Section 3 Unit 5

___Grinders have adjustable tool rest and are generally used to sharpen lathe cutting tools.

• Ferrous metal

• Bench

• Tool

• Pedestal

___wheels are gray in color and can be used on pedestal, bench and tool grinders to ferrous metals.

• Aluminum Oxide

• Diamond-Impregnated

• Carbon

• Silicon Carbide

A ___ test is performed by suspending the wheel through its hole on a finger or other material lightly with something dense but nonmetallic such as a screwdriver handle

• Pitch

• Grinder

• Mount

• Ring

Continual use of a ___ wheel requires extreme pressure and creates excessive heat that can led to thermal discoloration of the workpiece and discomfort as the operator holds the hot workpieces.

• Dressed

• Grinding

• Loaded

• Worn

When a pedestal grinder wheel surface becomes uneven, it should be ___.

• Cleaned

• Adjusted

• Tested

• Dressed

___help to support the work during grinding and may be set at any desired angle to aid in grinding uniform angled surfaces on the work.

• Tool rests

• Flanges

• Blotters

• Spark Breakers

___Are thick, precision, washer-like discs that should be the correct size and used on each side of the wheel.

• Cushions

• Blotters

• Flanges

• Bases

___Wheels are green in color and are usually used on tool grinders.

• Carbon

• Diamond-Impregnated

• Aluminum Oxide

• Silicon Carbide

A ___ is a round disc of heavy paper surrounding the center area of a grindingwheel.

• Flange

• Blotter

• Spacer

• Washer