A few Acrylic questions.
I plan to use the TS to cut my Acrylic. Can/should I use a plane to clean up
the edges for gluing? Any better suggestions? BTW, The only plane I have was
last used as a boat anchor on the QEII.
What sort of clamping for butt joints? Plain ol' corner clamp?
I seem to have read that respirators are useless for Methyl Chloride?
How does one store Methyl Chloride? The guy at the plastics shop said that
the can wouldn't last a week once I broke the seal. Would some Teflon tape
on the threads extend this any?
No. Get a Dreadnought file instead - a rasp with wide, curved teeth.
Commonly used for working car body filler. For a really smooth
finish, go to a coarse metalworking file, then a fine file, then
silicon carbide paper, then polishing compound.
I rarely clamp, except with my fingers. You should get a reasonably
fast tack for solvent welding. Normal clamping won't hurt though.
It's hardly Arsine. Just don't sniff the stuff - unless you're one of
those delicate Californian flowers who probably think it's instant
death. Maybe Arnie is afraid of solvent damage to his cogwheels ?
Use sensible ventilation and yes, you can get respirator filters for
it. You're only solvent welding, so you don't need much. Paint
stripping will give you far more exposure.
Mine's in a big glass bottle with a plastic anti-breakage wrapper -
normal lab reagent bottle.
Evaporation will tend to do that. Dichlor is a bit infamous for this.
Not unless you re-thread the can with a tapered thread. Just try some
3M Magic Tape over the outside of the screwcap.
One thing to be aware of is that unlike some materials, cutting faster
is usually better than cutting slower with plexi. If you cut too slow,
the heat builds up, the plastic starts to melt onto the blade, and then
you've got a real mess.
It's been a long time since I worked with plexi, but when I did, what we
used to do was have an air hose blowing on the blade to get better
cooling. It probably wasn't necessary, but it didn't hurt either :-)
An easy way to finish the edge of plexi is with a torch. Use an open flame
near the edge but not too close and it polishes and seals the edge to a
finished state. We once had to make over 100 little plexi shelves. We were
sanding for hours when someone showed us this trick.
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