50. MRH14-04-Apr2014 - page 225

cost of Plexiglass. 1/2”Gatorfoamwas already runningaround
theperimeter of theextension.
Figure1 shows a1/2” x2-3/8” x3-1/2”panelmockup.
Pushbuttonson thispanel aremounted to just the veneer,with
thebacksideveneer andfiller removed.
Figure2 shows recessedbuttons, useful intight aisles, by just
turning thepanel over.
Toaccomplish this, I useda1"hole saw (2) toallow control of
drilling. Itwill not ‘walk’ likea spadebit. Theadditional upside
is themandrel’spilot bit (3) is 15/64”. I realized inworkingwith
myPlexiglasspanels that the threadson thepushbuttons Iwas
using fromAll Electronics (
)
item#MPB-1B)
wouldfit througha1/4”hole, but I couldnot finda tap in
either SAEormetric thatmatched the threads. The veneer of
2
2. Gatorfoamwith recessedbuttons.
1...,215,216,217,218,219,220,221,222,223,224 226,227,228,229,230,231,232,233,234,235,...301
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