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GB/T 38774-2020 English PDF

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US$319.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 38774-2020: Adjustable permanent magnetic drives - General technical specifications
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 38774-2020	319	Add to Cart	4 days	Adjustable permanent magnetic drives - General technical specifications	Valid

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Basic data

Standard ID: GB/T 38774-2020 (GB/T38774-2020)
Description (Translated English): Adjustable permanent magnetic drives - General technical specifications
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J19
Classification of International Standard: 21.120.20
Word Count Estimation: 17,164
Date of Issue: 2020-04-28
Date of Implementation: 2020-11-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 38774-2020: Adjustable permanent magnetic drives - General technical specifications

---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.
Adjustable permanent magnetic drives--General technical specifications ICS 21.120.20 J19 National Standards of People's Republic of China General technical specifications of permanent magnet governor 2020-04-28 release 2020-11-01 implementation State Administration of Market Supervision and Administration Issued by the National Standardization Management Committee

Foreword I 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 Type classification and identification 1 5 Model and marking 3 6 Basic parameters 4 7 Technical requirements 8 8 Test method 9 9 Inspection Rules 9 10 Marking, packaging and storage 10 Appendix A (informative appendix) Comparison table of metric model and inch model 12 Appendix B (Informative Appendix) Selection Guide 13 Reference 14

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard is proposed and managed by the National Standardization Technical Committee for Machine Shafts and Accessories (SAC/TC109). This standard was drafted by. Magna Sodium Magnetic Power Co., Ltd., Suzhou Sifu Rui Energy-saving Transmission Technology Co., Ltd., CMC Productivity Promotion Into the center, Wuxi Chuangming Transmission Engineering Co., Ltd., Shanxi Daxin Transmission Technology Co., Ltd., Erzhong (Deyang) Heavy Equipment Co., Ltd., Liaoning China Magnetic Power Technology Co., Ltd. The main drafters of this standard. Ma Zhongwei, Ming Cuixin, Deng Gaojian, Shao Jumin, Hengjing Wu, Chen Demin, Zhang Xinhui, Ma Weiwei, Zhu Yue. General technical specifications of permanent magnet governor

1 Scope

This standard specifies the terms and definitions, type classification and identification, model and mark, basic parameters, technical requirements, and tests of permanent magnet governors. Methods, inspection rules, signs, packaging and storage. This standard applies to the working environment temperature is -45 ℃ ~ 65 ℃, the speed regulation range is 30% ~ 99%, and the transfer nominal torque is 40N · m ~ 30000N · m, and permanent magnet governor with functions of isolating system vibration, buffer starting, overload protection, speed regulation and so on.

2 Normative references

The following documents are essential for the application of this document. For dated references, only the dated version applies to this article Pieces. For the cited documents without date, the latest version (including all amendments) applies to this document. GB/T 3852 Coupling shaft hole and coupling type and size GB/T 3931 Coupling Terminology GB/T 4942.1 Degree of protection (IP code) classification of the overall structure of a rotating electrical machine GB/T 9239.1 Mechanical vibration constant state (rigid) rotor balance quality requirements Part 1.Inspection of specification and balance tolerance GB/T 12458 coupling classification GB/T 13384 General technical requirements for packaging of electromechanical products GB/T 38763 General technical specifications of permanent magnet coupling

3 Terms and definitions

The terms and definitions defined in GB/T 3931 and GB/T 38763 and the following apply to this document. 3.1 Adjustable permanent magnetic drives Connected between the active end and the driven end, through the interaction of the permanent magnetic field and the induced magnetic field to achieve flexible transmission of torque and motion, and at the same time A mechanical device that changes the speed of the driven end by adjusting the air gap.

4 Type classification and identification

4.1 Type classification See Table 1 for the classification of permanent magnet governors. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 38774-2020_English be delivered?

Answer: Upon your order, we will start to translate GB/T 38774-2020_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 38774-2020_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 38774-2020_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+ countries

Question 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.