Shop Floor Talk  

Go Back   Shop Floor Talk > Welding and Metalworking Forums > Fabrication

SFT Search:   
Reply
 
Thread Tools Display Modes
  #21  
Old 09-11-2012, 02:54 PM
Big_Eddy's Avatar
Big_Eddy Big_Eddy is offline
Senior Member
 
Join Date: Sep 2007
Location: Ontario
Posts: 307
Default

I have a friend who's wife works for a roofing company. I was lucky enough to get a bin full of copper scraps from them a few years back. I made a number of flowers and leaves using these scraps. I used tin snips to cut them out, then used a ball pein hammer to texture them, focussing on the edges to remove all evidence of the snips. I used copper water line (fridge) and wire for stems and trunks, tigging them on. Tigging copper is fun!

I still have a jug of pickling vinegar under my laundry tub that I used to brighten up copper items. I wouldn't worry about discolouration while making them, then would soak them for a day or 2 in the vinegar. I would then add colour back using a propane torch and clearcoat them.

I gave him back a couple of copper roses and we called it even.
Reply With Quote
  #22  
Old 09-11-2012, 03:38 PM
camdigger's Avatar
camdigger camdigger is offline
Roving Reporter
 
Join Date: Aug 2008
Location: Central Oilberta
Posts: 4,189
Default

Quote:
Originally Posted by Big_Eddy View Post
I have a friend who's wife works for a roofing company. I was lucky enough to get a bin full of copper scraps from them a few years back. I made a number of flowers and leaves using these scraps. I used tin snips to cut them out, then used a ball pein hammer to texture them, focussing on the edges to remove all evidence of the snips. I used copper water line (fridge) and wire for stems and trunks, tigging them on. Tigging copper is fun!

I still have a jug of pickling vinegar under my laundry tub that I used to brighten up copper items. I wouldn't worry about discolouration while making them, then would soak them for a day or 2 in the vinegar. I would then add colour back using a propane torch and clearcoat them.

I gave him back a couple of copper roses and we called it even.
Out of curiosity, did you have to anneal the copper before the hammer work?
__________________
Design to 0.001", measure to 1/32", cut with an axe, grind to fit..
Reply With Quote
  #23  
Old 09-12-2012, 11:20 AM
Big_Eddy's Avatar
Big_Eddy Big_Eddy is offline
Senior Member
 
Join Date: Sep 2007
Location: Ontario
Posts: 307
Default

I didn't anneal the copper before the hammer work. I did find that the copper would tend to work harden and I used my propane torch to heat it after hammering. Made the next steps in forming petals with pliers a lot easier. If I did too much hammering along the edges there would be small cracks that formed unless I "softened" the copper by heating it and allowing it to cool again.

Never did figure out the magic combination of heating and cooling but would heat to the point where the copper would change colour then allow to air cool. I probably should have looked up the proper method but it did the trick well enough for what I was doing.
Reply With Quote
  #24  
Old 09-12-2012, 12:11 PM
camdigger's Avatar
camdigger camdigger is offline
Roving Reporter
 
Join Date: Aug 2008
Location: Central Oilberta
Posts: 4,189
Default

Quote:
Originally Posted by Big_Eddy View Post
I didn't anneal the copper before the hammer work. I did find that the copper would tend to work harden and I used my propane torch to heat it after hammering. Made the next steps in forming petals with pliers a lot easier. If I did too much hammering along the edges there would be small cracks that formed unless I "softened" the copper by heating it and allowing it to cool again.

Never did figure out the magic combination of heating and cooling but would heat to the point where the copper would change colour then allow to air cool. I probably should have looked up the proper method but it did the trick well enough for what I was doing.
AFAIK, copper anneals by the temperature cycling you have done.
__________________
Design to 0.001", measure to 1/32", cut with an axe, grind to fit..
Reply With Quote
  #25  
Old 09-12-2012, 05:44 PM
edwardn's Avatar
edwardn edwardn is offline
Senior Member
 
Join Date: Feb 2010
Location: Canada and Mexico
Posts: 401
Default

Good deal on the copper, I wish I had contacts like that... next time home i will go through the copper rose thread posted on here and give it a go, sorry at the moment I cant remember who posted it but it is a great thread.
Camdigger, I annealed the leaves when i brazed the stems on but in hind site that made it tougher cleaning them on the wire wheel because they were so soft until I learnt to wire wheel the front first then the back as when I did it this way the out side of the leaves bent forward giving them a more natural look... in the end when i started using the acid ( toilet bowl cleaner ) it wouldnt matter if they were annealed as the acid cleaned them enough as to reduce the amount of cleaning needed on the wire wheel. On the other hand some peices such as the towel on the golf bags were annealed a few times to prevent them from cracking.

Cheers
EDD
__________________
4X8 Drop side Dynatorch CNC plasma Table
1250 Hypertherm plasma cutter
Hobart Handler 187
King 7x12 Metal Bandsaw
Ridgid 12" Compound Miter saw
Ridgid 10" table saw
Ridgid 15" Drill Press
Reply With Quote
  #26  
Old 04-05-2013, 01:14 PM
CopperSmith CopperSmith is offline
Newbie
 
Join Date: Apr 2013
Location: Minneapolis, MN
Posts: 3
Default

That is some excellent copper work ED.
__________________
Browse the Collection.

CopperSmithCollection.com
Reply With Quote
  #27  
Old 04-05-2013, 01:22 PM
LW Hiway's Avatar
LW Hiway LW Hiway is offline
Lord of the Minions
 
Join Date: Jun 2005
Location: Fuck Lake Charles
Posts: 21,434
Thumbs up

Nice update on your thread here Ed. I love the golf bags.

I know of one dedicated golfer here at work, but don't think enough of him to spend any time on a project for him like this.
__________________
God, if you would grant me one request through Prayer, please help me be the Man my Dog thinks I am. Please.

Quoting "The Hunt". "A man will walk into hell with both eyes and arms wide open. His dog will know better."

I never thought I'd live long enough to become a grumpy old bastard. Here I am, killing it!
Reply With Quote
Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump

Web Search:

All times are GMT -5. The time now is 11:14 PM.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2022, vBulletin Solutions Inc.