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Electric vs Air - Cost Effective
Last Post 24 Nov 2008 11:37 PM by Norm Walters. 6 Replies.
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Andy
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24 Nov 2008 11:17 AM  
I am debating this whole pneumatic sander idea.  We have been sanding with air sanders for over 20 years and I have started to wonder if the electric bill is higher because the air compressor is running most of the day.

Does anyone know if it is less money to run air equipment or electric?
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Jon Olson
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24 Nov 2008 12:50 PM  
What kind of air compressor do you have?
 
If it's a screw do you have a holding tank?
 
When large motors start up you see a big electrical surge. Electric companies hate that.
 
Will be harder to use the electric sanders? Thus causing bigger labor cost?
 
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Andy
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24 Nov 2008 03:07 PM  
We have a screw type with holding tank.  Unit runs and then goes into a neutral state until air is needed.  The system is still running though.

I wouldn't mind using air on certain things, but when the compressor is running all day, it seems like it is using lots of electricity.

Does the electrical surge add to the expense?
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Gene McDonald
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24 Nov 2008 03:47 PM  
I sanded alot with air sanders. Now I only sand with electric in the shop and on the job...it might show difference..compressor Da sanding in shop, then when you install you sand the field seam with electric sander...not sure if im be petty or not..If i use electric on the job, then its in the shop...now Im using a compressor cause im taking on some cabinetry for nail guns...other than that compressor is good to blow dust off your tools...major production shops probaly need air

but add up all the dust from sanding in the shop x labor to clean up too
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Norm Walters
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24 Nov 2008 06:47 PM  
I'm surprised no one has come up with an idea to reuse the exhaust air from air tools. Whether you reintroduce it back into the air supply, or use it to create a vacuum for dust collection.
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Andy
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24 Nov 2008 07:08 PM  
3m has a sander that uses exhaust air to collect the dust and shot it into a dust bag.
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Norm Walters
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24 Nov 2008 11:37 PM  
Day late, dollar short, story of my life.
Norm
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