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GB/T 35472.4-2017 English PDF

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US$359.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 35472.4-2017: Test method for friction element of wet automatic transmission -- Part 4: High-speed stepped power test method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 35472.4-2017	359	Add to Cart	4 days	Test method for friction element of wet automatic transmission -- Part 4: High-speed stepped power test method	Valid

Similar standards

GB/T 37208 GB/T 37224 GB/T 34007 GB/T 35472.3 GB/T 35472.5 GB/T 35472.2

Basic data

Standard ID: GB/T 35472.4-2017 (GB/T35472.4-2017)
Description (Translated English): Test method for friction element of wet automatic transmission -- Part 4: High-speed stepped power test method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Q69
Classification of International Standard: 43.040.40
Word Count Estimation: 18,176
Date of Issue: 2017-12-29
Date of Implementation: 2018-11-01
Regulation (derived from): National Standards Bulletin 2017 No. 32
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

GB/T 35472.4-2017: Test method for friction element of wet automatic transmission -- Part 4: High-speed stepped power test method

---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.
Test method for friction element of wet automatic transmission - Part 4. High-speed stepped power test method ICS 43.040.40 Q69 National Standards of People's Republic of China Wet Automatic Transmission Friction Elements Test Method Part 4. high speed power increment test method Part 4.High-speedsteppedpowertestmethod 2017-12-29 Posted 2018-11-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released

Foreword

GB/T 35472 "wet automatic transmission friction element test method" is divided into the following seven sections. --- Part 1. Terms and definitions; --- Part 2. SZBL friction test machine use guide; --- Part 3. Low speed power increment test method; --- Part 4. High-speed power increment test method; --- Part 5. Durability test methods; --- Part 6. Test methods for the relationship between friction performance and pressure, speed and temperature; --- Part 7. Belt friction test method. This section GB/T 35472 Part 4. This section drafted in accordance with GB/T 1.1-2009 given rules. This part is proposed by China Building Materials Federation. This part of the National Non-metallic Mineral Products and Products Standardization Technical Committee (SAC/TC406) centralized. This part of the drafting unit. Lin'an Hualong Friction Materials Co., Ltd., Chongqing Wang Cheng Technology Co., Ltd., Chengdu Jun Ma Seal Technology Co., Ltd., Xianyang Institute of Non-metallic Minerals Research and Design Institute Co., Ltd., Northwestern Polytechnical University. The main drafters of this section. Zhu Mianpeng, Xu Nanhan, Wu Yinjian, Xu Jinxi, Cheng Jing, Gao Guanying, Shi Zhigang, Fu Ye Wei, Du Ming, Duan Yaping. Wet Automatic Transmission Friction Elements Test Method Part 4. high speed power increment test method

1 Scope

GB/T 35472 provisions of this part of the SZBL friction test machine at 6000r/min power increment test test set Preparation, typical test conditions and parameters, test procedures, data acquisition and results reporting. This section applies to evaluate wet friction element with the power level changes. This section does not apply to evaluate the initial friction coefficient or run-in characteristic.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 35472.1 wet automatic transmission friction element test methods - Part 1. Terms and definitions GB/T 35472.2 wet automatic gearbox friction element test methods - Part 2 .SZBL friction test machine use guide

3 test equipment

The test equipment is a SZBL type friction tester with static engagement device. Its performance and accuracy should be consistent with the provisions of GB/T 35472.2. The configuration of its inertia should be consistent with the provisions of Table 1. Table 1 The initial inertia required for 6000r/min Ascending order of power Total inertia/(kg · m2) Incremental inertia/(kg · m2) Total energy/kJ 1 0.151 Dynamic Motor A 29.84 2 0.166 0.015 32.69 3 0.180 0.014 35.53 4 0.194 0.014 38.37 5 0.209 0.015 41.21 6 0.223 0.014 44.06 7 0.238 0.015 46.90 8 0.252 0.014 49.73 9 0.266 0.014 52.58 10 0.281 0.015 55.42 11 0.295 0.014 58.27 12 0.310 0.015 61.10 13 0.324 0.014 63.99 ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 35472.4-2017_English be delivered?

Answer: Upon your order, we will start to translate GB/T 35472.4-2017_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 35472.4-2017_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 35472.4-2017_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+ 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.