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GB/T 24299-2009 English PDF

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US$139.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 24299-2009: Test method for the mechanical life of snap action discs of thermostat bimetal
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 24299-2009	139	Add to Cart	3 days	Test method for the mechanical life of snap action discs of thermostat bimetal	Valid

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Basic data

Standard ID: GB/T 24299-2009 (GB/T24299-2009)
Description (Translated English): Test method for the mechanical life of snap action discs of thermostat bimetal
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H21
Classification of International Standard: 29.120.20
Word Count Estimation: 6,627
Date of Issue: 2009-09-30
Date of Implementation: 2010-02-01
Quoted Standard: GB/T 2900.18
Regulation (derived from): National Standard Approval Announcement 2009 No.10 (Total No.150)
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 thermal bimetal disc yuan (hereinafter referred to as disc component) Test Method and apparatus for mechanical life. This standard applies to indirect heat, dish heating element under the direct heating of working conditions and mixed mechanical life test.

GB/T 24299-2009: Test method for the mechanical life of snap action discs of thermostat bimetal

---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 the mechanical life of snap action discs of thermostat bimetal ICS 29.120.20 H21 National Standards of People's Republic of China Thermal bimetal disc element mechanical life test method Posted 2009-09-30 2010-02-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

The standard proposed by China Electrical Equipment Industrial Association. This standard by the National Standardization Technical Committee for Electrotechnical alloy (SAC/TC228) centralized. This standard was drafted. Baoshan Iron & Steel Co., Ltd., Shanghai Electric Division electrician Material Co., Ltd., Shanghai Electric Co., Ltd. and transport, Buddha Mountain Precision Electrical Alloy Co., Ltd., Guilin Institute of Electrical Science. The main drafters. Zhang Zhongmin, Lu Yao, Feng Yunfu, Shen Yi, Huo Zhiwen, Xie Yongzhong. Thermal bimetal disc element mechanical life test method

1 Scope

This standard specifies thermal bimetal disc element (hereinafter referred to as disc elements) Test Method and apparatus for mechanical life. This standard applies to indirect heating, direct heating element mechanical life test disc and mixed under heating conditions of work.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 2900.18 Electrotechnical term low-voltage electrical

3 Terms and Definitions

In addition to this standard the terms and definitions GB/T 2900.18 provisions, but also uses the following terms and definitions. 3.1 Machined from hot metal into a double disc member, when the temperature changes up and down within a predetermined range, the uneven surface reversibly projecting in opposite directions Jump action. 3.2 Dished element in the product standard temperature range, with the uneven surface temperature change reversible kick action when there is no load cycle Ring count. 3.3 Disc member through a heating operation starts immediately and subsequent action of a cool reply.

4 Test purpose and test conditions

4.1 Test Purposes Disc detection element operating cycles (mechanical life) under no-load conditions. 4.2 Test conditions 4.2.1 test to detect the temperature deviation should not exceed the take-off before the test temperature jump of 5%, or no more than 6 ℃, both the larger election Comparison. 4.2.2 This standard uses air heating, adjustable air flow through the temperature of the heating or cooling element disc. 4.2.3 When the air flow temperature should not be higher than the temperature of the test disc element starts 10 ℃, special requirements agreed by manufacturers and users. 4.2.4 Test operating cycles per hour is preferably not more than 12 times. In order to shorten the test time, allow an increase in the operating cycle frequency, specific Specified by the manufacturer. 4.2.5 Test principle diagram shown in Figure 1. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 24299-2009_English be delivered?

Answer: Upon your order, we will start to translate GB/T 24299-2009_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 24299-2009_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 24299-2009_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+ 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.