CNC Lathe Program Questions with Complete Solutions (Latest 2025) What kind of system do CNC controls use? - Correct Answers ✅A Word Address System What is a word in a Word Address System? - Correct Answers ✅A series of characters defining a single function such as, G and M codes , an X axis move or F feedrate What does G stand for in the word Address system? - Correct Answers ✅Preparatory Function What does M stand for in the word Address System? - Correct Answers ✅Miscellaneous Function What does T stand for in the word Address system? - Correct Answers ✅Tool What does S stand for in the word address system? - Correct Answers ✅Speed (RPM) What does D stand for in the word address system? - Correct Answers ✅Depth of cut when used with G71 and G76 What does X Z U W stand for in the word address system? - Correct Answers ✅Axis 1 / 3
CNC Lathe Program Questions with Complete Solutions (Latest 2025) What does N stand for in the word address system? - Correct Answers ✅Sequence or Block Number What does R stand for in the word address system? - Correct Answers ✅Radius (when used with G02 or G03 circular motion) What does the L stand for in the word address system? - Correct Answers ✅Loop or repeat What does the F stand for in the word address system? - Correct Answers ✅Feed Rate Where are all available words and all valid number combinations that follow the words predefined by what and store where? - Correct Answers ✅Control's logic, and Control Memory What do all Numerical inputs regarding position, distance, feed rates, and angles require? - Correct Answers ✅A decimal point.What does the processor do when a decimal is not used? - Correct Answers ✅It interprets the value by analyzing the last significant digit and placing a decimal 4 places to the left. 2 / 3
CNC Lathe Program Questions with Complete Solutions (Latest 2025) What could happen if a decimal point wasn't present? - Correct Answers ✅The system could plot a bad tool path, or create an alarm because the processor cannot perform a valid calculation.What are the three parts of a program? - Correct Answers ✅The introduction, Body, and End What is contained in the program introduction? - Correct Answers ✅Program number (part name), Safe Home position, First Tool Used (Tool Type), Work Coordinate, Limit Maximum RPM Turn Off CSFM, Set RPM, Spindle On, Move Tool Pre-position, coolant on What is in the body of a program? - Correct Answers ✅Constant surface speed (CSS) on, Spindle on, linear interpolation, feedrate (begin part facing), Linear interpolation, Rapid away from part, Move tool to pre-position or champfer cut, Linear interpolation to begin champfer cut What else is in the program body? - Correct Answers ✅Linear Interpolation Cutting back 1.5 inches z Axis Safe Home Position Next Tool Used (Tool Type) Work coordinate, Limit Maximum RPM Turn OFF CSFM, Set RPM, Spindle On
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