CNC Mill operator test questions and answers 2023 with complete solution The area of the control keypad that allows the operator to show different information, such as offsets, machine settings, and the current program. Answer- offset The area of the control keypad that allows an operator to enter letters and special characters into the control. Answer- Alpha keys A code used to signal an action from a miscellaneous group of commands. Answer- M codes An offset used on the machining center that accounts for variations in tool length along the Z- axis. Answer- Tool offset In zero return mode, the key that returns and initializes all axes to machine zero or Home. Answer- Home 28 The rate that the cutting tool or work piece moves at the point of contact. Answer- Feed rate The control button used to pause a program. Answer- Feed hold CYCLE START Answer- The control button used to begin a program or continue a program that has been previously stopped.FEED HOLD Answer- The control button used to pause a program.LIST PROG Answer- An operation mode key that lists programs and allows an operator to select, send, receive, and delete programs.RESET KEYS Answer- The area of the control keypad that executes functions vital to the beginning and end of a machining operation.M09 Answer- An M code that turns coolant off.M08 Answer- An M code that turns coolant on.
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