Deck 11: Advanced Programming Concepts

Question 1

A program cannot be written with variables that can change values.

Answer 1

False

Question 2

Subprograms are called with the ____ code.

A) G64
B) G65
C) M97
D) M98

Answer 2

D

Question 3

A(n) ____ is a method of CNC tool control that forces the machine to decelerate and stop without over-traveling before proceeding to the next tool move.

A) dwell
B) exact stop
C) subroutine
D) subprogram

Answer 3

B

Question 4

A ____ is a computer language tool in NC programming that provides the user with some flexibility and automation through the use of variables, loops and decision structures.

A) subroutine
B) program
C) variable
D) macro

Question 5

A(n) ____ is a short pause in machine movement usually to allow a cut to be completed.

A) dwell
B) exact stop
C) repeat
D) refill

Question 6

There are three commonly available G-codes for resetting.

Question 7

A ____ is the symbolic representation of an element in an equation without regard to an actual numeric value of the element.

A) diagram
B) variable
C) subroutine
D) macro

Question 8

A tool ____ is a device that precisely measures the length and diameter of the cutting tools before they are installed in the machine.

A) caliper
B) presetter
C) rotator
D) holder

Question 9

The basic rule in computer programming is that any time a process must be repeated, we should use a ____ to perform the task.

A) compiler
B) circuit
C) subroutine
D) subset

Question 10

What is the benefit of using a subroutine or a subprogram?

Question 11

The syntax for programming a rotary table is the same as for rapid traverse and linear interpolation.

Question 12

When is the exact stop command useful?

Question 13

Where are macros used?

Question 14

A(n) ____ is a device that is mounted on the milling table to provide programmable rotation of a workpiece.

A) rotary table
B) traverser
C) automaton
D) subprogram

Question 15

Why is it often necessary to move or adjust the value of the work offsets?

Question 16

What is the distinction between indexing an axis and simultaneous fourth-axis interpolation?

Question 17

The A-axis usually can be rotated indefinitely in the same direction.

Question 18

Many companies have gone to tool presetting to cut downtime.

Question 19

G____ is used to move a currently established work zero usually by changing the X- and Y-offsets.

A) 00
B) 20
C) 50
D) 92

Question 20

The A-axis will usually have a resolution of ____ decimal degrees.

A) 0.0001
B) 0.001
C) 0.01
D) 0.1