Plastic Injection Moulding Quiz

Blow moulding …………………… to make bottles.

• using

• to use

• used

• is used

An injection molding machine has three basic ……………………..: the injection unit, the mold, and the clamping system.

• compose

• composed

• component

• components

Toys and bowls ……………… by injection moulding.

• are made

• made

• to make

• making

The clamping system closes and ……………. the mold.

• opens

• opening

• opened

• to open

Thermoplastics ………………..by extrusion.

• shaped

• can be shaped

• can shaped

• to shape

Molten plastic ……………….. through a shaped hole or die.

• forcing

• forced

• to force

• is forced

The process includes the ………………. or forcing heated molten plastic into a mold which is in the form of the part to be made.

• inject

• injecting

• injected

• to inject

The mold is mounted on …………………………… plate and usually guided by four tie-bars.

• support

• to support

• supporting

• supported

When materials are heated and then ………………… in a mold, they can be formed into different shapes.

• pressure

• pressured

• pressures

• to pressure

Plastic injection moulding is the most common method of ………………… parts made of plastic.

• producing

• to produce

• produced

• produce