The process of weld repairing a bandsaw blade with a TIG torch has to be followed down to the letter, or the weld may not take, and you’ll end up needing to buy yourself a new bandsaw blade. To TIG weld a broken bandsaw blade, the blade needs to be placed in a vise or a clamp jig to hold the two broken sections of the blade as tightly together as possible. Once you have the broken ends of the bandsaw blade set up on the table jig, hook up your TIG torch along with your shielding gas and use the 312 filler rod to weld the pieces of the blade together.
12-08-2009, 10:38 AM #3 Tig weld band saw blades Khanh. 12-10-2009, 03:47 PM #9. 12-11-2009, 11:06 PM #10. 12-11-2009, 11:12 PM #11. 01-26-2010, 01:29 AM #12 Hey guys, I was trying to tig weld some small bandsaw blades for my woodworking machine. I TIG my blades with a maximum current of around 35 to 40A. However, I use a copper backing block to stop melt through which will need some more heat.
You can see how I set it up to try and keep it straight during tack welding. “Anyhow I first tried TIG welding it using a sequence of small tack welds, keeping heat input low. I even had it on a chiller block. I used little short arc bursts to weld like a laser with about 50 amps or so I used a.040” tungsten. Here is what it looked like after welding before further work to grind it down and straighten it:Attachment 1849.
Cut the blades to the correct length, and Tig welded them. Only suggestion I have is try your best to keep the teeth properly spaced. If you don’t for some reason the miss spaced teeth will snag and tear a section of teeth out.
If you don’t have too much time on your hands, that’s completely fine, you can feel free to read our quick overview of how to weld bandsaw blades below. Why You’ll Need to Weld A Bandsaw Blade & How To Do So. Next up, we’ll discuss exactly when and why you’d need to weld a bandsaw blade, as well as step by step guide on how to do so. The Round-Up. Now that you’ve finished reading this article, you should have a fairly solid idea of how to weld a broken bandsaw blade, if you didn’t already.
If you know how to weld bandsaw blades, it will help you save a considerable amount of money. Adequately welded bandsaw blades will last enough to make your hard work worthy enough. Well, I suggest you know how to weld a bandsaw blade so that you can quickly fix the imperfections.
how to tig weld bandsaw blades Related Question:
How do you anneal a bandsaw blade?
To anneal, I always shade the weld with my hands to keep the weld darkeded from the ambient light. Gradually heat the weld by pumping the anneal button untill the weld turns cherry red (not orange or yellow) then slowly cool the weld. Remove and test the weld buy bending the blade to a 8″ or 10″ radius.
Why do my bandsaw blades keep breaking?
Machine Defects Even the best blades can fail if there is something else wrong with your bandsaw, and even a small misalignment of bearings or guides can put a twist in the blade as it goes around. Resulting in tension being applied in all the wrong ways which will lead to early breakage.
Does welding melt metal?
Joining Metals As opposed to brazing and soldering, which do not melt the base metal, welding is a high heat process which melts the base material. Typically with the addition of a filler material.
Can you fix a bent bandsaw blade?
How to straighten a bandsaw blade? It is risky but if it’s absolutely necessary, a temporary fix to straighten a bandsaw blade can be done by placing it on an anvil and gently tapping it flat with a nylon head hammer/mallet or using a pair of gas pliers to straighten out the blade.
Can you arc weld bandsaw blades?
Luckily for you, though – a broken bandsaw blade doesn’t have to be the end of your work. What is this? You can simply weld the bandsaw blade back into shape. Through this article, we’ll explain exactly how you can do that, as well as the importance of doing so when necessary.
Can you sharpen a bandsaw blade?
If you’re looking to sharpen your band saw blade, you have two options: manually sharpen the blade yourself or use a mechanical sharpening machine.
How long should a bandsaw blade last?
On average your bandsaw blade should last 6 months to as long as a few years depending on what your cutting with it. Make sure to match your blade strength and quality to the project and material your cutting.
What do you do with old bandsaw blades?
There is life for those old, broken, and dull bandsaw blades. Just cut the old blade into sections about 12″ long. Stack the pieces together, alternating the teeth so that they don’t touch their neighbors. Use either same tape, or just braze the ends together,.
Are bandsaw blades universal?
Bandsaw blades differ in thickness, width, length, and tooth configuration. Length varies by machine, but the size of your saw’s wheels typically determines thickness and width: Smaller machines (9–12″ wheels) need thinner blades to prevent breaking the welds. They also accept only narrow blades, often 1⁄ 2 ” or less.