NIMS CNC Operator Test Study Guide
+X -ANSWER✅✅✅A jog key that moves the spindle along the X-axis in the positive
direction.
minus (-)X -ANSWER✅✅✅A jog key that moves the spindle along the X-axis in the
negative direction.
+Y -ANSWER✅✅✅A jog key that moves the spindle along the Y-axis in the positive
direction.
minus (-)Y -ANSWER✅✅✅A jog key that moves the spindle along the Y-axis in the
negative direction.
+Z -ANSWER✅✅✅A jog key that moves the spindle along the Z-axis in the positive
direction.
minus (-)Z -ANSWER✅✅✅A jog key that moves the spindle along the Z-axis in the
negative direction.
+A -ANSWER✅✅✅A jog key that rotates machine components around the A-axis in a
positive direction. Not all Haas mills are equipped with a fourth A-axis.
minus (-)A -ANSWER✅✅✅A jog key that rotates machine components around the A-
axis in a negative direction. Not all Haas mills are equipped with a fourth A-axis.
+B -ANSWER✅✅✅A jog key that rotates machine components around the B-axis in a
positive direction. Not all Haas mills are equipped with a fifth B-axis.
minus (-)B -ANSWER✅✅✅A jog key that rotates machine components around the B-
axis in a negative direction. Not all Haas mills are equipped with a fifth B-axis.
+10 FEEDRATE -ANSWER✅✅✅An override key on the Haas control that increases
the current feed rate in 10% increments.
minus (-)10 FEEDRATE -ANSWER✅✅✅An override key on the Haas control that
decreases the current feed rate in 10% increments.
100% FEEDRATE -ANSWER✅✅✅An override key on the Haas control that sets the
feed rate back to 100% of the programmed value.
, +10 SPINDLE -ANSWER✅✅✅An override key on the Haas control that increases the
current spindle speed in 10% increments.
minus (-)10 SPINDLE -ANSWER✅✅✅An override key on the Haas control that
decreases the current spindle speed in 10% increments.
100% SPINDLE -ANSWER✅✅✅An override key on the Haas control that sets the
spindle back to 100% of the programmed value.
5% RAPID -ANSWER✅✅✅An override key on the Haas control that limits rapid
traverse to 5% of maximum.
25% RAPID -ANSWER✅✅✅An override key on the Haas control that limits rapid
traverse to 25% of maximum.
50% RAPID -ANSWER✅✅✅An override key on the Haas control that limits rapid
traverse to 50% of maximum.
100% RAPID -ANSWER✅✅✅An override key on the Haas control that allows the
machine spindle to move at its maximum rate of travel.
Alarm 176 -ANSWER✅✅✅An alarm code on the Haas control that indicates the
machine is experiencing an overvoltage condition. Alarm 176 initiates auto-shutdown
after 4.5 minutes.
Alarm 177 -ANSWER✅✅✅An alarm code on the Haas control that indicates the
machine is experiencing an overheating condition. Alarm 177 initiates auto-shutdown
after 4.5 minutes.
ALARM/MESGS -ANSWER✅✅✅The display key on the Haas control that shows the
current alarms when pressed once and messages when pressed twice.
alpha keys -ANSWER✅✅✅The area of the control keypad that allows an operator to
enter letters and special characters into the control.
AUTO ALL AXES -ANSWER✅✅✅In zero return mode, the key that returns and
initializes all axes to machine zero.
Auto Power Off Timer -ANSWER✅✅✅Setting 1. A setting that indicates how many
minutes of idle time must lapse before the machine is automatically turned off.
AUX CLNT -ANSWER✅✅✅A jog key that turns on the Through Spindle Coolant
system when in MDI mode. Pressing this key again shuts off the system.
+X -ANSWER✅✅✅A jog key that moves the spindle along the X-axis in the positive
direction.
minus (-)X -ANSWER✅✅✅A jog key that moves the spindle along the X-axis in the
negative direction.
+Y -ANSWER✅✅✅A jog key that moves the spindle along the Y-axis in the positive
direction.
minus (-)Y -ANSWER✅✅✅A jog key that moves the spindle along the Y-axis in the
negative direction.
+Z -ANSWER✅✅✅A jog key that moves the spindle along the Z-axis in the positive
direction.
minus (-)Z -ANSWER✅✅✅A jog key that moves the spindle along the Z-axis in the
negative direction.
+A -ANSWER✅✅✅A jog key that rotates machine components around the A-axis in a
positive direction. Not all Haas mills are equipped with a fourth A-axis.
minus (-)A -ANSWER✅✅✅A jog key that rotates machine components around the A-
axis in a negative direction. Not all Haas mills are equipped with a fourth A-axis.
+B -ANSWER✅✅✅A jog key that rotates machine components around the B-axis in a
positive direction. Not all Haas mills are equipped with a fifth B-axis.
minus (-)B -ANSWER✅✅✅A jog key that rotates machine components around the B-
axis in a negative direction. Not all Haas mills are equipped with a fifth B-axis.
+10 FEEDRATE -ANSWER✅✅✅An override key on the Haas control that increases
the current feed rate in 10% increments.
minus (-)10 FEEDRATE -ANSWER✅✅✅An override key on the Haas control that
decreases the current feed rate in 10% increments.
100% FEEDRATE -ANSWER✅✅✅An override key on the Haas control that sets the
feed rate back to 100% of the programmed value.
, +10 SPINDLE -ANSWER✅✅✅An override key on the Haas control that increases the
current spindle speed in 10% increments.
minus (-)10 SPINDLE -ANSWER✅✅✅An override key on the Haas control that
decreases the current spindle speed in 10% increments.
100% SPINDLE -ANSWER✅✅✅An override key on the Haas control that sets the
spindle back to 100% of the programmed value.
5% RAPID -ANSWER✅✅✅An override key on the Haas control that limits rapid
traverse to 5% of maximum.
25% RAPID -ANSWER✅✅✅An override key on the Haas control that limits rapid
traverse to 25% of maximum.
50% RAPID -ANSWER✅✅✅An override key on the Haas control that limits rapid
traverse to 50% of maximum.
100% RAPID -ANSWER✅✅✅An override key on the Haas control that allows the
machine spindle to move at its maximum rate of travel.
Alarm 176 -ANSWER✅✅✅An alarm code on the Haas control that indicates the
machine is experiencing an overvoltage condition. Alarm 176 initiates auto-shutdown
after 4.5 minutes.
Alarm 177 -ANSWER✅✅✅An alarm code on the Haas control that indicates the
machine is experiencing an overheating condition. Alarm 177 initiates auto-shutdown
after 4.5 minutes.
ALARM/MESGS -ANSWER✅✅✅The display key on the Haas control that shows the
current alarms when pressed once and messages when pressed twice.
alpha keys -ANSWER✅✅✅The area of the control keypad that allows an operator to
enter letters and special characters into the control.
AUTO ALL AXES -ANSWER✅✅✅In zero return mode, the key that returns and
initializes all axes to machine zero.
Auto Power Off Timer -ANSWER✅✅✅Setting 1. A setting that indicates how many
minutes of idle time must lapse before the machine is automatically turned off.
AUX CLNT -ANSWER✅✅✅A jog key that turns on the Through Spindle Coolant
system when in MDI mode. Pressing this key again shuts off the system.
