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Worksheets018 Short Question Paper Revision
Total questions: 10
Worksheet time: 10mins
What are the two main types of conventional milling machines?
Vertical milling machine
Horizontal milling machine
3-axis CNC milling machine
5-axis CNC milling machine
How would you reduce vibration on a horizontal milling machine?
Decrease the feed rate
Decrease the cutting speed
Place the over arm support as close as possible to the cutter
Place the workpiece as close as possible to the cutter
The cutting tool on a horizontal milling machine is held on a...
Arbor
Collet
Tool post
Chuck
What is the purpose of locking slides when machining?
To reduce vibration
To improve surface finish
To slow down feed rate
To increase cutting speed
What is the purpose of parallel strips?
To accurately support the workpiece in a vice
To accurately support the vice in the machine worktable
To accurately support the cutting tool in a collet
To accurately support the workpiece without need for a vice
What does the apron of a centre lathe do?
Enables tools to be stored safely
Enables the cutting speed to increase
Enables tool post to be adjusted
Enables feed to be engaged
When turning, vibration can be reduced by:
Reducing the feed rate
Reducing the cutting speed
Reducing tool deflection
Reducing coolant used
What is the function of the revolving centre of a lathe machine?
To set up the cutting tool
Supporting the workpiece
To measure the cutting tool
To measure the workpiece
What is a 4 Jaw Chuck used for holding?
Circular workpieces
Large workpieces
Heavy workpieces
Various shapes of workpieces
Why would you set the lathe tool a small amount below the centre of the workpiece?
To increase rake angle
To decrease rake angle
