Activity 6 - 24351 (v2) Demonstrate knowledge of and use specified fixed machinery in the construction of BCATS projects

Student name:

There are several faults in the picture below.
Identify THREE faults and the potential consequences.

Fault 1

Potential consequence

Fault 2

Potential consequence

Fault 3

Potential consequence

From the list of drill bits below, identify the most appropriate drill bit for each of the given tasks.

Standard twist drill	Brad bit	Spade bit
Forstner bit	Combination auger bit	Hole saw
Countersink/counter-bore combination set

Task	Appropriate bit
1	Drill a 25 mm hole through 150mm thick timber.
2	Drill a 10mm dowel hole.
3	Drill two overlapping holes.
4	Drill a 6mm hole through a steel bar.
5	Prepare the pilot, clearance and countersink holes for 25 individual screws.
6	Drill a 75mm hole through a fibreglass panel.
7	Drill a 25mm hole through 50mm thick timber.
8	Drill a 30mm hole through 10mm plywood.

To bore holes at any angle, the table can be tilted and set to the desired angle.

To bore holes in round stock, use a vee-block.

What does a vee-block do?

What are the potential consequences to the work if you force the drill to cut straight through the work in a single action?

Describe the possible consequences of holding small objects in your hands when drilling.

What are the advantages of using a drill press over a hand held electric drill?

Why should large diameter drills, such as hole saws, be used at low speeds?

Describe the possible consequences if your hair got tangled in the moving drill bit.

Explain the purpose of the depth stop.