Verical placement of 2 m ESCALON, the vertical axis of the machine has only 1000 mm stroke
2.7 m long ESCALON Ball Beam on an 11 m x 2 m x 1 m CMM , in the 11 m long axis four stitched positions were meaasured
Note that the precision of shifting plays no first order role for the results.
2 Photographs below: Courtesy Bombardier Germany
2 m ESCALON on 3 m CMM requires stitching/overlapping in spacediagonals
Mounting a 2 m ESCALON in vertical position
The following photographs show precision-joint ESCALON bars
Courtesy: Zeiss Mexico
The joint is usually made of a ceramic ball and a ceramic ring, both precision-lapped to each other. Strong magnets hold the two bars together with a constant force
The precision joint repeats to about 0.0005 mm.
The length across the joint is calibrated.
2.1 m beam with precision joint in middle, on mounting tube and with column fixtures of carbon fibre
The bar can be rotated in holder; this facilitates measurement with offset probe stylus according to ISOO10360-2
The columns and pivot heads allow the placement in virtually any desired measurement line in the CMM volume