|
US$279.00 · In stock Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 1239.3-2009: Cold coiled helical springs technical specifications -- Part 3: Torsion spring Status: Valid GB/T 1239.3: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 1239.3-2009 | English | 279 |
Add to Cart
|
3 days [Need to translate]
|
Cold coiled helical springs technical specifications -- Part 3: Torsion spring
| Valid |
GB/T 1239.3-2009
|
| GB/T 1239.3-1989 | English | 519 |
Add to Cart
|
4 days [Need to translate]
|
Cold coiled helical torsion springs--Technical specifications
| Obsolete |
GB/T 1239.3-1989
|
PDF similar to GB/T 1239.3-2009
Basic data | Standard ID | GB/T 1239.3-2009 (GB/T1239.3-2009) | | Description (Translated English) | Cold coiled helical springs technical specifications -- Part 3: Torsion spring | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J26 | | Classification of International Standard | 21.160 | | Word Count Estimation | 12,193 | | Date of Issue | 2009-03-16 | | Date of Implementation | 2009-11-01 | | Older Standard (superseded by this standard) | GB/T 1239.3-1989 | | Quoted Standard | GB/T 1805; GB/T 4357-1989; GB/T 18983; GB/T 21652; JB/T 7944; YB/T 11; YB/T 5311; YS/T 571 | | Regulation (derived from) | National Standard Approval Announcement 2009 No.2 (Total No.142) | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the cold rolling cross-section helical torsion spring technology requirements, test methods, inspection rules and packaging, signs, transport, storage requirements. This section applies to cold rolling cross-section helical torsion spring (hereinafter referred to as the spring), cross-sectional diameter of the spring material is greater than equal to 0. 5 mm. This section does not apply to the special requirements of the spring. |
GB/T 1239.3-2009: Cold coiled helical springs technical specifications -- Part 3: Torsion spring---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Cold coiled helical springs technical specifiations Part 3. Torsion spring
ICS 21.160
J26
National Standards of People's Republic of China
Replacing GB/T 1239.3-1989
Cold coiled helical springs - Technical specifications
Part 3. Torsion springs
Posted 2009-03-16
2009-11-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
GB/T 1239 "Cold coiled helical springs technical conditions" is divided into three parts.
--- Part 1. Tension springs;
--- Part 2. Compression spring;
--- Part 3. Torsion springs.
This part of GB/T 1239 Part 3.
This part is GB/T 1239.3-1989 "Cold coiled helical torsion spring technical conditions" amendments. Remains revision
GB/T 1239.3-1989 "Cold coiled helical torsion spring technology" valid part, no longer suited to the contents of the re
Amendments. The main technical differences between this standard and the revised section as follows.
--- Standard reference material for a comprehensive new investigation, using the latest version has been revised to replace the original standards referenced in the old version;
--- According to GB/T 1805-2001 "spring term" original standard relates to torque, stiffness, deformation and other symbols amended;
--- On the order of the chapters were adjusted to GB/T 1239.1 ~ 1239.3 standard order of sections consistent.
Appendix A to this part of the appendix informative.
This part is proposed by China Machinery Industry Federation.
This part of the spring by the National Standardization Technical Committee (SAC/TC235) centralized.
This section is responsible for drafting unit. Changzhou Ming Kam Spring Co., Ltd., the machine Productivity Promotion Center.
Participated in the drafting of this section. Zhejiang Meili Spring Co., Ltd., Hangzhou Qianjiang Spring Co., Ltd. Zhejiang Jinchang Spring Co., Ltd., North
Beijing Spring Factory, Wuxi abundance of spring Limited.
The main drafters of this section. Jiang Xinrong, Tushi Run, Zhangyong Sen, Wang Wei, He Yongyi, Lu Bacon, Jiang Ying, You Weiming, Zhao Zhipeng.
This part of the standard replaces the previous editions are.
--- GB 1239-1976, GB/T 1239.3-1989.
Cold coiled helical springs - Technical specifications
Part 3. Torsion springs
1 Scope
This section GB/T 1239 provides for cold rolling cross-section helical torsion spring of technical requirements, test methods, inspection rules and packet
Equipment, signs, transportation, storage requirements.
This section applies to cold rolling cross-section helical torsion spring (hereinafter referred to as spring), spring material cross-sectional diameter of greater than or equal
0.5mm.
This section does not apply to the special requirements of the spring.
2 Normative references
The following documents contain provisions which, through reference to GB/T 1239 to the present, constitute provisions of this section. For dated reference documents
Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section
Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this
section.
GB/T 1805 spring term
GB/T 4357-1989 carbon spring steel wire (neqJISG3521. 1984)
GB/T 18983 quenching oil - tempered spring steel wire (GB/T 18983-2003, ISO /FDIS8458-3.1992, MOD)
GB/T 21652 Copper and copper alloy wire
JB/T 7944 sampling inspection helical springs
YB (T) 11 stainless steel wire for springs
YB/T 5311 important use of carbon spring steel wire
YS/T 571 beryllium copper wire
3 Terms and Definitions
GB/T 1805 and established the following terms and definitions apply GB/T 1239 to the present section.
3.1
When the spring characteristic test, the maximum torque of the spring allowed to bear (load) Ts of, in units of N · mm.
3.2
Materials allowed to bear the maximum bending stress σs, the unit is MPa.
4 structure type
Spring structure type in Table 1.
Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 1239.3-2009_English be delivered?Answer: Upon your order, we will start to translate GB/T 1239.3-2009_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time. Question 2: Can I share the purchased PDF of GB/T 1239.3-2009_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 1239.3-2009_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet. Question 3: Does the price include tax/VAT?Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. If you need your currency to be printed on the invoice, please write an email to [email protected]. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay. Question 5: Should I purchase the latest version GB/T 1239.3-2009?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 1239.3-2009 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.
|