FREUD presents Technical Tool Tips:
• For the Correct Use of a Saw Blade
About Tooth Geometry to Improve Cutting Finish
About Hook Angle
• About Blade Alignment on a Table Saw
• How to Obtain Blade Pitch
• Formula for obtaining Number of Teeth on a blade
• Rakers & Keyways
• Pin Hole Patterns
  • Correct Tooth's Feed Rate, Feed Rate of Material, Number of Teeth & RPM
  • Correct Sawblade Diameter based on Tip Speed & Materials to  Cut  
  • Useful Chart for finding the right Sawblade for the job.
(Very Large .pdf file 3.9MB - slow connections should not click here)
How to Figure the Pitch of a Blade and Number of Teeth

To obtain pitch (P) of a blade (the distance between teeth: See Formula "A" , Fig. 20) multiply the thickness of the work piece by 1.4142 and divide by 3 (if you want 3 teeth cutting when ripping) or by 4 (if you want 4 teeth cutting when ripping). The same formula applies when crosscutting using the recommended 5 to 7 teeth.

FORMULA "B": To obtain the number of teeth (Z) of the sawblade, multiply the diameter (D) of the saw blade by 3.14 (P) and divide by the pitch of the sawblade - obtained from the previous formula.

The shorter Formula "C" allows you to obtain the number of the saw blade's teeth, knowing it's diameter and the thickness of the work piece.

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