 | | Re: Monorail track molds? Factory visits? —Jim Schifeling
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| | | You might be right if the molds are rigid. It could be done in 2 parts if the mold is flexible like vulcanized rubber or silicon (or low-tech like Knox gelatin and anitfreeze, or even hot glue). They were injected from the center top, you can see (...) (23 years ago, 18-Jan-02, to lugnet.dear-lego)
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| | | | | Re: Monorail track molds? Factory visits? —Frank Filz
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| | | | (...) TLC's molds are machined metal (there are pictures in some of the books and examples at Legoland. The track is also "honeycombed" on the bottom. Frank (23 years ago, 19-Jan-02, to lugnet.general)
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| | | | | | Re: Monorail track molds? Factory visits? —Jim Schifeling
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| | | | Proof positive that I don't know everything. Frank, in your opinion would you say the "honeycomb" is an inherent part of the molding processing or a way to save on material? Retaining the strength of the unit while using far less ABS? What about (...) (23 years ago, 19-Jan-02, to lugnet.general)
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| | | | | | Re: Monorail track molds? Factory visits? —Frank Filz
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| | | | (...) Material and weight savings while retaining strength. (...) I believe baseplates are vacuum formed. Vacuum forming is usually a one piece mold and the item must be able to "fall" out. There is another molding process which I guess is vaccuum (...) (23 years ago, 19-Jan-02, to lugnet.general)
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