The welding fixture has to be made with some precision so the welded blade is free of offset. If you get it right, the weld will be right at the gullet and the tooth pitch is nearly un-interrupted across the weld. Cut an old blade up into 6″ long pieces and practice butt welding, grinding, and fettling.
A Chinese/Taiwan blade welder is not too expensive if you need to make a lot of blades. 03-12-2007, 08:56 PM #3 Have a blade welder but it doesnt work on the wide bi-metal blades for my horizontal saw. Sand some on each blade near each end to remove oxide on blade so bright metal shows.
Welded is nice when it’s right, but I’ve carried too many back to the blade shop for reweld. As far as building that welder is concerned I bet you get sick when you price out the components. At one time did that too with silver solder But looking at building a welder from a microwave transformer.
A bandsaw blade welder is a tool used to fix broken bandsaw blades. 2022-01-20 homemade bandsaw blade welder Making up your own bandsaw blades will save you half the cost of buying them ready made and you don’t need a welder to do it. 2011-02-22 Bandsaw blade welder & soldering jig – how to make Here is a plan for making your own bandsaw blade welder for those of you who are somewhat electrically adept.
diy band saw welder Related Question:
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.
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.
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.
Can you silver solder bandsaw blades?
Cut a piece of silver solder the length of the joint and place it between the blade ends. Heat the joint to dull red with a propane torch and watch for the solder to flow out. Hold the heat for a bit to make sure everything is hot enough. The solder will sweat the joint and flow where there is flux.
Why do I keep breaking band saw blades?
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.
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 I put a wider blade on my bandsaw?
An 18-inch diameter wheel can use a 0.032-inch thick blade that is 3/4 inch wide. In general, thicker and wider blades will be the choice when sawing dense wood and woods with hard knots. Such wood needs the extra strength of a thicker, wide blade to avoid breaking. Thicker blades also deflect less when resawing.
How much tension should a bandsaw blade be?
For carbon steel toothed blades (cutting blades) this is typically 15,000 to 25,000 PSI. Slitting type blades typically are tensioned in the range of 12,000 to 20,000 PSI. In general bandsaw blades are never tensioned past 35,000 psi.
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,.