faodail
off to a rocking start
Member since February 2018
Posts: 24
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Post by faodail on Feb 7, 2018 15:58:20 GMT -5
Silly question. here (well 2 actually)
1. What exactly is deburring? Is it removing minute particles and "smoothing" out the finish? Is deburring the stage where the soap is used?
I plan to start in the rotary and finish the polishing stages in the vibratory (but did buy an extra Lortone barrel for polish just in case).
2. One of the members posted a great tutorial on rocking- (Andrew I think). He suggested the use of borax at the start and end of every stage. Would a final run with borax substitute for deburring at the end?
As I read it with my novice eyes it looks like adding a day each side of a cycle dedicated to borax, is this how I should read it?
Thanks all
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Wooferhound
Cave Dweller
Lortone QT66 and 3A
Member since December 2016
Posts: 1,432
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Post by Wooferhound on Feb 7, 2018 16:37:30 GMT -5
I'm pretty sure that deburring refers to taking off the sharp edges after cutting metal or glass
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Post by parfive on Feb 7, 2018 17:25:20 GMT -5
The term you’re thinking of/looking for is burnish, typically a final rinse/stage using Borax soap.
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Post by spiceman on Feb 7, 2018 19:23:11 GMT -5
Deburring is the removal of sharp edges. Borax does the burnish process. Add it to every stage but the first. Some don't put it in the last but some do. The difference is very slight but the rocks may not polish very well.
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quartz
Cave Dweller
breakin' rocks in the hot sun
Member since February 2010
Posts: 3,352
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Post by quartz on Feb 7, 2018 23:31:10 GMT -5
I finish the tumbling process, after polish, by running the load for a week in a dry laundry soap wetted to a medium pancake batter thickness. This is my "burnish" run, it adds a bit to the quality of polish, especially on the pet. wood we hunt and tumble. Best way to see if it helps your process is to give it a try.
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Post by aDave on Feb 7, 2018 23:45:38 GMT -5
I finish the tumbling process, after polish, by running the load for a week in a dry laundry soap wetted to a medium pancake batter thickness. This is my "burnish" run, it adds a bit to the quality of polish, especially on the pet. wood we hunt and tumble. Best way to see if it helps your process is to give it a try. If that works for you...great. That just seems a bit long IMHO. 6 hours works quite well for me me in a burnish stage with a rotary tumbler. I've not not yet tested anything that would justify a one week burnish stage after polish, but I also can't see the reason for doing so. OK, just saw your reasoning below. Edited due to additional info. Dave
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Wooferhound
Cave Dweller
Lortone QT66 and 3A
Member since December 2016
Posts: 1,432
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Post by Wooferhound on Feb 7, 2018 23:54:53 GMT -5
I am burnishing for an hour They will polish without it But it helps
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quartz
Cave Dweller
breakin' rocks in the hot sun
Member since February 2010
Posts: 3,352
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Post by quartz on Feb 8, 2018 0:38:52 GMT -5
I guess I should have said that I run 5 gallon barrels, 50 lbs. of rock, so cleaning out the finish barrel has a fairly large time involvement, one reason I let it run so long; right now life is taking a big chunk of my time.
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faodail
off to a rocking start
Member since February 2018
Posts: 24
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Post by faodail on Feb 8, 2018 5:28:23 GMT -5
Thanks everyone. Got the terms right now.
I guess that reading through everyone's answer is that the length of time of the burnish stage is based on either a personal preference or personal experience. I will try out different methods- part of the learning.
I like the practical application of using it to clean out the barrels.
Cheers
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Post by aDave on Feb 8, 2018 12:58:57 GMT -5
I guess I should have said that I run 5 gallon barrels, 50 lbs. of rock, so cleaning out the finish barrel has a fairly large time involvement, one reason I let it run so long; right now life is taking a big chunk of my time. Ahh. That makes alot of sense. I didn't realize that. I was thinking on a much smaller scale. I wouldn't want to change that out after just a few hours.
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