Optimization of the measurement path for the car body parts inspection

Teodor, Virgil; Păunoiu, Viorel; Susac, Florin; Baroiu, Nicușor

doi:10.1016/j.measurement.2019.06.002

Cited by 10 publications

(5 citation statements)

References 12 publications

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“…Recently, Tsagaris and Mansour [30] developed a hybrid path-optimization algorithm based on ant colony optimization (ACO) and GA and reduced the inspection time by 50%, in comparison to the general GA procedure. Optimization algorithms derived from matrix relaxation technique and nearest neighbor approach were executed by Teodor et al [31] for car body parts. ey achieved a 10% improvement and 20% enhancement, respectively, in contrast to the routes acquired with commercial programs.…”

Section: Literature Reviewmentioning

confidence: 99%

Path Planning and Setup Orientation for Automated Dimensional Inspection Using Coordinate Measuring Machines

Abdulhameed

Al-Ahmari

Mian

et al. 2020

Mathematical Problems in Engineering

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Inspection planning is considered an essential practice in the manufacturing industries because it ensures enhanced product quality and productivity. A reasonable inspection plan, which can reduce inspection costs and achieve high customer satisfaction, is therefore very important in the production industry. Considerations such as preparations for part inspection, measuring machines, and their setups as well as the measurement path are described in an inspection plan which is subsequently translated into part inspection machine language. Therefore, the measurement of any component using a coordinate measuring machine (CMM) is the final step preceded by several other procedures, such as the preparation of the part setup and the generation of the probe path. Effective measurement of components using CMM can only be done if the preceding steps are properly optimized to automate the whole inspection process. This paper has proposed a method based on artificial intelligence techniques, namely, artificial neural network (ANN) and genetic algorithm (GA), for fine-tuning output from the different steps to achieve an efficient inspection plan. A case study to check and validate the suggested approach for producing effective inspection plans for CMMs is presented. A decrease of nearly 50% was observed in the travel path of the probe, whereas the CMM measurement time was reduced by almost 25% during the actual component measurement. The proposed method yielded the optimum part setup and the most appropriate measuring sequence for the part considered.

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Section: Literature Reviewmentioning

confidence: 99%

Path Planning and Setup Orientation for Automated Dimensional Inspection Using Coordinate Measuring Machines

Abdulhameed

Al-Ahmari

Mian

et al. 2020

Mathematical Problems in Engineering

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“…Determination of the intermediate surface in contact with the blank (generating rack-gear tool), in the form of a linear contact; 2. Being known the generating rack-gear tool, its linear contact with the primary peripheral surface of the future hob tool is determined [4][5][6].…”

Section: Introductionmentioning

confidence: 99%

Profiling of the Hob Tool for Worm Shafts Deformation

TEODOR¹,

MOROSANU²,

BAROIU³

et al. 2023

JESR

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The paper presents an algorithm for profiling the hob tool designed to generate by plastic deformation the worm shafts from the composition of worm-wheel gear type, used in the seat adjustment mechanisms of some Audi and Mercedes cars. The active surface of the hob tool is a cylindrical helical surface of constant pitch. Two such tandem tools are used for deformation, the semi-finished product being positioned between them. During generation, the tools rotate around their own axes, which, combined with their helical surface, causes a helical movement of the blank. The active surfaces of the tools are mutually winding on the helical flanks of the generated worm. In the paper, two applications were developed for the generation of worms whose dimensions were determined by 3D scanning.

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“…Reverse engineering is the process of analyzing a realworld object or environment in order to collect data on its shape, structure and appearance, so that it can be used later to construct digital 3D models (Akerdad et al, 2021). The worm-type pieces existing in the structure of helical pumps and compressors, are working bodies whose profiles include different shapes, such as circle arcs, straight segments, helical curves, involutescycloids, cycloidal curves or various non-analytical curves (Baroiu, Popa et al, 2017, Teodor et al, 2018, Yan et al, 2017, Baroiu, Berbinschi et al, 2017. Studying the energy efficiency problems of these pumps and compressors involves establishing mathematical models of their profiles, comparing various geometric parameters or using graphical methods that can sometimes be considered difficult or time consuming methods (Dong et al, 2019, Joshi et al, 2020, Malov, 2020.…”

Section: Introductionmentioning

confidence: 99%

Use of Reverse Engineering Techniques for Inspecting Screws Surfaces of a Helical Hydraulic Pump

Baroiu¹,

Moroșanu²,

Teodor³

et al. 2022

IJMMT

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Recently, 3D measurement systems have developed more and more in various fields. With the help of 3D measuring systems, the measurement time in design, manufacture, assembly and production is substantially reduced. In this paper, it is proposed to redesign two pieces of a helical pump (driver and driven screws) based on numerical models obtained by scanning. These models are obtained based on the processing of point clouds resulting from the 3D scanning of the respective pieces. After completing the actual scanning process, the numerical models were measured using specific software to determine the dimensional characteristics and their modeling was performed in a computer-aided design program. Subsequently, the inspection was performed by overlapping the scanned model and the CAD model of each piece, in order to be able to compare the analytical models with the real pieces. This comparison allows to appreciate the degree to which the analytical model obtained by redesign corresponds to the real piece. In this way, the ability of future pieces obtained based on the analytical model to be able to accomplish the desired functional role can be appreciated.

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Optimization of the measurement path for the car body parts inspection

Cited by 10 publications

References 12 publications

Path Planning and Setup Orientation for Automated Dimensional Inspection Using Coordinate Measuring Machines

Path Planning and Setup Orientation for Automated Dimensional Inspection Using Coordinate Measuring Machines

Profiling of the Hob Tool for Worm Shafts Deformation

Use of Reverse Engineering Techniques for Inspecting Screws Surfaces of a Helical Hydraulic Pump

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