Twin 30" Belt Sander/Grinder

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shophermit
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Twin 30" Belt Sander/Grinder

Postby shophermit » Wed Apr 19, 2017 11:28 am

I completed my latest casting project back in November. Its a small 30" twin belt sander/grinder for general use around the shop for shaping and finishing small wood and metal parts and cleaning, touching-up and sharpening general shop tools such as center punches, drill bits, chisels etc. It does a great job with all of these tasks and gets used on a daily basis.

Full build documentation is available on my site at: http://www.hobbyworkshopprojects.com/

Here are some pictures of the completed sander/grinder.

64.JPG


65.JPG


68.JPG


70.JPG


CB

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SteveHGraham
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Re: Twin 30" Belt Sander/Grinder

Postby SteveHGraham » Wed Apr 19, 2017 12:11 pm

Really impressive.
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BigDumbDinosaur
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Re: Twin 30" Belt Sander/Grinder

Postby BigDumbDinosaur » Wed Apr 19, 2017 2:57 pm

shophermit wrote:I completed my latest casting project back in November.

Looks great. Is that a standard bench grinder motor that you used for power?
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BadDog
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Re: Twin 30" Belt Sander/Grinder

Postby BadDog » Wed Apr 19, 2017 3:02 pm

Not entirely sure about sufficient power or speed, but VERY nice execution.
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SteveHGraham
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Re: Twin 30" Belt Sander/Grinder

Postby SteveHGraham » Wed Apr 19, 2017 3:09 pm

Steel or aluminum?
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shophermit
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Re: Twin 30" Belt Sander/Grinder

Postby shophermit » Wed Apr 19, 2017 5:12 pm

BigDumbDinosaur wrote:
shophermit wrote:I completed my latest casting project back in November.

Looks great. Is that a standard bench grinder motor that you used for power?


Yes 6" grinder, fully explained in my build.

CB

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shophermit
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Re: Twin 30" Belt Sander/Grinder

Postby shophermit » Wed Apr 19, 2017 5:20 pm

BadDog wrote:Not entirely sure about sufficient power or speed, but VERY nice execution.


This was designed as a light machine for small general shop work. It has lots of power for the size belt its running and the work its ment to do (I can't stall it). The speed is 2600 fpm, If it was a larger machine designed for heavy metal removal I would want closer to 5000 fpm but that is not the case here.

CB

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shophermit
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Re: Twin 30" Belt Sander/Grinder

Postby shophermit » Wed Apr 19, 2017 5:25 pm

SteveHGraham wrote:Steel or aluminum?


The frame is cast aluminum. In my build documentation I take you through the pattern making and casting process. Tool rest assemblies and top wheels are aluminum and the tilt and tension assemblies are welded and bolted steel.

CB


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