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Control Panel Thickness - Top Mount U360's
Franco B:
Ive had no problems drilling it with a forstner bit + a drill press. It may be either or a combination of both that's giving me good results.
I'll try a forstner bit in my hand drill later and let you know how that goes.
At what point does the acrylic crack? If its near the start of the cut it may be due to the tapered lead of the spade bit pushing the acrylic apart rather than cutting before the spade starts cutting. Maybe try drilling a pilot hole the same size as the widest part of the tapered lead before running the spade bit down.
If it crack near the middle or end I guess the problem would be that the drill is not cutting at 90 degrees to the material (assuming you are not using a drill press). If you don't have the drill perfectly straight the bit will cut through the material at an angle and will break though on one edge rather than all at the same time. When this happens the bit can have a tendency to grab and then will crack the acrylic.
I would advise investing in a forstner bit and trying that. If you don't have or don't want to buy a drill press you can get a drill stand like [this]. Obviously you will be limited by the throat depth.
The other solution would be to drill your MDF CP first, line up your acrylic and mark the center of the holes. Drill through the acrylic with a drill big enough to get a flush trim bit in (10-18mm depending on what size bit you use) and then use the router bit to interpolate the holes.
Bender:
--- Quote from: Franco B on March 13, 2009, 04:37:16 am ---I just mounted my JLF in a 12mm (1/2") panel. I recessed the top ~3mm deep for the mounting plate and screws. That leaves 9mm which should be plenty.
Im going to use 5/8" t molding. 12mm MDF and 3mm acyrlic will equal 15mm which will leave a 0.4mm t-moulding overhang.
I just finished that mounting guide btw cmoses. Its [here] if you are interested.
--- End quote ---
Damn thats one fine looking joystick,
I bet it lights up in many pretty colors too!!!!!! ;)
I Wants me one
cmoses:
--- Quote from: javeryh on March 12, 2009, 08:17:10 pm ---1/2" should be plenty. More importantly, where are you finding 5/8" MDF????
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I picked up the 5/8" MDF at the local Home Depot. They only sell it in 4' x 8' sheets. I found a piece that was messed up on one edge and talked to a manager. He sold it to me for half price and I had them cut it down into 2' sections. I will use the messed up piece to do all my testing (first time using a router).
javeryh:
--- Quote from: Bender on March 12, 2009, 10:59:27 pm ---
I get locally from a place that specializes in plywood, they got 1/8", 1/4", 3/8", 1/2", 5/8", 3/4", 1", 1 1/4"
Maine coast lumber
Years ago I used to get from the lumberyard behind the Morris county Mall (seriously)
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Wow really? I've looked all over for 5/8" MDF and no one seems to carry it around here. The best response I got was that I'd have to order a palette! I haven't checked that lumberyard though (it's still there). I might have to stop by one of these days after seeing my parents...
btp2k2:
Yeah, I've never seen 5/8 MDF at a Home Depot or Lowes...they just carry 1/2 or 3/4.
I've found one guy in the Seattle area that carries 5/8, but he is way too far to consider a trip in the gas sucking truck.
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