PPCE1

The cutting parameters are

• Cutting speed
• Feed rate
• Depth of cut
• All above

Calculate the cutting speed of shaping operation, if it is capable of 15 strokes per minute over a stroke length of 2m, with cutting time ratio 4:5

• 50m/min
• 37.5m/min
• 25m/min
• 12.5m/min

Identify the process that requires comparatively more feed rate

• Turning
• Facing
• Thread cutting
• Parting off

The thickness of layer of material removed in one cut or pass is termed as

• Feed rate
• Depth of cut
• Chip thickness
• Waste material

A work holding device which holds the job and guide the tool is called as

• Guide chuck
• Jig
• Fixture
• 2 and 3 above

A work holding device uded for drilling and tapping is

• Brill chuck
• Jig
• Fixture
• None

The fixture is heavy in construction. State True of False.

• true
• false

Identify the elements of Jig

• Clamping element
• Locating element
• Guiding element
• All above

How many degrees of freedom are arrested in 3-2-1 principle

• 12
• 8
• 9
• 6

The basic principles in jig and fixture design are

• clamping
• clearance
• stability and rigidity
• All above