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What is the definition of 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.

Learn more about tooth rake angle in the class "Band Saw Blade Selection 215" below.

Band Saw Blade Selection 215

Metal Cutting Department

Class Information

Tooling U classes are offered at the beginner, intermediate, and advanced levels.
The typical class consists of 12 to 25 lessons and typically requires at least two hours of instruction time.

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

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Class Outline

Class Objectives

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

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

Term	Definition
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.

What is the definition of 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.Learn more about tooth rake angle in the class "Band Saw Blade Selection 215" below.

Band Saw Blade Selection 215

Metal Cutting Department

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.

Learn more about tooth rake angle in the class "Band Saw Blade Selection 215" below.