Re: [CAD_CAM_EDM_DRO] drive belt idler

----- Original Message -----
From: "Brad Eyben" <abeyben@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Saturday, October 23, 2004 1:12 PM
Subject: Re: [CAD_CAM_EDM_DRO] drive belt idler


>
> I had the same difficulty on one of my axis drives. I ended up using
> tensioner pulleys from an automotive shop normally used for
> serpentine belts on the front of engines. They come with a bearing already
> pressed in but the only trick is the ID of the bearing is
> an uncommon metric size. I wished to use a standard shoulder bolt to mount
> the pulleys and finally found an adapter to a common size
> bore that worked great. If you go this way I could probably find the part
> number of the adapter.
> Brad
> ----- Original Message -----
> From: "Thomas Powell" <tppjr@...>
> To: <CAD_CAM_EDM_DRO@yahoogroups.com>
> Sent: Saturday, October 23, 2004 1:47 PM
> Subject: [CAD_CAM_EDM_DRO] drive belt idler
>
>
>>
>> I made the assumption (we all know what happens when one does that) that
>> timing belts could be ordered in any length when in actuality there are
>> "industry standards" in lengths. Sometimes with a several tooth jump in
>> length.
>>
>> With this assumption I made my mounting bracket for my servo motor. The
>> belts available in the adjustment range I have are either too small or
>> too
>> long. I can redo the mount but don't particularily want to. I was
>> thinking
>> of going with the longer belt and adding an idler pulley to take up the
>> slack and help keep the longish belt from possible vibration.
>>
>> Now the question. I can't seem to find a smallish idler pulley for a HTD
>> 15mm belt. I am looking for about a 1.5" dia pulley. Any ideas?
>>
>> Thanks,
>>
>> Thomas
>>
>>
>>
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> Addresses:
> FAQ: http://www.ktmarketing.com/faq.html
> FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/
> Post Messages: CAD_CAM_EDM_DRO@yahoogroups.com
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> timg@...
> Moderator: pentam@... indigo_red@... davemucha@...
> [Moderators]
> URL to this group: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO
>
> OFF Topic POSTS: General Machining
> If you wish to post on unlimited OT subjects goto:
> aol://5863:126/rec.crafts.metalworking or go thru Google.com to reach it
> if you have trouble.
> http://www.metalworking.com/news_servers.html
>
> http://groups.yahoo.com/group/jobshophomeshop I consider this to be a
> sister site to the CCED group, as many of the same members are there, for
> OT subjects, that are not allowed on the CCED list.
>
> NOTICE: ALL POSTINGS TO THIS GROUP BECOME PUBLIC DOMAIN BY POSTING THEM.
> DON'T POST IF YOU CAN NOT ACCEPT THIS.....NO EXCEPTIONS........
> bill
> List Mom
> List Owner
>
>
> Yahoo! Groups Links
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