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tigar321

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  5. making a mold

    in Soft Plastics

    Posted

    Vac 50 will work fine for what you are wanting to do. I have used it and have made a few injection molds out of it. 

    I have used a few things for making the boxes to pour into... corrugated plastic (cardboard made of plastic), lexan cut to make the size boxes I need and also legos. The kids are all grown and I had a bunch laying around so with those you can make any size box you need and dont have all the materials for the boxes laying around after your done. Just clean them up a little and put them back into a plastic container. You will want to use some type of release agent on your boxes and the item you are replicating. If not both will be a loss. 

    1. Prepare box to the size you need, hot glue the box to a smooth hard surface (lexan is good)- make sure you have depth for both halves of the mold that you will create. The first one I did I didnt make the two halves of the mold thick enough, dont skimp on material.

    2. Spray release into box, and brush onto bait

    3.  mix your vac 50 (comes in two container) and pour into box

    4. brush vac 50 onto the back of what you are making so that you dont get air bubbles in the mold under the bait

    5. settle the bait into the vac 50 so that you have half of the bait in the vac 50, let cure just a little bit and push something like a dowel into different spots in the vac 50 for making sure the two halves will go together properly

    when the mold is done and let  sit over night.

    6. Clean up top half of bait and whatever you need in the vac 50

    7. Spray the top of the first half and bait with release and pour vac 50 on top. Let sit till cured. 

    You may have a little hassle getting the two halves apart but once you do your good. Just take you time at it, they will come apart.

     

    Good Luck

     

     

  9. A New Way To Screw Up

    in Soft Plastics

    Posted

    The cup that went on me last week was Anchor, no more than two weeks old and I had hardly had time to get it dirty. I think I may have used it twice previous but had not dropped it or given it any reason on my part to have been cracked. Just gave me an eye opener when it went off 13 hours after use, just sitting on the counter. As smallmouth stated it was in about a 3ft radius too 

     

    This subject raises this question for me... who is wearing safety glasses, who is wearing goggles, is anyone using a face shield? Are safety glasses good enough if you do happen to get THE BOMB and maybe plastic in the face?

  11. A New Way To Screw Up

    in Soft Plastics

    Posted

    Your bluntness is pardoned, but the PUN on the COST savings was my eyes and face, and nothing to do with $$. Described earlier in the thread, I had one blow up last weekend and was enlightened right away, and replaced immedaitely. 

    Im sure when you were getting started you jumped right into borosilicate and never used pyrex or dont have any now? We are all here to learning or teach I assume. 

    Being blunt, I would try and read the entire threads before being sarcastic but again maybe you missed it. 

  14. A New Way To Screw Up

    in Soft Plastics

    Posted

    Poured till around midnight this past weekend, left the 1 cup Pyrex sitting on the counter. Came back to the garage the next day (13 hours later) and was working on something else on the other side of the garage. I heard what sounded like someone had dropped a bottle and broke it, and to my surprise it was the Pyrex shattered all over my work area and floor. Man, was I glad that didn't happen while I was open pouring the previous night. By the way the Pyrex new and only used a few times AND I ordered borosilicate cups right away!

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