Plastics Processing Methods -

An easy guide

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The right process for the job - reducing costs by the right choice!

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1. Thermoplastics Processing Methods

2. Polymers and Processing Methods

3. Thermosetting Processing Methods

4. Features and Processing Methods

Features and Processing Methods

Process

Extrusion

Injection Moulding

Blow Moulding

Rotational Moulding

Thermo-forming

Feature

Equipment Cost

High

High

High

Moderate

Moderate

Tooling Cost

Moderate

High

Moderate

Low

Low

Cycle Time

Continuous

<1 min

<1 min

>3 min

1-3 min

Economic Quantity

>5Km

>10K

>10K

100 - 10K

100 - 10K

Precision

Good

Good

Moderate

Moderate

Low

Wall Thickness Control

Yes

Yes

No

No

No

Open-ended Hollows

No

Yes

Yes

Yes

Yes

Enclosed Hollows

No

No

Yes

Yes

No

Very Small Items

No

Yes

No

No

No

Complicated / Intricate Shapes

Yes

Yes

Yes

No

No

Large Enclosed Volumes

No

No

Yes

Yes

No

Inserts

No

Yes

No

Yes

No

Moulded-in Holes

No

Yes

No

No

No

Threads

No

Yes

Yes

No

No

If in doubt contact a please contact Tangram Technology for further information.

 

Last edited: 11/03/10

Tangram Technology Ltd. 1998

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