ToolingU: Introduction to CNC Machines 201 Questions and Answers Already Passed

ToolingU: Introduction to CNC Machines 201 Questions and Answers Already Passed Which of the following controlled the movements of NC machines? Electrical logic circuitry Which of the following is a benefit of CNC machines? Reduced risk of human error. Which CNC machine uses force to create bends or holes in sheet metal? CNC punch press What system uses axes to locate an object in three-dimensional space? Cartesian coordinate system Which feedback device conveys position using an electrical current between two points and is installed in the worktable? Linear scale On a vertical machining center, a positive X position combined with a negative Z position indicates movement in which two directions? To the right and down Which component of an open-loop system generates pulses to drive the movement of the ballscrew? Stepper motor Which of the following is a method of inputting information into modern CNC machines? Ethernet Cable Where does the machine operator input part programs? MCU Which type of control system has a motor that has feedback device to verify that the work was accurately performed? Closed-loop system What CNC feature provides common operations already programmed into the machine? canned cycles Which type of CNC machine rotates a workpiece while moving a cutting tool against it? CNC lathe What type of tool movement can create angles, curves, cones, and other shapes? Contouring What is a point-to-point positioning system? A point-to-point positioning system: Directs the tool to cut at each end position. Which axis describes how a part tilts or spins