Analysis of Dimensional Accuracy of Blade of Aircraft Engine Using a Coordinate Measuring Machine

Budzik, G.; Kubiak, Krzysztof; Zaborniak, M.; Przeszłowski, Łukasz; Dziubek, T.; Cygan, Rafał; Tutak, M.; Matysiak, H.

doi:10.5604/12314005.1133862

Cited by 6 publications

(8 citation statements)

References 5 publications

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“…When the tip clearance is lower than 2 mm, the measurement is less sensitive due to the near-field effect of the microwave sensors. 48 Figure 7. The system diagram of a microwave method based on phase ranging.…”

Section: Microwave Methods Based On Phase Rangingmentioning

confidence: 99%

“…When the tip clearance is lower than 2 mm, the measurement is less sensitive due to the near-field effect of the microwave sensors. 48…”

Section: Blade Tip-clearance Measurement Methodsmentioning

confidence: 99%

“…When the tip clearance is lower than 2 mm, the measurement is less sensitive due to the near-field effect of the microwave sensors. 48 Development history. The first application of this method on a 65-MW gas turbine was reported in 1998.…”

Section: Microwave Methodsmentioning

confidence: 99%

See 2 more Smart Citations

A review of blade tip clearance–measuring technologies for gas turbine engines

Shen

et al. 2020

Measurement and Control

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Blade tip clearance is one of the important parameters affecting the performance, safety and stability of a gas turbine engine. However, it is difficult to measure the tip clearance in real time and accurately during the development and test process of an engine. In order to promote the development of tip clearance–measuring technology and the optimal design of the gas turbine engine, some typical measuring methods of tip clearance and a novel measuring method based on AC discharge are introduced. In this article, the significance for measuring tip clearance of an engine is illustrated first. Then, operating principles, characteristics and developments of those typical measurement approaches are introduced. After that, these methods are analyzed, and the particular characteristic of each measuring approach is summarized.

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Section: Microwave Methods Based On Phase Rangingmentioning

confidence: 99%

“…When the tip clearance is lower than 2 mm, the measurement is less sensitive due to the near-field effect of the microwave sensors. 48…”

Section: Blade Tip-clearance Measurement Methodsmentioning

confidence: 99%

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A review of blade tip clearance–measuring technologies for gas turbine engines

Shen

et al. 2020

Measurement and Control

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“…The studies on the geometry of selected elements are usually carried out with the application of so-called coordinate measuring machines -CMM. An example of the study of the geometry of the blade of the engine can be found in literature (Budzik et al, 2014). The authors studied the geometry applying two independent instruments i.e., ZEISS ACCURA and WENZEL LH 87 of type CMM.…”

Section: Related Workmentioning

confidence: 99%

Studies on External Geometry of a Plane With Photogrammetric Methods and Laser Scanning

Mikrut

Brzęczek

2020

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci.

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Abstract. The authors of the paper were looking for a simple methods of the examination the airframe structure framework as part of the scientific and research project. The main tasks were: carrying out tests and analyses in defining external geometry of a selected plane with three independent methods i.e., geodetic (surveying), photogrammetric and laser scanning and selection of one of these methods as fast and acceptable accurate (below 3 mm) measurement applied to examine plane geometry. The carried out experiments were mainly aimed at answering the question if tested measurement methods give satisfying and acceptable results in case of works referring to the objects such as plane and if the assumed accuracy is realistic to be achieved by these measurement techniques. The authors testing the available on the market methods of the measuring the geometry of planes in the aspect of the selection of most accurate, but at the same time, fast measurement method. Thus three independent methods were tested: classical geodetic measurement, laser scanning by means of two independent scanners and photogrammetric method (based on the generated cloud of points). Experiments carried out so far in various centres worldwide usually included measurements of single elements or small models of planes. In surveying measurements of large objects, mainly buildings are predominant (e.g. surveying or photogrammetry in the inventory of historic architectural monuments, studies of the geometry of engineering constructions, etc.). The objective of the experiment carried out by the authors was to find good solution somewhere in the middle, i.e., apply geodetic measurement methods, but apply them for so-called medium-size objects such as planes.

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“…The reliability and efficiency of AOs depend to a large extent on ensuring the geometrical accuracy of their components (parts and assemblies). That is why coordinate measuring machines (CMM) and systems [1][2][3] were, and still are, the most relevant and promising in the aerospace industry. They are used in the execution of many operations of machining, assembling, measurements, as well as reengineering and control operations involving the parts and elements for the preparatory, stamping, and assembly equipment, stretching dies, surface standards, etc.…”

Section: Introductionmentioning

confidence: 99%

Implementation of reengineering technology to ensure the predefined geometric accuracy of a light aircraft keel

Maiorova

Vorobiov

Boiko

et al. 2021

EEJET

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The subject of this research is the technology of reengineering and control of parts of aircraft objects (AOs) and technological equipment for their manufacture. The predefined accuracy of the keel of a light aircraft and molding surfaces of technological equipment for its manufacture has been ensured by using reengineering technology and CAD systems. A portrait of the actual physically existing keel of a light aircraft was built in the *.stl file format using the software Artec Studio (USA). The control and comparison of the geometry of the shapes of the analytical standard with the actual physically existing keel of a light aircraft based on its portrait have been implemented. The methods used are the analysis and synthesis of the experimental geometry of shapes, the method of expert evaluations. The following results were obtained: based on the analysis and synthesis, the presence of significant errors in the accuracy of the manufacture of the keel for a light aircraft in the range from −5.26 mm to +5.39 mm was detected. It has been shown that the key factor is the keel's relative plane indicator, which is outside the tolerance margin and is 85 %. It was decided to fabricate new technological equipment from another material – organic plastics. Control of the technological equipment made from organic plastics for the keel of a light aircraft showed that the shape-forming surfaces of the equipment have appropriate shapes and sizes corresponding to the existing analytical standard and are devoid of inaccuracies that occurred in the previous version. The range of keel margins that was made using the new technological equipment from organic plastics is from –0.51 mm to +0.34 mm while the relative plane of the keel outside the tolerance margin does not exceed 15 %. The study results showed the adequacy of the decisions taken, ensuring the predefined accuracy for the keel of a light aircraft and molding surfaces of technological equipment for its manufacture.

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Analysis of Dimensional Accuracy of Blade of Aircraft Engine Using a Coordinate Measuring Machine

Cited by 6 publications

References 5 publications

A review of blade tip clearance–measuring technologies for gas turbine engines

A review of blade tip clearance–measuring technologies for gas turbine engines

Studies on External Geometry of a Plane With Photogrammetric Methods and Laser Scanning

Implementation of reengineering technology to ensure the predefined geometric accuracy of a light aircraft keel

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