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… floatation seems to give a higheramount of inclusions in casted material.In machined material so called stringers were found. The main composition of those stringerswas pure alumina. Inclusions with a composition of pure alumina were not found in the liquidsteel, thus the pure …
Som kan medföra problem vid implementering av informationssystem
Quadrotor UAVs are self-stabilizing, autonomous flying machines that has recently become more popular than ever. Unmanned Aerial Vehicles have their roots in the military, where they were developed for use in reconnaissance and combat. During the last few years, advances in the …
Konstruktion och användbarhetsstudie av en UAV i sensornätverk
Quadrotor UAVs are self-stabilizing, autonomous flying machines that has recently become more popular than ever. Unmanned Aerial Vehicles have their roots in the military, where they were developed for use in reconnaissance and combat. During the last few years, advances in the …
Nytt koncept i vattenkraftgeneratorer
… on generators because of the sliding joints, witch are mounted on many older machines today. The sliding joints have tended to stick during operation resulting in serious consequences. Consequences such as cracks in the concrete foundations and stator core buckling causing long …
Från idé till tillverkningsunderlag
This thesis has been made in cooperation with the forestry machinery producerEco-Log in Söderhamn. The focus of the thesis has been to find a cheaper wayto open the large engine hood of the company’s harvesters. The goal was tofind a solution that could increase the value for …
- förhöjning av produktiviteten vid mekanisk verkstad genom förkortade transportsträckor och standardiserad bearbetning
… reduced through a change in the layout of the factory. By moving a few manual machines, dispatch and burring to more efficient locations, the total transportation time will be reduced by 55 %. These changes would only results in small adjustments in the day-to-day activities and …
… the suggestions of improvement are divided into two different designs. Other machines and equipment necessary for the different suggestions of improvement are showed and their measurements are presented. The chapter ends with a problem discussion. Nulägesanalys describes how the …
… 13 men from the military academy in Halmstad. The test subjects used a smith machine and performed calf raises on a load of 50% of 1RM. Muscle activity was measured using sEMG and three measurements per person were conducted. The first measurement without calf protector, second …
… using principles ofdesign. Hence, I ambitiously named the project: !e TimeMachine.My research attempted to cover all the depths and angles of Time,which necessarily took me through humanity’s fascinatingambitions to record, read, save, spend, extend and travel throughthis …
… MIX- systems where the dams are both suckled and milked. All goats were machine milked twice daily. Group 1 (n=5) was kept together with one kid for 16 hours a day (T-16h), kids and dams were separated daytime between 7:30 and 15:00, kids were allowed to suckle before each …
… stem volume as reference models. Productivity varies greatly between different machines and drivers, which in itself can be a basis to approach the training of drivers. Collection of fuelwood assortments that only needs to be partially delimbed have a certain positive impact on …
en produktivitetsstudie
… shredders and grinders.To calculate productivity of the shredder, the machine was filmed during work. After that a direct continuous time study was carried out. The crushed parts of the stumps was measured at the heating plant. The market research was carried out by methodic …
en studie om herbicidresistens; mekanismer, detektion och åtgärder
… e.g. in crop rotation and tillage methods, increased mechanical methods, clean machines etc. It’s important to alternate between different modes of action, since one reason for increased resistance is that the same herbicide or a few modes of action recurs frequently.There are …
… of method training that some entrepreneurs have done has been analyzed on machines with drivers who have completed the training. The result shows that the method trained drivers increased their performance after the training. This study has been done in cooperation with Sydved …
… modern forestry in Sweden become more and more common. If the positions of the machine are stored on a regular basis with not too long intervals (up to 30 seconds), it’s possible to digitize the driving paths.This work has been conducted in SCA’s Västerbotten and Jämtland …
