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Plastic Injection Molded Parts Vs Die Casting Parts
Jul 12, 2018



Injection Mold

 

Plastic injection molding and  die casting are the most 2 popular methods for producing components. They are good for mass production but also for low volume manufacturing. They are similar but different.

 

Plastic Injection Mold Parts

 

Advantages:

 

1.       The melting temperature of plastic part is lower than aluminum parts.

2.       In same design, product in plastic is lighter than in aluminum.

 

Disadvantages:

 

1.       Plastic injection molded parts usually require metal inserts to hold a thread for screws.

2.       Plastic does not block EMI/RF waves.

3.       Compare to aluminum part, plastic part is not strong enough.

4.       Plastic is not typically biodegradable.

 

Aluminum Parts

 

Advantages:

 

1.       Part can be threaded directly on hole.

2.       Can apply post machining to obtain high precision dimension.

3.       Aluminum casting part has great thermal transference properties.

4.       Aluminum is a natural conductor of electricity.

5.       All aluminum alloys (360, 380, 383, and 413) are made from recycled materials.

6.       Comparing to plastic parts, aluminum parts are stronger/

7.       Aluminum naturally shieds EMI/RF waves.

 

Disadvantages

 

1.       In the same design, product in aluminum weighs heavier than plastic.

2.       Aluminum parts usually needed post machining and post finishing.

 

Do you need Injection Molding Service and  die casting service from China? JOINTUS TECH offers excellent quality injection molded parts and die casting parts at lower cost and shorter lead-time. No matter 50 or 100,000+ parts, we can offer a best and one-stop service. Don't hesitate to contact our team at sheilaz@jt-precision.com and get a free quote!

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    Add: Jinsha Road, Shajiao Village, Shipai Town, Dongguan, Guangdong, China
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    Fax: +86-769-83792567
    E-mail: sheilaz@jt-precision.com

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