Re: [ATM] roller bearing vs Slider bearings

[GARY FUCHS <gary@rcn.com>]

Hello Don,

>>I prefer to use hardened stainless steel strip bonded to aluminum or MDF backing.


How do you bond the stainless to the aluminum or MDF?

Thank you,

Gary Fuchs




>Even hard-anodizing is only a few mils thick and does not always stand up to
>extreme stress of the line or point contact "singularity" of a roller
>bearing. I prefer to use hardened stainless steel strip bonded to aluminum
>or MDF backing. Also "way" wipers are essential to keep dust and grit from
>beneath the stone crushing roller bearing wheels. One only has to look at
>the tracks left from the "stone crushing" open roller bearing design on the
>popular crayford to see the effects of dust and grit contamination.
>Hard-anodizing or hardened SS won't prevent an open, exposed roller bearing
>design from performance degradation due to dust and grit contamination.
>
>Don Clement
>Running Springs, California
>
>
>
>Tony wrote:
>I've had success combating the contact stress and galling issue by using a
>hard anodised surface on a hard temper (T6 or T9) alloy like 6061 or 6082.
>It is important to control the load on the roller bearing to manage this
>stress.
>
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