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Updated - Mold Making Casting Complex Parts w/ parting line)

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Uploaded by on Jul 28, 2009

When mass casting a part without a flat side, you must create a two-part mold. We create a two-part silicone rubber mold with a clean parting line and then cast the part with Repro.

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Uploader Comments (freemanmfg)

  • It would depend if your mold configuration had greater draft.

  • Please contact out technical department at 800-321-8511 for additional assistance on your specific application. It is difficult to determine the type of mold needed without additional information.

  • Depending on the type of plastic you are using, you can do either or. Our

    Freeman Color Tint can be used to die both Urethanes and Epoxies. The

    Fast Cast Urethanes, Rigid Polyurethanes Elastomers, and Epoxies can

    also be painted.

  • @freemanmfg what about casting 1/24 scale model kits that dont have a bottom on the body and the windows are open holes, are there any videos for something like that?

  • @bigbadbronco86 We, unfortunately, do not have that specific type of video available at this time.

  • Our Bluestar PT Accelerator can be added to addition cure silicone rubbers as a third component to reduce the demold time.

Top Comments

  • This doesn't really show a complex parting line. Aside from the lower half of the wheels, the part has a flat surface. The lower half of the wheels were machined into the board using a bridgeport milling machine. Got one of those in your basement? Let's see them do a horse!

  • What type of material is the car being used to create the mold...

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All Comments (36)

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  • wouldnt be easier to do half the car,then the other half ?

  • @kentsmedblom Hi, I have the silicone casting vedio for your reference. add my skype: vickylyr or MSN: lamvicky@live.cn 

  • I am very interested in casting my own miniatures, I see one major problem, a lot of the stuff I sculpt is complex, & as such I dont think a 2 part mould could be used to cast them correctly, I am wondering is there any other way to cast extremely complex miniatures in a 2 part mould without chopping them apart? I was thinking making small gates between parts, yes there would be more clean up but I could make many casts of the same model easily. Id just like your thoughts seeing as you are pros!

  • I was also wondering how to cast a 1:43 model cars..guess I need to find it out myself..

  • @bigbadbronco86 This hurts my brain trying to figure this out, I had the same question.

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