CIM 2.3

Question 1

System in which positions are given with respect to a fixed point, usually the origin.

Answer 1

Absolute

Question 2

A letter used in G & M code programming to designate a class of functions.

Answer 2

Address Character

Question 3

A single line of code in an NC part program.

Answer 3

Block

Question 4

A grinding machine that has been mounted to a bench or table. The grinding wheels mount directly onto the motor shaft. Normally one wheel is coarse, for roughing, and the other is fine, for finishing.

Answer 4

Bench Grinder

Question 5

Limits the size of mating parts so that a clearance always results when mating parts are assembled.

Answer 5

Clearance Fit

Question 6

The distance advanced by the cutting tool along the length of the work for every revolution of the spindle.

Answer 6

Feed

Question 7

A device designed and built for holding a particular piece of work for machining operations.

Answer 7

Fixture

Question 8

Preparatory functions that involve actual tool movements that control the machine.

Answer 8

G Code

Question 9

Programming code used to control CNC machines.

Answer 9

G & M Codes

Question 10

A system in which each position is taken from the one prior. Also called relative.

Answer 10

Incremental

Question 11

Limits the size of mating parts so that an interference always results when mating parts are assembled.

Answer 11

Interference Fit

Question 12

A device that holds and locates a piece of work and guides the tools that operate upon it.

Answer 12

Jig

Question 13

An acronym for Light Amplification by Stimulated Emission of Radiation. Some common uses for lasers are cutting, measuring, and guidance systems.

Answer 13

Laser

Question 14

A machine tool used for turning cylindrical forms on work pieces. Modern lathes are often equipped with digital readouts and numerical controls.

Answer 14

Lathe

Question 15

The ease or difficulty of machining as it relates to the hardness of a material to be cut.

Answer 15

Machinability

Question 16

M codes are miscellaneous functions that include actions necessary for machining but are not actual tool movements.

Answer 16

M Code

Question 17

A machine that removes material from work by means of a rotary cutter.

Answer 17

Milling Machine

Question 18

Information that is retained by the system until new information is obtained.

Answer 18

Modal

Question 19

Numerical Control. Any controlled equipment that allows an operator to program its movements through a series of coded instructions consisting of numbers, letters, symbols, etc.

Answer 19

NC

Question 20

Attribute of a feature, such as a dimension, that can be modified.

Answer 20

Parameter

Question 21

The instructions written by the programmer to produce a work piece.

Answer 21

Part Program

Question 22

Codes that carry out machining operations or establish machine settings; G-codes.

Answer 22

Preparatory Code

Question 23

The number of revolutions per minute (rpm) that is made by the cutting tool of a machine.

Answer 23

Spindle Speed

Question 24

The acceptable amount of dimensional variation that will still allow an object to function correctly.

Answer 24

Tolerance

Question 25

A square or rectangular steel block with a 90 degree V-groove through the center, provided with a clamp for holding round stock for drilling, milling, and laying out operations.

Answer 25

V-Block

Question 26

The programming expression formed when a letter (address) is combined with a number.

Answer 26

Word