1、ICS 17.040.30Geometrische Produktspezifikation (GPS) Lehrengriffe Teil 2: Fr Lehrenkrper ber 40 mm Nenndurchmesser: Griffe,Zylinderschrauben und KlemmstckeIn keeping with current practice in standards published by the International Organization for Standardization(ISO), a comma has been used through
2、out as the decimal marker.ForewordThis standard has been prepared by Technical Committee Gewindeprfung of the Normenausschuss Tech-nische Grundlagen (Fundamentals in Technology Standards Committee).AmendmentsThis standard differs from the November 1989 edition in that it has been editorially revised
3、 and referenceshave been updated.Previous editionsDIN 2240-2: 1966-01, 1977-09, 1989-11.Ref. No. DIN 2240-2 : 2001-12English price group 07 Sales No. 010710.02DEUTSCHE NORM December 20012240-2Continued on pages 2 to 5. No part of this translation may be reproduced without the prior permission ofDIN
4、Deutsches Institut fr Normung e.V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).Geometrical product specifications (GPS)Gauge handles for gauging members over 40 mm nominaldiameter: Handles, fixing screws and locking prongsSupers
5、edesNovember 1989 edition.Translation by DIN-Sprachendienst.In case of doubt, the German-language original should be consulted as the authoritative text.All dimensions are in millimetres.1 ScopeThis standard specifies the dimensions of gauge handles, fixing screws and locking prongs for use withgaug
6、ing members over 40 mm nominal diameter.2 Normative referencesThis standard incorporates, by dated or undated reference, provisions from other publications. Thesenormative references are cited at the appropriate places in the text, and the titles of the publications arelisted below. For dated refere
7、nces, subsequent amendments to or revisions of any of these publicationsapply to this standard only when incorporated in it by amendment or revision. For undated references, thelatest edition of the publication referred to applies.DIN 76-1 Thread run-outs and thread undercuts for ISO metric screw th
8、reads in accordance withthe DIN 13 seriesDIN 82 Straight knurlsDIN 974-1 Diameters of counterbores (holes) for cheese head, pan head and hexagon socket headcap screwsDIN 6912 Hexagon socket thin head cap screws with pilot recess for wrench keyDIN EN ISO 4753 Fasteners Ends of parts with external ISO
9、 metric screw thread (ISO 4753 : 1999)ISO 2768-1 : 1989 General tolerances Part 1: Tolerances for linear and angular dimensions without indi-vidual tolerance indicationsPage 2DIN 2240-2 : 2001-123 Dimensions and designation3.1 Handles3.1.1 DimensionsGauge handle dimensions shall be as given in figur
10、es 1 to 3 and table 1.General tolerances shall be class m tolerances as in ISO 2768-1.Type GE, single-ended, trilock type, with d2= 25 mm or 30 mmKey to figure1 Marking2 RGE 0,5 to 1 knurl as in DIN 823 Fixed steel ball1) Handles recommended for use with NOT GO gauging members shall be provided with
11、 a red mark.2) Edges rounded.Figure 1: Type GE gauge handle dimensions (notation)Type GD, double-ended, trilock type, with d2=25mm1)2)3 holesDetail XOther dimensions and details as for type GE handles.Figure 2: Type GD gauge handle dimensions (notation)Page 3DIN 2240-2 : 2001-12Key to figure1 Lockin
12、g prong2 Marking1) Handles recommended for use with NOT GO gauging members shall be provided with a red mark.2) Edges chamfered or rounded.NOTE: Types GE and GD handles can be converted into handles to receive a rod gauge by removing the ballsfrom one end face and screwing in the locking prong inste
13、ad.Figure 3: Types GEK and GDK gauge handle dimensions (notation)3.1.2 DesignationDesignation of a type GE gauge handle (GE) with a diameter, d2, of 25 mm:Handle DIN 2240 GE 25Type GEK, single-ended, to receive rod gauge withspherical ends; d2=25mmType GDK, double-ended, to receive rod gauge withsph
14、erical ends at one end; d2=25mm3.2 Fixing screws3.2.1 DimensionsFixing screw dimensions shall be as given in figure 4 and table 2.General tolerances shall be class m tolerances as in ISO 2768-1.Table 1: Gauge handle dimensionsLength l1for type1)2)2)1)Page 4DIN 2240-2 : 2001-12Other dimensions and de
15、tails as for left-hand illustration.x as in DIN 76-1.z1as in DIN EN ISO 4753.Figure 4: Fixing screw dimensions (notation)3.2.2 DesignationDesignation of an M12 1,25 hexagon socket head cap screw with a length, l4, of 45 mm:Fixing screw DIN 2240 M12 1,25 45M12 1,25 and M22 1,5 hexagon sockethead cap
16、screwM22 1,5 hexagon socket head cap screw(at manufacturers discretion)Table 2: Fixing screw dimensions3.3 Locking prong3.3.1 DimensionsLocking prong dimensions shall be as given in figure 5.General tolerances shall be class m tolerances as in ISO 2768-1.Key to figure1 DIN 6912 M5 12 5.8 hexagon soc
17、ket head cap screw2 Counterbore as in DIN 974-1Figure 5: Locking prong dimensionsPage 5DIN 2240-2 : 2001-123.3.2 DesignationDesignation of a locking prong (K) with M12 1,25 threaded stud:Locking prong DIN 2240 K M12 1,254 MaterialHandles shall be made either from steel or from wrought aluminium allo
18、y, the grade and the material of fixingscrews and locking prongs being at the manufacturers discretion.Other relevant standardsDIN 2240-1 Geometrical product specifications (GPS) Gauge handles for gauging members up to 40 mmnominal diameter with 1:50 taper shankDIN 2240-3 Geometrical product specifications (GPS) Gauge handles for gauging members for use in pre-cision engineering
