- On a mill, the tool mounts in the _____________.
Your answer:
workpiece
spindle
stepper motor
cross slide
- The work piece is _____________.
Your answer:
the same as a workbench
the stock you mill
a tool
none of the above
- Work Coordinates are ______________.
Your answer:
referenced from the workpiece origin
changeable for different workpiece locations
usually different from machine coordinates
all of the above
- CNC stands for ____________.
Your answer:
Computational Numeric Catalyst
Control for New Computers
Computer Numeric Control
Combined Numeral Components
- An NC code block is ______________.
Your answer:
a way to stop a program from running
an unmachined workpiece
a character in an NC program
a line in an NC program
- End mills and ball mills are _____________.
Your answer:
tools used for cutting
tools used for grinding
drill bits
none of the above
- The axes on a mill are called the _____________.
Your answer:
the R, L, S axes
the X, Y, Z axes
the J, K, I axes.
the M, N, O axes
- You should press the Emergency Stop button on the machining center when _______________.
Your answer:
there is an emergency
you are changing tools on the machine
you open the Safety shield
all of the above
- Tool path verification is used _______________.
Your answer:
after a part is machined
before a part is machined
to home the machine
to send an e-mail to the machine manufacturer
- An NC file ______________.
Your answer:
is used to remove burrs from the workpiece
is never stored on the computer
is a cabinet where you keep all of your NC programs
can be edited
- When can you make adjustments to the machine?
Your answer:
When ever you want.
When the machine is running.
Only when the emergency stop button is pressed in.
When the machine is paused during a program.
- The spindle axis is _______________.
Your answer:
the S axis
the I axis
the O axis
the Z axis
- Feed rate is ______________.
Your answer:
how fast the machining center consumes power
how fast the machine turns the spindle
how fast the tool moves through the workpiece
how fast the chips are removed from the workpiece
- The Jog Control is used to ________________.
Your answer:
move the cross slide
home the machine
raise and lower the spindle
both 1 and 3
- Machine Home is _______________.
Your answer:
the top-front-left corner of the entire work envelope
where you store the machine
the point of origin on the workpiece
a point that can be changed
- What do you use to hold stock on the cross slide?
Your answer:
Your lab partner.
Some wire.
A vise.
Your hands.
- The safety shield _____________.
Your answer:
protects the operator from flying chips
keeps foreign objects out of the enclosure
allows the operator to see the machining process
all of the above
- A Dry Run is ______________.
Your answer:
another way of verifying your NC program
run prior to setting the z value
running the program with stock mounted and tool in place
both 1 and 3
- The first step in designing a part to be machined is ______________.
Your answer:
performing a dry run
writing the program
sketching the part
drawing the part to scale
- Safety is _______________.
Your answer:
something only your teacher should consider
something to consider when operating a machine
the least important thing to consider when operating a machine
the most important thing to consider when operating a machine