Re: Spindle motor drive belts MAXNC 10

Sherline's motors are speced at 3K rpm?

What mods are you performing to get them to run at 7K? Any problems with
bearings or heat?

Paul
-----Original Message-----
From: Jon Anderson <janders@...>
To: CAD_CAM_EDM_DRO@onelist.com <CAD_CAM_EDM_DRO@onelist.com>
Date: Thursday, November 04, 1999 9:24 AM
Subject: Re: [CAD_CAM_EDM_DRO] Spindle motor drive belts MAXNC 10

>From: Jon Anderson <janders@...>
>
>Jon Elson wrote:
>
>> Are you getting the belts tight enough? If they are a bit loose,
>> and slipping, it could wear down the driving surface.
>
>As I mentioned earlier, I'm running a Sherline spindle to over 7,000
>rpm. This is well beyond Sherline design specs. One thing I've done to
>help bearings last is reduce belt tension. By most anyone's standards,
>I'm running a loose belt. Spindle mass is greatly reduced with the small
>pulley I'm using and I have no problems with either belt slipping, or
>wear. Been using the same belt for close to 2 years now.
>
>Jon
>
>>Welcome to CAD_CAM_EDM_DRO@...,an unmoderated list for the

discussion of shop built systems in the above catagories.

>To Unsubscribe, read archives, change to or from digest.
>Go to: http://www.onelist.com/isregistered.cgi
>Log on, and you will go to Member Center, and you can make changes there.
>For the FAQ, go to http://www.ktmarketing.com/faq.html
>bill,
>List Manager