《08级《数控专业英语》复习题_答案1》.docVIP

《数控专业英语》复习题 Part I Vocabulary Structure Directions: This part is to test your ability to use words and phrases correctly. There are 10 incomplete statements here. You are required to complete each statement by choosing the appropriate answer from the 4 choices marked A, B, C, and D. Of accessories for _A_, the most widely used is the universal dividing head. A) milling machines B) lathes C) drilling machines D) shapers ____C___ are used for drilling holes, tapping, counter-boring, reaming, and other general-purpose boring operations. A) Milling machines B) Lathes C) Drilling machines D) Shapers ___C___ are generally used for machining large surface although other shapes can also be machined. A) Milling machines B) Lathes C) Drilling machines D) Planers and shapers The basic components of the most common __A___ are the bed, headstock, tailstock, and carriage. A) milling machine B) lathe C) drilling machine D) shaper The software of a CNC system consists of at least three major programs: ____B___, a service program, and a control program. A) a part programming B) a part program C) a part programmer D) a parts program The ___C____ is a small computer or microprocessor dedicated to a particular machine tool. A) comparator B) electronic device C) machine control unit D) ADC If ten different part programmers were asked to develop a process plan for the same part, they would probably come up with ten different ___C____. A) CAM B) CAD C) CAP D) CAE The core of ___A____, however, is preparation of the manuscript, its conversion into a verified tape, and subsequent editing. A) manual programming B) machining process C) manufacturing system D) feedback system Programmers need skills and ____A____ knowledge of machining and tooling practices. A) considerable B) considerably C) considerate D) considering Beyond that, programmers should ___C____ the particular NC machine, its capabilities, and speci