NIMS CNC Operator Test Study Guide With Complete SOLUTIONS

+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. block delete - ANSWER A machine control that provides the option of skipping a predetermined series of program blocks. A block delete allows the operator to run two versions of the same program. bracket - ANSWER [ ]. Punctuation marks used to separate CNC program command