Band Saw Blade Selection 215

Metal Cutting Training

Class Information

ToolingU.com classes are offered at the beginner, intermediate, and advanced levels. The typical class consists of 12 to 25 lessons and will take approximately one hour to complete.

Class Name:	Band Saw Blade Selection 215
Description:	This class compares the various types of band saw blades and identifies the factors that influence blade selection.
Prerequisites:	200155
Difficulty:	Intermediate
Number of Lessons:	19
Language:	English, Spanish

Below are all the competencies and job programs that contain the class Band Saw Blade Selection 215. Job programs are our traditional class lists organized according to common job functions. Competencies are our latest job-specific curricula that help tie online learning to practical, hands-on tasks.

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Competencies
Raw Material Production

Class Outline
Objectives Sawing Variables Blade Material Selection Tooth Selection Tooth Pitch and TPI Determining Tooth Spacing Tooth Form Gullet Capacity Tooth Set Tooth Set Types Shear Plane Angle Speed and Feed Determining Proper Speed and Feed Beam Strength Vise Loading and Bundling Overcoming Blade Limitations Blade Width Blade Break-In Summary

Class Objectives

List the goals of successful band sawing.
Identify common saw blade materials.
Understand the importance of tooth selection.
Define TPI.
Explain the importance of tooth pitch.
Understand the factors that determine tooth spacing.
Identify ways different tooth forms can affect sawing.
Understand gullet capacity.
Explain the purposes of tooth set.
Name some common tooth sets.
Explain shear plane angle.
Explain the advantages of faster speeds and feeds in sawing.
Explain how to determine proper feed and speed.
Understand beam strength.
Understand vise loading and bundling.
Describe how to overcome blade limitations.
Describe how blade width affects the radius of a cut.
Explain the importance of blade break-in.

Class Vocabulary
alternate		A tooth set that has an alternating, left-right sequence.
band sawing		The use of a flexible saw blade constructed from a continuous loop or band of metal.
beam strength		The blade's ability to resist deflection. Also known as band strength, it is dependent on the blade's width and thickness.
bi-metal blade		A band saw blade made from two pieces of alloy steel that are welded together.
carbide blade		A band saw blade that has very hard, carbide material welded to the saw blade tooth tips and then ground into shape.
carbon steel blade		A band saw blade made out of a single piece of steel.
feed		The rate at which the saw blade moves into the material as it cuts.
gage		The side-to-side thickness of a band saw blade.
gullet		The curved area between two band saw teeth into which the chip curls.
gullet capacity		The maximum amount of chip that can curl in the gullet area before the chip becomes deformed.
high-speed steel		A particular grade of steel that offers improved hardness and wear resistance. High-speed steel is often used to make various cutting tools.
hook		A tooth form that has evenly spaced teeth, wide gullets, and a positive rake angle.
kerf		The width of the slot made by a band saw as it cuts.
pinch back		An unwanted effect that occurs when the slot being cut by a sawblade closes over the blade and pinches it.
raker		A tooth set that has a uniform set angle and a three tooth set sequence of left, right, and straight.
shear plane angle		The angle at which the work material shears off.
skip		A tooth form that has evenly spaced teeth, wide gullets, and a zero-degree rake angle.
skip positive		A tooth form that has evenly spaced teeth, wide gullets, and a positive rake angle.
speed		The rate at which the blade cuts across the face of the material.
spring steel		A type of hardened steel that has both hardness and yield strength.
standard		A tooth form that has evenly spaced teeth, deep gullets, and a zero-degree rake angle.
tooth form		The shape and geometry of a tooth.
tooth pitch		The distance between one tooth tip and the next.
tooth rake angle		The angle formed by the tooth face and a line perpendicular to the back of the blade. Positive rake angles increase the tilt of the tooth face.
tooth set		The side-to-side bending of band saw teeth. Tooth set is used to widen the cut and prevent pinching of the saw blade.
TPI		The number of teeth per inch.
variable		A tooth form that has variable tooth spacing, standard tooth forms, varying gullet depth, and a zero-degree rake angle.
variable positive		A tooth form that has variable tooth spacing, varying gullet depth, and a positive rake angle.
wavy		A tooth set that has groups of teeth set on one side and then the other.