CNC Answers
CNC Machine Axis
9] For selection of zero offset before necessary..........
A] cutter is fixed on machine table.
B] The data entered in machine.
C] Job is fixed on machine table.
D] Speed and feed selection necessary before machine operates.
10] In zero offset program indicates......... Code of following
A] X y z
B] X0 y0 z00
C] X10 Y20 Z30
D] G71
11] Work zero is
A] Datum of machine zero on job position.
B] Indicate by X0Y0Z0.
C] Selection of point on job according to program.
D] The end of machining point
12] M command is used for starting operation and complete revolution cycle M03 means.
A] Stop the program.
B] Program completed and reset.
C] Complete the program.
D] Spindle clockwise motion.
13] CNC machine is not manually operated it is control by...........
A] Program
B] operation
C] Cam
D] Plug board system
14] In CNC machine M13 means
A] coolant stop
B] coolant on
C] spindle stop
D] coolant on & spindle on
15] The function of power pack in CNC machine.
A] For balancing of lubricants heat.
B] For increasing heat of lubricants.
C] For destroy heat of lubricant.
D] Above all.
16] The section of CNC machine bed is.....
A] Flat
B] Half round
C] Rectangular
D] Triangular
