GB/T 12458-2017 English PDFUS$239.00 ยท In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 12458-2017: Coupling -- Classification Status: Valid GB/T 12458: Historical versions
Basic dataStandard ID: GB/T 12458-2017 (GB/T12458-2017)Description (Translated English): Coupling -- Classification Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: J19 Classification of International Standard: 21.120.20 Word Count Estimation: 12,152 Date of Issue: 2017-05-12 Date of Implementation: 2017-12-01 Older Standard (superseded by this standard): GB/T 12458-2003 Quoted Standard: GB/T 3507; GB/T 3852; GB/T 3931 Issuing agency(ies): General Administration of Quality Supervision,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 classification and model representation of the coupling. This standard applies to couplings. GB/T 12458-2017: Coupling -- Classification---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.Coupling - Classification ICS 21.120.20 J19 National Standards of People's Republic of China Replacing GB/T 12458-2003 Coupling classification 2017-05-12 released 2017-12-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of the People 's Republic of China China National Standardization Management Committee released ForewordThis standard is drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 12458-2003 "Coupling classification". This standard compared with GB/T 12458-2003, in addition to editorial The main technical changes are as follows. --- 5.2, the title of the article changed to "the coupling of the group code, variety code, structure type code", the other part of the modified to 5.2 content; --- modified the plum-shaped elastic coupling and elastic pin pin coupling type of classification. This standard is proposed and assigned by the National Committee on Standardization of Machine Shaft and Accessories (SAC/TC109). This standard drafting unit. in the machine productivity promotion center, Yueqing City coupling plant, Zhejiang Huatai Coupling Co., Ltd., Deyang Rieter Foundation Co., Ltd., Wuhan Zhengtong Transmission Technology Co., Ltd. The main drafters of this standard. Ming Cui new, Huang Xiaojing, Li Haibin, Zheng Xiangping, Liu Xuguang, Yu Xiao lock. This standard replaced the previous version of the standard release. --- GB/T 12458-1990, GB/T 12458-2003. Coupling classification1 ScopeThis standard specifies the classification and model representation of couplings. This standard applies to couplings.2 normative reference documentsThe following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article Pieces. For undated references, the latest edition (including all modifications) applies to this document. GB/T 3507 Couplings Nominal Torque Series GB/T 3852 Coupling shaft hole and coupling type and dimensions GB/T 3931 Coupling Terminology3 terms and definitionsThe terms and definitions defined in GB/T 3931 apply to this document.4 coupling classification4.1 Rigid coupling 4.1.1 flange coupling 4.1.1.1 Flange Coupling (Basic) 4.1.1.2 has a pair of dowel flange coupling 4.1.1.3 has a center flange coupling 4.1.1.4 Flange coupling with guard edge 4.1.2 Radial key rigid coupling 4.1.2.1 Radial key rigid coupling (basic type) 4.1.2.2 Movable radial key Rigid coupling 4.1.3 Parallel shaft coupling 4.1.3.1 Rolling bearing type Parallel shaft coupling 4.1.3.2 Plain bearing type Parallel shaft coupling 4.1.4 clamping shell coupling 4.1.4.1 Bolt clamping clamp coupling 4.1.4.2 Clamp clamping clamp coupling ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 12458-2017_English be delivered?Answer: Upon your order, we will start to translate GB/T 12458-2017_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 12458-2017_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 12458-2017_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 Sales@ChineseStandard.net. 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 12458-2017?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 12458-2017 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. |
