Element 01 in Machine Design

An operation of sizing and finishing a hole by means of a cutting tool having several cutting edges.

• notching

• piercing

• turning

• reaming

A machine tool used in the production of flat surfaces on pieces too large or too heavy or, perhaps too awkward to hold in a shaper.

• shaper
• planer
• tool grinder
• power saw

The total permissible variation in the size of a dimension; the difference between the limits of size.

• allowance
• tolerance
• variance
• interface

A group of thin steel strips for measuring clearances.

• distortion gage
• feeler gage
• line center gage
• deflection gage

The permissible variation in the size of a dimension ; the difference between the limits of size.

• allowance
• variance
• clearance
• tolerance

A machine tool in which metal is removed by means of a revolving cutter with many teeth, each tooth having a cutting edge which remove its share of the stock.

• milling machine
• broaching machine
• lathe machine
• boring machine

The portion of a gear tooth that projects above or outside the pitch circle.

• top relief
• dedendum
• addendum
• tooth space

The process of heating a piece of steel to a temperature within or above critical range and cooling rapidly.

• normalizing
• hardening
• annealing
• tempering

The operation of enlarging a hole by means of an adjustable cutting tool with only one cutting edge.

• drilling
• broaching
• milling
• boring

A material that can wear away a substance softer than itself.

• phenol
• abrasive
• tungsten
• chromium