Higher / Nat 5 Metalwork processes

Pouring molten metal into a mould to create a solid metal product is called Casting.

• True

• False

The Sand-Casting process involves first making a pattern. This is a full scale block, cut to the exact shape which is to be cast. For the pattern to release easy from the sand, it must have sloped sides. This means that all sand-cast products have sloping sides, known as a Draft Angle.

• True

• False

Sand Casted products require no further finishing.

• True

• False

sand cast products are normally small lightweight metal products.

• True

• False

Identifying features of sand casting are...... (Choose 4)

• Solid Metal Product

• A rough surface

• Small parts

• Fettle marks

• Draft Angle

Which of the following process is most suited to manufacturing the product shown?

• Sand Casting

• Die Casting

• Extrusion

• Metal turning

• Drop forging

Which of the following process is most suited to manufacturing the product shown?

• Sand Casting

• Die Casting

• Extrusion

• Metal turning

• Drop forging

In Die Casting, a piston injects molten metal into a mould, called the ??????

• Mould

• Pattern

• Die

Die casting moulds can be used over and over, giving a quick cycle time and large volumes of products.

• True

• False

Which of the following process is most suited to manufacturing the product shown?

• Sand Casting

• Die Casting

• Extrusion

• Metal turning

• Drop forging