scholarly journals ON THE EFFICIENCY OF DIGITAL PRODUCTION FOR MANUFACTURING QUALITY OF IMPORT-SUBSTITUTED PRODUCTS.

2021 ◽  
Vol 103 (11) ◽  
pp. 101-123
Author(s):  
Arthur Alexander Blagorodov ◽  
◽  
Vladimir Timofeevich Prokhorov ◽  
Tatiana Pavlovna Lopatchenko ◽  
Galina Yurievna Volkova ◽  
...  
Keyword(s):  
Manufacturing Quality ◽  
Digital Production

scholarly journals Research on the Manufacturing Quality of Co-Cured Hat-Stiffened Composite Structure

Materials ◽  
2021 ◽  
Vol 14 (11) ◽  
pp. 2747
Author(s):  
Xiangwen Ju ◽  
Jun Xiao ◽  
Dongli Wang ◽  
Cong Zhao ◽  
Xianfeng Wang
Keyword(s):  
Composite Structures ◽  
Sound Pressure ◽  
Integration Method ◽  
Complex Geometry ◽  
Sound Field ◽  
Thickness Measurement ◽  
Curing Process ◽  
The Finite Element Method ◽  
Manufacturing Quality

The stringer-stiffened structure is widely used due to its excellent mechanical properties. Improving the manufacturing quality of stringer-stiffened structure which have complex geometry is important to ensure the bearing capacity of aviation components. Herein, composite hat-stiffened composite structures were manufactured by different filling forms and bladders with various properties, the deformation of silicone rubber bladder in co-curing process was studied by using the finite element method. The thickness measurement at different positions of the hat-stiffened structure was performed to determine the best filling form and bladder property. Moreover, in view of the detection difficulties in R-zone of stringer, numerical simulation was performed to get the sound pressure and impulse response of at the R-zone of stringer by Rayleigh integration method, and an effective equipment which could stably detect the manufacturing quality of R-zone was designed to verify the correctness of sound field simulation and realize the detection of stringer. With the optimum filling form and bladder properties, hat-stiffened composites can be manufactured integrally with improved surface quality and geometric accuracy, based on co-curing process.

Forecasting Manufacturing Quality and Optimizing Product Robustness Using Process Capability Data

Manufacturing ◽  
2003 ◽  
Author(s):  
Daniel Kern ◽  
Xiaoping Du ◽  
Agus Sudjianto
Keyword(s):  
Probabilistic Approach ◽  
Process Capability ◽  
Simulation Models ◽  
Design Parameters ◽  
Set Design ◽  
Manufacturing Quality ◽  
Design Engineers ◽  
Parameter Values ◽  
Manufacturing Variation

A company’s success is highly dependent on its ability to manufacture quality products. Designing products that can be manufactured to meet customer needs with an acceptable level of variation is challenging because design engineers are often unfamiliar with the company’s manufacturing capability or are unable to effectively use the capability data to improve a design. The authors present an approach to forecast the manufacturing quality of a product and optimize its robustness while it is being designed. The system comprises a database that stores process capability data and simulation models to simulate process capability data when actual, appropriate data are nonexistent. These data and tools are used with a new probabilistic approach through the inverse reliability strategy to optimize the robustness of a design by locating values of design parameters that enhance the performance of the design and are insensitive to manufacturing variation. Design engineers can use this approach to set design parameter values that will improve the functionality of the product while ensuring it can be produced with high capability. This approach is demonstrated with a design example of an engine valvetrain.

Numerical Prediction of Manufacturing Error in Sliding Panel Structure

2010 ◽  
Vol 102-104 ◽  
pp. 675-680 ◽  
Author(s):  
Zhi Xin Li ◽  
Shi Ming Ji ◽  
Xun Lv ◽  
Si Chang Xiong ◽  
Shen Shun Ying ◽  
...  
Keyword(s):  
Numerical Study ◽  
Single Point ◽  
Numerical Prediction ◽  
Interfacial Coupling ◽  
Coupling Interaction ◽  
Oil Film ◽  
Manufacturing Error ◽  
Manufacturing Quality ◽  
Supporting Element

The present work focuses on the numerical prediction of the manufacture quality of a sliding panel structure, in which the mobile components are floating on the immobile components and the 0.002mm thickness oil-film clearance between the mobile and immobile components. The interaction between them is the interfacial coupling interaction. A single-point spring-damping supporting element is introduced to simulate this type of interaction traditionally, in which the torsion of the mobile components is increasing with the supporting element reduced. To analogy the interfacial coupling interaction, the finite centrality supporting method is introduced to study the thin oil-film effect between the mobile and immobile components. And the manufacturing quality is predicting through the numerical study. Compared with the results derived from the numerical and experiments, the manufacturing error is in accordance with each other.

scholarly journals QUALITY ASSURANCE OF ADDITIVE MANUFACTURING THROUGH LAYER-BY-LAYER CONTROL SYSTEM

2018 ◽  
pp. 17-24
Author(s):  
A. V. Chabanenko ◽  
V. O. Smirnova ◽  
A. O. Smirnov ◽  
N. N. Rozhkov
Keyword(s):  
Quality Assurance ◽  
Control System ◽  
Structural Features ◽  
Additive Technologies ◽  
Industrial Robots ◽  
Layer By Layer ◽  
Digital Production ◽  
Automated Lines ◽  
Layer Control

Today additive technologies are one of the most dynamically developing types of «digital» production. They allow to achieve acceleration of the solution of problems of preparation and adjustment of production and are already actively applied and to production of finished goods. Additive technologies are a part of industrial robots (IR). On their basis there is a possibility of the organization of complexes with a possibility of fast adjustment and readjustment which, in the majority, are intended for building in the flexible automated lines of additive production. The greatest efficiency of automation of layer-by-layer synthesis at the expense of IR can be reached due to the comprehensive approach to a question of creation and introduction of quality assurance systems considering features of structure and mechanisms of work of the additive installation. To control the quality of layer-by-layer synthesis by means of the control system of the additive installation, it is necessary to take into account the structural features of the 3D-Lapper. An important role in the work of additive plants is played by the properties of the polymers used in bulk printing, which affect the quality of the final product.

The Application of SPC in the Quality Management System of the Working Procedure in the Production Shop

2009 ◽  
Vol 16-19 ◽  
pp. 1010-1014
Author(s):  
A Chun Wang ◽  
Li Ji ◽  
Li Gang Qu ◽  
Lei Zhang
Keyword(s):  
Quality Management ◽  
Management System ◽  
Quality Management System ◽  
Quality Parameter ◽  
Manufacturing Cost ◽  
Control Cost ◽  
Digital Production ◽  
Production Shop ◽  
Working Procedure

On the basis of analysing the quality of traditional working procedure in the production shop, this paper proposes the application of SPC into the quality management system of production shop with the combination of manufacturing conditions in current digital production shop. From the view of selecting the quality parameter of critical manufacturing procedure, this paper diagnoses, analyzes and monitors the quality of the data to promote the application of the quality management system in the digital production shop so as to reduce the manufacturing cost and the quality control cost in the manufacturing process.

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