High-Speed Cropping of Rods and Wire with Superposition of Various Stress Conditions

2015 ◽  
Vol 651-653 ◽  
pp. 132-137 ◽  
Author(s):  
Robinson Henry ◽  
Mathias Liewald
Keyword(s):  
High Speed ◽  
Raw Materials ◽  
High Productivity ◽  
Geometrical Properties ◽  
Study Materials ◽  
Stress Superposition ◽  
The Difference ◽  
Further Development

In the manufacturing of mass products, material and energy costs are an important part of the total costs. Competitiveness in the production of raw materials can only be maintained if waste of material is minimized and a high productivity is ensured. An outcome of these efforts is the further development of conventional cropping. High-speed cropping is characterized by the cropping speed as far as tooling is concerned. The cropping tool is accelerated up to a blade speed of 8 to 10 m/sec. This increase in cropping speed influences the surface quality of the specimens.This paper is mainly focused on the experimental investigation into the high-speed cropping in bulk metal forming. The first part of this investigation presents a comparison between conventional and high-speed cropping to demonstrate the difference between both methods. In this case study, materials of different mechanical strength are examined. The produced specimens are analysed with an optical system (GOM ATOS) to determine their geometrical properties, such as end-face flatness, ovality, and the draw-in of the specimens. The second part examines stress superposition. Here stress is superimposed on the specimens during cutting to trigger off an earlier failure of the investigated material. High-speed cropping with stress superposition is aimed at reducing the draw-in of the investigated samples. The results of this will be compared with the results of the first part to show the difference between high-speed cropping with and without stress superposition.

STRATEGI MENINGKATKAN LOYALITAS KONSUMEN MAKANAN KHAS KOTA CURUP KABUPATEN REJANG LEBONG

2019 ◽  
Author(s):  
Onsardi Onsardi
Keyword(s):  
Swot Analysis ◽  
Raw Materials ◽  
External Factors ◽  
Consumer Loyalty ◽  
Internal Factors ◽  
The Public ◽  
Typical Food ◽  
Internal And External Factors

The title of this study is the Strategy of Increasing Consumer Food Loyalty in CurupCity, Rejang Lebong Regency (Case Study in "Henvian" Typical Food Industry). Thisresearch is based on the importance of strategies in increasing business and consumerloyalty to products sold.Strategies to increase business and consumer loyalty can bedone with a SWOT analysis. Place of this research is the "Henvian" shop that sellstypical Rejang lebong food. The method used in this study is descriptive qualitative.Informants in this study were people who were considered to know for certain about theHENVIAN Specialty Food Store in Curup City, Rejang Lebong Regency. The dataanalysis technique used in this study is a SWOT analysis to determine the strengths,weaknesses, opportunities and threats in a typical Rejang Lebong food business.By using SWOT analysis techniques that consist of strengths (weakness), weaknesses(weakness), opportunities (opportnity) and threats (threath). The results of this studycan be concluded that the internal factors that are the strength of the marketing strategyare the quality of the product that is good at a price affordable to the public andtourists, service that is friendly and responsive to consumer needs, as well astechnological advancements that facilitate the promotion of business. Internal factorsthat are a weakness are often lack of stock, there are some products that do not meet thestandard packaging, the product shelf life is short, employees do not use uniforms.External factors that become opportunities are a fairly high economic community,abundant raw materials while external factors that are a threat are the manycompetitors, an unstable economy, the price of basic needs increases. Based on theresults of the SWOT analysis of internal and external factors, the strategy used is toimprove product quality by improving the appearance of packaging and quality ofcontent and quality of service by providing uniforms to employees and providingstandards of service to consumers. .Keywords: Strategy, Consumer Loyalty, SWOT

ASSESSMENT OF INDOOR ENVIRONMENTAL QUALITY AND OCCURRENCE OF SICK BUILDING SYNDROME IN SMALL OFFICES IN PENANG, MALAYSIA

2015 ◽  
Vol 75 (5) ◽  
Author(s):  
Ang Qiu Mei ◽  
Md Azree Othuman Mydin
Keyword(s):  
Environmental Quality ◽  
Sick Building Syndrome ◽  
Quality Measurement ◽  
Comfort Level ◽  
Working Environment ◽  
Indoor Environmental Quality ◽  
Sick Building ◽  
The Difference

This study was done to investigate the relationship between indoor environmental quality and prevalence of Sick Building Syndrome in six small offices inPenangIsland. Indoor environmental quality measurement was conducted according to relevant standards. There are totally Sixty workers were selected to participate in an electronic questionnaire survey. Questionnaire was used to record the comfort level of respondents in the case studies and level of sick building syndrome faced by respondents. Through indoor environmental quality measurement, it is found that most of the offices facing the lighting and noise problem. The result from the questionnaire shows that in overall, the occupants satisfy with their working environment in term of indoor environmental quality although the result also shows the opinions of occupants on dissatisfaction on certain indoor environmental parameter according to case study. The study also found that most of the occupants feel drowsy and fatigue when they work within the offices. Besides, due to the difference of the indoor environmental quality of the buildings, the occupants are suffered from different symptoms of the sick building syndrome.

scholarly journals Construction sands of Podillya: patterns of distribution, resources and use

2019 ◽  
Vol 27 (3) ◽  
pp. 510-519
Author(s):  
M. Syvyj ◽  
B. Gavrychok
Keyword(s):  
Raw Materials ◽  
Raw Material ◽  
Simultaneous Increase ◽  
Clay Material ◽  
Material Base ◽  
Resource Base ◽  
Apparent Correlation ◽  
The Baltic ◽  
Further Development

This article presents the characteristics of the resource base of building sands within the three Podillya regions, the patterns of sands distribution, and proposals for increasing the extraction of raw materials . The construction sands of Podillya are confined to the Upper Cretaceous, Neogene and Anthropogenicdeposits. The decrease of the thickness of the sandy strata of the Opilsk Neogene suite in the eastern direction was observed with the simultaneous increase in the thickness of the overlapping strata of the rocks. There is no apparent correlation between the thickness of sandy interlayers and the quality of sands. The interdependence of the chemical composition of Neogene sands and the sand size module is established.The genetic predisposition for the distribution of building sands in different parts of the Podillya territory has been established. Four groups of sand deposits of different age have been identified within the Podillya regions, which contrast sharply with single deposits in the neighbouring territories.There is a very uneven distribution of explored reserves of sandy raw materials across the region and accordingly in the provision of construction sands in the different oblasts /regions of Podillya. The areas best provided with sandy raw materials are the central districts of Ternopil region and Slavutsky district of Khmelnytsky region . Sands of the Baltic stage distributed in Vinnytsia region are mostly poor in quality, clogged with clay material and require enrichment. The further development of the mineral raw material base and the prospects for increasing the production of construction sand in the Podillya regions is associated with the increase in production at the prepared deposits, the commissioning of reserve deposits, the conducting of prospecting and exploration work in the proposed potentially exploitable areas and additional exploration of individual deposits that are exploited. The research allows us to evaluate objectively the existing base of sand raw materials for various purposes in the Podillya region and to develop on this basis measures to increase it. The importance of the study is determined by the acute shortage of the raw material in most administrative districts of Khmelnytsky and Vinnytsia regions, by the growth in the volume of construction work (and accordingly the requirements for sandy raw materials) both in Podillya and in the country.

scholarly journals A Study on the Practical Carrying Capacity of Large High-Speed Railway Stations considering Train Set Utilization

2016 ◽  
Vol 2016 ◽  
pp. 1-11 ◽  
Author(s):  
Bin Guo ◽  
Leishan Zhou ◽  
Yixiang Yue ◽  
Jinjin Tang
Keyword(s):  
Carrying Capacity ◽  
High Speed ◽  
Programming Model ◽  
High Speed Railway ◽  
Railway Stations ◽  
China Studies ◽  
Important Nodes ◽  
Entire Network

Methods for solving the carrying capacity problem for High-Speed Railways (HSRs) have received increasing attention in the literature in the last few years. As important nodes in the High-Speed Railway (HSR) network, large stations are usually the carrying capacity bottlenecks of the entire network due to the presence of multiple connections in different directions and the complexity of train operations at these stations. This paper focuses on solving the station carrying capacity problem and considers train set utilization constraints, which are important influencing factors that have rarely been studied by previous researchers. An integer linear programming model is built, and the CPLEX v12.2 software is used to solve the model. The proposed approach is tested on a real-world case study of the Beijing South Railway Station (BS), which is one of the busiest and most complex stations in China. Studies of the impacts of different train set utilization constraints on the practical station carrying capacity are carried out, and some suggestions are then presented for enhancing the practical carrying capacity. Contrast tests indicate that both the efficiency of the solving process and the quality of the solution show huge breakthroughs compared with the heuristic approach.

Development of an integrated food quality management system

10.5219/1434 ◽  
2020 ◽  
Vol 14 ◽  
pp. 862-873
Author(s):  
Mykola Nikolaienko ◽  
Larysa Bal-Prylypko
Keyword(s):  
High Speed ◽  
Quality Management System ◽  
Raw Materials ◽  
Integrated Management ◽  
Agricultural Products ◽  
International Organization ◽  
Iso 14001 ◽  
Management Processes ◽  
Global Population

The high-speed growth in the global population has resulted in a deficit of foods, which has stimulated the development of technologies for planting agricultural products and fattening domestic animals. However, these processes are supplemented in many cases by worsening of the quality of foods and their pollution by foreign substances. To guarantee the proper quality and safety of foodstuffs for health, the International Organization for Standardization developed the standards ISO 9001:2015 and ISO 22000:2018. At the same time, businesses fabricating foods, especially meat-based ones, have to observe the norms of the international standard ISO 14001:2015. Finally, because treatments of raw materials and ingredients used in food products contain in many cases substances harmful for health, enterprises must introduce the norms of standard ISO 45001:2018. To simplify management processes, enterprises introduce so-called ‘integrated management systems’. This study proposes one variant of such a system recommended for use in food-producing organizations including those that treat raw meat and produce products based on its use.

scholarly journals A new technological approach to the granulation of slag melts of ferrous metallurgy: obtaining glassy fine-grained granules of improved quality

2021 ◽  
Vol 68 (1) ◽  
Author(s):  
David Sakhvadze ◽  
Gigo Jandieri ◽  
Giorgi Jangveladze ◽  
Giorgi Sakhvadze
Keyword(s):  
High Speed ◽  
New Technology ◽  
Pilot Scale ◽  
Fine Grained ◽  
Three Phase ◽  
Metallurgical Slags ◽  
Phase Water ◽  
Slag Melts ◽  
Further Development

AbstractThe technological factors required to improve the operational properties of granulated metallurgical slags demanded in the building industry have been analyzed. In order to satisfy these factors, a new technology for hydro-vacuum granulation of slag melts (HVG) has been developed. It is shown that the main advantage of the proposed HVG process is the provision of forced high-speed vortex convection of water, with the effect of vertical suction, crushing, and degassing of the three-phase (water–slag granules–water vapor) heterogeneous medium formed during the overcooling and solidification of slag. It is proved that the high-speed volumetric disintegration and overcooling with the degassing effect sharply reduces a degree of aggressive gas/vapor impact on the being cooled particles of slag, which, in turn, leads to the reduction of the perforation degree of the granules. The obtained granules are distinguished by stable fractionation and improved, well-defined dense amorphous glassy structure, the water-holding capacity of which has reduced from 45–50% to 25–13%, the actual moisture content from 24–20% to 6–4%, while the hydraulic activity in terms of CaO-uptake increased from the conventional 320–360 mg/g to 610–650 mg/g. Pilot scale research demonstrated that the designed equipment for the HVG technology allows sustainable control of the quality of granules, and it has the potential for further development and implementation.

scholarly journals INFLUENCE OF ERRORS IN DETERMINATION OF TRACING SLOPE ON THE ACCURACY OF GEODETIC BASE FOR ROUTE

2021 ◽  
pp. 111-117
Author(s):  
Kostiantyn Mamonov ◽  
Svitlana Kamchatnaya ◽  
Yevhen Orel ◽  
Oleksandr Saiapin
Keyword(s):  
High Speed ◽  
Methodological Approach ◽  
Line Length ◽  
Route Length ◽  
The Difference ◽  
Artificial Development ◽  
The Right ◽  
The Impact ◽  
Further Development

The purpose of this article is to study and develop a methodological approach tosolving the problem of accuracy of the geodetic base of the route. For this purpose, the followingtasks are set: mathematical substantiation the dependence of the line length on the ratio of the traceslope and the guide slope; description of the function of optimal use of the guiding slope at highspeed; determination of the impact of errors in the course of the geodetic justification on the routelength. Starting from the determined point and further to the right, artificial development of the lineis required. Because when a trace is planed using level curves, this point can be reached sooner orlater, and in some cases, this point can not be reached not at all, the line length designed accordingto the plan will be slightly different than in the case of tracing with usage the exact data. Thus, theobtained results indicate the following. If the error positions during a high-speed segment are suchthat the ordnance datum of the passage is less than the truth, the route length will be less than thetrue and vice versa. This trivial result indicates that the location of geodetic support points ondifferent sides of the pass is not recommended. It is established that due to the accumulation of errorsin the transmission of coordinates in the working substantiation networks, the conditions of the linedesign and the amount of operating costs change. It is mathematically substantiated that the linelength depends on the depth of the excavation on the pass and the height of the embankment at thepoint, and also on the difference of ordnance datum at these points. The difference between the traceslope and the guiding slope has an inversely proportional effect. In addition, the function of optimaluse of the guide slope at a high-speed segment has the form of a broken line according to its fracturesthe need for artificial development of the route can be established. The influence of errors in the course of the working justification is manifested in the discrepancy between the true and projectedroute length. If this error is not taken into account, it will lead to significant overspending duringbuilding a longer line than necessary. Further development of the problem of increasing the accuracyof tracing and reducing the impact of errors is planned in the direction of creating methods of digitalmodelling and automated programs.

scholarly journals Strategy to Improve the Implementation of Eco-Labeling Global Aquaculture Alliance-Best Aquaculture Practices (GAA-BAP) in Shrimp Processing Industry PT. XYZ Sidoarjo

2019 ◽  
Vol 007 (01) ◽  
pp. 1-15
Author(s):  
Puji Sugeng Ariadi ◽  
◽  
Nuddin Harahab ◽  
Aminudin Afandhi ◽  
◽  
...  
Keyword(s):  
Human Resources ◽  
Swot Analysis ◽  
Raw Materials ◽  
Group Discussion ◽  
Secondary Data ◽  
Descriptive Study ◽  
Good Work ◽  
Processing Industry

The demands of international consumers for eco-labeling products and supported by Indonesia's considerable shrimp export potential, should be an opportunity for the shrimp processing industry in Indonesia which has implemented GAA-BAP eco-labeling certification. The purpose of this study was formulated as a good strategy to improve the application of GAA-BAP eco-labeling in the shrimp processing industry. This research was a descriptive study with a case study. The research had done at PT. XYZ Sidoarjo. Data were collected through observation, interview, focus group discussion (FGD) and secondary data collection. The data were analyzed using IFE and EFE matrix, IE matrix, and SWOT analysis. The result showed that the strategy could be used to increase the application of GAA-BAP eco-labeling were implemented Strengths-Opportunities (S-O) and combined it with development or stability according to company position in IE matrix. The strategy could be chosen to improve the application GAA-BAP eco-labeling at shrimp processing industry were optimized human resources, eco-labeling guidance, company location, and market network; utilized the company location and market network to increase the procurement of raw materials; maintained the good work integrity and the quality of eco-labeling guidance; also increased the quality of GAA-BAP eco-labeling products.

CONCENTRATION AND PURIFICATION OF THE PECTIN EXTRACTS BY ULTRAFILTRATION METHOD

2018 ◽  
pp. 45-48
Author(s):  
I. A. Ilina ◽  
I. A. Machneva ◽  
A. P. Chernutskiy
Keyword(s):  
Heat Treatment ◽  
Molecular Weight ◽  
Comparative Analysis ◽  
Raw Materials ◽  
Low Molecular Weight ◽  
Significant Deterioration ◽  
High Productivity ◽  
Different Types ◽  
Stationary Cell

The work is devoted to the study of pectin extracts ultrafiltration  using different types of membranes. Pectic extracts are the solutions of high molecular weight polysaccharides (MM from 15 to 50 kDa), which are destroyed in the process of heat treatment in the vacuum evaporating apparature, that leads to a significant deterioration in the quality of pectin. The impurity components in the pectin extract of a low molecular weight, which makes it possible to use ultrafiltration for both concentration and purification from ballast substances, that  is very important. The objects of research were pectin extracts obtained from citrus raw materials; the membranes of the type UAM-100 and 200A were used as filter membranes. The results of the study have been shown, that the use of UAM-100 membranes in a stationary cell allows to remove up to 20% of the solution within 20 minutes, and with - stirring up to 27%. The use of membranes with large openings (up to 200 A) makes it possible to activate the process of the separation and concentration of pectin extracts: the degree of concentration reaches up 45%, the content of solids in the concentrate increases up to 7.6%, and the content of pectin to up 6.4%, that is in 1,7 times. However, the loss of low molecular weight pectin in the filtrate is about 4%. A comparative analysis of the results of research has shown a high productivity with the use of the capron membrane 200A, as well as on the qualitative parameters of the pectins, released from the concentrates, the higher parameters for the uroconid component, molecular weight, pectin jelly strength and complexing ability were noted for pectins isolated using the UAM- 100 membrane.

CHOOSING THE OPTIMAL TECHNOLOGY FOR OBTAINING DRY STRAWBERRY LEAF EXTRACT

2021 ◽  
pp. 60-65
Author(s):  
Yaborova O.V. ◽  
Sosnina S.A. ◽  
Turyshev A.Yu.
Keyword(s):  
Raw Materials ◽  
Practical Interest ◽  
Extraction Methods ◽  
Dosage Forms ◽  
Technological Parameters ◽  
Plant Raw Materials ◽  
Scientific Justification ◽  
Optimal Technology ◽  
Further Development

In recent years, there has been an increasing interest in medicines produced on the basis of medicinal plant raw materials. To improve the quality of drug supply to the population and expand the range of medicines, research is relevant to improve the efficiency of the extraction methods used, replacing infusions and decoctions with industrial products. In this regard, the study of the technological parameters of obtaining an extract from the leaves of dry strawberry is of practical interest for the further development of dosage forms with it and the formation of a scientific justification for their use in medical practice.

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