ImageVerifierCode 换一换
格式:PDF , 页数:11 ,大小:396.41KB ,
资源ID:681995      下载积分:10000 积分
快捷下载
登录下载
邮箱/手机:
温馨提示:
如需开发票,请勿充值!快捷下载时,用户名和密码都是您填写的邮箱或者手机号,方便查询和重复下载(系统自动生成)。
如填写123,账号就是123,密码也是123。
特别说明:
请自助下载,系统不会自动发送文件的哦; 如果您已付费,想二次下载,请登录后访问:我的下载记录
支付方式: 支付宝扫码支付 微信扫码支付   
注意:如需开发票,请勿充值!
验证码:   换一换

加入VIP,免费下载
 

温馨提示:由于个人手机设置不同,如果发现不能下载,请复制以下地址【http://www.mydoc123.com/d-681995.html】到电脑端继续下载(重复下载不扣费)。

已注册用户请登录:
账号:
密码:
验证码:   换一换
  忘记密码?
三方登录: 微信登录  

下载须知

1: 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。
2: 试题试卷类文档,如果标题没有明确说明有答案则都视为没有答案,请知晓。
3: 文件的所有权益归上传用户所有。
4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
5. 本站仅提供交流平台,并不能对任何下载内容负责。
6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。

版权提示 | 免责声明

本文(DIN EN ISO 8750-2007 Spring-type straight pins - Coiled standard duty (ISO 8750 2007) German version EN ISO 8750 2007-07《弹簧型直销 卷制标准型(ISO 8750-2007)》.pdf)为本站会员(赵齐羽)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

DIN EN ISO 8750-2007 Spring-type straight pins - Coiled standard duty (ISO 8750 2007) German version EN ISO 8750 2007-07《弹簧型直销 卷制标准型(ISO 8750-2007)》.pdf

1、July 2007DEUTSCHE NORM English price group 7No 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!,z24“9871517www.

2、din.deDDIN EN ISO 8750Spring-type straight pins Coiled, standard duty (ISO 8750:2007)English version of DIN EN ISO 8750:2007-07Spiralspannstifte Regelausfhrung (ISO 8750:2007)Englische Fassung DIN EN ISO 8750:2007-07SupersedesDIN EN ISO 8750:1998-03www.beuth.deDocument comprises 11 pages09.07DIN EN

3、ISO 8750:2007-07 2 National foreword This standard has been prepared by Technical Committee ISO/TC 2 “Fasteners” in collaboration with Technical Committee CEN/TC 185 “Fasteners” (Secretariat: DIN, Germany). The responsible German body involved in its preparation was the Normenausschuss Mechanische V

4、erbindungselemente (Fasteners Standards Committee), Technical Committee NA 067-04-01 AA Stifte und Bolzen. The DIN Standards corresponding to the International Standards referred to in clause 2 of the EN are as follows: ISO 286-2 DIN ISO 286-2 ISO 3269 DIN EN ISO 3269 ISO 4042 DIN EN ISO 4042 ISO 87

5、49 DIN EN 28749 ISO 6507-1 DIN EN ISO 6507-1 Amendments This standard differs from DIN EN ISO 8750:1998-03 as follows: a) Hardness testing as in DIN EN ISO 6507-1 has been included. b) The standard has been editorially revised. Previous editions DIN 7344: 1969-04 DIN ISO 8750: 1991-04 DIN EN 28750:

6、1992-10 DIN EN ISO 8750: 1998-03 Product properties The product properties of spring-type straight pins as specified in this standard are given in DIN 4000-163. DIN EN ISO 8750:2007-07 3 National Annex NA (informative) Bibliography DIN 4000-163, Tabular layout of product properties Part 163: Fastene

7、rs without thread DIN EN 28749, Determination of shear strength of pins 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 method DIN ISO 286-2, ISO system of limits and fits Part

8、 2: Tables of standard tolerance grades and limit deviations for holes and shafts DIN EN ISO 8750:2007-07 4 This page is intentionally blank EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN ISO 8750April 2007ICS 21.060.50 Supersedes EN ISO 8750:1997 English VersionSpiralspannstifte - Regelausfhrung

9、 (ISO 8750:2007)This European Standard was approved by CEN on 22 March 2007.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliog

10、raphical references concerning such nationalstandards may be obtained on application to the CEN Management Centre or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a

11、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 standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,France, Germany, Greece, Hungary, Iceland, Ireland, It

12、aly, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050

13、Brussels 2007 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN ISO 8750:2007: E(ISO 8750:2007)(ISO 8750:2007)Spring-type straight pins - Coiled, standard dutyGoupilles lastiques spirales - Srie moyenneForeword This document (EN ISO 87

14、50:2007) has been prepared by Technical Committee ISO/TC 2 “Fasteners” in collaboration with Technical Committee 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

15、endorsement, at the latest by October 2007, and conflicting national standards shall be withdrawn at the latest by October 2007. This document supersedes EN ISO 8750:1997. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to

16、implement this European Standard: 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, Switzer

17、land and United Kingdom. Endorsement notice The text of ISO 8750:2007 has been approved by CEN as EN ISO 8750:2007 without any modifications. EN ISO 8750:2007 (E) 2 1 Scope This International Standard specifies the characteristics of coiled, standard duty spring-type straight pins made of steel or o

18、f austenitic or martensitic stainless steel, with a nominal diameter, d1, from 0,8 mm to 20 mm inclusive. NOTE Spring-type straight pins, coiled, heavy duty, and spring type straight pins, coiled, light duty, are the subjects of ISO 8748 and ISO 8751, respectively. 2 Normative references The followi

19、ng referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 286-2, ISO system of limits and fits Part 2: Tables of s

20、tandard tolerance grades and limit deviations for holes and shafts 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 and grooved pins Shear test 3 Dimensions See Figure 1 and Ta

21、ble 1. aSwaged chamfer at both ends. Figure 1 EN ISO 8750:2007 (E) 3Table 1 Dimensions Dimensions in millimetres nom. 0,8 1 1,2 1,5 2 2,5 3 3,5 4 5 6 8 10 12 14 16 20 max. 0,91 1,15 1,35 1,73 2,25 2,78 3,30 3,84 4,4 5,50 6,50 8,63 10,80 12,85 14,95 17,00 21,1d1before mounting min. 0,85 1,05 1,25 1,6

22、2 2,13 2,65 3,15 3,67 4,2 5,25 6,25 8,30 10,35 12,40 14,45 16,45 20,4d2before mounting max. 0,75 0,95 1,15 1,4 1,9 2,4 2,9 3,4 3,9 4,85 5,85 7,8 9,75 11,7 13,6 15,6 19,6a 0,3 0,3 0,4 0,5 0,7 0,7 0,9 1 1,1 1,3 1,5 2 2,5 3 3,5 4 4,5 s 0,07 0,08 0,1 0,13 0,17 0,21 0,25 0,29 0,33 0,42 0,5 0,67 0,84 1 1,

23、2 1,3 1,7 a 0,4 0,6 0,9 1,45 2,5 3,9 5,5 7,5 9,6 15 22 39 62 89 120 155 250Minimum shear strength, double, kN b 0,3 0,45 0,65 1,05 1,9 2,9 4,2 5,7 7,6 11,5 16,8 30 48 67 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 18 17,5 18,

24、5 20 19,5 20,5 22 21,5 22,5 Range 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 commercial 40 39,5 40,5 45 44,5 45,5 50 49,5 50,5 lengths 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 94,2

25、5 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 a Applies to steel and martensitic corrosion-resistant steel products. b Applies to austenitic stainless steel products. c For nominal lengths above 200 mm, steps of 20 mm.EN ISO 8750:2

26、007 (E) 4 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 in accordance with ISO 286-2. For pins with a nominal diameter of 1,2 mm and below, the tolerance class of the hole di

27、ameter shall be H10 in accordance with ISO 286-2. 5 Requirements and reference International Standards See Table 2. Table 2 Requirements and reference International Standards Steel Austenitic stainless steel Martensitic stainless steel St A C All pin diameters Alternative for pin diameters d1 12 mm

28、Chemical composition limits (chemical analysis) % Chemical composition limits (chemical analysis) % C W 0,64 Mn W 0,60 Si W 0,15 CrbP u 0,04 S u 0,05 C W 0,38 Mn W 0,70 Si W 0,20 Cr W 0,80 V W 0,15 P u 0,035 S u 0,04 C u 0,15 Mn u 2,00 Si u 1,50 Cr 16 to 20 Ni 6 to 12 P u 0,045 S u 0,03 Mo u 0,8 C W

29、 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 Hardened and tempered to a Vickers hardness of 420 HV to 545 HV Cold worked Hardened and tempered to a Vickers hardness of 460 HV to 560 HV Materiala Hardness testing according to ISO 6507-1. Hardness testing according to ISO 6507-1

30、. Plain, i.e. pins to be supplied in natural finish, treated with a protective lubricant, unless otherwise specified by agreement between customer and supplier. If pins are surface coated, appropriate plating or coating processes should be employed to avoid hydrogen embrittlement. Due to the risk of

31、 hydrogen embrittlement, pins should not be electroplated or phosphate-coated. If electroplating or phosphate coating is required for corrosion prevention, by agreement between customer and supplier, it is mandatory that the pins be baked immediately after plating to minimize the risk of hydrogen em

32、brittlement, see also hydrogen embrittlement relief according to ISO 4042. Nevertheless, freedom from hydrogen embrittlement is not absolutely guaranteed. Surface finish All tolerances shall apply prior to the application of a plating or coating. Plain, i.e. pins to supplied in natural finish. Workm

33、anship Pins shall be free of irregularities or detrimental defects. No burrs shall appear on any part of the pin. EN ISO 8750:2007 (E) 5Table 2 (continued) Shear strength test The test shall be in accordance with ISO 8749. Acceptability The acceptance procedure shall be in accordance with ISO 3269.

34、aOther materials as agreed between customer and supplier. bUse of Cr is optional. 6 Designation EXAMPLE 1 A spring-type straight pin, coiled, standard duty, with nominal diameter d1= 6 mm and nominal length l = 30 mm, made of steel (St) is designated as follows: Spring pin ISO 8750 - 6 30 - St EXAMP

35、LE 2 A spring-type straight pin, coiled, standard duty, with nominal diameter d1= 6 mm and nominal length l = 30 mm, made of austenitic stainless steel (A) is designated as follows: Spring pin ISO 8750 - 6 30 - A EN ISO 8750:2007 (E) 6 Bibliography 1 ISO 8748, Spring-type straight pins Coiled, heavy duty 2 ISO 8751, Spring-type straight pins Coiled, light duty EN ISO 8750:2007 (E) 7

copyright@ 2008-2019 麦多课文库(www.mydoc123.com)网站版权所有
备案/许可证编号:苏ICP备17064731号-1