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Articulated-arm three-coordinate measuring machine, multi-measuring model system and workpiece measuring method

A technology of a three-coordinate measuring machine and a measuring model, which is applied to measuring devices, instruments, etc., can solve the problems of low measurement accuracy and only one measuring model for a three-coordinate measuring machine, and achieve the effect of improving the measuring accuracy.

Inactive Publication Date: 2015-02-18
JINGGANGSHAN UNIVERSITY
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Problems solved by technology

[0005] The purpose of the present invention is to provide an articulated arm three-coordinate measuring machine, aiming to solve the problem that the existing three-coordinate measuring machine has only one measurement model and the measurement accuracy is not high

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  • Articulated-arm three-coordinate measuring machine, multi-measuring model system and workpiece measuring method
  • Articulated-arm three-coordinate measuring machine, multi-measuring model system and workpiece measuring method
  • Articulated-arm three-coordinate measuring machine, multi-measuring model system and workpiece measuring method

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[0040] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0041] An articulated arm three-coordinate measuring machine, such as figure 1 As shown, the articulated arm three-coordinate measuring machine includes a base 1, a column 2, a rotary joint 3, an angle encoder 4, a swing joint 5, a measuring arm 6, a rotary joint 7, an angle encoder 8, a swing joint 9, Measuring arm 10, rotary joint 11, angle encoder 12, swing joint 13, and measuring head 14; wherein, the column 2 is installed on the base 1, and the base 1 supports all parts of the measuring machine; the rotary joint 3 and the swing joint 5 constitute An integral connector is installed, and the an...

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Abstract

The invention provides an articulated-arm three-coordinate measuring machine, a multi-measuring model system and a workpiece measuring method. The workpiece measuring method includes the steps: N subareas in measuring machine operating space are planned; a measuring model is built in each subarea, namely N measuring models are built in the operating space; a measurement step includes determining the subarea where a workpiece locates and automatically switching the measuring models corresponding to the subareas in real time; the measuring models are used to calculate geometric coordinates of the workpiece. The articulated-arm three-coordinate measuring machine, the multi-measuring model system and the workpiece measuring method have the advantage that measuring precision of the articulated-arm three-coordinate measuring machine can be improved with no hardware manufacturing cost increased.

Description

technical field [0001] The invention belongs to the technical field of precision measuring devices, and in particular relates to an articulated arm type three-coordinate measuring machine, a multi-measurement model system and a workpiece measuring method. Background technique [0002] With the rapid development of my country's manufacturing industry, advanced measurement and testing instruments have gradually attracted people's attention, and the articulated arm three-coordinate measuring machine is an important new type of precision measuring instrument in measurement and testing. [0003] Because the high-precision articulated arm CMM is expensive, how to use the low-precision articulated arm CMM to achieve high-precision measurement has always been the object of research. [0004] According to the analysis of various domestic and foreign materials, the existing theories and technologies for ensuring the accuracy of the articulated arm CMM mainly use high-precision hardwar...

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Application Information

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IPC IPC(8): G01B21/00G01B21/04
CPCG01B21/00G01B21/04
Inventor 郑大腾尹三凤肖忠跃周燕辉夏翔周太平
Owner JINGGANGSHAN UNIVERSITY
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