Posted 07 May 2015 - 07:28 PM
Posted 07 May 2015 - 07:40 PM
Posted 07 May 2015 - 07:48 PM
Posted 07 May 2015 - 08:45 PM
For most of the shell-to-shell contact, you will want to use solvent weld (pvc cement, the all purpose stuff (red can)), in conjunction with a solid liquid epoxy. The cement should go only where plastic touches other plastic, and the epoxy should go everywhere else on the bond. JB weld, aroldite or any other epoxy that works well with plastics will be fine. To add structural stability I would add some epoxy putty, or adhere some polycarbonate or metal bolts between the connection. This will do the majority of the structural support. To make the bond smooth and clean, use a dent filler thing called Bondo. This is used in auto restoration and repair to take out dents and such and is easily sanded and smoothed. Be careful to avoid over application of the Bondo, as it will take awhile to sand.
It's like a Hurricane ate a Tornado and shat out a Monsoon!!
Posted 17 May 2015 - 04:31 AM
Okay, but as far as cutting goes, Im probably going to use my ban saw to make the cuts but how can I get the Epoxy or whatever to be flat and smooth?
I believe a common method is to use epoxy putty or some other strong adhesive to provide the bond strength, wait for it to dry/set, then mold modelling clay/plastic over the top to the desired shape. There are some pretty seamless integrations out there using a similar system.
Edited by Astech, 17 May 2015 - 04:32 AM.
Posted 19 May 2015 - 12:47 AM
Alternatively, when using adhesives, I try to cut my two shells so that there are some overlapping or somehow interlocking parts, then use high-temp hot glue on the inside, JB Water-weld on the outside, let cure and sand smooth.
Gut the electronics, drill a hole in the shell, and attach a crank to the gear. Bam, crank-action stampede that doesn't require batteries, or even a trigger.
...(also judging by your past posts, I would consider you pretty dang wise elder like in the modding community )
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