Dynabrade 61318 Locking Random/Rotary Orbital Head Assembly

Kevin Brown

Kevin Brown

New member
Has anyone tried one yet? About $157.00.



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C. Charles Hahn said:
I was just a little surprised given that Kevin seems to be big on "long stroke" DAs, as opposed to something that has a tighter orbit than a standard PC.
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Judging from the schematic... it creates a true and centered rotary action!



It can handle 12,000 RPM. It is also available in a 6" version (#61321).



Not that there are many buffing pads that would safely run at that speed, but it sure would be fun seeing how flat they get! :heh:



The stroke isn't all that big, but it is still capable of creating quite a bit of rotation. It seems that this gadget would be ideal for use with sanding discs- random mode for sanding, and rotary mode for grinding.



On small or skinny parts, or in confined areas (where a large stroke machine wouldn't reasonably work), this unit would be nice to have in the arsenal.
 
Thanks Kevin, I was asking about the other one you posted. now you posted up this, I will be looking into it for sure.
 
I ordered one of these, they are hard to come by, but it's supposed to be here this week... I have the previous model, so I will have to do a comparison...
 
Tom Weed said:
I ordered one of these, they are hard to come by, but it's supposed to be here this week... I have the previous model, so I will have to do a comparison...
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Tom where did you get it, there was only one website that seemed to carry it "rshuges"
 
hacadacalopolis said:
Tom where did you get it, there was only one website that seemed to carry it "rshuges"
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I first called Ntxtools and they told me they had two in stock, so I ordered one, after week, I asked them about it and they said it would be a couple of days before it would ship since they didn't stock them... After another week, they told me it would take an additonal 7-10 days since Dynabrade would have to make it and ship it to them. I canceled that order and placed an order with Abrasivestore.com, they told me they would ship out this week. I didn't shop at rshuges...
 
Tom Weed said:
I first called Ntxtools and they told me they had two in stock, so I ordered one, after week, I asked them about it and they said it would be a couple of days before it would ship since they didn't stock them... After another week, they told me it would take an additonal 7-10 days since Dynabrade would have to make it and ship it to them. I canceled that order and placed an order with Abrasivestore.com, they told me they would ship out this week. I didn't shop at rshuges...
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I hate dealing with that... I did speak with someone from rshughes said he could get it to where dynabrade ships it directly to me.
 
Look what showed up on my front door step today...



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Here it is compared to the previous Dynabrade I own, much much lighter. Can't wait to give it a spin on the Flex 3403, nice lightweight combination...



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Very cool, Tom! Could I bother you to take a picture of the spindle/counterweight assembly with the backing plate removed? I'm curious to see the inner workings compared to the larger unit, particularly the locking mechanism.



Thanks for posting that!
 
C. Charles Hahn said:
Very cool, Tom! Could I bother you to take a picture of the spindle/counterweight assembly with the backing plate removed? I'm curious to see the inner workings compared to the larger unit, particularly the locking mechanism.



Thanks for posting that!
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Here you go...



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The locking mechanism on this unit is the small pin shown locking the spindle in place, as you unlock it, it slides down or in, freeing up the spindle. Sorry, lighting not so great...



Tom
 
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