CNC Answers
CNC Machine Bed
33] If not use of backlash Eliminator slap cutter used for down milling operation which safety to be observed?
A] Less lead and depth
B] High lead
C] high lead and less depth
D] High lead and high speed
34] Zero offset is the distance between...... And.........
A] G41 & g42
B] Machine zero & work zero
C] Reference point and tapping mode
D] None of them
35] The feed rate is programmed as mm per minute with G .......... And mm per- Revolution with G.
A] G41 & g42
B] G 43 and G 40
C] G 94 and g95
D] None of them
36] For collection all instructions from........ In CNC control unit
A] Memory
B] Tape reader
C] Control panel
D] Operator
37] For control forward and backward of- CNC drilling machine y axis.........
A] Spindle
B] Table
C] Clockwise
D] Column
38] M 01 command means.....
A] For stopping programs
B] End of program and reset
C] Stopping programs condition
D] Clockwise rotation of machine spindle
39] CNC machine is founded by American scientist john person in........ Year
A] 1950
B] 1952
C] 1955
D] 1957
40] Name of unit used to command the CNC machine.
A] Control unit
B] Memory unit
C] Input unit
D] Output unit
