A special fixture for gom three-dimensional optical scanner

Abstract

The invention discloses a special fixture for a GOM three-dimensional optical scanner, which is characterized in that it includes a base, a double-headed screw, a reference point adhesive sleeve, a mandrel and a lock nut, and a central positioning hole is arranged in the center of the top surface of the base. The mandrel is installed in the positioning hole at the center of the top surface of the base, and there are several radial threaded holes evenly distributed along the circumferential direction on the outer wall of the base, and the threaded holes communicate with the positioning hole at the center of the top surface of the base, and the double-ended screw is installed on the base In the radial threaded hole, the reference point paste sleeve is positioned and installed on the double-ended screw rod, the lock nut is installed on the head of the double-ended screw rod and the lock nut is pressed on the bottom surface of the center groove of the reference point paste sleeve. The invention works stably and reliably, and is easy and convenient to operate during installation, maintenance and replacement. It can be used to measure various pressure impellers, and is not limited by the clamping quality. The turntable can greatly improve the measurement efficiency.

Description

technical field [0001] The invention belongs to the technical field of tooling for three-dimensional optical scanning equipment, and in particular relates to a special fixture for a GOM three-dimensional optical scanner. Background technique [0002] The engine turbocharger pressure impeller is mostly processed by GOM 3D optical scanner for size confirmation. In the past, reference points were often pasted on the surface of parts when measuring parts. There are three disadvantages: 1. It is necessary to spray a layer of white metal powder on the surface of parts during measurement, which will reduce the adhesion of reference points, so pasting reference points is time-consuming; 2. .Due to the complex shape of the impeller parts, it is difficult to read the reference points pasted on the surface of the parts, and the measurement efficiency is low; 3. There are no actual measurement elements at the reference points after the measurement is completed, which has a slight impact...

AI Technical Summary

Problems solved by technology

In the past, reference points were often pasted on the surface of parts when measuring parts. There are three disadvantages: 1. It is necessary to spray a layer of white metal powder on the surface of parts during measurement, which will reduce the adhesion of reference points, so pasting reference points is time-consuming; 2. .Due to the complex shape of the impeller parts, it is difficult to read the reference points pasted on the surface of the parts, and the measurement efficiency is low; 3. There are no actual measurement elements at the reference points after the measurement is completed, which has a slight impact on the overall evaluation of the parts

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