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Fine Embellishment Everything from hand engraving and scrimshaw to filework and carving. The fine art end of the knifemaker's craft.

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  #1  
Old 03-06-2009, 01:34 PM
anderskniv anderskniv is offline
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Location: Lysekil, Sweden
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air rotary tool or micro motor rotary tool

Dear friends,

I am ready to buy a rotary tool to complement my GRS engraving station, but I am somewhat confused of what tool should fit me the best. I ave done a search about rotary tools here at this forum but I do not seem to get any wiser.
I am a new beginner at engraving but I have taken the GRS week class with the teacher Sam Alfano.
I will use the tool for regulare background removal in steel and for gold inlays.
Can you please advise me further on what machine to buy.
Thank you so much for your help.

I have attached a picture of my first knife engraving. I engraved on the backspine, so if it would have turned out really bad, I just colud have made me a new back spine....

regards Anders
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File Type: jpg shiraz dagger.jpg (84.0 KB, 93 views)
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  #2  
Old 03-06-2009, 11:02 PM
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Jim Small Jim Small is offline
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Location: Madison, Ga
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Anders.....
Check out this web site....http://www.nsk-nakanishi.co.jp/us/de...73876_995.html

I use the NSK and find it quite sucessful. I use it for background removal...inlay and undercuting for sclupting. It has plenty of torque.
Let others know how it work for you if this should be your choice.
Jim
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  #3  
Old 03-07-2009, 02:37 AM
anderskniv anderskniv is offline
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Thank you Jim,
I am thinking about the GRS 850 as I alreddy have the other Grs tools.
Is it much difference between the Grs tool and the NSK? Would the GRS work as good. The GRS has a RPM between 300,000 and 400,000, and that is about the same range as the NSK?

But if I get me and micro motor, wouldnt It be possible to use it for more different jobs as polishing and maby small drilling jobs and it still could be used to cut away backgrounds like a charm?

Regards Anders
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  #4  
Old 03-07-2009, 11:24 AM
tsterling tsterling is offline
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I use an NSK Electer for my steel carving, and I like it very much. At 35,000 RPM it's not bad about chatter, gives smooth finishes with proper technique, and has ample torque. I've never used an air turbine myself, but some I've heard of don't have much torque.

Here's a link to a steel carving tutorial I did with my NSK micromotor: http://forums.dfoggknives.com/index.php?showtopic=12650

I apologize for using an off-forum link!
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  #5  
Old 03-07-2009, 01:04 PM
anderskniv anderskniv is offline
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Thank you Tom,

That was an really nice tutorial! Thank you for helping me in my decision!
I really love that blade!

Regards Anders
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  #6  
Old 03-08-2009, 10:23 AM
tsterling tsterling is offline
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Hi Anders,

Hope it helps! Good luck in your decision...
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