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What is the definition of periphery?

The outermost portion or edge.

Learn more about periphery in the class "Grinding Wheel Geometry 220" below.

Grinding Wheel Geometry 220

Abrasives 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	Grinding Wheel Geometry 220
Description	This class describes the major types of grinding wheels listed in the ANSI standard and explains the relationship between wheel geometry and workpiece shape.
Prerequisites	250110 250120
Difficulty	Intermediate
Number of Lessons	19

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Class Outline

Class Objectives

Objectives

The Importance of Wheel Geometry

ANSI Standard

Major Wheel Categories

Key Grinding Surfaces

Wheel Differences

Wheel Dimensions

Letter Designations

Numbered Wheel Types

Type 1: Straight Wheels

Type 2: Cylinder Wheels

Type 5: Recessed One-Side Wheels

Type 6: Straight Cup Wheels

Type 7: Double-Recessed Wheels

Type 11: Flaring Cup Wheels

Type 12: Dish Wheels

Type 13: Saucer Wheels

Wheel Profiles

Summary

Understand the factors that determine wheel shape.

Describe the benefits of grinding wheel standards.

Identify the most common groups of grinding wheel shapes.

Describe how wheels are classified with regard to their grinding surface.

Describe the purpose of different wheel features.

Identify common dimensions for grinding wheels.

Describe the process for communicating grinding wheel dimensions.

Describe the process for communicating grinding wheel types.

Recognize the key features of a Type 1 straight wheel.

Recognize the key features of a Type 2 cylinder wheel.

Recognize the key features of a Type 5 recessed one-side wheel.

Recognize the key features of a Type 6 straight cup wheel.

Recognize the key features of a Type 7 double-recessed wheel.

Recognize the key features of a Type 11 flaring cup wheel.

Recognize the key features of a Type 12 dish wheel.

Recognize the key features of a Type 13 saucer wheel.

Name common wheel types that often receive special profiles.

Class Vocabulary

Term	Definition
American National Standards Institute	A non-profit organization that works to standardize many aspects of the business marketplace.
contour grinding	A type of grinding operation in which the wheel follows a machine-generated contour path. It may involve wheel crossfeed, which may round both the corners of the part and the edge of the wheel.
cup wheel	A grinding wheel that is shaped like a cup or a bowl. A cup wheel may have sides that are either straight, known as Type 6, or flaring, known as Type 11.
depth	The top-to-bottom measurement of a recess or relief.
diameter	The distance from edge to edge of the widest point of a circle.
dimension	A measurement of space, especially length, width and height.
face	In grinding, the part of the wheel that contacts the workpiece.
flange	A flat or raised metal disk that helps deflect mounting stresses from the wheel's hole.
flat	The bottom of a recess or the horizontal area that lies between the relief edge and the wheel edge.
geometry	The measurement and properties of the lines and points of an object that make up its shape.
peripheral wheel	A grinding wheel that has its grinding surface, or face, on its periphery.
periphery	The outermost portion or edge.
profile	A specialized edge that is added to the face of a wheel to help it conform to a particular grinding operation or part shape.
radius	The distance from the center to the edge of a circle.
recess	An indentation or a hollow area.
relief	A gradual, angular impression.
side wheel	A grinding wheel that has its grinding surface, or face, on its side.
snagging	A rough grinding operation intended to remove material with little regard to surface finish.
straight wheel	A grinding wheel with parallel sides, a 90-degree face, and no recesses or relieved areas. Known as a Type 1 wheel.
stud	A projection from one part that matches a hole in another part intended to aid in attaching or mounting one part to another.
thickness	The top-to-bottom measurement of a wheel or a hole.
width	The measurement or size of the grinding edge.

What is the definition of periphery?

The outermost portion or edge.Learn more about periphery in the class "Grinding Wheel Geometry 220" below.

Grinding Wheel Geometry 220

Abrasives Department

The outermost portion or edge.

Learn more about periphery in the class "Grinding Wheel Geometry 220" below.