Commercial Processes

Question 1

Machining - Center Lathe Facing Off

Answer 1

Parting off/separating metals

Uses knife tools

Question 2

Machining - Center Lathe Parallel turning

Answer 2

The diameter of the material is reduced evenly

Uses knife tools

Question 3

Machining - Center Lathe Taper turning

Answer 3

Reducing one end more than the other

Uses knife tools

Question 4

Machining - Center Lathe Knurling tool

Answer 4

Create your own bolts

Question 5

Milling

Answer 5

Coolant needed as it will get hot due to friction

If coolant is not used there will be an uneven finish

CNC machine

Design is more accurate with identical results

Question 6

Pewter casting

Answer 6

96% tin

4% copper

Heated by a blow torch to 200°C

Furnace moulds made from MDF, styrofoam or produced by hand

Question 7

Sand casting

Answer 7

Sand with runners for metal to travel through

Molds can be reused and taken apart

Car engines, 3D shapes and aeroplane parts

Question 8

Depth stops

Answer 8

Produces bars the same length

Helps to drill down to the right length

Question 9

Go-No-Go gauges

Answer 9

A quality control process

If the bar can go through both but not easily, it’s perfect

If bar goes through easily, it’s too small

If bar can’t go in, it’s too big