cnc code test

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1 point

spindle start

spin begin

spindle off

spin stop

1 point

g20

use inches

use a ruler

use centimeters

use decimals

1 point

name two types of cnc machines

mill and lathe

mill and label

milling and cutting

mill and lame

1 point

arc ccw

arc cw

circles

arc rt

1 point

tool change

change inches

change metric

change collets

1 point

z-.02

tool up

tool lf

tool rt

tool down .02

1 point

arcs and circles are cut with i and j codes that represent the the arc centers for x and y

True

False

1 point

arc ccw

linear arcs

arc cw

circle lf

1 point

because the cnc machine has a safety shield, no safety glasses are needed

True

False

10.

1 point

spindle on

motor on and off

spindle off

collet on

11.

1 point

feed rate is how fast the cutting tool moves while cutting inches per minute

True

False

12.

1 point

g17

cutting plane axis

xyz axis

xyz 87

xy plane

13.

1 point

tool steel is soft

True

False

14.

1 point

g90

incremental program

absolute programming

start at no

start at the beginning

15.

1 point

machine part that holds the tool

collet

call waiting

drill arbor

chuck

16.

1 point

drawing a cnc program using autocad or inventor is computer aided manufacturing.

True

False

17.

1 point

cutting tools can be made from ceramic material

True

False

18.

1 point

start

end of the part

stop

end of program

19.

1 point

circle rt

linear also cancels arcs

linear also cancels machine part drawings

line

20.

1 point

cutting tool is called an:

flute

cutter tool

end part

end mill

21.

1 point

move rapidly

stop

move here

move slow

22.

1 point

speed is measured in rpms

True

False

23.

1 point

if an emergency arises, press the red button,

True

False

24.

1 point

Define cnc

computer numerical cad

computer numerical control

computer naming codes

cad numbering nomenclature

25.

1 point

x.5

move tool down

move tool left or right .5

move tool up.5

metric tool chnge

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