1、October 2009DEUTSCHE NORM English price group 8No part of this standard may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS 21.060.50!$Z)g“1550668w
2、ww.din.deDDIN EN ISO 8752Spring-type straight pins Slotted, heavy duty (ISO 8752:2009)English version of DIN EN ISO 8752:2009-10Spannstifte (-hlsen) Geschlitzt, schwere Ausfhrung (ISO 8752:2009)Englische Fassung DIN EN ISO 8752:2009-10SupersedesDIN EN ISO 8752:1998-03www.beuth.deDocument comprises 1
3、1 pagesDIN EN ISO 8752:2009-10 2 National foreword This standard has been prepared by Technical Committee ISO/TC 2 “Fasteners”, Subcommittee SC 10 “Product standards for fasteners” in collaboration with Technical Committee CEN/TC 185 “Fasteners” (Secretariat: DIN, Germany). The responsible German bo
4、dy involved in its preparation was the Normenausschuss Mechanische Verbin-dungselemente (Fasteners Standards Committee), Technical Committee NA 067-04-01 AA Stifte und Bolzen. The DIN Standards corresponding to the International Standards referred to in this document are as follows: ISO 3269 DIN EN
5、ISO 3269 ISO 4042 DIN EN ISO 4042 ISO 6507-1 DIN EN ISO 6507-1 ISO 8749 DIN EN 28749 ISO 13337 DIN EN ISO 13337 Amendments This standard differs from DIN EN ISO 8752:1998-03 as follows: a) The Vickers hardness test has been added. b) The standard has been editorially revised. Previous editions DIN 1
6、481: 1946x-06, 1959x-11, 1978-11 DIN EN 28752: 1993-08 DIN EN ISO 8752: 1998-03 National Annex NA (informative) Bibliography DIN EN ISO 3269, Fasteners Acceptance inspection DIN EN ISO 4042, Fasteners Electroplated coatings DIN EN ISO 6507-1, Metallic materials Vickers hardness test Part 1: Test met
7、hod DIN EN ISO 13337, Spring-type straight pins Slotted, light duty DIN EN 28749, Determination of shear strength of pins EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN ISO 8752June 2009ICS 21.060.50 Supersedes EN ISO 8752:1997 English VersionSpring-type straight pins - Slotted, heavy duty (ISO 8
8、752:2009)Goupilles cylindriques creuses, dites goupilles lastiques -Srie paisse (ISO 8752:2009)Spannstifte (-hlsen) - Geschlitzt, schwere Ausfhrung(ISO 8752:2009)This European Standard was approved by CEN on 6 June 2009.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which
9、stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the CEN Management Centre or to any CEN member.This European Standar
10、d exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as theofficial versions.CEN members are the national standard
11、s bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
12、EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: Avenue Marnix 17, B-1000 Brussels 2009 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN ISO 8752:2009: EContents Page
13、 Foreword .3 1 Scope4 2 Normative references4 3 Dimensions 4 4 Application .7 5 Requirements and reference International Standards 7 6 Designation 8 Bibliography9 2 EN ISO 8752:2009 (E) DIN EN ISO 8752:2009-10 3 DIN EN ISO 8752:2009-10 EN ISO 8752:2009 (E) Foreword collaboration with Technical Commi
14、ttee CEN/TC 185 “Fasteners” the secretariat of which is held by DIN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by December 2009, and conflicting national standards shall be withdrawn at the lat
15、est by December 2009. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes EN ISO 8752:1997. According to the CEN/
16、CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Lu
17、xembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. Endorsement notice The text of ISO 8752:2009 has been approved by CEN as a EN ISO 8752:2009 without any modification. This document (EN ISO 8752:2009) has been prep
18、ared by Technical Committee ISO/TC 2 “Fasteners” in 1 Scope This International Standard specifies the characteristics of slotted spring-type straight pins, made of steel or of austenitic or martensitic stainless steel, heavy duty, with nominal diameter, d1, from 1 mm to 50 mm inclusive. NOTE The nom
19、inal diameters have been chosen in such a way that pins can be fitted one into the other or combined with pins, light duty, in accordance with ISO 13337. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the e
20、dition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 3269, Fasteners Acceptance inspection ISO 4042, Fasteners Electroplated coatings ISO 6507-1, Metallic materials Vickers hardness test Part 1: Test method ISO 8749, Pins
21、 and grooved pins Shear test 3 Dimensions See Figure 1 and Table 1. aFor slotted spring-type straight pins with a nominal diameter d1W 10 mm, a single chamfer configuration is optional at the discretion of the supplier. bd3 d1, nom.NOTE For non-interlocking slotted spring-type straight pins (slot ty
22、pe N), see Clauses 5 and 6. Figure 1 Slotted spring-type straight pins, heavy duty 4 EN ISO 8752:2009 (E) DIN EN ISO 8752:2009-10 Table 1 Dimensions nom. 1 1,5 2 2,5 3 3,5 4 4,5 5 6 8 10 max. 1,3 1,8 2,4 2,9 3,5 4,0 4,6 5,1 5,6 6,7 8,8 10,8 d1before mounting min. 1,2 1,7 2,3 2,8 3,3 3,8 4,4 4,9 5,4
23、6,4 8,5 10,5 d2before mountinga0,8 1,1 1,5 1,8 2,1 2,3 2,8 2,9 3,4 4,0 5,5 6,5 max. 0,35 0,45 0,55 0,6 0,7 0,8 0,85 1,0 1,1 1,4 2,0 2,4 a min. 0,15 0,25 0,35 0,4 0,5 0,6 0,65 0,8 0,9 1,2 1,6 2,0 s 0,2 0,3 0,4 0,5 0,6 0,75 0,8 1,0 1,0 1,2 1,5 2,0 Minimum shear strength, doublebkN 0,7 1,58 2,82 4,38 6
24、,32 9,06 11,24 15,36 17,54 26,04 42,76 70,16 l cnom. min. max. 4 3,75 4,25 5 4,75 5,25 6 5,75 6,25 8 7,75 8,25 10 9,75 10,25 12 11,5 12,5 14 13,5 14,5 16 15,5 16,5 Range 18 17,5 18,5 20 19,5 20,5 22 21,5 22,5 24 23,5 24,5 26 25,5 26,5 28 27,5 28,5 of 30 29,5 30,5 32 31,5 32,5 35 34,5 35,5 40 39,5 40
25、,5 45 44,5 45,5 50 49,5 50,5 55 54,25 55,75 60 59,25 60,75 65 64,25 65,75 70 69,25 70,75 75 74,25 75,75 80 79,25 80,75 85 84,25 85,75 90 89,25 90,75 95 94,25 95,75 100 99,25 100,75 120 119,25 120,75 140 139,25 140,75 160 159,25 160,75 180 179,25 180,75 200 199,25 200,75 aFor reference only. bApplies
26、 to steel and martensitic corrosion resistant steel products only. For austenitic stainless pins, no double shear strength values are specified. cFor nominal lengths above 200 mm, steps of 20 mm. 5 DIN EN ISO 8752:2009-10 EN ISO 8752:2009 (E) Dimensions in millimetres 12 13 14 16 18 20 21 25 28 30 3
27、2 35 38 40 45 50 12,8 13,8 14,8 16,8 18,9 20,9 21,9 25,9 28,9 30,9 32,9 35,9 38,9 40,9 45,9 50,9 12,5 13,5 14,5 16,5 18,5 20,5 21,5 25,5 28,5 30,5 32,5 35,5 38,5 40,5 45,5 50,5 7,5 8,5 8,5 10,5 11,5 12,5 13,5 15,5 17,5 18,5 20,5 21,5 23,5 25,5 28,5 31,5 2,4 2,4 2,4 2,4 2,4 3,4 3,4 3,4 3,4 3,4 3,6 3,
28、6 4,6 4,6 4,6 4,6 2,0 2,0 2,0 2,0 2,0 3,0 3,0 3,0 3,0 3,0 3,0 3,0 4,0 4,0 4,0 4,0 2,5 2,5 3,0 3,0 3,5 4,0 4,0 5,0 5,5 6,0 6,0 7,0 7,5 7,5 8,5 9,5 104,1 115,1 144,7 171 222,5 280,6 298,2 438,5 542,6 631,4 684 859 1 003 1 068 1 360 1 685 comercial lengths 6 EN ISO 8752:2009 (E) DIN EN ISO 8752:2009-10
29、 4 Application The diameter of the hole into which the spring pin is to be inserted shall be equal to the nominal diameter, d1, of the mating pin and to tolerance class H12. When mounted in the smallest permitted hole, the slot shall not fully close. 5 Requirements and reference International Standa
30、rds See Table 2. Table 2 Requirements and reference International Standards Steel Austenitic stainless steelMartensitic stainless steel St A CSteel (St) at the suppliers discretion, either: Chemical composition limits (check analysis) % Plain carbon steel with C W 0,65 % Mn W 0,5 % (check analysis)
31、Hardened and tempered to a Vickers hardness of 420 HV to 520 HV or austempered to a Vickers hardness of 500 HV to 560 HV. C u 0,15 Mn u 2,00 Si u 1,50 Cr 16 to 20Ni 6 to 12 P u 0,045S u 0,03 Mo u 0,8 C W 0,15 Mn u 1,00 Si u 1,00 Cr 11,5 to 14 Ni u 1,00 P u 0,04 S u 0,03 or Silicon manganese steel wi
32、th C W 0,5 % Si W 1,5 % Mn W 0,7 % Cold worked Hardened and tempered to a Vickers hardness of 440 HV to 560 HV (check analysis) MaterialaHardened and tempered to a Vickers hardness of 420 HV to 560 HV. Hardness testing in accordance with ISO 6507-1. Hardness testing in accordance with ISO 6507-1 Nor
33、mal case Form and width of slot at the discretion of the supplier. Slot Type N Non-interlocking pins with a form and/or width of slot which guarantees no interlocking may be supplied by special agreement between the customer and supplier. Plain, i.e. pins to be supplied in natural finish, treated wi
34、th a protective lubricant, unless otherwise specified by agreement between the customer and the supplier. Surface finish If pins are surface coated, appropriate plating or coating processes should be employed to avoid hydrogen embrittlement. Due to the risk of hydrogen embrittlement, pins should not
35、 be electroplated or phosphate-coated. If electroplating or phosphate coating is required for corrosion prevention, by agreement between the customer and the supplier, it is mandatory that the pins be baked immediately after plating to minimize the risk of hydrogen embrittlement; see also informatio
36、n on hydrogen embrittlement relief in ISO 4042. Nevertheless, freedom from hydrogen embrittlement is not absolutely guaranteed.All tolerances shall apply prior to the application of a plating or coating. Plain, i. e. pins to be supplied in natural finish. Workmanship Pins shall be free of irregulari
37、ties or detrimental defects. No burrs shall appear on any part of the pin. Shear strength test The test shall be in accordance with ISO 8749. Acceptability The acceptance procedure is specified in ISO 3269. aFor other materials, as agreed between the customer and supplier. 7 DIN EN ISO 8752:2009-10
38、EN ISO 8752:2009 (E) 6 Designation EXAMPLE 1 A slotted spring-type straight pin, heavy duty, with nominal diameter d1= 6 mm and nominal length l = 30 mm, made of steel (St), is designated as follows: Spring pin ISO 8752-6 30-St EXAMPLE 2 A non-interlocking slotted spring-type straight pin (N), heavy
39、 duty, with nominal diameter d1= 6 mm and nominal length l = 30 mm, made of martensitic stainless steel (C), is designated as follows: Spring pin ISO 8752-6 30-N-C 8 EN ISO 8752:2009 (E) DIN EN ISO 8752:2009-10 Bibliography 1 ISO 13337, Spring-type straight pins Slotted, light duty 9 DIN EN ISO 8752:2009-10 EN ISO 8752:2009 (E)
