Bandsaw Blade Jig And Repair

Bandsaw Blade Jig
Whatjaneed:
25mm Square tubing approximately 150mm long
25mm flat steel approximately 150mm long
4 x ¼” diameter bolts approximately 20-25mm long
¼” tap for creating a thread



Step 1
Cut a notch in the tubing with a saw or angle grinder.

Step 2
Do the same to the flat steel.

Step 3
Clamp the two pieces together and drill 4 holes for the bolts to attach to. See the recommended size from your tap set to allow a ¼” thread to be created. You can slightly oversize the flat steel to allow the bolts to fit through. This will not be threaded.

Step 4
Tap the thread in the square tube and assemble.



This is now your bandsaw blade jig.



Repairing Bandsaw blades
I have found that I use a lot of bandsaw blades over time (I make toys and stuff) and found that with a little care you can repair broken blades yourself with ease.

I also have access to some old blades from a woodwork place. These I take and cut to fit my own machine and thus have a decent supply readily available.

Whatjaneed:
Bandsaw blade jig (see elsewhere)
Gas welder for brazing
Grinding tool or file
Brass brazing rod

Step 1
Bevel both ends of the blade to form a scarf joint.

Step 2
Clamp the blade in your bandsaw blade jig so the ends overlap.



Step 3
Apply heat and melt the brass brazing rod into the bandsaw blade joint.





Step 4
When cool grind the joint smooth. Don’t forget to do both sides of the blade.





Ensure that the joint is smooth.

I usually save up half a dozen blades to do and make a morning of it whilst listening to the football or cricket on the radio in my workshop.

Very therapeutic 8-)