Plastic Moulding Company

Plastic Moulding Company

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Plastic Moulding Company
Plastic Moulding Company
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The supply chain function of plastics (raw materials) and (finished products) never seems to be addressed. It is a very important industrial sector, especially with fuel prices increasing, driver shortages resulting from CSA compliance, modal congestion, recycled commodity market growth, and improving economic conditions.

Plastic Moulding company is a leader among mould makers. Our main focus is creating the highest quality products. Plastic Moulding company is a china injection mould company. Our company concentrates on mould design and mould manufacture. The main products are Plastic Injection Mould, Injection Moulding and Custom Moulds.

If the part is correctly designed, then most of the problems will be minor and just involve tweaking of tooling.
The finished look is beyond any other decoration from what I have seen though. Thanks again for all the comments and feel free to add any other experiences.

I suggest Compression moulding with sheet moulding compound (SMC). We supply seats to the Jetski industry where they neeed high strength, impact resistence, light weight, modulus and thin cross sections. Are SMC fiberglass have these properties :
Flex Strength > 85,000 psi Flex Modulus > 3.0 x 10 to the 6 psi Tensile Strength > 50,000 psi Tensile Modulus > 3.8 x 10 to the 6 psi Impact, notched > 33 Compression strength > 42,000 PSI

Moulding with harden steel match dies, good repeatability and fast cycle time. The SMC is also cost effective.

Most moulding machines have both suck back and sprue break. These features combined with slowing adjusting your nozzle temperature down usually prevents stringing. Never let your mould close on the string. Over time this will damage the edges of your cavity.

Although these types of COP typically do not need drying, for optical applications a low temperature -20~-40 dew point air can be circulated to eliminate surface moisture prior to processing. It would be helpful to have information on what exactly you are running in the injection mould making and process. COP's have a higher specific heat and generally compared to PC or PMMA would require a longer cooling time (30%). It depends on what your moulding to determine if lowering temperatures, etc are acceptable. In my application we needed low stress flat parts that were 0.55mm thick and 120mm in length. However, we also had to mould grooves of 1000nm at .072mm track pitch. basically, lowering temps at the nozzle is simple, but I could not maintain groove replication. So the troubleshooting tips should be geared towards your application otherwise its a lot of good posts from an enormous amount of experience.

Can any body help me about how bakelite is manufactured ? This seems like the sort of question asked by a young student who has not yet studied polymer chemistry and therefore might not understand the language used to describe Bakelite and its manufacture, if it was Googled on the Internet. Those of us who can provide answers will want to share our knowledge and we have provided some useful information. The only thing that I would add is that unlike many thermosetting plastics, which can be moulded at low pressure, phenol formaldehyde polymerises by undergoing a condensation reaction, which in this case is dehydration or the release of water. If high pressures are not used for moulding the water will form bubbles.

Services
Mould Making and CAD design
Service areas
Los Angeles
Address
8105 W. Sunset Boulevard
90001 Los Angeles
United States
www.injectionmoulding.org

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