Ok that s the safety speech.
Melt plastic together lighter.
Then fire the clay mold in an oven to harden it.
I m not sure what you re asking but many plastics will melt together if they re heated while being pressed together.
The melting temp of most thin plastics is too low to use an actual flame but you could heat something metal like a rod or wire of some kind i guess then press that to the two layers of plastic you d need to hold the metal with a potholder or something to keep it from.
Place the two halves together leaving a hole in the top where the plastic will be poured.
Can i melt plastic pieces with a lighter.
Go over the entire piece of plastic with sweeping motions.
How to melt plastic bottles for molding.
The zippo is a name synonymous with the term non disposable lighter.
Things that might help with a projec.
This will melt the whole piece of plastic as evenly as possible.
Melt the plastic gradually.
Be patient and do not try to blast the plastic with a lot of direct heat really quickly.
On the other side of the spectrum there s zippo the lighter of that cool fringe kid in high school.
The real issue with heat is that i am binding cardboard so you can imagine anything hot enough to melt plastic may not be great for the cardboard oneida books 2013 04 12 17 36 00 utc 7 not a flat iron a k a hair straightener such as my wife uses which would only have the heat in the middle with protection on the outside.
Instead take some time to melt the plastic so that it doesn t get overheated and burn.
Showing how i fix plastic with an old soldering gun.
A small bit of plastic a short segment of 3d printing filament for example is spun at a high rpm and pressed against the intended joint between two separate plastic pieces.
Sometimes this works and sometimes it doesn t but it s worth a try.
First heat up the larger piece s surface with the lighter to achieve a slightly moldable surface.
Plastic components of circular cross section are rotated one part in contact with the other until sufficient heat is generated by friction to cause a melt at the interface which solidifies under pressure when rotation is stopped to weld the articles together.
Select the pieces you want to connect together.
It is usually easier to bond the smaller of the two to the larger.
I m building an audi r8 plastic model and for the drivetrain i have to melt a piece to 2 other pieces which i m guessing are to allow the wheels to turn but how do i melt them.
The friction melts the plastic of the two pieces being joined as well as the plastic that is spinning which.
Friction welding is another way of joining plastic together.
And also i have paint on the pieces is that ok.
Use the lighter only for short periods and let it cool down completely to avoid burning your thumb.