Shop Floor Talk  

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

SFT Search:   
Reply
 
Thread Tools Display Modes
  #1  
Old 12-06-2015, 04:13 PM
greywynd's Avatar
greywynd greywynd is offline
I can dig it
 
Join Date: Dec 2005
Location: Peterborough, Ontario
Posts: 3,172
Default Laser Welding

One of the companies I'm working with is looking at laser welders for repair work on molds.

Primary use is steel, typically P20's and similar, stainless (can't remember the alloy), and also some copper/beryllium alloys (MoldMax being one of them).

I know there's guys here that have some varied experience with high end stuff, any knowledge of this process?

Since some of the molds are large (up to 90,000 pounds) they are looking at a portable type unit, http://www.or-laser.com/en/lasersystems/evo-mobile/ being one of them.

They're fairly confident that corporate will give the nod, as it will save a lot of out sourcing. Our typical shops for this are about a $3-4000 round trip ride via dedicated truck, with about 20-30 of those a year. Of course the work is also pricey, often 20-30K.

Even if we can keep 10 of these jobs in the shop a year, it should payback the $110,000 pricetag within a year or so.

Sent from my iPhone using SFT
Reply With Quote
  #2  
Old 12-07-2015, 01:54 AM
midmosandblasting's Avatar
midmosandblasting midmosandblasting is offline
Blast this!
 
Join Date: Oct 2005
Location: Calhoun ,Mo
Posts: 7,352
Default

The next question will you be able to keep a qualified operator on it ,or joe from the crashit department.
Reply With Quote
  #3  
Old 12-07-2015, 07:14 AM
weldor2005's Avatar
weldor2005 weldor2005 is offline
Perpetuus Discipulus de Vita
 
Join Date: Feb 2007
Location: Marinette, WI - Menominee, MI
Posts: 2,761
Default

It's been a while since I've operated a laser, but I wonder about the application here. Most lasers are intended for precision and ran off a CNC system, which makes me wonder if you are trying to use a scalpel where clearly a Bowie is called for?

I did some tool and die welding, and it seemed that when repairing molds or dies, it was a heavier process to add the metal and then machine it to tolerances. Just curious I guess, I either saved you a lot of money in a purchase that wont work, or am completely off in the industry now a days. Either way would be neat to see the end game.
__________________
David

David Finch Mixed Media Creations
My YouTube Channel

"Of all of our inventions for mass communication, pictures still speak the most universally understood language." - Walt Disney

"Formal education will make you a living;
Self education will make you a fortune." - Jim Rohn
Reply With Quote
  #4  
Old 12-07-2015, 01:19 PM
greywynd's Avatar
greywynd greywynd is offline
I can dig it
 
Join Date: Dec 2005
Location: Peterborough, Ontario
Posts: 3,172
Default

In this case it's often small amounts of weld required to fix corners of parting lines, but they struggle getting a decent weld without heatshrink, blowing corners away and the like.

Generally after welding it's all hand rework/spotting. Using the laser should minimize the amount of material needing removed, speeding up the process. Also should eliminate a lot of rewelding due to a spot being missed and a few other common issues.

Sent from my iPhone using SFT
Reply With Quote
  #5  
Old 12-08-2015, 12:02 PM
weldor2005's Avatar
weldor2005 weldor2005 is offline
Perpetuus Discipulus de Vita
 
Join Date: Feb 2007
Location: Marinette, WI - Menominee, MI
Posts: 2,761
Default

Quote:
Originally Posted by greywynd View Post
In this case it's often small amounts of weld required to fix corners of parting lines, but they struggle getting a decent weld without heatshrink, blowing corners away and the like.

Generally after welding it's all hand rework/spotting. Using the laser should minimize the amount of material needing removed, speeding up the process. Also should eliminate a lot of rewelding due to a spot being missed and a few other common issues.

Sent from my iPhone using SFT
Yes, but I see that most if not all laser welding applications are autogenous and don't add filler metal. I find you have a different system in mind for this?
__________________
David

David Finch Mixed Media Creations
My YouTube Channel

"Of all of our inventions for mass communication, pictures still speak the most universally understood language." - Walt Disney

"Formal education will make you a living;
Self education will make you a fortune." - Jim Rohn
Reply With Quote
  #6  
Old 12-08-2015, 12:35 PM
greywynd's Avatar
greywynd greywynd is offline
I can dig it
 
Join Date: Dec 2005
Location: Peterborough, Ontario
Posts: 3,172
Default

System we're looking at can go down to .005" filler rod, commonly uses a .015" IIRC.

Any laser stuff I've seen for toolwork is all buildup work with filler.

Sent from my iPhone using SFT
Reply With Quote
  #7  
Old 08-23-2017, 06:06 PM
greywynd's Avatar
greywynd greywynd is offline
I can dig it
 
Join Date: Dec 2005
Location: Peterborough, Ontario
Posts: 3,172
Default

Finally got a chance to try out a system in person for this. Just doing the basics for now, running passes learning how to build up a damaged surface or edge. Filler metal is generally .015 or .020 in diameter. Grabbed a couple pics.

Time for a new signature line!!
Attached Thumbnails
Click image for larger version

Name:	image-1161614238.jpg
Views:	84
Size:	108.9 KB
ID:	140618   Click image for larger version

Name:	image-2502454193.jpg
Views:	86
Size:	97.4 KB
ID:	140619  
Reply With Quote
  #8  
Old 08-24-2017, 12:33 AM
midmosandblasting's Avatar
midmosandblasting midmosandblasting is offline
Blast this!
 
Join Date: Oct 2005
Location: Calhoun ,Mo
Posts: 7,352
Default

Mostly punch press or is it a cast or plastics plant ?
Reply With Quote
  #9  
Old 08-24-2017, 12:51 AM
greywynd's Avatar
greywynd greywynd is offline
I can dig it
 
Join Date: Dec 2005
Location: Peterborough, Ontario
Posts: 3,172
Default

This is in a plastics molding plant, mainly large automotive parts. Molds that can weigh 100,000 pounds, so as many repairs as possible are done on site.

Time for a new signature line!!
Reply With Quote
  #10  
Old 08-24-2017, 06:50 AM
weldor2005's Avatar
weldor2005 weldor2005 is offline
Perpetuus Discipulus de Vita
 
Join Date: Feb 2007
Location: Marinette, WI - Menominee, MI
Posts: 2,761
Default

Funny, I look back at the date you first posted this, and thought to myself, why did I comment that? I have since seen a lot of this type of welding being done online and Instagram, but no experience myself. I wish you luck in this endeavor and would like to stay informed on it.
__________________
David

David Finch Mixed Media Creations
My YouTube Channel

"Of all of our inventions for mass communication, pictures still speak the most universally understood language." - Walt Disney

"Formal education will make you a living;
Self education will make you a fortune." - Jim Rohn
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 12:14 PM.


Powered by vBulletin® Version 3.8.9
Copyright ©2000 - 2017, vBulletin Solutions, Inc.