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3853 Uppsatser om Construction technology - Sida 27 av 257

Lokal anpassning och implementering av Operation Management System

In this thesis, a transparent model of the human head has been constructed which was filled with a substance that represented the brain. This model was later crash tested. This was done in order to examine how a transparent model of the human head can be constructed to generate accurate data from crash tests. It was also done in order to examine how impacts on the front of the head can deform the rear of the brain. When a head is decelerating, the brain moves forward inside the skull and may hit the front of the skull.

E-BUSINESS, WHAT IS IT GOOD FOR: AN EXPLANATORY STUDY OF FIVE COMPANIES? E-BUSINESS SOLUTIONS

The notion of firms interacting with technology is not new; these types of systems were already in place in the mid eighties. E-business users worked with connections between their inbound logistics and procurement systems, and suppliers? order-entry systems. When these connections were described for the first time the vertical links between two, or more, value chains in a value system received more attention in firm strategy. The design of the linkages in the value system was said to be a product of the need for coordination and relative bargaining power.

Utveckling av hygienfunktioner i diskmaskiner : Desinfektion med ånga

This report is the result of a thesis work in Integrated Product Development, regarding hygienic features in dishwashers and especially disinfection by the use of steam.The thesis is performed at Electrolux Primary Development Dishcare in Stockholm and in collaboration with the Department of Machine Design at the Royal Institute of Technology.The targets of the thesis are to prove the advantages of a technology suitable to implement as a hygienic feature inside a dishwasher and to realize a functional prototype of a differentiated hygienic feature that does not exist on the market today.The process followed to perform the thesis is the process defined for Electrolux Primary Development.The technology chosen for development is disinfection by heating the water on the surface of the dishware, by the use of steam.A number of tests on how steam behaves when injected into the dishwasher tub have been performed, providing the results that have been taken in consideration when designing the prototype.The prototype consists of a pipe system provided with nozzles to eject the steam into the upper parts of the dishwasher. Tests of the final prototype show that thermal disinfection of water in a dedicated area of the tub can be reached within 9 minutes. The operation requires 0,17 liters of water and consumes 0.2kWh..

Konstruktion och design av hjul

The task given to us was to develop an industrial wheel with new thinking in terms of fresh design and construction, with the ability to brake. While the produced wheels of today only own the property of total braking, a wish was made to integrate the ability of directional locking.The time spent working with the project has been filled with multiple sketches of ideas and function analysis.Choices of material and ways of construction have been verified by calculations, tests and prototype building. The goal of this thesis has been to develop a unique caster with well thought-out design that would be adaptable to different areas of applications.The result was a hubless wheel with the ability of directional locking before total braking.A prototype of the wheel has been made to show the design and functions..

Ledtidsreducering för färdigställning av bergborrstål vid
Sandvik Materials Technology

Detta examensarbete är utfört på Sandvik Materials Technology (SMT) i Sandviken. SMT har under ett antal år arbetat mot att infria deras två största kunders, Atlas Copco Secoroc och Sandvik Mining and Construction, önskemål om en leveransprecision på 95% och en ledtid på tre dagar för storvolymprodukter av bergborrstål. Idag är leveransprecisionen tillfredsställande medan ledtiden är fem dagar. Examensarbetets syfte är att analysera vad som krävs för att infria Atlas Copco Secoroc's och Sandvik Mining and Constructions önskemål om tre dagars ledtid för storvolymprodukter. Ledtidsreduceringen ska åstadkommas med nuvarande skiftform och utan att leveransprecisionen påverkas i negativ riktning.

Mekanisk modell av människans huvud för simulering av skalltrauma och hjärnskada

In this thesis, a transparent model of the human head has been constructed which was filled with a substance that represented the brain. This model was later crash tested. This was done in order to examine how a transparent model of the human head can be constructed to generate accurate data from crash tests. It was also done in order to examine how impacts on the front of the head can deform the rear of the brain. When a head is decelerating, the brain moves forward inside the skull and may hit the front of the skull.

Lifta med liften : Examensarbete om släpliftar

This degree project has been carried out by Carolina Rapp and Jenny Tauson, students at Innovation and Design Engineer program at the Faculty of Technology and science at Karlstad University. The project was carried during Spring of 2009 and took 15 weeks of full time work.  Doppelmayr/Garaventa Group is an Austria/Switzerland corporate group and its associated company Doppelmayr Scandinavia lies in Sunne, Sweden. Doppelmayr/Garaventa Group is the world quality and technology leader in ropeway engineering. The degree project goal was to develop a new shaping of a surface lift. There are two kinds of surface lifts, platter and T-bars. The two kinds of surface lifts have some variation in design but only minor differences.

Alternativa förpackningsmaterial och konstruktioner för »Hackman tools«-serien

Choosing a new plastic material for a container includes several different steps. In this case,the Finnish company Hackman needed a new type of packaging material for theircutlery- and kitchentool series »Hackman tools«. The project was carried out in cooperationwith the design agency Ytterborn & Fuentes, which has Hackman as a client.Several different demands were put on the material in order to fulfill as many of the clientswishes as possible. The most urgent problem with the existing container was the difficultysfor the customer to clearly see the contents in the container. Because of this problemthe customer tried to open the container in the shop.

Samband mellan laserdata och fältdata

To make it easier for forestry planning the forest owners needs data which describe characteristics of the forest. Such data you usually get from some type of inventory. A relatively new technology which probably is getting more important in the future, is laser scanning because of lower costs. But because the laser technology is relatively new you need to compare it with conventional inventory technologies to get better understanding of the possibilities the laser technology gives. This work intends to estimate field measured characteristics of the forest from laser data with help of regression analysis and then see which of the field measured properties that best could be estimated and which laser variables that gave the best results. This study shows that heights has the best estimates, but biomass, diameter and volume also gives good estimates.

Rena rör : Clean pipes

In this project a washing station has been constructed for Albany International AB. At present, there is no existing system to clean the dirty pipes that are coming back to the company.The work followed the product development process, and it started with the requirements list. This was followed by brainstorming, evaluation and completion.The result was a concept for de present time and one concept for the future.The present concept is intended to be built immediately. This is an adjustable bench with sliding bearings to facilitate the work. The actual cleaning is done with a high pressure washer that uses hot water.

Att effektivisera armeringsarbete : Från idé till genomförande

Most of today?s concrete structures that are built on site are mainly constructed in a traditional fashion with a lot of artisanal operations. One step towards industrializing the in-situ construction of concrete is to use prefabricated reinforcement. Through this method there can be a lot of savings when each bar doesn?t have to be placed and fixed separately on site.

Culpa in contrahendo och formkravet i JB : De lege lata och de lege ferenda

Along with the development of technology, the cross-border trade is increasing and therefore there is a need for greater consumer protection. A good consumer protection creates a feeling of safety for the consumer and that by itself may help to increase cross-border trade. This is one of the reasons for why the EU has established regulatory framework for electronic commerce, for example the Directive2000/31/EC. The direc-tive strives to create a similar law for electronic commerce within the European Union. This paper?s main purpose is to ensure that the directive is implemented properly in Swedish law, and if there are other possible ways to achieve the objective, other than the ones that the Swedish legislator has chosen.

Konstruktion av ränndalskap CPD08

Our Bachelor?s Thesies has been performed in co-operation with Cellplast Direkt AB inLaholm. Our task was to develop a construction that cuts gussets to ceiling disposition as isused to isolation.Our goal with our construction was to increase the degree of automation so that theproductivity increased and also meet the market which is getting tougher and tougher due tothe future business cycle.Cellplast Direkt gave us free hands in order to enable new ideas. A pair different principleproposal was developed and prepared to a final structure.The Bachelor?s Thesies resulted in one PLC - governed machine with three engines that runthree different moves, wich does that the degree of automation increases and the risk forerrors decreases.We have developed a complete production bases to Cellplast Direkt and our hope is that thecompany comes to produce the machine in the future..

Automatiserad laddning och plundring mellan magasin

This thesis has been carried out within the bachelor program for mechanical engineering at Karlstad University in collaboration with BAE Systems in Karlskoga. The purpose with this work was to design a mechanism and associated parts for loading and unloading of shots between primary and secondary magazine in BAE's new 40mm's ship gun.Parts designed or redesigned among other things a transfer mechanism for shot at loading and unloading, well as a hatch mechanism which makes the shots do not fall out of the primary magazine when making separate use. Various important details have been designed to maintain a good functionality of the mechanism.The construction work has mainly been carried out in the CAD software Solid Edge and its associated FEM module. The construction work has also been carried out on rough calculations for constructed details in order to ensure that they meet the stringent requirements of military use in tough marine environment. Two of the most critical parts of the structure where analyzed with the FEM module for estimating the stresses in the material at the applied load.The final design, which is a result of the thesis, meets the requirement specification and the set targets.

Investeringsuppföljningar : - En fallstudie på Volvo Construction Equipment i Braås

Titel: Investeringsuppföljningar ? En fallstudie på Volvo Construction Equipment i BraåsSeminariedatum: 2011-06-01Ämne/kurs: 2FE13E:3Författare: Aleksandar Stamenkovic och Donald BergströmHandledare: Anders JerrelingExaminator: Fredrik KarlssonNyckelord: Post-audits, Capital Budgeting, Investments, Performance Evaluations, ROI, RI, AARRSyfte: Syftet med detta ämnesfördjupande arbete är att förklara de problem som uppstår när avsaknad av investeringsuppföljning föreligger, samt att förklara för hur rutiner av uppföljningar kan organiseras.Metod: Valet föll på att göra en kvalitativ fallstudie gällande Volvo Construction Equipment i Braås. Kvalitativa semistrukturerade intervjuer har utförts med fyra stycken respondenter på anläggningen. Detta ämnesfördjupande arbete har utförts enligt en deduktiv metod och en diskussion förs angående arbetets validitet och reliabilitet.Teori: Den teoretiska referensramen behandlar relevant teori gällande investeringar och uppföljning, vidare behandlas även kortfattat de metoder som används för att bedöma investeringars lönsamhet på Volvo Construction Equipment i Braås.Empiri: Det empiriska avsnittet redovisar data från de semistrukturerade intervjuerna som fördes med personal på anläggningen i Braås. Dessa bestod av ekonomichefen, controllern samt två projektledare.Slutsats: Resultaten som presenteras behandlar komplexiteten med att följa upp investeringar enligt dess faktiska kassaflöden och förkastar därmed en sådan uppföljning för Volvo Construction Equipment i Bråas.

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