CNC Answers
CNC Machine Power Pack
25] For face copying......... Type template is used
A] Rounded
B] Plate type
C] Flat
D] Triangular
26]............. Is Main principle of CNC MACHINE?
A] Indicate all states in numbers
B] More time required for mechanical control on machine.
C] Cutting speed is more than manual control.
D] Production sequence in workshop is stored by block number in machine.
27] For copy of one shaft........ Type template is used.
A] Rounded
B] Triangular
C] Flats
D] Square
28] The symptoms of continuous path is
A] Called counting system.
B] Tool and work piece on co-ordinate Axis for inter related motion.
C] By the setting of cutter feed and speed
D] Above all
29] Misc command M30 means........
A] End of program and reset
B] Program stop
C] Clockwise motion of spindle
D] Complete the programs
30] Following which affect on milling surface while by milling with unsetting spindle vertical milling machine with- longitudinal feed.
A] Convex surface
B] Concave surface
C] Radius cross line
D] Rough surface
31] While milling by vertical milling machine with 12 mm dia end mill cutter through slot provide on mild steel plate the cutter is sleep and broken for this fault how it is avoid.
A] High speed spindle
B] Low cutting speed
C] Increase of cut depth
D] Less the depth and feed of cutter
32] Having 5 mm pitch of screw and dividing ratio of 40 : 1 what is lead of milling machine
A] 0.25 mm
B] 5 mm
C] 8 mm
D] 200 mm
