Cutting T-slot extrusion to length for a machine frame

Metal & Extrusion
Welding & Fabrication
Cut Lists

A machine frame squares up only if every rail in a set matches, and T-slot is unforgiving because the fasteners give you nothing to pull the frame back into. The M1 Caliber reads the extrusion as it slides against the fence and compensates for blade width, so length is set at the saw instead of transferred from a tape and a mark. Each figure is captured on the display, which is where the cut list for the next rail comes from.

How the rail length gets set

M1 Caliber measures T-slot as it slides
Measure and cut in one step, no marking pass
Blade width comes out of the number
The M1 reads at the fence, not from a tape
Matched rails so the frame squares up

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A length of T-slot aluminium extrusion is fed along the bed of a cold saw with the M1 Caliber mounted on the fence. The extrusion is clamped in the vise and the reading is set on the display before the head comes down. There is no separate marking pass and no tape laid along the profile between cuts.