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Connector Force Testing
In developing the input connector for a new device, the removal force of the sensor from the connector needed to match that of past devices. In varying the height of the connector’s walls, the force of removal was impacted. My job was to find the height that consistently resulted in the desired removal force.
Role / Testing engineer
Date / Summer 2018
Skills / Test design, Data analyzation
Company / Masimo
How do I find the removal force?
Through brainstorming and testing I found a reliable, repeatable test using a force gauge, the connector being tested, a sensor, and a clamp. With this setup, the force gauge was able to record the maximum force necessary to remove the sensor from the connector during each trial.
With a range of different connectors, testing began
Connectors of varying wall heights were tested. To get a full data set, each connector was tested multiple times. In some trials the sensor or connector itself would become damaged, mostly connectors with short wall heights. In this case the connector would only be used once and replaced with a new one for the proceeding pull.
A trend of increased pull force with decreased wall heights
This trend was evident from the data set. Analyzing further, I was able to find the ideal connector wall height for the desired pull force. The height was implemented into manufacturing specifications and is used in the on market product today.
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