Additive manufacturing. General principles. Requirements for purchased AM partsWhat is ISO ASTM 52901 Additive manufacturing about? This international standard assists its users to communicate product part details like dimensions, surface texture, tolerances etc., without causing any confusion and ensuring the quality of the product. ISO ASTM 52901 defines and specifies requirements for purchased parts made by additive manufacturing. ISO ASTM 52901 is applicable for use as a basis to obtain parts made by additive manufacturing

BS EN 1159-1 describes general principles of construction calibration and operation of the equipment

3 or 4 of EN 45545‑12)

BS EN 13145 on wood sleepers and bearers on tracks is useful for:

NOTE 3: Particular attention is needed to ensure alignment of the countersunk head with the bearing surface of the countersink in the assembly

Two new Annexes were added regarding test methods using detector arrays and deriving an objective image quality criterion from the MTF

5 nm for CdS and is recommended for samples with narrow size distributions

and infrastructure-based positioning technologies

BS EN 60534-8-4:2015 supersedes BS EN 60534-8-4:2005

other applications employing similar light transmitting techniques as well as fibre optic cables

Such conditions can be specified in BS EN 62150-2

BS EN IEC 62149‑10 on fibre optic active components is useful for:

Training managers