CNC Machining

What is the advantage of CNC machine?

• Less Flexible
• Less investment
• Less accuracy
• complicated jobs machining

Which operation is performed by point- to -point system?

• Side milling
• face milling
• Drilling
• Pocket milling

Which code is used for 'Circular interpolation clock wise direction'?

• G01
• G02
• G03
• G00

What is the operation to produce internal thread in VMC?

• Reaming
• Tapping
• Drilling
• Boring

Which form a program block in CNC?

• Cams
• Levers
• Gears
• Alpha numeric codes

What is part program?

• Instruction to machine
• Instruction to supervisor
• Instruction to manager
• Instruction to operator

Which device is used for feedback system in CNC?

• Control unit
• Axis motor
• Encoder
• Spindle motor

What is full form of CNC?

• Computer numerical control
• Computer number control
• Computer network control
• Computer numbers count

The punch tape reader in a CNC machine is

• feedback system
• input device
• program
• driving system

What is the code for Absolute Programming

• G90
• G91
• G20
• G21