Re: [CAD_CAM_EDM_DRO] Bridgeport 2J-2 Head Noise

Hi Jon,

I will take your advice and check it out when I've finished the present job
sitting on the machine. A little longer won't make too much difference it
has been making noises since I got it many years ago. thought nothing of it
until this thread came up.

Regards,

Terry

> James Owens wrote:
>
> >Hi,
> >
> >I have a clanking sound coming from my Bridgeport clone, it is

manufactured

> >to the same design. It is coming from the back-gear undernieth the front
> >pulley. It is something I intend to sort out when something breaks or I

can

> >take it out of service for a while.
> >
> >
> This is an exceedingly bad course to take! Replacing a bad bearing
> will cost $10 and take half an hour. Replacing the belt housing
> castings could easily cost $1000, by wild guess. The pinion shaft
> that is the shaft the big toothed pulley runs on is supported by
> 2 motor-grade bearings that any bearing house will have.
>
> If the problem is actually in the bearings that support the bull gear,
> that may cost a bit more, and be just a little harder to change out,
> but you still don't want to destroy very expensive castings due to
> inaction.
>
> Jon