1、DEUTSCHE NORM General purpose NOT GO ring gauges with nominal diameters from 1 mm to 315 mm January 1995 - DIN - 2254-1 ICs 17.040.30 Supersedes November 1989 edition. Descriptors: Gauges, ring gauges, NOT GO ring gauges. Prfen geometrischer Gren; Ausschulehrringe. Teil 1 : Nenndurchmesser von 1 bis
2、 31 5 mm; allgemeine Anwendung In keeping with current practice in standards published by the International Organization for Standardization (ISO), a comma has been used throughout as the decimal marker. Dimensions in mm Foreword This standard has been prepared by the Normenausschu Lnge und Gestalt
3、(Length and Shape Standards Committee), Technical Committee 2.3 Lehren. See Part 2 of this standard for NOT GO ring gauges for use in precision engineering. Amendments In comparison with the November 1989 edition, the standard has been editorially revised. Previous editions DIN 2254: 1951 -1 1, 1963
4、-06; DIN 2254-1 : 1977-09, 1989-1 1 1 Scope and field of application This standard specifies requirements for general purpose NOT GO ring gauges to be used for gauging plain workpieces and (the major diameter of) external screw threads. 2 Normative references This standard incorporates, by dated or
5、undated reference, provisions from other publications. These normative refer- ences are cited at the appropriate places in the text and the titles of the publications are listed below. For dated refer- ences, subsequent amendments to or revisions of any of these publications apply to this standard o
6、nly when incorpo- rated in it by amendment or revision. For undated references, the latest edition of the publication referred to applies. DIN 13-17 IS0 metric screw threads; sizes and design features of gauges for external and internal threads Straight knurls DIN 82 DIN 2239 Gauges for use in dimen
7、sional metrology; requirements and testing Gauges for cylindrical and flat fits: survey, lettering and marking Gauges for internal and external IS0 metric screw threads; survey, lettering, marking and use Workpiece edges; terminology, indications on drawings Plain workshop and inspection gauges; man
8、ufacturing tol- erances and permissible wear Workshop gap gauges and check gauges for IS0 fit sizes from 1 to 500 mm; significant gauge dimensions and man- ufacturing tolerances DIN 2259 DIN 2279 DIN 6784 DIN 7162 DIN 7163 Continued on pages 2 and 3. Beoth Verlag GmbH, Berlin, has lhe exlusive right
9、 of sale for German Standards (DIN-Normen) 02.97 DIN 2254-1 Eng/. Price group 5 Sales No. O1 05 Page 2 DIN 2254-1 3 Dimensions and designation Type A Gauges from 1 mm to 100 mm nominal diameter NOT GO ring gauges RGE 0,5 to 1 knurl as in DIN 82 I Gauges over 100 mm to 315 mm nominal diameter Groove
10、for colour coding RGE 0,5 to 1 knurl, optional. Groove or recess (depending on ring thickness) for colour coding Undercut, optional. Designation of a NOT GO ring gauge (A) designed to measure dimension 30 h9: Designation of a NOT GO ring gauge (A) designed to check an M 30 x 0,5 external thread made
11、 to 6g tolerance: Ring gauge DIN 2254 - A - 30 h9 Ring gauge DIN 2254 - A - M 30 x 0,5 - 6g I) Form of edges as specified in DIN 6784. DIN 2254-1 d2 Nominal diameter, dl Page 3 d3 Table 1: Dimensions of ring gauges with d, from 1 mm to 100 mm Table 2: Dimensions of ring gauges with d, over 100 mm up
12、 to 315 mm Nominal diameter, il, I d2 I b, From 1 to 2,5 I 22 I 4 I OverlOOupto110 I 170 I 132 14 Over 2,5 upto 5 I 22 I 5 I Over110upto120 I 180 I 140 16 Over 5 upto 10 I 32 I 8 I Over120upto130 I 190 I 150 28 Over 10 upto 15 I 38 I 10 I Over130upto140 I 200 I 160 18 Over 15 upto 20 I 45 I 12 I Ove
13、r140upto150 I 212 I 170 Over 20 up to 25 I 53 I 14 I Over150upto160 I 224 I 180 Over 25 upto 32 I 63 I 16 20 - 22 Over 160 up to 170 Over 170 up to 180 Over 180 up to 190 21 2 Over 190 up to 200 Over 32 upto 40 I 71 I 18 32 Over 50 upto 70 Over 60 upto 80 Over 70 upto 90 Over 90 up to 100 I Over200u
14、pto212 I 300 I 236 24 25 I Over224upto236 I 335 I 265 I Over236upto250 I 355 I 280 I Over250upto265 I 375 I 300 28 36 I Over265up to280 I 400 I 315 I Over280upto300 I 425 I 335 32 I Over300upto315 I 450 I 355 4 Requirements Ring gauges shall comply with the technical delivery conditions specified in
15、 DIN 2239, their marking for gauging plain workpieces being as specified in DIN 2259 and that for gauging internal screw threads, as specified in DIN 2279. Where ring gauges are designed to check dimensions with the IS0 tolerance symbol, dimension d, shall comply with DIN 7163, those designed to check dimensions with the numerical tolerance indication, with DIN 71 62, and those designed to gauge external threads, with DIN 13-17. International Patent Classification G O1 B 003/34 G O1 B 003/36
