Wednesday, 13 April 2016

Improving our triggering mechanism

During the last few weeks, we've made some progress concerning our triggering mechanism. We perfected our idea of a mechanism with a servomotor and created a preproduction model. 

Therefore, our current triggering mechanism is composed of a servomotor whose rotation is converted into a linear vertical movement of the vacuette, which is guided through a mounting. It is then to be broached by the cannula. In order to seal the vacuette, the servomotor rotates in the counter direction. To ensure the stability of the system, the cannula is fixed in both vertical directions. A sufficient force exerted by the servomotor is necessary as the membrane is quite hard to be punctured (as described in the previous post). The following graphic shows the development of our triggering mechanisms:

The preproduction model that is currently being finished is necessary to prove whether this mechanism is the most suitable and has got the least potential difficulties. It allows us to pre-identify problematic areas and to improve whatever does not work perfectly. In addition to that, it is a great display item and can be used within the framework of our outreach programme for exhibitions as well as for concrete explanations during the presentations of the Launch Campaign. 

As soon as possible, we will test our triggering mechanism using the preproduction model. We are confident that this (or a slightly modified procedure) will be our final triggering mechanism and we hope that the tests will be as successful as we expect.

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