For others who havent bought a new undrilled cabinet, this is how i do it:
Mount head on cabinet.
Center it and make it flush with the backside.
Make a small centerline for reference if you want.
Mount the DMD channel.
Check it with the DMD for fit and location. You want the panel vertically plumb. Check that the translite fits and all is good.
Bolt it together with the head bolts
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Add the safety draw clip:
The hook part can just be flush with the bottom edge.
Align the bottom latch with the latch opened and hooked, latch handle opened to about 90 degrees or a bit less. Screw it all down with regular playfield screws.
It doesnt have to actuate super tight.
Too tight and it just rips out the upper screws. If it ends up springy but slightly firm its good enough.
Its a safety latch.
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Mount the hinges with the screws and plates firmly.
Mark the center of the square with a center/transfer punch:
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Next pull it all apart and lay the lower cabinet on its side.
Use a drywall square to mark your hole locations for the playfield.
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Once you are certain of your location, use a punch and make good solid punches to keep the bit centered.
drill the holes.
1/2" for the head hinge inserts.
3/8" for the playfield pivots.
Use forstner bits.
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Its important that the holes are straight. I use a cheap drill guide i bought from harbor freight.
A key thing to mention:
The drill bit cuts pretty slow.
It won't run away from you like an auger bit.
In fact you can press on it pretty hard and it will be ok.
Just keep checking that you dont drill thru all the way.
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I dont drill all the way through, just untill the bit shows on the oposite side:
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Then drill from the inside to finish the hole, you dont need the drill guide for this:
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When done you will have holes comparable to the CNC ones:
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Install the hinge inserts from the "inside" with a 1/4" allen wrench, widen the holes if necessary by running the drill bit around a little.
Install the pivots, crush in the carriage bolts with a nut and washer.
Drilling the 4 holes in the head is pretty much the same.
Really its not dificult at all.
If you take your time, everything will fit good enough to continue the build:
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Now that the playfield is rough fitted,
I can address warps, inconsistencies and whatnot, With reverse bends or shims etc.