Font size
WorksheetsQUIZ CNC MILLING
Total questions: 20
Worksheet time: 13mins
CNC term is
Computer Numerical Contouring
Computer Numerical Control
Control Numerical Computer
Computer Numerical Center
Advantages of CNC machine. Tick the 3 correct answers
Avoids human errors
Lower maintenance requirement
Reduce space requirement
Higher productivity and better quality
High operator skill to handle machine
Main parts of the CNC Milling. Tick the 3 correct answers
Main Spindle
Tailstock
Automatic Tool Changer (ATC)
Electrode Wire
Control Panel
The Linear Axes of CNC Milling
XZ
XYZ
ABC
UVW
The location of machine table and spindle (tool) at X0,Y0,Z0
Work Zero Point
Workshift
Home Position
Machine Coordinate Point
Work Zero Point is.........Tick the 3 correct answers.
A point on the workpiece
Work origin
Home Position
X0,Y0,Z0
Machine zero point
Cutting along a straight line between two point
G00
G01
G02
G03
Cutting a circular anti-clockwise direction between two point
G01
G02
G03
G04
Absolute Coordinate System
G91
G90
G50
G01
Meaning for G43 :
Tool Offset Right
Tool Offset Left
Tool Length Offset
Tool Radius
Work Coordinate System is.....tick the 3 correct answers
The location of the workpiece
Distance between the workpieces to the home position
XY Axis as a Workshift
Tool Radius Compensation
G codes for Workshift
G50
G54
G40
G42
Change a tool
M03
M05
M06
M08
M30 has the same function as M02
YES
NO
Meaning this codes ' M03 S1200' is....
Tool change at speed 1200 RPM
Spindle rotation clockwise at 1200 RPM
Spindle rotation anti-clockwise at 1200 RPM
Tool rise up at 1200 RPM
Refer the drawing for Absolute Coordinate System, select the correct coordinates.....
B (25.0 ,0)
C (X25.0, Y25.0)
D (X60.0, Y50.0)
F (X75.0, Y75.0)
Terms for the Incremental Coordinate System. Tick the 3 correct answers
G91
X movement to the right, X+ and to the left X-
Require a reference point
Depends on the distance of movement
Refer the work origin X0, Y0 and Z0
The Automatic Tool Changers (ATC) function to attachment and changing of the tool is done directly by rotating the drum at its home position.
YES
NO
In part programing...G01 X10.0 Y10.0 F250, F code stand for...
Function
Figure
Flow
Feedrate
A typical block of a part program contains a variety of code words except..........
G codes
Block Number
Tool function
Machine table function
Spindle speed function
