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Glossary


A B C D E F G H I J L M N O P Q R S T U V W Y Z
Abrasive

A substance used for abrading, grinding, polishing and lapping. Examples include natural materials such as Emery, Garnet, Flint, and Crocus. Other examples include manufactured or electric furnace materials such as Aluminum Oxide, Silicon Carbide, Zirconia Alumina and ceramics.

Abrasive Machining

Rough grinding metal parts to a desired size (roughing and shaping), and finishing them to required tolerance and surface finish (dimensioning and finishing) using coated abrasive belts.

Area of Contact

The area of the surface of a coated abrasive product in contact with the work being ground.

Assemblies

A section of abrasive used in the loading of a Vonnegut Head Brush Sander. Available with the pieces either straight scored, staggered scored or unscored, these cloth specialties are used for fine sanding of contoured parts when finishing is required without destroying character lines.

Automatic Tracking

A system that ensures the coated abrasive belt runs true on a contact roll and idler. These automatic tracking systems are usually light or air controlled and constantly adjust belts during operation to achieve ideal and consistent tracking. Usually used on belt machines 12? and wider.

Arithmetic Mean

The average of a collection of numbers, obtained by dividing the sum of the numbers by the quantity of the numbers. Also known as an average. Also measure of surface roughness. See RMS.

Arc of Contact

That portion of the circumference of the coated abrasive product in contact with the work being ground.

Abrasive Planing

Sanding of glued-up or lumber banded man-made board panels prior to intermediate sanding or the application of overlays.

Accuracy

Conformity in dimension to an exact standard.

Active Filler

A fine, solid material dispersed in the grain bond adhesive of a coated abrasive, which is chemically reactive during grinding to promote faster and/or smoother cutting action by the coated abrasive product. These materials are primarily useful in grinding stainless steels, high nickel alloys and titanium.

Adhesive

The substance used to bond the grain to the backing on a coated abrasive product.

Alumina

Aluminum Oxide.

Aluminum Oxide

An abrasive made by fusing the mineral bauxite (Al2O3).

Anneal

Treatment of metals, and other materials, with heat and cooling to make the material less brittle.

Arbor

The spindle of the grinding machine on which the contact wheel, or idler pulley, is mounted.

Arbor Hole

The hole in the contact wheel, or idler pulley, sized to fit the machine arbor.

VSM Abrasives Co.
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