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FIXING A TAPPET FILING ERROR

 
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modadmin
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Joined: 15 Jan 2004
Posts: 288
Location: Australia

PostPosted: Fri Aug 03, 2012 3:13 pm    Post subject: FIXING A TAPPET FILING ERROR Reply with quote

One of our customers made an error when making a rather complicated tappet. The error was that he located one of the notches in the wrong place - a place where it would interfere with other operations.

Rather than start from scratch and waste all of the other work on the tappet, he filled the unwanted notch using 2-pack epoxy resin (Araldite). After the repair had set, it was relatively easy to saw and file the excess resin to a smooth finish.

The first picture shows the epoxy in place; the second shows the finished result.



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modadmin
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Location: Australia

PostPosted: Sat Aug 04, 2012 3:02 pm    Post subject: Reply with quote

I meant to add that it is wise to roughen the surface of any notch that you are filling to give a good key for the resin; also to de-grease the surfaces.
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