Advanced CNC Machining Technician - 2nd Yr

Name of the candidate?

What is Z in G84 X_ Y_ Z_ R_ F_?

• Hole depth
• Hole position
• Hole angle
• Hole numbers

In given below program format for counter boring cycle P stands for G82 G98 Z… P… R… F…

• return to initial point
• return to safe position
• dwell in seconds
• feed rate

M19 P210 What is above command tells?

• Call subprogram P210
• End Subprogra m P210
• Call block number N210
• Orient spindle to 210 degrees

M98 P1004 L5 will repeat subprogram O1234 for how many times?

• Four times
• Ninety eight time
• Eight time
• Five times

In absolute dimensioning all coordinates value are relative to a of the co-ordinate system

• fixed origin point
• previous location
• previous Direction
• previous operation

What is D in VMC program?

• Diameter of the cutter
• Cutting speed of the cutter
• Feed rate of the cutter
• Rpm of the cutter

What is G73 in CNC program?

• Simple drilling
• Tapping
• Reaming
• High speed peck drilling cycle

What is the part program?

• Instruction to machine
• Instruction to operator
• Instruction to supervisor
• Instruction to student

How long time it will take to complete or finish one part is known as?

• Cycle time
• Down time
• Machining time
• Loading time