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saw gumming

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Forum topic by prashant posted 02-01-2012 11:57 AM 1106 views 0 times favorited 2 replies Add to Favorites Watch
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prashant

1 post in 1775 days


02-01-2012 11:57 AM

Dear sir,
We are facing problem of saw gumming before retipping the carbide tipped circular saw blade. We are using abrasive cuttoff wheel to perform this operation. But the area after saw gumming is not getting wet by the brazing material properly. Becaused of this the carbide tips are getting peeloff during usage. Please give us any Idea in order to improve the wettabily of the saw plate.


2 replies so far

View William's profile

William

9906 posts in 2310 days


#1 posted 02-03-2012 02:39 AM

I wish I could help, but I’m not clear on what you’re asking. Could you please explain it differently?

It sounds like what you’re trying to do is to braze your own carbide onto saw blanks, or used saw blades even. If this is the case, I have to wonder why. Sawblades are mighty reasonable these days. In my opinion, to reasonable to be risking injury by doing what you’re suggesting without already having proper knowledge of the proper techniques.
Another possibility is you’re trying to start up a business making saw blades. If that is the case, I’m not sure I can help either. You could call up current blade manufactorers, but I doubt they’ll answer your question. While it’s true that years ago people made their own blades and later had blacksmiths make such, a lot has changed then with the invention of such things as carbide. Carbide takes certain techniques to apply to metal properly, which I see you are finding out.

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If I’m wrong about any of this, please let us know so that maybe someone here can help.

-- http://wddsrfinewoodworks.blogspot.com/

View Jim Jakosh's profile

Jim Jakosh

17199 posts in 2573 days


#2 posted 02-03-2012 07:46 AM

It sounds like the blade is not clean in that area. Are you using a flux to clean it before brazing?

-- Jim Jakosh.....Practical Wood Products...........Learn something new every day!! Variety is the Spice of Life!!

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