billwv68 Posted October 17, 2007 Report Share Posted October 17, 2007 I was searching this site for ways to make an injector machine when I came across this address: www.nhsouth.com/crafts/workbench/injector.htm I would like to know if anyone has tried this or any other relatively simple injector machine:drool: . I can see maybe using a lee pot and possibly developing a piston to push the plastic into molds through the pouring spot. The website gave me the idea. I would like to know if anyone out there has developed an injection machine. Quote Link to comment Share on other sites More sharing options...
ominousone Posted October 17, 2007 Report Share Posted October 17, 2007 wow, what a revolution it would be if the normal pourer could afford an injection machine Quote Link to comment Share on other sites More sharing options...
Richard Prager Posted October 17, 2007 Report Share Posted October 17, 2007 I believe this TU member makes them http://www.predatorbassbaits.com/id43.htm Quote Link to comment Share on other sites More sharing options...
saint308 Posted October 17, 2007 Report Share Posted October 17, 2007 You have got to be pouring huge volume for it to be worth your while. Even if a normal hand pourer could afford the machine. To get the number of molds needed would be hella expensive. Saint. Quote Link to comment Share on other sites More sharing options...
LedHed Posted October 17, 2007 Report Share Posted October 17, 2007 billwv68 Interesting link. Did you email the guy for a price? The problem with retro fitting the lee pot is there isn't a cut off valve on the spout. If the unit is cheap enough you would probably be better off buying it then try to do it yourself. The temp control, scr's, and heating element could really run up the costs. Then you would have to get the rest of the materials and assemble them. The piston sounds a little more feasable as opposed to using a pressure blanket (predatorbassbaits injector). You aren't injecting cool air to move the plastic. Not sure how you would stir the plastic for salt or glitter..... Quote Link to comment Share on other sites More sharing options...
tubinator Posted October 17, 2007 Report Share Posted October 17, 2007 I have to disagree with everyone about the cost and benefits of an injection machine and here's why. If you look at all the injection machines out there in the retail market, they all come with huge melting chambers, heating sources,this gauge and that, dehumidifiers, all stuff for really really big production. For the average guy that wants to do small amounts there is nothing available. And what does the average soft plastic guy need? Small melting chambers, but as many as he can get his hands on. So why not build a chamber out of steel pipe weld a cap on the bottom end to seal the bottom,drill and tap a hole a little ways up the pipe for your outlet (pouring spout) They do make spring loaded-pressure spouts for wax injection machines. Then at the top of the pipe weld on a flange. Ok, now this chamber is portable and can be set on a hot plate to heat it up. Now for the lid, 1/4 in steel sheet with holes drilled in to accept the bolts that come up through the flange, in the center of the plate you drill and tap a hole to accept a 1/4" pipe which is attached to your pressure regulator, pressure release valve and quick disconnect to the air compressor. Very easy to do, a high temp. silicone gasket between the lid and heating chamber and you off and running. A guy could build one lid and as many "heating chambers" as he wanted, or could fit on his heating plates. Now fine detail ie. thin tails, legs, that sort of thing are possible for the average soft plastic lure guy. As far as molds go, rtv mold material is available in 5-gallon buckets also. 1 pound might cost $35-40, but 5-gallon buckets can be purchased for under $300, and thats alot of molds. Quote Link to comment Share on other sites More sharing options...
billwv68 Posted October 18, 2007 Author Report Share Posted October 18, 2007 I just trying to develop an injector for small amounts of plasitic. I pour baits for my personal use. I have used the injector from LC and have been burnt on many occasions. Needless to say, I really don't care for the burning part. I am looking to build something simple as the injector but in a more stable and pain free atmosphere. I use the lee pot now to pour lead heads and as of yet have not purchased the plastic pot. I have read on this forum the spout of the lee pot clogs just like the LC injector. I'm basically looking to build an oversize syringe using the pot as the container and developing a piston to push the plastic into the mold. I noticed one person asked about the mixing of salt and coloring. I plan mixing the salt and coloring the old fashion way, using a microwave and a pyrex cup then pouring it into the lee pot which would keep it warm then using the lee pot as the syringe with a piston to push the plastic into the mold. I guess one could have small ridges on the piston and have some way to rotate the rod and piston such as the old fashion egg beater. This is just a simple plan. Quote Link to comment Share on other sites More sharing options...
