L2-CU6 LATIHAN 2

What is the function of a core puller?

• A tool to pull out products with threads.

• A tool to push out products with threads.

• A heating tool to extract products with threads.

• A holding tool to extract products with threads.

Where is the ejector located?

• Injection section.

• Hydraulic oil section.

• Fixed mold section (core side).

• Moving mold section.

Name the components below.

Where is water channeled among the following?

• Heat exchanger

• Control panel

• Feed throat

• I, II and III

• Mold

What is the condition of the nozzle before the mold is lowered?

• Brought forward and touching the mold.

• Brought back and touching the mold.

• Brought forward and not touching the mold.

• Brought back and not touching the mold.

State the purpose of water in the plastic injection process?

• To melt the product.

• To cool the product.

• To mix with resin.

• To cool the clamping section.

Why should the water channel be colored?

• To make the channel look nice.

• To prevent the channel from breaking.

• To make the channel stronger.

• To make it easy to identify.

What is the purpose of the ejector system?

Why should the cooling channel be closed when removing the hose?

State two (2) cooling channels in the cooling channel.