[Rockhounds] 18 inch saw has a problem

[rockhounds at adelphia.net]

I will try that  and report back!
Kelly
---- Kreigh Tomaszewski <Kreigh at Tomaszewski.net> wrote: 
> The pictures got stripped off, but from your description it sounds like 
> the feed is not quite aligned with the blade. As the cut progresses the 
> blade is slightly dished from the misalignment and cuts a wider kerf as 
> a result.
> 
> Put something in the vise that just contacts the blade as the cut 
> starts, and advance the feed to see where it is as the cut progresses.
> 
> You might do better to put something into the vise that just contacts 
> the blade at the end of the feed, and back it up to the start to see 
> how far off the alignment is.
> 
> A wide kerf can also be caused by having the feed not wuite at right 
> angles to the blade, so that the blade appears to wobble. Put something 
> into the vise that just touches the blade, and hand turn the blade to 
> make sure the contact is the same as the blade turns a full circle. Try 
> it at several spots along the feed.
> 
> Minor misalignments have negative effect on big blades. If you use a 
> pencil as the something in the vise it leaves a nice mark on the blade 
> to show misalignment.
> 
> Kreigh
> 
> 
> 
> 
> 
> On Sunday, Jul 27, 2008, at 20:45 America/Detroit, 
> <rockhounds at adelphia.net> wrote:
> 
> > MY OLD 18 inch saw stripped the shaft a while back. Had it 
> > welded/repaired and now finally got it back together. When I cut a 
> > rock now the saw has a gap of about 3/8 of an  inch at the end of the 
> > cut  yet is still in contact with the blade at the point the cut 
> > started.
> > At one point the whole delivery system was taken apart.
> > The saw is similar to the old convington type of design with the screw 
> > and saw powered by one motor.
> > The blade looks to be true.
> > Any ideas on the problem?
> > I attached 2 photos
> >
> >
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