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Injection Molding: New Twists for a Mainstream Technology

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Ann R. Thryft
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Re: An interesting post, but nothing new.
Ann R. Thryft   4/10/2014 2:38:45 PM
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William, I agree about more gradual change in this technology. And it seems to have been aided by better and more sophisticated design software.

Ann R. Thryft
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Re: Material Selection
Ann R. Thryft   3/4/2014 1:34:45 PM
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Greg, that's a really good point about materials. Since they keep changing, so does the spec process, hence the design process.

Austin Clarke
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Re: Prototyping as well as production
Austin Clarke   3/4/2014 4:31:18 AM
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Action Mold is the leader among plastic injection molding companies. With the ability to design and build high-tolerance tooling for resins that create quality components, clients continue to return time and again

William K.
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Re: An interesting post, but nothing new.
William K.   1/20/2014 8:29:41 PM
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Most of the changes in injection molding have been improvements rather than revolutionary changes. Control of all of the parameters has been improving, materials are improving, and, of course new materials are being created. What has been improving a lot is understanding of the process, and the use of some quite good analysis and modeling programs to improve production quality and speed. So it has been getting better but aside from the appearance of completely electric machines that don't use hydraulics it has been steady improvements instead of a revolution. Of course some equipment makers will want to argue that point.

Cabe Atwell
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Re: An interesting post, but nothing new.
Cabe Atwell   1/20/2014 5:32:51 PM
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It's amazing to think that the injection molding process hasn't changed much in over a century.

William K.
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An interesting post, but nothing new.
William K.   12/9/2013 4:24:02 PM
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I did find thai post interesting, but it really didn't tell me anything new, except for mentioning that website. What is important in the selection of a molding material is finding a trustworthy supplier that has both the range of products needed and the expertise to suggest the correct one. 

This is one of those cases where a supplier can certainly add a bit of value in the form of assistance and then hopefully be rewarded with a purchase order. Purchasing departments need to keep that in mind.

Greg M. Jung
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Material Selection
Greg M. Jung   12/6/2013 10:10:24 PM
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Experience is also key when selecting the type of plastic to be used.  In addition to the many selection factors listed in the article, there are also unique features of each polymer group that need to be carefully considered.  For example, Nylons can be hygroscopic (take up and retain moisture), while Polycarbonates should avoid exposure to excessive radial stress.  Its a smart move to also find a plastics expert and leverage off their years of experience as much as possible.

Ann R. Thryft
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Prototyping as well as production
Ann R. Thryft   12/6/2013 11:30:40 AM
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Thanks for this overview of injection molding, a broadly capable set of technologies the  the modern world can't do without. I was especially interested to find out how much it's used in the earlier design stages for prototyping, as well as for final production.



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