ISO 2891:1977 pdf download.Modular units for machine tool construction — Centre bases and columns.
1 SCOPE AND FIELD OF APPLICATION
This International Standard specifies certain dimensions relating to the interchangeability of centre bases and columns used in special purpose machines constructed from modular units.
2 DIMENSIONS
2.1 Dimensions for centre bases shall be in accordance wIth table 1.
2.2 Dimensions for columns shall be in accordance with table 2.
3 LOCATION OF CENTRE BASES
As an alternative to the location by means of a tenon and slot, as given in this International Standard. location by dowels may be used.ISO 2891:1977 pdf download.
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