signals to the computer of the user through a communication system, and controls the main shaft of the numerically controlled machine tool to stop moving at the same time. The computer of the user which is provided with a measurement control and error evaluation module is used to exchange data with the numerical control system through the communication system, and evaluates the error and gives an evaluation result based on the ideal value and measurement value of measuring points through the measurement control and error evaluation module. The complex space surface on-machine quality test system can inspect the quality of the workpiece at any moment during processing, guarantees the processing precision of the workpiece, and saves time.

Description

technical field [0001] The invention relates to a processing quality inspection system for workpieces in a machining center, in particular to an on-machine inspection system that runs on a machining center and uses a high-precision measuring head to automatically detect the quality of workpieces with complex spatial profiles. Background technique [0002] In the process of CNC machining, the traditional method of measuring workpieces uses various conventional measuring tools (dial gauges, calipers, etc.) or equipment (three-coordinate measuring machines, etc.). For simple geometric measurement, the operator can directly use the measuring tool on the CNC machine tool to measure; for more complex measurement problems such as the geometric characteristics or spatial position of the workpiece, the operator must transfer the workpiece to three-coordinate measurement because the conventional measuring tool cannot solve it. On board. As a precision measuring equipment, three-coord...

Claims

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Application Information

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IPC IPC(8): B23Q17/20G01B5/008G05B19/406
Inventor 何改云郑惠江刘健刘清建
Owner TIANJIN UNIV
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