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MCQ - TNPSC JTO

JTO - 534 - Advanced Computer Numerical Control

534 - Unit X 4th Axis on VMC

49)   

On a CNC controller, what should be confirmed after referencing the A-axis?

A.
B.
C.
D.
50)   

What happens if the 4th axis is not referenced properly before machining?

A.
B.
C.
D.
51)   

In VMCs with a 4th axis rotary table, which method is used to lock the axis during alignment?

A.
B.
C.
D.
52)   

The rotary axis alignment should always be verified:

A.
B.
C.
D.
53)   

When setting a fixture on the 4th axis, the axis should be:

A.
B.
C.
D.
54)   

To find true centerline of rotation of 4th axis, you use:

A.
B.
C.
D.
55)   

When aligning the 4th axis, which value is critical for precision rotary motion?

A.
B.
C.
D.
56)   

What is the primary reason for zero-point calibration of the 4th axis?

A.
B.
C.
D.
57)   

If the rotary axis (A-axis) is not locked during cutting, what could happen?

A.
B.
C.
D.
58)   

Which tool is used to check flatness of the rotary table while aligning?

A.
B.
C.
D.
59)   

How is angular referencing typically performed in CNC rotary tables?

A.
B.
C.
D.
60)   

What is the standard referencing position of the rotary A-axis?

A.
B.
C.
D.
61)   

In most CNC systems, which function is used to send all axes including the 4th axis to home/reference position?

A.
B.
C.
D.
62)   

A rotary axis offset error can result in

A.
B.
C.
D.
63)   

During alignment, a test bar is used to:

A.
B.
C.
D.
64)   

In CNC 4th axis machines, referencing is stored in:

A.
B.
C.
D.