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How injection plastic molding works (video)

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  • Member since
    January, 2005
  • From: Canberra, Australia
How injection plastic molding works (video)
Posted by aussiemuscle308 on Saturday, October 08, 2016 10:18 PM

Some may have seen this since it's over a year old, but it discusses how injection molding works, and even a model plane gets a mention.

https://www.youtube.com/watch?v=RMjtmsr3CqA

  • Member since
    March, 2004
  • From: Lancashire, UK
Posted by marcusadam on Sunday, October 09, 2016 1:46 AM
Where might one view this video?
  • Member since
    November, 2003
  • From: East Bethel, Mn
Posted by midnightprowler on Sunday, October 09, 2016 7:04 AM

Useless thread without a link.

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  • Member since
    May, 2004
  • From: Charlotte, NC
Posted by ragtop63 on Sunday, October 09, 2016 1:28 PM

Here is a link to a video. Not sure if it is the original or not, but it's pretty good at explaining the process.

 

https://www.youtube.com/watch?v=RMjtmsr3CqA

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  • Member since
    March, 2004
  • From: Lancashire, UK
Posted by marcusadam on Sunday, October 09, 2016 1:47 PM
That's fascinating, always wanted to know how they made Lego. Even wrote to Jim'll fix it to see if I could go to the factory. Obviously glad he never replied...
  • Member since
    August, 2016
Posted by mini man on Sunday, October 09, 2016 2:47 PM

marcusadam
That's fascinating, always wanted to know how they made Lego. Even wrote to Jim'll fix it to see if I could go to the factory. Obviously glad he never replied...
 

Else your ring would have been twitching like a rabbits nose!Whistling

 

Nigel.

 

  • Member since
    January, 2005
  • From: Canberra, Australia
Posted by aussiemuscle308 on Friday, September 21, 2018 2:30 AM
Here's another video on models being made, this one from Italieri https://youtu.be/HidTBIYB-Fg?t=74
  • Member since
    October, 2008
Posted by oldcarguy on Saturday, September 29, 2018 8:22 AM

Many Years Ago , In a Universe a long way away ......................

    I was a color technician for Avecor Plastics of Los Angeles . We did the color production Pellets for Cox Industries . As most know Cox does and did make many flying Model Planes and Slot Cars . Four of us got to tour their plant and see how its done .

  Somewhat archaic compared to today . No Computer Controls back then . Make a run , Mechanically reset to spec , Make another run . The more the parts wore the less nice the product that could be passed was . Many molds in reserve . For the Flying Circus .049 Blow Molded plane parts  , 12 mold sets !

 Much more streamlined today for sure . LEGO has always tried to be ahead of the curve on production Technology . Remember their " Binding Plastic Brick " was made out of an almost Cycolac material !

 Today it's not , But it certainly has the strength and weathering ability ! Styrene is tricky at best . At Avecor we had to do a reset every three days on our mold sets and send the others to tooling for cleaning . Styrene at heat can get soupy fast , so computers to set and control temps were a blessing in disguise ! 

 Does anyone have and idea what a complete line set of machines for one product would cost ? How many Fully Loaded Cadillac Escalades do you want to buy ? You might be able to buy let's say 10 at $ 55,00 bucks each ? Try this . How much is your sixty foot yacht ?

 Yeah , really they ain't cheap and they have to pay for themselves within a year ! The Molds now , are another story .  $ 500.000.00 a pop ! Per Set ! See it adds up fast .  Sorry for the windy diatribe . O.C.G.

gjgeracci

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