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A part of a machine tool that allows the tool carriage to move at right angles to the main direction of travel.



Related Terms

BILATERAL TOLERANCE

The amount that the size of a machine part is allowed to vary above or below a basic dimension; for example, 3.650 0.003 centimeters indicates a tolerance of 0.003 centimeter.

FLOOR BEAM

  1. A beam used in the framing of floors in buildings. 2. A large beam used in a bridge floor at right angles to the direction of the roadway, to transfer loads to bridge supports.

CHIP CAP

A plate or cap on the upper part of the cutting iron of a carpenter's plane designed to give the tool rigidity and also to break up the wood shavings.

CIRCULAR SCANNING

Radar scanning in which the direction of maximum radiation describes a right circular cone.

CONDITION BASED MAINTENANCE

(CBM) a maintenance plan, conducted on a frequent or real-time basis, which is based on the use of Condition Monitoring to determine when part replacement or other corrective action is required. This process involves establishing a baseline and operating parameters, then frequently monitoring the machine and comparing any changes in operating conditions to the baseline. Repairs or replacement of parts are carried out before the machinery fails based upon the use of the tools prescribed for CM.

BORING MILL

A boring machine tool used particularly for large workpieces; types are horizontal and vertical.

COMPOUND REST

A principal component of a lathe consisting of a base and an upper part dovetailed together; the base is graduated in degrees and can be swiveled to any angle; the upper part includes the tool post and tool holder.

GEAR CUTTER

A machine or tool for cutting teeth in a gear.

CUTTING SPEED

The speed of relative motion between the tool and workpiece in the main direction of cutting. Also known as feed rate; peripheral speed.

DESIGN STRESS

A permissible maximum stress to which a machine part or structural member may be subjected, which is large enough to prevent failure in case the loads exceed expected values, or other uncertainties turn out unfavorably.

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