STACK-UP TOLERANCE ANALYSIS OF JIG & FIXTURE FOR ELECTROMYOGRAPHY NEEDLE GRINDING
An electromyography needle is a medical device that requires strict technical specifications to ensure safety and user comfort. The needle sharpening process, which determines the geometry quality of the needle tip, is carried out with the assistance of jigs and fixtures. This study aims to analy...
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| Format: | Theses |
| Language: | Indonesia |
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| Online Access: | https://digilib.itb.ac.id/gdl/view/87792 |
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| Institution: | Institut Teknologi Bandung |
| Language: | Indonesia |
| Summary: | An electromyography needle is a medical device that requires strict technical specifications to
ensure safety and user comfort. The needle sharpening process, which determines the geometry
quality of the needle tip, is carried out with the assistance of jigs and fixtures. This study aims
to analyze the impact of geometric tolerance stack-up in jig and fixture components on the
outcome of the needle sharpening process. The methodology includes a literature review,
identification of requirements, dimensional and geometry measurements, and tolerance
analysis using the "worst-case" method. The results indicate that the resulting needle
specifications remain within the defined tolerance limits despite tolerance stack-up in the jig
and fixture components. The study also identifies the need to redesign the jig and fixture to
simplify existing features and reduce potential tolerance accumulation. Additionally,
recommendations are needed for developing a more effective needle positioning aid. |
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