Repair a broken stylus?

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esl 63

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Joined 2010
The accident is there.. The needle breaks :mad:
Broken Cantilever Photo by kallekarr | Photobucket

The stylus is OK, V.D.H II tip:
Boron Cantilever With V.D.H II Stylys Photo by kallekarr | Photobucket

I decided to insert a rod inside the cantilever, maybe i could have it to sing again?
Went to a flower store and brougt my caliper to find a cactus with strong needles and right diameter.
Cactus Photo by kallekarr | Photobucket

I mounted it in my dremel and sanded it with a 1000 paper to get it perfectly to spec.. 420um, i need some place for the epoxy glue as well. the outer diameter is 500um and i guess the thickness of the wapour deposited boron tube is maximum 30um thick... anyway, the epoxy will fill it upp easy :p

I cut the cactus needle to 3 mm in length.
But before i inserted the cactus needle i had to make the boron tube circular. So i took a steel needle
Steel Needle Photo by kallekarr | Photobucket
And i tried to make the boron cantilever tube circular again...
Boron Cantilever Tube Photo by kallekarr | Photobucket

And now the cactus needle is inserted and im waiting for the epoxy glue to cure. :D

Then comes the listeninig and measurement!
 
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