1、AECMA STANDARD NORME AECMA AECMA NORM Edition approved for publication 1995-1 2-29 prEN 261 7 Edition P 2 December 7 995 Comments should be sent within six months after the date of publication to AECMA Gulledelle 94 6-1 200 BRUXELLES ICs PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE INDUSTRIES
2、(AECMA) Gulledelle 94 - 8-1200 BRUXELLES - Tel. (32) 2 775 81 10 - Fax. (32) 2 775 81 11 Supersedes Issue P 1 May 1986 Descriptors : ENGLISH VERSION Aerospace series Plate in titanium and titanium alloys Thickness 6 mm 600 5.1.3 Length See table 4 +5 O e I500 I + 0,Ol e O I !so0 I 5.2 Geometric tole
3、rances 5.2.1 Squareness 5.2.1.1 Method of measurement See EN 3848 5.2.1.2 Tolerances The maximum difference in the lengths of the diagonals shall be 15 mm. 5.2.2 Lateral curvature 5.2.2.1 See EN 3848 5.2.2.2 Tolerances See table 5 Method of measurement and symbol The defect may be concave or convex.
4、 - AECMA PRENrZbL7 95 W LOL23Ll OOLOLL9 180 W Page 6 prEN 2617 : 1995 5.2.3 Flatness 5.2.3.1 Method of measurement and symbols See EN 3848 5.2.3.2 Tolerances See table 6 Table 6 Dimensions in millimetres Thickness I 6ai 10 I 10as 30 I 30 a 5 100 Flatness deviation f for : I I chord I length I W = 300 width
