Shaft/hole fits
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Posted by: tsrwright

03/31/2006, 06:26:59

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Can anyone advise the source of the "General tolerance charts Standard shaft-hole fits" at www.engineersedge.com/class_i.htm?







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Re: Shaft/hole fits
Re: Shaft/hole fits -- tsrwright Post Reply Top of thread Forum
Posted by: Kelly_Bramble

03/31/2006, 08:15:57

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I created all of the classes 1 - 5 shaft-hole tolerances/fits charts while in the employ of Bell Helicopter Textron during the early - mid 80's. I referenced IT grades, ISO and had a bunch very talented grey haired types review my conclusions.

Why do you ask?








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Re: Shaft/hole fits
Re: Re: Shaft/hole fits -- Kelly_Bramble Post Reply Top of thread Forum
Posted by: tsrwright

04/01/2006, 04:35:26

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Many thanks for responding. I am not an engineer but I am working towards remanufacturing an old motorcycle race engine using an incomplete set of original factory drawings.

I have been trying to evolve a set of fits that I could use in new drawings for one-off manufacture.

I aligned the class definitions in your tables with those in another set(also anonymous)which used ISO tolerances and fits and found a high degree of similarity in the values assigned to classes but also some(possibly)significant differences.

I can send the spreadsheet if you are interested.

Terry








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