Fixed Machines - Part2

Which safety rules do we follow for fixed machines

• Remove or secure loose clothing.

• Wear eye protection

• Check electrical cables

• Tie hair back

When drilling on a drill press, what procedures do we follow? Tick all appropriate ones.

• Work is clamped

• Centre mark is punched

• Drill is tight in the chuck

• Chuck key is removed from chuck

True or False. When drilling, we periodically lift drill out of hole to clear swarf. This helps improve quality and finish of hole.

• True

• False

When drilling, what can cause squealing. Tick all that could be the cause.

• Drill loose

• Drill too sharp

• Drill not tight.

• Drill blunt

What is the general rule for use of a Lathe Chuck key.

• Leave it in the chuck always

• Only use chuck on wednesdays

• When not using it, put it back on tool rack.

• Your hand must be holding it at all times unless it is back in the tool rack.

On a lathe, when shaving across the face of your work, this process is known as _________

• Parting

• Parallel turning

• Facing

• Taper turning

On a lathe, when reducing the diameter of your work along the axis, this process is known as _________

• Parting

• Parallel turning

• Facing

• Taper turning

On a lathe, when turning an angled face on your work, this process is known as _________

• Parting

• Parallel turning

• Facing

• Taper turning

True or False, when drilling on a lathe we do not need to bother marking the centre of the hole.

• True. The drill we always find centre

• False, we always mark the centre but use a centre drill on the lathe instead of Centre punch as this will always be centre.

On a lathe, if we are parallel turning a Diameter 20mm bar with a depth of cut of 1mm, what will the final Diameter be?

• 20mm

• 19mm

• 18mm

• 17mm