Mobilt humletröskverk : Konstruktionslösning och kostnadskalkyl

• Main Author: Blanck, David
• Format: Others
• Language: Swedish
• Published: Uppsala universitet, Industriell teknik 2016
• Online Access: http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-297971

Korngården AB is the biggest hop producer in Sweden. They are located in the south of the country and their farm currently consists of 5000 m2. Korngården AB is a newly founded company and is just starting up its business. The next step forward in their development is investing in a hop harvester. Therefore, in this thesis a first draft for a portable hop harvester is presented. The goal of this project was to design a machine that can be easily transported between hop farms in the vicinity and harvest 50 – 100 bines per hour. Starting up this project a study of hop harvesting solutions was made. To give this project a target I was provided with a specification of user demands by Korngården AB. During the concept generation different solutions were developed and with the help of a Pugh matrix the solutions was compared against each other. The chosen concept was 3-D modeled in the CAD program SolidWorks. During this process a number of companies was contacted to get an idea of what this hop harvester would cost to produce. This turned in to the cost estimate which was one of the goals of this thesis. From the 3-d models assembly drawings was created. The result of this thesis is a hop harvester that strips the bines using steel picking fingers that hits the cones and leaves of the bine. The cones and leaves are then separated using a series of tilted rubber bands. When exiting the striping section the bine will be chopped into smaller pieces using a wood chipper. At the moment the cost estimate shows that the hop harvester would cost around 200 000 sek to produce which is 25 000 sek more than what Korngården AB specified in their specification of user demands. Keyword: Concept, Design, Cost estimate, Pugh matrix, CAD