Thread: Small Alu plates needed
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05-06-2012 #1
I'm needing 6 of the attached plate machined for some prototypes.
They're a 35mm square, with a flat sided circle in the center for locating a connector, and four 5mm bolt holes.
Plate thickness isn't critical but something in the region of 1 to 3mm is needed (round 2mm is probably best), and provided the bolt hole positions are marked, I can drill them myself.
The main bit I need done is the connector mounting hole.I
've drawn it with perfect internal corners, but for machining, it can be undercut into the circle by upto a mm (anymore and the sealing o-ring won't be effective), as I'd like the straight edge to remain untouched (it helps with stopping the connector from spinning).
The connectors are Bulgin PX0412 series, and I can supply a connector if needed to check fit.
Attachment 6106
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05-06-2012 #2
Will Check what plate I have and will knock you some up tommorow.
Think I have some 3mm Alu plate.? Does it need to be Alu If it's for proto's because think I have some thin HDPE has well.?
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05-06-2012 #3
Now you mention it, it doesn't have to be Alu, it's just that's what I made the main housing from.
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05-06-2012 #4
Can the corner were the circle meets the flat have a slight radius.? Say If I use a 1mm tool to clean up will leave 0.5mm radius is that ok.?
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06-06-2012 #5
0.5mm radius should be fine. If needed I'll just buff the corners of the connectors.
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06-06-2012 #6
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06-06-2012 #7
Ok Done but only had 3mm ALU, HDPE was 4mm. Couldn't use 1mm bit not enough flute length so nearist I had was 1.5mm but don't think it will be problem see pics.
If you need corner sharper than this then a quick rub with a sharp file will sort it.!
Don't worrie those holes are only 5mm they look massive in pics.!!
PM me your Adddress and I'll stick them in post.
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