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10
Dec
How to Work Out the Length of a Bandsaw Blade

How to Work Out the Length of a Bandsaw Blade

When it comes time to work out the length of a bandsaw blade, you want to get the right measurements every time. You must know the exact size so you can change your blade correctly. 

Essentially you should able to go online and search your bandsaw machine specs or pull out your manual, both of which will have the length of your require bandsaw blade. However, if you have an old machine, and there is no data online and no manual, there are several other options.

There three different ways for measuring – without a bandsaw blade to look at, if you have a bandsaw blade to measure, and if you have a broken bandsaw blade without missing pieces.

Measuring Without a Bandsaw Blade

If you don’t have a bandsaw blade to measure against, you can still work out the right length for your machine and the material you are working with, so you can get your custom made blades at Saw Blade. Follow these steps for accuracy:

  • Pull your bandsaw wheels into a working position;
  • Determine in inches the distance from the centre hub on the driven and free-spinning wheels (Which we will refer to as “B”);
  • Again in inches, measure from the centre to the outside of the wheel to determine the radius of each wheel; and
  • Use the following formula to determine the length: (R1 x 3.1416) + (R2 x 3.1416) + (2 x b) =

Measuring the length of a Broken Blade Without Missing Pieces

You can easily still get the right measurement when you have a broken length of a bandsaw blade and is just like putting puzzle pieces back together:

  • Check that the broken two pieces nest together;
  • If they nest together, lay it down in a straight line; and 
  • Measure from end to end for correct length.

Measuring an intact blade

If your bandsaw blade is dull, intact or missing some teeth, the following steps will see getting the accurate length:

  • Place a strip of tape on the floor to mark a starting point;
  • The blade hoop needs to placed on a strip of tape. Then use a pen or texta to mark a line on the inside of the blade and onto the tape;
  • Roll the blade for one rotation in a straight line. Stop once the mark on the inside of the blade bits the floor;
  • Use another piece of tape to make the finishing mark; and
  • Measure between the marks on the tape, and you will have your bandsaw blade length.

Need Further Assistance?

If you want to try measuring your bandsaw blade length with a specific calculation, this link will help assist you with the task. 

If you are unsure on how to measure your bandsaw blade give us a call on    

03 9005 7931 or go to Saw Blade, and we will take you through the process step-by-step.

5 Easy Steps to Build Your Own Sawblade

2. Great job, now select the Width

3. Select the Length (mm) (Round up to the Closest Increment)(Round up to the Closest Increment)

3. Now Enter the Exact Length in (mm) (Made to your Order)

Length is not correct, changed to maximum allow length.

4. Select the TPI (Teeth Per Inch)

The number of teeth per inch (TPI) defines the pitch of the blade and can vary from 1 to 32 tpi.

On some blades there are different pitches on the same blade. You must select the correct tpi for the thickness of material you are cutting. If the corrrect tpi is not chosen the blade life will be dramatically shortened.

The general rule of thumb is: For wood and soft materials aim ffor 3-6 teeth in the work piece.

The number of teeth per inch (TPI) defines the pitch of the blade.

On some blades there are different pitches on the same blade. You must select the correct tpi for the thickness of material you are cutting. If the corrrect tpi is not chosen the blade life will be dramatically shortened.

Please use the following guide to select the correct tooth selection.









5. Select the Quantity of Blades

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