Document ID: chunk:federal_register_of_legislation:F2024L01024:front:0:p100
Version: federal_register_of_legislation:F2024L01024
Segment Type: other
Provision Reference: 
Character Range: 283488–286240

axes shall be made according to test procedures in 5.3.2. of ISO 230-2:2014. Tests for axes longer than 2 meters shall be made over 2 m segments. Axes longer than 4 m require multiple tests (e.g., two tests for axes longer than 4 m and up to 8 m, three tests for axes longer than 8 m and up to 12 m), each over 2 m segments and distributed in equal intervals over the axis length. Test segments are equally spaced along the full axis length, with any excess length equally divided at the beginning, in between, and at the end of the test segments. The smallest "unidirectional positioning repeatability"-value of all test segments is to be reported.
8. Removed from DSGL 2023
9. For the purposes of 2B201, measurement uncertainty for the positioning accuracy of machine tools, as defined in the International Standard ISO 230/2:2014 or national equivalents, shall not be considered.
2. B. 001. Machine tools and any combination thereof, for removing (or cutting) metals, ceramics or "composites", which, according to the manufacturer's technical specification, can be equipped with electronic devices for "numerical control", as follows:
N.B.: SEE ALSO 2B201.
Note 1: 2B001 does not apply to special purpose machine tools limited to the manufacture of gears. For such machines see 2B003.
Note 2: 2B001 does not apply to special purpose machine tools limited to the manufacture of any of the following:
a. Crankshafts or camshafts;
b. Tools or cutters;
c. Extruder worms; or
d. Engraved or facetted jewellery parts.
e. Dental prostheses.
Note 3: A machine tool having at least two of the three turning, milling or grinding capabilities (e.g., a turning machine with milling capability), must be evaluated against each applicable entry 2B001.a., b. or c.
Note 4: A machine tool having an additive manufacturing capability in addition to a turning, milling or grinding capability must be evaluated against each applicable entry 2B001.a., b. or c.
N.B.: For optical finishing machines, see 2B002.
2. B. 001. a. Machine tools for turning having two or more axes which can be coordinated simultaneously for "contouring control" having any of the following:
1. "Unidirectional positioning repeatability" equal to or less (better) than 0.9 µm along one or more linear axis with a travel length less than 1.0 m; or
2. "Unidirectional positioning repeatability" equal to or less (better) than 1.1 µm along one or more linear axis with a travel length equal to or greater than 1.0 m;
Note 1: 2B001.a. does not apply to turning machines specially designed for producing contact lenses, having all of the following:
a. Machine controller limited to using ophthalmic based software for part programming data input; and
b. No vacuum chucking.

                Note 2: