Disc sander runout - Woodworking Talk - Woodworkers Forum
 
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post #1 of 5 Old 04-17-2019, 07:32 PM Thread Starter
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Disc sander runout

I'm shopping for a 12" disc sander. Few stores have them on display around here and on two of those display models I have seen (<$200) have had 1/16" (.0625) runout on the disc face. I think acceptable runout should be more like 0.005".

Am I wrong?

What is acceptable runout for a bench mount 12" disc sander?

The old Delta machines were very good and pretty much bullet proof. Now they seem to be poor quality machines, according to online reviews citing cupped tables and serious runout. What machine(s) would you guys recommend?

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post #2 of 5 Old 04-17-2019, 08:48 PM
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I have a DeWalt 6x48 belt and 10" disc machine but I've never checked the runout. I do some fairly precision small detail with inlays and often very tiny miters on guitar bindings and my 'guess' is that the runout is closer to the 0.005" you mentioned. In using it I don't detect any wobble or runout at all so it has to be small.

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post #3 of 5 Old 05-07-2019, 01:28 PM
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Quote:
Originally Posted by brucet999 View Post
I'm shopping for a 12" disc sander. Few stores have them on display around here and on two of those display models I have seen (<$200) have had 1/16" (.0625) runout on the disc face. I think acceptable runout should be more like 0.005".



Am I wrong?



What is acceptable runout for a bench mount 12" disc sander?



The old Delta machines were very good and pretty much bullet proof. Now they seem to be poor quality machines, according to online reviews citing cupped tables and serious runout. What machine(s) would you guys recommend?
For starts, the old Delta was sold by Stanley, Black and Decker to a Taiwanese firm called Chang Type, International. In spite of building a new US plant to build Delta tools, the word is that it has been all down hill since they took over. Forget about parts support for old Delta or even new Delta.I don't know what your budget is but look for a quality used Delta or Powermatic. You can always get new good tools if you are ready to bite the bullet. Check used machinery dealers. They usually don't bother with junk.

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post #4 of 5 Old 05-07-2019, 11:45 PM
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You want how much precision with a $200 tool? When you start getting into the $450+ range you'll find the precision to be better.

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post #5 of 5 Old 05-10-2019, 11:48 AM
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You want how much precision with a $200 tool? When you start getting into the $450+ range you'll find the precision to be better.
It is just a platten on a motor shaft. I have a crappy Craftsman 6 x 48 belt sander with a 9" aluminum platten disk sander. I never noticed any runout on the disk.

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