Now, while the process of injection molding is used to produce a huge number of parts, these molds can be made into several ways. There can be ones with a single cavity and then there can be those having different separate cavities. These cavities could be identical to each other or they could be of different shapes each depending on what is expected of the injection mold, or more likely, what the injection mold has been made to produce.
Mostly, injection molding machines are made of tools steel, but in some cases, aluminum or stainless steel are also put to use. These aluminum molds are intolerant of huge volumes or sometimes even parts that have a narrow tolerance of dimension. This might be because of their inferior or lower mechanical properties due to which they are more prone to wear. They are easily damaged and they also tend to get deformed during the process of clamping and injection cycles.
But when it comes to production of materials in low volume, they can prove to be very cost effective. This is because the time required to fabricate the mold is reduced greatly and so is the cost of the fabrication.
When it comes to the steel injection molding machines, they happen to be sturdier and can be responsible for the production of well over a million parts. Of course, along with the services they provide, the cost of production is also added to the list which could extend to hundreds or even thousands of dollars.
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