Ken,

Yes I have tested dry grinding on marble.  What I found was the diamond cut or scratch patterns were different but with 5 X could overcome this somewhat.  However the bigger  problem even with a heap system vac there is still dust that escapes the machine and now you have dust in the customer home. The 40 to 50 %  save on labor will not come true. You will save some time but not 40 to 50 %  we don’t lose 50 of labor even doing a job wet and having to wet vac. If you are loosing over 35 to 40 % then you may need to adjust your methods.

You may in reality save 10 to 15 % but you need to determine how much time you may spend cleaning up any dust that will escape your machine.

John E Freitag

Director

The Stone & Tile School

Office 407-567-7652

Cell 407-615-0134

jfreitag@thestoneandtileschool.com

www.thestoneandtileschool.com

It won’t be long and the technology will be out there but for now I’m not convinced you will save a great deal of time.

From: propartner ken [mailto:propartner@marbleperfect.com]
Sent: Friday, October 19, 2012 12:04 AM
To: Stone and Tile PROS Technical Support
Subject: [sccpartners] dry pads, dust collection

Hi,

has anyone had experience with dry grinding and honing and using a high cfm hepa collection system
can you save 40 to 50 percent on labor time doing this. there are so many dry pads being made available now.
i have been using my cimex planetary a lot on larger jobs and it has a vac port already mounted on it.

thanks

Ken De Melis

Marble Perfect

Ken@marbleperfect.com

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