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| Knife Making Discussions A place to discuss issues related to all aspects of the custom knifemaking community. |
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#1
08-10-2004, 01:29 PM
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Oven tempering?!
Does tempering in a normal kitchen oven really work? I am trying to figure out how I am going to make my first, from sctrach, knife. Most likely a stock removal as I have no way of forging at this time. However, I will still need to temper the blade once cut to shape. Any advice would be appreciated...
Chris 
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#2
08-10-2004, 01:39 PM
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It will work fine for tempering alot of blade steels. The simpler steels rarely go above 500F for tempering, which is within the range of a regular oven. However, tempering is the second part of the heat treat process. First it needs to be hardened which will need heat alot hotter then your oven, You can use a propane torch for a smaller blade, or make a little forge for larger ones.
__________________ ~Andrew W. "NT Cough'n Monkey" Petkus
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#3
08-10-2004, 01:40 PM
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Chris, Yes your home oven will work but your better half might not be to happy if your quenching in oil.....tends to smell a little. Your best bet would be to head to the local thrift shop and purchase a little toaster oven that might only cost you a few bucks. You can buy those things new for I think under $20. I have mine out in the garage next to my smaller forge and quench tank and it works like a champ.
Shane
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#4
08-10-2004, 02:49 PM
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I temper in the kitchen oven, but I have to watch it like a hawk. You see it is very old and very much in need of replacement. It will not keep a constant temp. And, more then most ovens I have to use an oven thermometer. But, you should do that even with a new oven, just in case. Ovens are not highly accurate devices.
__________________ Scott B. Jaqua http://www.hagersonforge.com http://hagerson.livejournal.com ---------------------------------------------------------------------------------------------- The most important right of all, is that of Free Speech. With out that, all your other rights will soon be taken away. So, I may disagree with what you say, but I will defend until death, your right to say it!
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#5
08-10-2004, 02:59 PM
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Yeah what Scott and friends said. I ruined a few in my oven. Even with a thermometer I think my home oven spikes. Pre-heating for a long time I think will even out the temp or first heating with bricks in the oven. But, I switched little toaster oven too with a good thermometer and am quite pleased.
Steve
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#6
08-10-2004, 03:30 PM
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I still do mine in the ol' kitchen oven, but I have thermometers in there (oddly enough, it's right on too. :cool: ) I quench in water or canola oil so the smell isn't too bad.
__________________ Michael Burch Full-time Knife Maker michael@burchtreeblades.com www.burchtreeblades.com
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#7
08-10-2004, 04:34 PM
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Just a quick tip.... If you clean your blade good with Windex prior to temporing it in the oven, it will not stink things up. Windex works great for getting all of the oil off the blade.
-chris
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| Tags |
| blade, forge, forging, knife |
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