[TheForge] Platen Table Dogs.

[Robert J Hill]

Yeah I bet that is what we end up doing.  We have a pretty good size  
forge but to get the right control sending them out might be the best  
idea.  Seattle Heat treaters comes to mind.  I am sure there are  
bunches of places to send them here.
Thanks Andy,
Rob
On May 7, 2008, at 09:12, Andrew Vida wrote:

Make the dogs and send them out for heat treat.  Tell them to draw to  
RC35-37 - that will produce the toughest steel in 4140 and that will  
be VERY tough.  If HT isn't something you can do readily, pay someone  
to do it well.  It is worth the cost.  It will cost you less in the end.

	-Andy

Robert J Hill wrote:
> Chuck,
> No we haven't figured out why.  A one broke close to where it enters  
> the table and the other two just after the bend above the table.  As  
> far as our heat treating plans I have no idea.  Way too many  
> deadlines to address platen dogs.  When we get around to it I will  
> try to let you know what we end up doing and how it works.  Thanks  
> for your input.
> Rob
> On May 1, 2008, at 08:36, Chuck Robinson wrote:
> Hey Rob,
> Did you figure out why the dogs were breaking?
> How are you going to heat treat the 4140?
> If you normalize the 4140 after forging, to refine the grain  
> structure, and then bake them for several hours after hardening them  
> they should last a long time.
> Chuck
> _______________________________________________
> Manage membership or unsubscribe at:
> http://mailman.qth.net/mailman/listinfo/theforge
> theforge mail list group photo site is
> http://www.photoaccess.com
> Login:  blacksmithblacksmith at hotmail.com
> password:  anvil
> ___________
> _______________________________________________
> Manage membership or unsubscribe at:
> http://mailman.qth.net/mailman/listinfo/theforge
> theforge mail list group photo site is
> http://www.photoaccess.com
> Login:  blacksmithblacksmith at hotmail.com
> password:  anvil
> ___________

-- 

	-Andy V.

no .sig
go .fig
_______________________________________________
Manage membership or unsubscribe at:
http://mailman.qth.net/mailman/listinfo/theforge
theforge mail list group photo site is
http://www.photoaccess.com
Login:  blacksmithblacksmith at hotmail.com
password:  anvil
___________