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Questions On Reamers

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dvanlanen

Joined: 25 Jul 2006
Posts: 122
Location: Madison, WI

Posted: Thu Jun 11, 2009 11:47 am Post subject: Questions On Reamers

I need to use a 6.4mm reamer for installing the bushings in the upper and lower rudder hinge holes on my 601XL project.  I am totally unfamiliar with reamers.  Can anyone educate me on the following:  

-       Is the goal to get a tight fit of the bushing in the hole?  

-       Is it best to purchase a reamer with a “fixed” size, or do the adjustable reamers work OK?  

-       Most of the reamers I looked at online do not appear to have tapered flutes – how do you start a reamer in the hole if the flutes are not tapered?   

-       Is it best to turn the reamer by hand to get the best accuracy, and if so, what type of reamer do I need to get, (most reamers I found online were defined as “high-speed” or “high-speed chucking”)?  

-       I checked the sources mentioned in earlier posts to the list, but I cannot find a 6.4mm reamer - I can find a .252” reamer, but that is a little larger than 6.4mm – does anyone know a source for this particular size?  

  

Thanks for your help,  

Dave Van Lanen  

Madison, WI  

601XL Ser. # 6-6022 – tail done, wings on hold, starting fuselage      [quote][b]

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scottbevier

Joined: 19 Jun 2007
Posts: 8

Posted: Thu Jun 11, 2009 4:21 pm Post subject: Questions On Reamers

Dave,  

   

The 0.2520” chucking reamer sold by MSC or McMaster-Carr is close enough. The difference is < 0.0001”  

I ordered this one from McMaster-Carr. Part# 8803A482 High-Speed Steel Decimal Chucking Reamer .2520" Dia, 1-1/2" L Flute, 6" L O'all, 6 Flute. About $23.00.  

Chuck it in a cordless drill, slow speed, practice on some scrap material. It works fine.  

   

Scott Bevier  

       [quote][b]

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Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

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