University of Twente Student Theses


Deurvering 2.0 : een los te plaatsen vering voor insluitwerk

Dijk, M. van (2017) Deurvering 2.0 : een los te plaatsen vering voor insluitwerk.

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Abstract:Designing an afterwards placeable resilience for builder’s hardware. This bachelor assignment was done for Themans, a builder’s hardware company located in Deventer. It is an innovative company that wanted to introduce a new way of adding resilience to their assortment. The current way of springing costs too much effort to repair or change. For this reason, Themans would like a new way of adding a spring construction to their builder’s hardware. It is also the reason for placing it inside the rosettes and shields within their assortment. Deliver a draft proposal for a product that meets Themans’ requirements: In order to make a proper draft proposal, some background research on the topic was necessary. First off, it was important to know the terms and important factors around the product that had to be made. There were other concepts and products that match the functionality of the product in question as well. These other concepts were available to me at the office of Themans, where I could study them and note the different mechanics and details of each of these products. One of the most important factors was the available volume for the product. For this reason, a program of requirements was made that allowed me to make model for the maximum volume. In this volume, a mechanic with springs could be placed that makes a door handle require force to open. The door handle should also go back to the neutral position after the force is released. This should occur in both upwards as downwards direction. Since the available volume is smaller than all of the concepts that were generated already, I had to look for a way to lower it and use the room as efficient as possible. The springs take a lot of space in the other models, with a layer of material to keep it all together around the springs. If the springs are more compact, the entire model can be smaller. I searched for new options and wave springs were discovered. Wave springs are like pressure springs but around as twice as effective in length ratio. With the amount of room left for springs in the available volume, a resilience can be built to make sure neither too much nor too little force is needed to rotate the door handle.
Item Type:Essay (Bachelor)
Faculty:ET: Engineering Technology
Subject:20 art studies
Programme:Industrial Design BSc (56955)
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