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How Do You Grind Glass? #14583416 02/18/20
Joined: Dec 2002 Posts: 14,195 Marshall NC S simonkenton7 OP Campfire Outfitter
OP simonkenton7 Campfire Outfitter S Joined: Dec 2002 Posts: 14,195 Marshall NC	I have this beautiful antique kerosene lamp. When they moulded the lamp they left a little rim of glass going around the middle of the finger grip. This little rim sticks up about 1/16 of an inch. It digs into your finger when you hold the lamp. I am a carpenter not a glass worker I don't know how to fix it. Is there some kind of round file that I can use to grind down this little rim? I just tried my ceramic stick knife sharpener, it doesn't work.

GB1

Re: How Do You Grind Glass? simonkenton7 #14583431 02/18/20
Joined: Feb 2010 Posts: 17,927 1 16bore Campfire Ranger
16bore Campfire Ranger 1 Joined: Feb 2010 Posts: 17,927	I’d think a diamond file.

Re: How Do You Grind Glass? simonkenton7 #14583453 02/18/20
Joined: Feb 2009 Posts: 11,914 Plains,Texas P plainsman456 Campfire Outfitter
plainsman456 Campfire Outfitter P Joined: Feb 2009 Posts: 11,914 Plains,Texas	Glass is made up from sand so i think some fine paper might wear it down. A little at a time.Grits i have no clue about but it's worth a try.

Re: How Do You Grind Glass? simonkenton7 #14583480 02/18/20
Joined: Jun 2019 Posts: 9,908 H Hotrod_Lincoln Campfire Outfitter
Hotrod_Lincoln Campfire Outfitter H Joined: Jun 2019 Posts: 9,908	Use a variable speed Dremel tool and a diamond dust coated burr. Slow speed, gentle pressure, and don't let the heat build up. Getting the glass hot will make it crack. Doing the cut under a slow stream of lukewarm water in the kitchen sink might be a good idea. Jerry Ignorance can be fixed. Stupid is forever!

Re: How Do You Grind Glass? simonkenton7 #14583506 02/18/20
Joined: Jul 2005 Posts: 6,756 humboldt C Craigster Campfire Tracker
Craigster Campfire Tracker C Joined: Jul 2005 Posts: 6,756 humboldt	Wet sand with wet/dry paper. Start with 80 or 100 grit and work up. Old Corps Semper Fi Get off my lawn. FJB

IC B2

Re: How Do You Grind Glass? simonkenton7 #14583636 02/18/20
Joined: May 2010 Posts: 7,346 The West Mountain P Poconojack Campfire Tracker
Poconojack Campfire Tracker P Joined: May 2010 Posts: 7,346 The West Mountain	I’d leave it as it is, mold line helps to validate authenticity. Additionally, it will have to be polished after being removed or it will look worse than it feels now. If you must, Aluminum Oxide backed sandpaper will do the job. "When the going gets weird, the weird turn pro." Hunter S. Thompson

Re: How Do You Grind Glass? simonkenton7 #14583703 02/18/20
Joined: Jun 2001 Posts: 8,651 Sweden jpb Campfire Outfitter
jpb Campfire Outfitter Joined: Jun 2001 Posts: 8,651 Sweden	A coarse diamond file. You will have many uses for it later, sharpening hoes, shovels, lawn mower blades... 10 bucks at Amazon John

Re: How Do You Grind Glass? simonkenton7 #14583808 02/18/20
Joined: Dec 2019 Posts: 17,065 OldmanoftheSea Campfire Ranger
OldmanoftheSea Campfire Ranger Joined: Dec 2019 Posts: 17,065	Slowly.. There is some sort of abrasive paste they use for grinding lenses... It might be enough to soften the edge a bit.. -OMotS "If memory serves fails me..." Quote: ( unnamed) "been prtty deep in the cooler todaay " Television and radio are most effective when people question little and think even less.

Re: How Do You Grind Glass? simonkenton7 #14583834 02/18/20
Joined: Jan 2003 Posts: 5,202 Eastern North Carolina Snyper Campfire Tracker
Snyper Campfire Tracker Joined: Jan 2003 Posts: 5,202 Eastern North Carolina	It can be done with a Dremel tool and tungsten bits, but it should be done in water. One shot, one kill........ It saves a lot of ammo!

Re: How Do You Grind Glass? simonkenton7 #14583916 02/18/20
Joined: Dec 2005 Posts: 3,019 akasparky Campfire Tracker
akasparky Campfire Tracker Joined: Dec 2005 Posts: 3,019	Vibrating sander, do it all the time for table top edges not a big deal... 400 grit + or - Padded VA Hospital Rooms for $1000 Alex Originally Posted by renegade50 My ignoree,s will never be Rock Stars on 24 hr campfire.....Like me!!!! What are psychotic puppet hunters?

IC B3

Re: How Do You Grind Glass? simonkenton7 #14583953 02/18/20
Joined: Mar 2011 Posts: 8,210 E TN,..yep, thats right! T tndrbstr Campfire Outfitter
tndrbstr Campfire Outfitter T Joined: Mar 2011 Posts: 8,210 E TN,..yep, thats right!	I’d try the dremel approach with a small drum sanding attachment.

Re: How Do You Grind Glass? tndrbstr #14584013 02/18/20
Joined: Apr 2011 Posts: 151,114 Texas hanco Campfire Savant
hanco Campfire Savant Joined: Apr 2011 Posts: 151,114 Texas	Originally Posted by tndrbstr I’d try the dremel approach with a small drum sanding attachment. That, keep it cool.

Re: How Do You Grind Glass? Hotrod_Lincoln #14584069 02/18/20
Joined: Oct 2011 Posts: 59,046 Next to the dump that Del Shan... 12344mag Campfire Kahuna
12344mag Campfire Kahuna Joined: Oct 2011 Posts: 59,046 Next to the dump that Del Shan...	Originally Posted by Hotrod_Lincoln Use a variable speed Dremel tool and a diamond dust coated burr. Slow speed, gentle pressure, and don't let the heat build up. Getting the glass hot will make it crack. Doing the cut under a slow stream of lukewarm water in the kitchen sink might be a good idea. Jerry Do as HRL suggests. Paul "I'd rather see a sermon than hear a sermon".... D.A.D. Trump Won!, Sandmann Won!, Rittenhouse Won!, Suck it Liberal Fuuktards. molɔ̀ːn labé skýla

Re: How Do You Grind Glass? simonkenton7 #14584362 02/18/20
Joined: Jan 2007 Posts: 5,316 Eastern N.C. Triggernosis Campfire Tracker
Triggernosis Campfire Tracker Joined: Jan 2007 Posts: 5,316 Eastern N.C.	Don't sand it, don't grind it. Instead, take a propane or MAPP gas torch (a mini torch would work perfect) and heat it until the glass starts to melt - it will smooth right out. It should only take about 15-30 seconds of direct heat. Then cut the flame and let it cool naturally at room temperature. Seriously, it will work like a charm. That's how we "polished" the ends of glass rod and tubing in the chemistry lab, except we usually used alcohol burners instead of torches.

Re: How Do You Grind Glass? simonkenton7 #14584687 02/18/20
Joined: Jun 2005 Posts: 8,894 just N. of Texas O okie Campfire Outfitter
okie Campfire Outfitter O Joined: Jun 2005 Posts: 8,894 just N. of Texas	Glass edges (glass panes) are normally ground with diamond wheels at high speed water cooled. However you can easily de-burr an edge like that with a Dremel and small sanding drum just keep it moving as to build up little to no heat. Emery cloth will likewise knock that edge off wrap it around a flat tool like a file and knock the burrs off. probably no need to use too coarse a grit work down and polish if needed. worked in the glass industry 3 1/2 decades. One man with courage makes a majority.... ~Molɔ̀ːn Labé Skýla~

Re: How Do You Grind Glass? simonkenton7 #14584734 02/18/20
Joined: Feb 2018 Posts: 10,121 Kentucky Hills R reivertom Campfire Outfitter
reivertom Campfire Outfitter R Joined: Feb 2018 Posts: 10,121 Kentucky Hills	Originally Posted by simonkenton7 I have this beautiful antique kerosene lamp. When they moulded the lamp they left a little rim of glass going around the middle of the finger grip. This little rim sticks up about 1/16 of an inch. It digs into your finger when you hold the lamp. I am a carpenter not a glass worker I don't know how to fix it. Is there some kind of round file that I can use to grind down this little rim? I just tried my ceramic stick knife sharpener, it doesn't work. A Dremel with a round burr or stone is your friend.

Re: How Do You Grind Glass? Triggernosis #14584940 02/18/20
Joined: Jan 2004 Posts: 11,382 SW Missouri Cheesy Campfire Outfitter
Cheesy Campfire Outfitter Joined: Jan 2004 Posts: 11,382 SW Missouri	Originally Posted by Triggernosis Don't sand it, don't grind it. Instead, take a propane or MAPP gas torch (a mini torch would work perfect) and heat it until the glass starts to melt - it will smooth right out. It should only take about 15-30 seconds of direct heat. Then cut the flame and let it cool naturally at room temperature. Seriously, it will work like a charm. That's how we "polished" the ends of glass rod and tubing in the chemistry lab, except we usually used alcohol burners instead of torches. That’s the first thing I thought of as well.

Re: How Do You Grind Glass? Cheesy #14585033 02/18/20
Joined: May 2010 Posts: 7,346 The West Mountain P Poconojack Campfire Tracker
Poconojack Campfire Tracker P Joined: May 2010 Posts: 7,346 The West Mountain	Originally Posted by Cheesy Originally Posted by Triggernosis Don't sand it, don't grind it. Instead, take a propane or MAPP gas torch (a mini torch would work perfect) and heat it until the glass starts to melt - it will smooth right out. It should only take about 15-30 seconds of direct heat. Then cut the flame and let it cool naturally at room temperature. Seriously, it will work like a charm. That's how we "polished" the ends of glass rod and tubing in the chemistry lab, except we usually used alcohol burners instead of torches. That’s the first thing I thought of as well. Wouldn’t this subject the glass to severe thermal shock? "When the going gets weird, the weird turn pro." Hunter S. Thompson

Re: How Do You Grind Glass? simonkenton7 #14585138 02/18/20
Joined: Jun 2005 Posts: 8,894 just N. of Texas O okie Campfire Outfitter
okie Campfire Outfitter O Joined: Jun 2005 Posts: 8,894 just N. of Texas	You can heat it up but the chance a piece like that could have a small defect in it is pretty high and could easily break or shatter hardly worth the effort. Just sand file or grind it in a careful manner it will only take a few minutes.... One man with courage makes a majority.... ~Molɔ̀ːn Labé Skýla~

Re: How Do You Grind Glass? Poconojack #14585419 02/19/20
Joined: Jan 2003 Posts: 5,202 Eastern North Carolina Snyper Campfire Tracker
Snyper Campfire Tracker Joined: Jan 2003 Posts: 5,202 Eastern North Carolina	Originally Posted by Poconojack Originally Posted by Cheesy Originally Posted by Triggernosis Don't sand it, don't grind it. Instead, take a propane or MAPP gas torch (a mini torch would work perfect) and heat it until the glass starts to melt - it will smooth right out. It should only take about 15-30 seconds of direct heat. Then cut the flame and let it cool naturally at room temperature. Seriously, it will work like a charm. That's how we "polished" the ends of glass rod and tubing in the chemistry lab, except we usually used alcohol burners instead of torches. That’s the first thing I thought of as well. Wouldn’t this subject the glass to severe thermal shock? Yes it would. One shot, one kill........ It saves a lot of ammo!

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