Air rotor tool by GRS

[DARNEW]

I was looking at the GRS catalog and noticed the new air hand rotor tool. I have used the fordoms and like them. I was just wanting to see if someone out there has one and how they feel about its performance. Thankyou, Doug

 

[Peter E]

Doug,
If you are referring to the GRS 850A rotory handpiece, I have one as well as a Foredom Model H, high speed bench grinder and Dremel.

The 850A is in a totally different category. The 850A is 300,000 - 400,00 rpm vs 15,000 - 30,000. If torque is needed, the 850A is not as good os the Foredom, etc. If precision and efficiency is a priority, the 850A excels.

If you do a search, there was a thread that went into a lot of details.

Good luck,
Peter

 

[carl bleile]

the GRS at high speed can burn up a lot of cutters, reduce the speed and you lose torque. the slightest mistouch can cause a major repair or ruined piece. could be very usefull in jewelry.

 

[DARNEW]

Thanks, Iam thinking about using it to remove the background behind the scroll work. Right now Iam using my square and flat gravers but it is really slow.

 

[Peter E]

As Carl mentioned, using the GRS for backround removal has its risks. The slightest mistake causes some fast damage to your work. That being said, I can do some very precise work that my Foredom flexible shaft isn't good for.

If you have a chance, try one out.

Peter