Interference fit

This topic has 5 replies, 3 voices, and was last updated 6 May 2018 at 12:53 by Ron Laden.

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6 May 2018 at 09:41 #9180
Ron Laden
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@ronladen17547
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6 May 2018 at 09:41 #352980
Ron Laden
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@ronladen17547
Hi guys,

A beginners question if I may.

I have some oilite bushes to fit to chassis side plates plus pinion gears to fit to motor shafts. Can you tell me what dimensions I should aim for to give a good interference fit.

Regards

Ron
6 May 2018 at 09:44 #352982
Hopper
Participant
@hopper
One thou per inch of diameter is rule of thumb.
6 May 2018 at 10:00 #352989
Ron Laden
Participant
@ronladen17547
Thank you Hopper

Ron
6 May 2018 at 10:15 #352996
JasonB
Moderator
@jasonb
Oilite bushes are usually oversize as supplied and press into a H8 reamed hole of the nominal size hole this will also close up the internal bore to the correct size. This will give you an idea of the clearances that meet H8
6 May 2018 at 12:53 #353035
Ron Laden
Participant
@ronladen17547
Thank you Jason, thats something I didnt know about the oilites and the H8 listing is very useful.

Cheers

Ron
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Interference fit

Interference fit

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