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Ron Lendon's Aircraft Mfg.
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Date:  11-17-2009
Number of Hours:  1.00
Manual Reference:  WW Distributor
Brief Description:  Finish ID Boring

Keep steady air stream on boring bar during the roughing operation to keep chip buildup to the minumim.

Finish cuts .002 , .001 & .0005 to get -.003 from final size of .4900.

The National Ball-O-Matic company will do the final sizing using balls. They told me to leave them .003 to finish.

I left the lower bushing long so they have something to press against. Will need to make, or they may have, tool to support it during the ballizing operation.
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Air to keep chips clear

Air to keep chips clear

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-.003

-.003

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