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ToolingU: Introduction to CNC Machines201 Latest 2024
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?system ✔✔Cartesian coordinate
Which feedback device conveys position using an electrical current between two points and isinstalled in the worktable? ✔✔Linear scale
On a vertical machining center, a positive X position combined with a negative Z positionindicates movement in which two directions? ✔✔To the right and down
Which component of an open-loop system generates pulses to drive the movement of theballscrew? ✔✔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 wasaccurately 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
