Exam 3 Review

Question 1

X, Y, Z, A, B, C

Answer 1

axis position

Question 2

I, J, K

Answer 2

axis or movement vector

Question 3

F, S

Answer 3

feed rate or spindle speed

Question 4

T

Answer 4

tool number

Question 5

M

Answer 5

machine control (spindle, coolant, etc)

Question 6

G

Answer 6

Motion control

Question 7

H

Answer 7

Offset number

Question 8

N

Answer 8

Block number

Question 9

O

Answer 9

Program number

Question 10

Example:
N010 X1.5 Y5. Z3.;
N020 A45.;

Answer 10

Move axes
Rotate about the 4th axis

Question 11

Modal codes

Answer 11

Does not change from block to block

Question 12

Nonmodal codes

Answer 12

Active only in the block it is in

Question 13

G00

Answer 13

Rapid positioning
-moves as fast as you let it
-ignores the path to get there

Question 14

G01

Answer 14

Linear interpolation
-moves to a point at a feed rate (F)
-take the shortest path

Question 15

G02, G03

Answer 15

Circular interpolation
-moves to a point via an arc, radius (R)

Question 16

Which circular interpolation is clockwise?

Answer 16

G02

Question 17

G90

Answer 17

Absolute coordinates
-Cartesian coordinate system

Question 18

G91

Answer 18

Incremental coordinates
-move (X, Y, Z) distance from where you are, ignores the origin

Question 19

G54

Answer 19

Work coordinate system (wcs)
-the (0, 0, 0) origin you specify in the controller

Question 20

M00

Answer 20

Pause the program

Question 21

M03 S####

Answer 21

Spindle on clockwise
-RPM specify by S####

Question 22

M04 S####

Answer 22

Spindle on counterclockwise

Question 23

M05

Answer 23

Stop spindle

Question 24

M06 T##

Answer 24

Change to tool (##)

Question 25

M07/M08

Answer 25

Coolant on

Question 26

M09

Answer 26

Coolant off