7' X 4' Combi

[JAZZCNC]

Hi Jazz did you make your slots, if so how or did you buy the plate somwhere if so where.

Like Jon says used 1.5" x 5/8" (38x16mm) Ali strips with 10mm gaps giving 45mm centres between slots. The slots where cleaned up with 10mm cutter taking the difference away leaving 45mm centres and ensuring parallelism to Axis. (See pics)
Regards drilling and counter bores etc then I clamped the strips in place and the machine drilled and counter bored them in situ. I just tapped the Holes with spiral tap in Hand drill.
My bed frame is 50mm box with braces every 16" which the strips fasten too. The gap between top and bottom of box means no machining or tapping and the T nuts just clamp to under side of strips.
If coolant is need then it's easy enough to make it sealed tray by fastening Ali or galv sheet on underside.

I looked at all ways and at the time this was the cheapest way I could found.

Personally I wouldn't use 10mm has I can flex 16mm at times when clamping hard.