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Assessment Name: Machining: Grinding Technician
Number of Questions: 90
Description: Working knowledge necessary to setup and operate all common grinding machines, including knowledge of threads, leadership, communication, inspection, quality, machining, and workholding.
Instructions: This online test requires uninterrupted access to a computer with an Internet connection. For math-related questions, please have paper and pencils on hand for your calculations. Textbooks, calculators, and other electronic devices are NOT allowed.

The assessment covers the following classes:

Class Functional Area Format Difficulty Version Department
Classes 1 to 10 of 32
Grinding Processes 201

"Grinding Processes" provides a comprehensive overview of the various types of grinding used in modern manufacturing environments. Surface, cylindrical, centerless, and internal grinding processes are commonly used for workpieces of various shapes. Surface grinding is further distinguished by whether the ...

Machining Online Intermediate 2.0 Abrasives
Grinding Safety 211

"Grinding Safety" provides an overview of safety concerns and precautions for grinding operations. Grinding machines, wheels, and fluids pose a number of safety hazards, so operators must take proper preventative measures. Wheel guards can protect grinding operators from flying shards ...

Machining Online Intermediate 2.0 Abrasives
Basic Grinding Theory 221

"Basic Grinding Theory" provides an overview of the general process of grinding . Grinding occurs at the point of contact between an abrasive wheel and a workpiece. Like any other cutting process, grinding removes material in the form of chips. ...

Machining Online Intermediate 2.0 Abrasives
Basics of the Surface Grinder 231

The class "Basics of the Surface Grinder" provides an overview of the components, considerations, and varieties of the surface grinding machine. Surface grinders are classified by their table types and spindle orientations, and vary in levels of automation. Wheels, workholding ...

Machining Online Intermediate 2.0 Abrasives
Basics of the Cylindrical Grinder 232

"Basics of the Cylindrical Grinder" provides a comprehensive introduction to different types and components of cylindrical grinding machines. The main methods of cylindrical grinding are plunge grinding and traverse grinding. The main types of cylindrical grinders are plain, universal, automated, ...

Machining Online Intermediate 2.0 Abrasives
Basics of the Centerless Grinder 233

“Basics of the Centerless Grinder” provides a comprehensive introduction to centerless grinding. Centerless grinding includes both internal and external grinding operations. During centerless grinding, a rotating regulating wheel moves a workpiece, supported by a work rest blade, along a rotating ...

Machining Online Intermediate 2.0 Abrasives
Setup for the Surface Grinder 241

"Setup for the Surface Grinder" provides a comprehensive overview of the steps and considerations involved in setting up a surface grinding machine. Setup includes selecting a grinding wheel, testing and preparing the wheel, selecting the correct workholding and/or fixtures for ...

Machining Online Intermediate 2.0 Abrasives
Setup for the Cylindrical Grinder 242

"Setup for the Cylindrical Grinder" provides a comprehensive overview of the steps and considerations involved in setting up a cylindrical grinding machine. Setting up a cylindrical grinding machine includes selecting a grinding wheel, dressing and truing the wheel, selecting the ...

Machining Online Intermediate 2.0 Abrasives
Setup for the Centerless Grinder 243

“Setup for the Centerless Grinder” explains how to set up a centerless grinder for typical outer diameter (OD) operations. The class explains the necessary setup for the work rest blade and regulating wheel angle of inclination, as well as the ...

Machining Online Intermediate 2.0 Abrasives
Surface Grinder Operation 251

The class "Surface Grinder Operation" provides step-by-step guidelines on how to grind a rectangular workpiece. Grinding each side of a workpiece requires wheel dressing and other preparatory steps, and then roughing and finishing passes. Workpiece sides are numbered from 1 ...

Machining Online Intermediate 2.0 Abrasives