In machining of a workpiece, the material is removed by_____
The depth that the tool is plunged into the surface is called as ______
Feed is measured in units of _____
CNC machining centres do not include operations like ______
In CNC systems multiple microprocessors and programmable logic controllers work ______
Which of the following is not the advantage of CNC machines?
Answer: Improved strength of the components
In how many ways CNC machine tool systems can be classified?
Which machine tools are basically handled and controlled by Computer Numerical Control (CNC) machine especially at the manufacturing sector?
Which kind of switches examine or detect the presence of an item or object without making contact with them?
Answer: Proximity Switches
Which bus forms an intermediate communication path between input/output ports and input/output units?
Which unit of PIC undergo the process of converting mains ac voltage to low dc voltage required for the circuits and the input-output interfacing modules ?
Answer: Power Supply Unit
Which machine tool reduces the number of set-ups in machining operation, time spent in setting machine tools and transportation between sections of machines?
The machine tool, in which calculation and setting of the operating conditions like depth of cut, feed, speed are done during the machining by the control system itself, is called
Answer: Adaptive Control System
Part-programming mistakes can be avoided in
Answer: CNC (Computer Numerical Control) machine tool
Several machine tools can be controlled by a central computer in
Answer: DNC (Direct Numerical Control) machine tool
In CNC machine tool, the part program entered into the computer memory
Answer: can be used again and again
Which of the following options is correct for the control unit and panel of NC (Numerical Control) and CNC (Computer Numerical Control) machine tools?
Answer: The control unit of NC machine tool works in batch processing mode and the control unit of CNC machine tool works in ON-line mode
In NC (Numerical Control) machine tool, the position feedback package is connected between
Answer: control unit and machine tool
The device, fed to the control unit of NC machine tool which sends the position command signals to sideway transmission elements of the machine, is called as
In part programming, interpolation is used for obtaining _______ trajectory.