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Drying motor speed


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#1 jfred17

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Posted 31 January 2017 - 04:53 PM

I've been reading a bunch of back posts on random topics and came across a couple of things that I might be confused about. Do some people use a faster motor to apply the epoxy and then a slower one for the actual drying? I use my 18 rpm for epoxy applying and drying. But I also have a 6 rpm one that I don't really use but wondering if slower is better for drying? 

 



#2 phg

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Posted 31 January 2017 - 07:10 PM

For drying, it really doesn't matter.  I find the 18rpm is easier for applying epoxy, but I used a 6rpm for a couple of years before I broke down and purchased the 18.  Applying epoxy at 6rpm requires a steady hand and a lot of patience.   Ten seconds is a long time to wait!

 

If you are working on a couple of rods, I'd use the 6 for drying, and the 18 for applying finish.



#3 ANR

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Posted 01 February 2017 - 01:58 AM

For drying I find slower is better.
For applying it's personnal preference (I like 30/100rpm but with a slip clutch or sometime by hands).

#4 jfred17

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Posted 01 February 2017 - 08:31 AM

Cool, thanks for the responses. My first few I built I did on the 6 rpm, couldn't stand it either, it was so slow! So I went up to the 18 and found it a better speed for me. 



#5 John T.

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Posted 01 February 2017 - 08:39 AM

6 rpm is real slow for applying epoxy.  I did this when I first started and found that the epoxy started to set up before I got a long rod finished.  Multiple piece rods were done in sections with different batches of epoxy.   I have an 8 rpm motor for applying and a 4 rpm microwave motor for drying.  Hmmm..a rhyme here- applying and drying. B)  Such talent!


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#6 jsid6g

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Posted 01 February 2017 - 06:25 PM

 ""speed "" it  depends on what you like , but as a rule apply at a faster speed an change over to the slower speed to dry ,less foot balls on the guides I think, by drying at a slower speed,

  just how I think an it works for me ,  I use 60 RPM to apply an 6 RPM to dry   



#7 Goduster

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Posted 01 February 2017 - 08:06 PM

Footballs are caused by too much epoxy, not speed.  My dryers are 6 and 8 RPM, and I apply at 200 RPM


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#8 Tomah

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Posted 12 February 2017 - 08:50 PM

Footballs are caused by too much epoxy, not speed.  My dryers are 6 and 8 RPM, and I apply at 200 RPM

That's how you can get nice, clean edges on the finish. I have a most unsteady hand, and can really get the shakes with a light-weight brush and the urgency of epoxy operations. My 11 rpm dryer makes it tough for me.



#9 John T.

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Posted 13 February 2017 - 09:49 AM

Use a piece of wood or hard foam rubber as a hand rest.  Helps keep the edges clean and consistent.


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