Tormach 1100® Aluminum Fixture Tooling Plate
34" x 11.95" x 0.95" Hardcoat Anodized 7075 Aluminum Fixture & Tooling Plate for Tormach PCNC 1100. Plate is compatible with all Tormach 1100 machines (including Series1/2/3, 1100M and 1100MX)
Holes are 1.25" on center. Every hole is tapped 1/2x13 and reamed for 0.500" pin.
Includes low profile screws and t-nuts to mount fixture plate to machine table.
Recommend Torque Specs for 1/2x13 Fasteners into Aluminum: 45 ft-lb or 61 N-m. DO NOT exceed 50 ft-lb or 68 N-m.
Recommend Torque Specs for 1/2x13 Fasteners into Steel (e.g. t-nuts): Up to 80 ft-lb or 108 N-m. 50 ft-lb (68 N-m) is sufficient to secure the fixture plate to the table (this is for the low-profile socket head cap screws that thread into T-nuts)
A comment on the design: Having each hole as a combination bore and thread results in less potential thread engagement. An engineering “rule of thumb” is 1X diameter for steel, 2X for aluminum. The SMW plates fall short of that. We know that – and in our testing, it has not a problem. We roll form each aluminum thread and we test the results. We are constantly tweaking and improving the design and manufacturing process. Using a fastener that only engages a few threads could result in premature failure – a scenario exists with any threaded fastener.
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