Diy Heat Treat Oven For Knives

Keeping it small and mobile was at the top of my criteria list.
Diy heat treat oven for knives. Heat treatment oven project after making my 3rd knife and finding it difficult to maintain 1000 c temperatures sustained and accurately i decided that an electric heat treating oven is the way to go. Finish knife polish to your desired level. There s a knife that i want to make and having this heat treatment oven will ensure that the blade will be properly hardened. Evenheat heat treat oven lb 22 5.
There is a wealth of information on the web from knife hobbyist on building diy ovens. Make your blade shape to almost a knife leave about a dime width at edge. I have no intention at this time of spending 1000 on an off the shelf unit for my hobby so i set out to design and build one myself. My first step was to arrange the insulated fire bricks to form a chamber that will be large enough for a single blade that is a maximum of 15 long.
I thought about building a high temperature oven or heat treat furnace for sometime and decided to finally do it. I ve successfully tried to heat this oven up to 1100 c so far but it should be able to go even higher. Heat treating forum on knifedogs plans for building your own heat treating oven. Oct 31 2010 2 thanks.
Most of our heat treating ovens max out at either 2200 or 2400 f although the artisan and ht series have a maximum of 2000 which is still hot enough for most common types of steel. Knife maker shows you step by step. The power of this oven is around 3 kw. All three of these names refer to a fireproof box that gets hot.
Necessary temperatures are determined by the type of steel you work with so make sure of your own requirements before buying an oven for heat treating knives. Let cool in oven overnight. Here s what i ended up. Temper in oven at 375 for an hour turn off heat.
Heat treat back to red quench in oil i use vet grade mineral oil 5. No matter what you call it the box needs to have the capability to get to the desired temperature and stay there for the prescribed amount of time. Reheat at 375 for a second hour.