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445 Uppsatser om Absorption chilling machine - Sida 25 av 30
Eftermarknadens möjligheter : En studie av Swecon AB:s tjänsteutbud
ProblemThe manufacturing industry is a mature industry where the profit margins are small and the competition is hard. This makes it hard for both manufacturers and resellers to gain market shares and reach reasonable profit margins only by selling products. Therefore Swecon who is reseller for Volvo Construction Equipment tries to find alternative methods and ways to increase their profit. An alternative source of income could be to develop the range of services that are connected to the ground products.PurposeThe purpose of the thesis is to examine how Swecon in southern Sweden can improve their offers of existing services connected to the ground product and investigate the demand of new such services.MethodThis study is based on a qualitative study of five of Swecons local offices and five of Swecons customers. The empirical framework is mostly based on personal interviews but in some cases information was retrieved by using phone interviews.
Rening av oljeförorenat vatten med torvabsorbent
Hässleholms Renhållare AB är ett avfallsbolag som innehar en oljebehandlingsanläggning på deras centrala avfallsanläggning i Vankiva. På oljebehandlingsanläggningen tar de emot slam från oljeavskiljare och bilvårdsanläggningar samt i mindre mängd förorenade massor. Från behandlingsanläggningen utgår det en vattenfas som leds via ett avloppssystem vidare till det lokala behandlingssystemet för lakvattnet. I bolagets tillstånd för Vankiva avfallsanläggning har det föreskrivits att varje delflöde till den lokala behandlingen av lakvattnet måste kontrolleras för att inte fastställda gränsvärden för olja och tungmetaller ska överskridas. Under våren 2006 kompletterades avloppssystemet från oljebehandlingsanläggningen till lakvattenbehandlingen med en filterbrunn.
Energieffektivisering genom förvärmning av flis till kokare med sekundärvärme
The Swedish pulp and paper industry meets higher demand for energy efficiencyi mprovements with increasing energy prices and changes in the Swedish renewable energy certificate system. One action of energy efficiency improvement is by using secondary heat, that otherwise would have been treated as waste heat, for use in a system with lower temperature demands. The aim of this Master´s thesis is to identify possible secondary heat sources in a typical Swedish pulp and paper mill and to investigate what economic benefits the secondary heat will provide when being used for pre heating of wood chips to a kraft digester.The Master´s thesis focuses on three secondary heat sources; dry warm air, warm water and moisture saturated warm air located inside the pulp or paper mill. Two types of kraft digesters are simulated within this study, a typical Scandinavian digester and a modern twin vessel steam phase digester.Due to quality aspects and low temperature level drying is the drying technology with dry warm air rejected. Using warm water in direct contact with wood chips increases the quantity of water to the evaporation plant and thus reduced pulp or paper production and is therefore also rejected.
Stilleståndskostnad : Framtagning av kostnadsmodell för stilleståndskostnad vid haveri ur ett top-down perspektiv
När ett haveri inträffar uppstår direkt en mängd olika kostnader i form av underhållsinsatser, reparationsmaterial och administrationsinsatser. Utöver dessa kostnader förloras även de intäkter som maskinen genererar samt täckningen för de fasta och rörliga kostnaderna. Alla dessa kostnader skall täckas av de värdeskapande enheterna på företaget och påverkar det finansiella resultatet negativt. För att förbättra ett företags lönsamhet ökas antingen intäkterna eller så reduceras kostnaderna. Trots detta är det för många företag okänt hur stor kostnaden faktiskt är då en maskin står stilla.Arbetets uppdragsgivare är Konecranes Machine Tool Service (MTS), ett företag som erbjuder underhållstjänster och underhållslösningar till företag inom verkstadsindustrin.
Omkonstruktion av treaxlig plockrobot och dess plockverktyg
This thesis has treated a three-axis robot which task is to serve a larger test machine tomove the modules to be tested, from the storage to the test site. The robot is composed ofthree linear actuators; two standard components of ball screw type and a custom-builtactuator of trapezoidal type. The work has mainly focused on the custom-built device to seeif it could be replaced with a standard component. Part of the work has been to look into thepicking tool and to see if there are any possibilities to improve its function.The report presents two different proposals which I decided to call Robot 1 and Robot 2 andthey aim to address the problems arising in the purpose-built linear unit and the X-axislinearity problems. Robot 1 focuses on eliminating the problems that arise around therobot's X-axis, with such simple means as possible and without making excessive materialchanges.
"Jag tror vi måste jobba mycket med det" : Om den digitala källkritikens roll inom svenskämnet på gymnasiet
AbstractThe overarching goal of this study is to investigate whether teachers of Swedish at upper secondary schools in Sweden feel that they know how to teach critical literacy, especially on the Internet, and also if they know how it is taught. It also investigates the difficulties teachers experience in teaching critical literacy. A secondary goal is to investigate the knowledge of critical literacy among students at upper secondary schools in Sweden. The study is based on quantitative and qualitative research. The research consists of two parts.
Mjölkkyl till espressomaskin : Impressive cooler
The project was made in cooperation with Coffee Queen AB, Arvika. The task was to develop and design a new cooler for the milk to Jura Impressa X9, an espresso machine. The good assistance with staff at Coffee Queen and engineers in China and at KPA in Karlstad led to a solution to the problem. It was a long road to get there, many different concepts was developed. When the day came to decide which concept to work with, the choice stood between two different technical solutions.
Utvärdering av CTI på virkesfordon : ? CTI-projekt Holmen Skog/Örnfrakt 2005-2006
The low bearing capacity of roads during the spring thaw and periods in the autumn leads every year to increases costs for Holmen Skog. To reduce costs and increase accessibility
Holmen Skog decided to install and test a CTI-system. Central tire inflation (CTI) is a system that makes it possible to monitor and vary a vehicle?s tire inflation pressures from the cabin, while the vehicle is in motion. When tire pressures are reduced, the area of the contact surface between the tire and the road increases, thus reducing the ground pressure.
The purpose of this study was to evaluate the CTI-equipped vehicle and analyze if the CTI technology is economical defensible during the thaw 2005.
Fuktkvotens inverkan på oljeupptag och pigmentinträngning i tall (Pinus sylvestris L.) och gran (Picea abies L. Karst) vid impregnering med Linotechmetoden :
Wood has always been an important material for people, and it is used for many applications. As for example, fuel for cooking and heating houses, construction materials and for constructing means of transport. Since wood also is a material that with time biologically degrades due to activity by micro organisms and wood fungi it is important to find ways to protect and further lengthen the life span of the material when in service. One method is to decrease the amount of water in the material by impregnation with an hydrophobic oil. The Linotech method which uses only pure linseed oil is one such possible method.
The aim of this study was to investigate the possibility to at the same time impregnate and stain/colour wood samples of pine and spruce by using the Linotech method.
Provning av parallellkopplade hydraulpumpar i hjullastare
Volvo Construction Equipment is a world leading company in construction machinery. Tomaintain the best products, development is prioritized. The master thesis regards sound reductionof the hydraulic system on a wheel loader. The background to the master thesis is asimulation made on the hydraulic system, performed autumn 2005. The result of the simulationshows that the energy of the pressure ripple is reduced when the paralleled hydraulicpumps are phase shifted and reduces each others pump pulsations.
Utvärdering av strömaterial av restprodukter från wellpapp
SUMMARYFor thousands of years horses have been at people's side. They have been used for transportation at war, to save time, manpower and money. For practical reason, man has forced the horses into narrow spaces. Stabling includes factors as feeding and bedding. In the boxes the bedding materials must be kept clean and maintain good hygiene.
Viral Facebook integration i mobilspelet Gravel
This thesis has treated a three-axis robot which task is to serve a larger test machine tomove the modules to be tested, from the storage to the test site. The robot is composed ofthree linear actuators; two standard components of ball screw type and a custom-builtactuator of trapezoidal type. The work has mainly focused on the custom-built device to seeif it could be replaced with a standard component. Part of the work has been to look into thepicking tool and to see if there are any possibilities to improve its function.The report presents two different proposals which I decided to call Robot 1 and Robot 2 andthey aim to address the problems arising in the purpose-built linear unit and the X-axislinearity problems. Robot 1 focuses on eliminating the problems that arise around therobot's X-axis, with such simple means as possible and without making excessive materialchanges.
Utfodringens betydelse för osteokondros hos hund
Osteokondros är en vanlig multifaktoriell sjukdom hos stora och snabbt växande hundraser och kan drabba flera leder så som exempelvis armbågs- och bogleder. En lokal störning i den endokondrala benbildningen i epifysen eller metafysens tillväxtbrosk leder till ojämnheter i brosket, som i sin tur orsakar smärta och hälta. Osteokondros påverkar hundens välfärd såväl som människans användning av hunden. Kunskap om sjukdomsförloppet och faktorer som påverkar sjukdomsutveckling krävs för att förhindra uppkomst av osteokondros.
Den här litteraturgenomgången syftar till att klargöra huruvida utfodring påverkar utvecklingen av osteokondros hos hund och i så fall på vilket sätt. Litteraturstudien har
avgränsats till betydelsen av överutfodring med energi och protein samt över- eller underutfodring med kalcium och fosfor.
För att en normal ledyta ska bildas krävs ett intrikat samspel mellan mekanismerna för skelettillväxt, endokondral benbildning samt benremodulering.
Pekska?rmar i turbulenta miljo?er : I vilken utstra?ckning kan precision uppra?ttha?llas
Pekska?rmar anva?nds i allt sto?rre utstra?ckning som interaktionsteknik fo?r hemelektronik. Tekniken har traditionellt sett inte anva?nts i kra?vande miljo?er, exempelvis i miljo?er da?r skakningar och g-laster fo?rekommer. Introduktionen av pekska?rmsteknologi i cockpitmiljo? fa?r konsekvenser fo?r utformningen av fo?rarmiljo?n vilka bo?r utredas.Denna studie syftade till att empiriskt utva?rdera anva?ndarnas prestation med avseende pa? precision vid olika interaktionsmano?vrar pa? en pekska?rm.
Förbättrad lönsamhet i växtodlingsföretag! : en ekonomisk analys av ett samarbete i form av ett driftsbolag mellan två lantbruksföretag
The agriculture is today in a development that leads to bigger and bigger units in the primary production. To be able to follow this development many companies chooses to cooperate in different ways. The most radical change is when farmers fuses with other farmers and merge into to a big collectively owned operation firm. The reason behind this idea is that the firms achieve the big companies advantages by being complement to each other. The purpose of this essay is to make an economic analysis of two crop production companies who works together in an operation firm.