Roundness measuring system and method

A roundness measurement and measurement system technology, which is applied in the field of measurement systems, can solve problems such as damage to the workpiece surface, large measurement errors, and workpieces that cannot be measured, so as to avoid damage and improve measurement accuracy and efficiency.

Inactive Publication Date: 2006-12-27
HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
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Problems solved by technology

However, this measurement method has a large measurement error
[0004] In addition, there is another roundness measurement method that uses a contact probe to measure, but the contact probe will contact with the workpiece to be measured and cause friction, which will cause damage to the surface of the workpiece due to friction. In addition, some materials are relatively thick. Soft workpieces cannot be measured with a touch probe

Method used

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  • Roundness measuring system and method

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Embodiment Construction

[0015] see figure 1 and figure 2 , the roundness measurement system 10 of the preferred embodiment of the present invention, the roundness measurement system 10 includes: a laser light source system 101 , a rotating device (not shown in the figure) and a sensing system 102 . The laser light source system 101 is composed of a laser light source 1011 and a plurality of lenses 1022 , which can emit a parallel laser beam 103 . The rotating device is disposed between the laser light source system 101 and the sensing system 102 . A workpiece 104 to be measured for roundness can be mounted on the rotating device, and the axis of the workpiece 104 is perpendicular to the laser beam 103 . Sensing system 102 includes a sensor 1021, an information processing module (not shown) and a display interface (not shown), in the information processing module, a database of light intensity signal and roundness conversion relationship is established, and the sensor 1021 senses The light intensit...

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Abstract

The invention relates to a circular degree measuring system and relative method, wherein the system comprises a laser light source system, a rotation device, and a sensing system. The rotation system is installed between the laser light source system and the sensing system. The rotation device can be fixed with a work-piece that needs to be measured at circular degree. The laser light source system can send a laser light beam and the axis of the work-piece is vertical to the laser light beam. The method includes such steps: first, providing measuring system and a work-piece; second, fixing the work-piece on the rotation device; third, starting laser light source system to send beam to the work-piece; rotating the measured work-piece via the rotation device; then, opening the sensing system to sense the light intensity signal and measuring the circular degree of the work-piece. Therefore, the invention can use laser to process accurate and quick measurement, with improved accuracy and the measuring efficiency.

Description

【Technical field】 [0001] The invention relates to a measuring system and method, in particular to a roundness measuring system and method. 【Background technique】 [0002] With the development trend of miniaturization and light weight of 3C products, the requirements for precision molds and precision machining technology are rapidly increasing when manufacturing 3C products. Roundness tolerance for symmetrical workpieces. [0003] Roundness tolerance is a tolerance for scientifically evaluating the surface quality of parts. In the prior art, there are two traditional methods for measuring roundness. One is to measure with a rotary roundness meter, and the other is to measure with a V-shaped block. The rotary roundness meter requires a high-precision value reference shaft system as a reference, and the manufacturing cost is very high. Therefore, the rotary roundness meter is expensive, and at the same time, there are many restrictions on the workpiece to be measured, and many...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/24
CPCG01B11/2433
Inventor 简扬昌
Owner HONG FU JIN PRECISION IND (SHENZHEN) CO LTD
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