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Konstruktion av mutterdragare för stora moment

<p>This degree project was conducted in collaboration with Gremo AB located in Ätran.</p><p>The aim of the project was to develop a solution to secure quality and to help assembling</p><p>the locknut holding the vertical hinge on the harvesters and foresters from Gremo.</p><p>At this time the nut is assembled manually by the aid of an overhead crane. The nut is</p><p>tightened differently from time to time, and there was no specified torque to which it is</p><p>tightened. Another present problem was the locking washer which sometimes gets</p><p>damaged during assembly, when this happens the procedure has to be started over from</p><p>the beginning. The current assembly procedure is very time consuming and lengthy for</p><p>the employees.</p><p>Our task was to design a machine that could tighten the nut to a specified torque with a</p><p>margin of error of ± 3%. The assembly procedure will be held simple and the time</p><p>required at a minimum.</p><p>The project started by developing several principle solutions, the one solution that best</p><p>matched our specifications were developed to a primary solution.</p><p>Today we have started manufacturing and assembling our prototype. Our goal is that the</p><p>equipment will be taken into use by Gremo.</p>

Identiferoai:union.ndltd.org:UPSALLA/oai:DiVA.org:hh-1690
Date January 2008
CreatorsAndersson, Johan, Sätermark, Daniel, Torstensson, Henric
PublisherHalmstad University, School of Business and Engineering (SET), Halmstad University, School of Business and Engineering (SET), Halmstad University, School of Business and Engineering (SET), Högskolan i Halmstad/Sektionen för Ekonomi och Teknik (SET)
Source SetsDiVA Archive at Upsalla University
LanguageSwedish
Detected LanguageEnglish
TypeStudent thesis, text

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