When you own a Paragon Double Barrell 24T furnace, our most popular size, you can live the knife making adventure to the fullest. You will actually witness the birth of your knives in the bright red heat of the furnace. And all Paragon furnaces are now rated to 2350F, so you can fire as hot as you need to.
The Sentry 12-key controller comes with powerful, easy-to-use features. It can give you the cost of electricity to heat treat a load of parts, adjust the rate of heating, and correct programming errors by undoing steps that you need to correct. Before firing the furnace, use Program Review to check that the program you are about to fire is correct. Set an audible temperature alarm to remind yourself to attend to the furnace at a particular temperature.
For peace of mind, you can lock the program that is in active memory. You can also delay the time that the firing is to start. The kiln will turn on at that time. The Sentry comes with a 30-month warranty.
Many knife makers enjoy owning a furnace, because they can revel in testing their favourite steels. They put blades through tests more severe than any knife owner would dare. They test for Rockwell hardness. Then they count the number of times the knife can cut hemp rope and 2x4s. They bend the blade to 45° or even 90°. Then they straighten the blade and test it in the real world.
The knife maker with a Xpress-KM-series furnace can try exotic heat treating methods at his leisure. The economically priced yet still robust Sentry Xpress 3-key controller can heat treat in eight segments and store four programs in memory. Does quenching in dry ice improve blade performance? What happens when 52100 steel is triple-quenched with a one-day wait between each quench? After this treatment, will a 52100 blade bend to 90° without chipping?
With a Paragon furnace in your shop, all questions about heat treating formulas are finally settled. You find out for yourself what works. Testing and heat treating are at the heart of the knife making adventure. Here is where your confidence as a knife maker takes root.
Experiment with differential hardening, an ancient bladesmith technique. Try out the newest tool steels. Are they really as good as the tried and true D2 and A2? Paragon’s knife making furnaces are now rated to 2350 degrees F (1287 Celsius), so you can heat treat as hot as you need to.