Be/mqhsZl cseA. I know many of the bandsaw blades appear to be spot welded together and I don’t happen to own a spot welder by I have read of people who have solder the ends together with good results, so that is what I am going to try. From what I learned, the best way of getting the 2 ends together is with a “Lap” joint, which is where the 2 halves of the blade overlap, but instead of being square, I will need to grind the matching ends of the bandsaw blade in a bevel shape to help reduce the bulk that would happen when you overlap a could of bandsaw blades. I fired up my propane torch smeared an abundance of flux on the aligned bandsaw blades and just ran the flame through the joint until I could get the solder to melt at which time it flowed nicely between the 2 parts of the blade.
I finally got around to making a jig for brazing my blades I was using a angle iron guide and clamps before but nothing was welded up. Yes its a scarf or bevel lap joint no thicker than the rest of the blade, I thought it was apparent in the pictures…guess not, I have been brazing my blades for at least ten years they never break at the joint just finally made a nice jig compared to what I was using. Welded a blade, annealed it, ground it….worked just fine, I’ll pay 3.00 more and have the blade shop do it.
With larger blade and with blades where a strong joint is needed you will braze. Too much heat, taking too long to get silver braze to melt will cause flux to get used up dissolving oxides and go black and no longer work and also more time for blade to expand and the overlap joint to slip over it self getting a thicker joint with possible thin spots on both sides after grinding back. File or grind the blob of solder off flush with the surface of the blade and flat off the blade edges to allow smooth running of the blade through the saw guides.
bandsaw blade repair jig Related Question:
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 weld a broken band saw blade?
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.
Should bandsaw blade twist?
Typical bandsaw blades can be flipped “inside out” to make the teeth point the other direction. On some knife edge style blades and grit edge blades you can get a fresh sharp cutting edge from a blade this way, just by flipping it inside out.
What is a blade welder?
The T27555 Blade Welder can cut, weld, anneal, and grind bandsaw blades. This allows you to make new blades from bulk coils of band stock. Quickly rejoin a blade that has been purposely cut for making an internal contour cut. Repair broken blades that are still sharp and useful.
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.
How tight should my bandsaw blade be?
The blade should deflect no more than 1/4 in. A good place to begin is to tension the blade until the meter reads proper tension for the next wider blade. For example, if you’re tensioning a 3/8-in.
What causes bandsaw drift?
Drift is cause because the blade buckles under the load. You can see that by stretching a ribbon between 2 points and applying a pressure to one of the edges, it will turn sideway easily. A sharp blade and high blade speed will help a lot with that.
Why won’t my bandsaw cut straight?
Band Saw: Why won’t my band saw cut straight? When the band saw cuts crooked, a dull blade, improper feeding, loose blade tension or not using a work piece guide could be the cause. Use the rip fence or miter gauge to guide the work piece uniformly through the cutting blade to make straight cuts.
Where should a bandsaw blade sit on the wheel?
Make sure the machine is disconnected from the power supply. When tracking, you always want to make sure that the blade is sat on the crown of the wheel, with the deepest part of the gullet in the centre.
Which way should the teeth face on a bandsaw?
The teeth on the bandsaw blade should face down so that the cutting action is from the top of the material to the bottom.
What is the gullet on a bandsaw blade?
Bandsaw blade gullets are the space or curvature between each individual tooth on a saw blade. With each pass of the blade, the material being cut will curl into the gullet, creating a spiral of material called the chip. Too many teeth in the cut will make the gullet full.