Top Tips for Changing a Bandsaw Blade

Top Tips for Changing a Bandsaw Blade
  • Opening Intro -

    Band saws have been specifically designed for making curved cuts into wood but they also do a perfect job for when you are resawing lumber into smaller pieces.


Whatever job you are doing and in order to make the right cuts every time, you need to make sure that you have the correct blade installed for each task, and that means you will have to confident and competent about how to change and adjust the saw blade.

Selecting the right blade

If you have are using custom bandsaw blades then you want to get optimum performance and look after them well by making sure that you select the right blade for the task in hand. You need to make sure that your blade is optimized for making interrupted cuts and is able to perform structural sawing too. There are new tooth designs now available which have the technology to be able to dissipate force and in particular heat build-up during cutting, so that the odds of suffering tooth breakage are dramatically minimized, meaning that you can get the maximum life span out of you blade.

Preparing to change the blade

Safety is of course of paramount importance and the first step before you set to work on changing the blade is to ensure that the unit is disconnected completely from any power source. Once you have ensure that there is no power supply going to the saw, you should open up the top and bottom cabinets to reveal the two tires between which the saw blade is tightened. Take the opportunity to also clear out any excessive sawdust or loose chips so that the task of changing the blade is made as easy as possible.

Blade tension

You next need to loosen the blade tension and this can be done by locating the tension knob on the top of the bandsaw, in what is normally a counterclockwise direction until the blade becomes loose and easy to maneuver.

Blade guards

With the blade loose, you then need to raise the blade guard by using the tightening knob provided and then re-tighten it when the guard is in its highest possible position. You then to remove the rear blade guard by taking out the screws that holds it in place and putting them in a safe place ready for re-assembly.

Table guard

Next task is to loosen the under-table guard. You should find that there are normally a few blocks and adjustment wheels found underneath and also a wrap-around guard that is designed to keep the blade in place if the blade were to come off track while in use. Locate the screws securing this guard and then rotate the guard until it is completely out of the way of where you need access.

Remove the blade

Once all the bandsaw guards are out of the way or completely removed you can then remove the existing blade. Do this by pulling the blade off the two tracking tires and turning it 90 degrees so that the teeth on the blade are pointing to your right. A good safety tip at this point would be to fold the removed bandsaw blade into thirds and secure it safely, whilst exercising extreme caution that it does not spring out as you are folding it.

Installing the new blade

To being the installation of your new blade simply follow the steps that you carried for removal but in reverse order, making sure that you center the blade over the middle of each of the two guide tires. When you are happy that it is place correctly, begin to tighten the tensioning knob but make sure that you do not over-tighten especially if you are using a different blade size and they may have a different tolerance to the one you removed.

If you are unsure about tensioning the blade correctly, there are tools available to help you with this task. Once you are satisfied that everything is back as it should be and you have checked all the fittings are secure, you should be ready to carry out your next job.

John Ireland is a former carpenter who is now a stay-at-home dad. In his spare time, he likes to share his know-how by blogging on various Internet blog sites.



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