Numerical Evaluation and Influence of Product Quality and its defects Measures on the drawing of Stainless Steel Cross Member for Automobiles

2019 ◽  
Vol 11 (1) ◽  
Author(s):  
S.P. Sundar Singh Sivam ◽  
Ganesh Babu Loganathan ◽  
K. Saravanan ◽  
V.G. Umasekar ◽  
S. Rajendrakumar
Keyword(s):  
Metal Forming ◽  
Trial And Error ◽  
Financial Loss ◽  
Forming Process ◽  
Strict Adherence ◽  
Industrial Enterprises ◽  
Forming Parameters ◽  
Cross Member ◽  
Quality Of Products

Industrial enterprises increasingly demand optimum quality of products keeping in consideration a strict adherence where forming parameters are concerned. As far as incorporating the vital forming process upon an assortment of materials is concerned, it has grown excruciatingly challenging for industrial enterprises for laying out the adequately precise and suitable parameters. The flaws that are engendered during the process of sheet metal forming are inevitable. Flaws of this nature can be, however, kept within minimal proportions by introducing variations into the process parameters by Trial and Error methodology. This evidently results in a subsequent financial loss, not to mention an irrevocable loss of time and material. Dynaform simulation of defects combined with optimization is carried out with the help of Minitab. This method, as can be conjectured with considerable ease, yields optimum results, for it replaces much to our convenience the need for specialist industrial expertise besides leading to considerable savings in cost, time and material. This study would optimize the SS304sheet metal forming parameters FLD, thickness and thinning with three input parameters, namely, the lower binder force, tool travel velocity and binder close velocity.

scholarly journals The Effect of Process Parameters in Helical Rolling of Balls on the Quality of Products and the Forming Process

Materials ◽  
2018 ◽  
Vol 11 (11) ◽  
pp. 2125 ◽  
Author(s):  
Janusz Tomczak ◽  
Zbigniew Pater ◽  
Tomasz Bulzak
Keyword(s):  
Metal Flow ◽  
Experimental Tests ◽  
Rolling Process ◽  
Helical Rolling ◽  
Forming Process ◽  
University Of Technology ◽  
Quality Of Products ◽  
Skew Rolling

This paper presents selected numerical and experimental results of a skew rolling process for producing balls using helical tools. The study investigates the effect of the billet’s initial temperature on the quality of produced balls and the rolling process itself. In addition, the effect of billet diameter on the quality of produced balls is investigated. Experimental tests were performed using a helical rolling mill available at the Lublin University of Technology. The experiments consisted of rolling 40 mm diameter balls with the use of two helical tools. To determine optimal rolling parameters ensuring the highest quality of produced balls, numerical modelling was performed using the finite element method in the Forge software. The numerical analysis involved the determination of metal flow kinematics, temperature and damage criterion distributions, as well as the measurement of variations in the force parameters. The results demonstrate that the highest quality balls are produced from billet preheated to approximately 1000 °C.

Justifi cation of the possibility of placing industrial facilities in empty, previously operating manmade enterprises

2019 ◽  
pp. 248-251
Author(s):  
R. S. Gildenskyold ◽  
T. K. Tatyanyuk ◽  
N. A. Gorelenkova ◽  
L. V. Prokopenko ◽  
A. V. Lagutina ◽  
...  
Keyword(s):  
Industrial Area ◽  
Industrial Complex ◽  
Industrial Emissions ◽  
Industrial Facilities ◽  
Industrial Enterprises ◽  
Future Production ◽  
Industrial Buildings ◽  
Quality Of Products ◽  
The Impact

The common methods of rapid implementation of commissioning of low-power private production should include the development of entrepreneurs on the basis of lease/purchase of empty industrial buildings, previously operating as part of an industrial facility located in the existing industrial area and represented or individual enterprises, or complex production of various industrial orientation, or provided for the reconstruction of a private enterprise already operating in a particular technogenic zone with an increase in its capacity.The possibility of placing diversifi ed industrial enterprises in a functioning industrial complex with the justifi cation of excluding the probability of the impact of industrial emissions of each of the newly placed or reconstructed facilities on the quality of products manufactured for the needs of the population is considered.The technical level of future production, the envisaged measures to prevent the formation and capture of air pollutants in General meet modern requirements for the safety of enterprises and for workers and for the population, the  optimization of working conditions.

Characterization of lubricants for metal forming by means of an oscillating tribo-test-rig

2009 ◽  
Vol 223 (5) ◽  
pp. 817-826 ◽  
Author(s):  
C Monetti ◽  
S Ilo ◽  
T Lebersorger
Keyword(s):  
Metal Forming ◽  
Testing System ◽  
Test Rig ◽  
Efficient Technology ◽  
Load Range ◽  
Quality Of Products ◽  
Cold Metal ◽  
Increasing Load

Cold metal forming is a versatile and very efficient technology in the manufacture of metal components. In cold metal forming processes high pressure is generated at the tool-workpiece interface, so that good lubrication is required to reduce wear. This improves tool life and the quality of products. The lubricants used in the forming processes usually contain appropriate basis oils with anti-wear (AW) and extreme pressure (EP) additives. In order to examine how wear occurs during cold metal forming, the SRV (Schwingung Reibung Verschleiss) reciprocating-sliding tribometer equipped with a cylinder-on-disc line- contact testing system was adapted and used to characterize lubricant behaviour. Friction coefficient and wear rate were determined under progressively increasing load conditions. The final worn volumes of the flat and the cylinder were evaluated by using optical microscopy methods. The measurement system was validated by replicate tests using some commercially available forming lubricants as reference in a load range of 100-1000 N. The oscillating tribo-test-rig can be used to characterize lubricants for cold metal forming processes by testing the combined effects of different additive systems and their interaction with contacting materials.

scholarly journals Formation of a Management System for the Innovatively Oriented Development of Enterprises: The Theoretical Aspects

2021 ◽  
Vol 4 (519) ◽  
pp. 294-301
Author(s):  
T. M. Shelest ◽  
Keyword(s):  
Management System ◽  
Enterprise Management ◽  
System Management ◽  
Social Production ◽  
Industrial Enterprises ◽  
Strategy Planning ◽  
Enterprise Management System ◽  
Quality Of Products ◽  
Strategic Perspective

The article is aimed at consolidating the theoretical aspects of formation of a management system for innovatively oriented development of enterprises. According to the results of the carried out research, it is identified that modern industrial enterprises are in a crisis state, which causes the need to develop an economically substantiated program for their reform, focusing on expanding innovation-technological activities and increasing investments in the real sector of the economy, as well as increasing the efficiency of their use. It is defined that the need for research, namely, the formation of a management system for innovatively oriented development of enterprises, is determined by its role in accelerating the growth rate of social production, improving the quality of products and increasing scientific-technological progress, which are the main directions of economic strategy, planning and forecasting of production. The results of the analysis of the economic essence of the concepts of «management», «system», «management system», «innovations», «development» and «innovative development» allowed to define that a management system for the innovatively oriented development of enterprises represents an orderly set of elements interaction, which is directed towards the continuous and comprehensive process of introducing innovations for the formation of efficient activity in the strategic perspective, taking into account the factors of internal and external environment together with the laws of development of social production aimed at concentration, parallelism, adaptability and rhythmicity of the enterprise management system.

scholarly journals Effects of innovation activity in industrial enterprises in Eastern Poland

2015 ◽  
Vol 6 (2) ◽  
pp. 53 ◽  
Author(s):  
Katarzyna Szopik-Depczyńska
Keyword(s):  
Innovation Policy ◽  
Innovation Activity ◽  
Probit Regression ◽  
Regional Innovation ◽  
Industrial Enterprises ◽  
Industrial Companies ◽  
Quality Of Products ◽  
Main Effects ◽  
The Relationship

Implementation of innovation in the field of product, process, organization and/or marketing, as part of the competitive struggle, is therefore linked to the achievement of various objectives and effects. The main objective of the study was to describe the relationship between the different effects of innovation activity and the extent of innovative activity of industrial enterprises, such as investment in innovation and implementation of innovative solutions. The survey had been conducted in years 2010-12 in 1067 industrial companies, operating in Eastern Poland (Warmia-Mazury, Podlasie, Lublin, Świętokrzyskie and Podkarpackie voivodeships). The methodological part of the analyses is based on the probability calculus - probit regression. Industrial enterprises in Eastern Poland indicated on improved quality of products offered on the market and increased range of products as the main effects of innovation activity. Analysis of innovation activity phenomena characterized in the article may have an impact on the perception of regional innovation policy, in terms of its nature and direction, as well as the vital question of the effectiveness of instruments of supporting innovativeness of industrial enterprises in Eastern Poland.

The Optimal Parameters Design of Drawing for the Y Type Teeth Using Four Y-Slot Die-Wheel

2013 ◽  
Vol 634-638 ◽  
pp. 2889-2893
Author(s):  
Jui Chang Lin ◽  
Bean Yin Lee ◽  
Dai Jia Juan
Keyword(s):  
Simulation Analysis ◽  
Poor Performance ◽  
Design Parameters ◽  
Drawing Process ◽  
The Finite Element Method ◽  
Forming Process ◽  
Slot Die ◽  
Quality Of Products ◽  
High Level

Zipper manufacturer always requires Y type zipper to design clothes. To meet the huge global demand, the high-precision forming process is required to improve production speed and production accuracy. The basic component of Y type zipper is the metal Y type teeth. The poor design of drawing process without optimization will result in bad quality of products. The most common defects of Y type teeth drawing process included (1) the teeth size error caused zipper sudden opening, two rows of Y type teeth cannot be close together; (2) zipper does not pull smoothly, it needs more pull force; (3) too much residual material cause higher cost and poor performance; (4) unstable quality cannot reach the standard of high level zipper. This article uses the finite element method to simulate the drawing process of copper Y type teeth. Computer-aided analysis software ABAQUS CAE is applied to execute drawing process simulation analysis and to obtain the optimal design parameters of drawing. Based on the best modeling of the FEM prediction, the complicated relationships between the experiment drawing Y-slot die parameters and the max. deformed can be obtained, the max. deformed error is 7%.

scholarly journals Study on signs of defects in the image of the surface of flat-rolled products

2021 ◽  
Vol 304 ◽  
pp. 02013
Author(s):  
Oksana Logunova ◽  
Palvan Kalandarov ◽  
Evgeny Garbar ◽  
Makhmud Abdullaev ◽  
Nodira Alimova ◽  
...  
Keyword(s):  
New Technologies ◽  
Steel Strip ◽  
False Negative ◽  
Inspection System ◽  
Identification System ◽  
Industrial Enterprises ◽  
Sheet Products ◽  
Quality Of Products

Currently, more and more challenges of modern industrial enterprises require an increase in the reliability of the information on the quality of products. This becomes possible when using digital technologies to assess the quality of products. The cited publication discusses the technology for recognizing defects in the surface of sheet products in images obtained from cameras of the strip inspection system during rolling. The authors proposed a classification of the signs of defects in the image and highlighted the most significant of them also suggested using geometric, optical and spectral features for images of flat-rolled products containing defects of different classes. The research results at this stage, obtained during the processing of digital images, showed that to identify a defect and reduce false-positive and false-negative alarms of the automated defect identification system, it is required to conduct a study of interval estimates and make decision-making rules based on intersection and merging of intervals; introduce additional classes that allow the introduction of signs that characterize the irregularity of the shape of defects and the characteristic location; the use of new technologies of soft computing will reveal the hidden patterns of the manifestation of defects in the images of the surface of the steel strip.

Developments in Tribology of Manufacturing Processes

2020 ◽  
Vol 142 (11) ◽  
Author(s):  
S. R. Schmid ◽  
P. K. Saha ◽  
J. Wang ◽  
T. Schmitz
Keyword(s):  
Metal Forming ◽  
State Of The Art ◽  
The State ◽  
Manufacturing Processes ◽  
The Past ◽  
Quality Of Products

Abstract Tribology in manufacturing has seen tremendous development in the past 100 years and essentially was transformed from a known and unavoidable nuisance to a sophisticated discipline. This is demonstrated by the reliability and quality of products that result in modern metal forming and cutting. This paper provides a brief summary of the state-of-the-art in manufacturing tribology, discussing some of the important developments in the field.

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