Plastic Injection Mould Company
Plastic Injection Mould Company
8135 W. Sunset Boulevard
Los Angeles, CA 90001
8135 W. Sunset Boulevard
Los Angeles, CA 90001
Plastic Injection Mould Company- a leader among mould makers.
We are developing a range of chairs with plastic shells (used with a variety of bases) for an international furniture brand. I am interested to hear from reps and engineers with suggestions of innovative advanced polymers. This will be a high quality modern range that will sell into top commercial fit-outs.
Plastic Injection Mould company is a leader among mould makers. Our main focus is creating the highest quality products. Plastic Injection Mould company is an america injection mould company. Our company concentrates on mould design and mould manufacture. The main products are Plastic Injection Mould, Injection Moulding and Custom Plastic Moulds.
We are in the middle of an IML project and have found that the supplier of the "injection moulding" is as critical, if not more, than the tooling/moulding source. Our supplier had suggested a higher cost, longer lead time Japanese supplier for the custom moulds - however time pressures pushed us to a faster Korean supplier - the end result, we are now 2 months behind in production and having to retool at the first injection moulding supplier.
I entered the phenolic business in 1973, just a little before Union Carbide decided to exit the phenolic business. I spent 7 years with Valite Industrial Resins and 10 years with Durez, both chinese mould manufacturers, doing technical service and compound development.
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.
You make some great points, and well articulated. It's true, simple rules of thumb will never address the host of possible design solutions, and cost is always an issue (hence my disclaimer "although it may not be the cheapest"). But if you take the question at face value "how do I make . . . more rigid", the answers are pretty simple. 1) use a stiffer material. 2) add some ribs. 3) make it thicker.
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 mould 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.
Keywords: plastic injection mould, custom plastic moulding, plastic parts
We are developing a range of chairs with plastic shells (used with a variety of bases) for an international furniture brand. I am interested to hear from reps and engineers with suggestions of innovative advanced polymers. This will be a high quality modern range that will sell into top commercial fit-outs.
Plastic Injection Mould company is a leader among mould makers. Our main focus is creating the highest quality products. Plastic Injection Mould company is an america injection mould company. Our company concentrates on mould design and mould manufacture. The main products are Plastic Injection Mould, Injection Moulding and Custom Plastic Moulds.
We are in the middle of an IML project and have found that the supplier of the "injection moulding" is as critical, if not more, than the tooling/moulding source. Our supplier had suggested a higher cost, longer lead time Japanese supplier for the custom moulds - however time pressures pushed us to a faster Korean supplier - the end result, we are now 2 months behind in production and having to retool at the first injection moulding supplier.
I entered the phenolic business in 1973, just a little before Union Carbide decided to exit the phenolic business. I spent 7 years with Valite Industrial Resins and 10 years with Durez, both chinese mould manufacturers, doing technical service and compound development.
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.
You make some great points, and well articulated. It's true, simple rules of thumb will never address the host of possible design solutions, and cost is always an issue (hence my disclaimer "although it may not be the cheapest"). But if you take the question at face value "how do I make . . . more rigid", the answers are pretty simple. 1) use a stiffer material. 2) add some ribs. 3) make it thicker.
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 mould 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.
Keywords: plastic injection mould, custom plastic moulding, plastic parts
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