|
US$209.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 24298-2009: Standard test method for cross curvature of thermostat metals
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 24298-2009 | English | 209 |
Add to Cart
|
3 days [Need to translate]
|
Standard test method for cross curvature of thermostat metals
| Valid |
GB/T 24298-2009
|
PDF similar to GB/T 24298-2009
Basic data | Standard ID | GB/T 24298-2009 (GB/T24298-2009) | | Description (Translated English) | Standard test method for cross curvature of thermostat metals | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H21 | | Classification of International Standard | 29.120.20 | | Word Count Estimation | 9,939 | | Date of Issue | 2009-09-30 | | Date of Implementation | 2010-02-01 | | Quoted Standard | GB/T 2900.4 | | Adopted Standard | ASTM B478-1985 (R2003), MOD | | 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, strip lateral bending measurement method, measuring device, sampling, sample preparation and calculation formulas and so on. This standard applies to boast curved lateral thermal bimetal measurements also apply to other materials lateral bending of precise measurements. This standard does not address all of the safety elements of the contents before using this standard, the user has the responsibility to develop appropriate safety regime. | GB/T 24298-2009: Standard test method for cross curvature of thermostat metals---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.
Standard test method for cross curvature of thermostat metals
ICS 29.120.20
H21
National Standards of People's Republic of China
Thermal bimetallic lateral bending 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
This standard ASTMB478. 1985 "Thermal bimetallic transverse bending test method" (2003 review confirm) to modify the degree of consistency
use. This standard is based on ASTMB478. 1985 (R2003) redrafted. The standard lists the reg number in Appendix A and
ASTMB478. 1985 reg control list numbered.
This standard ASTMB478. 1985 (R2003) compared to the main technical differences are detailed in Appendix C.
--- To facilitate the use of standards, increased lateral bending radius of curvature of the formula;
--- To meet the environmental conditions of the laboratory, the test temperature from 24 ℃ ± 0.5 ℃ adjusted to 24 ℃ ± 2 ℃.
For ease of use, for ASTMB478. 1985 standard also made the following editorial changes.
--- Provided in Chapter 2, "Normative references";
--- The ASTMB478. 1985 (R2003) for "term" is no longer listed, direct reference to GB/T 2900.4 "Electrotechnical Terminology
Electrical Alloy ";
--- Remove the standard use of little significance, "the meaning and application", "sampling" and "keywords" content such as chapters;
--- Removed ASTMB478. 1985 (R2003) Chapter 11, an increase of Appendix B.
This standard Annex A, Annex B, Annex C is informative appendix.
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. Foshan Electrical Precision Alloy Co., Ltd., Baoshan Iron & Steel Co., Ltd. Special Steel Branch, Shanghai Electric Power Bureau
Engineering Materials Co., Ltd., Shanghai Electric Co., Ltd. and transport, Guilin Institute of Electrical Science.
The main drafters of this standard. Huo Zhiwen, Zhang Zhongmin, Lu Yao, Feng Yunfu, Shen Yi, Xie Yongzhong.
Thermal bimetallic lateral bending test method
1 Scope
This standard specifies thermal bimetal strip lateral bending of the measuring method, measuring apparatus, sampling, sample preparation and calculation formulas and the like.
This standard applies to the measurement of thermal bimetal curved transversely, also applicable to other materials lateral bending of accurate measurement.
This standard does not address all of the safety elements contents before using this standard, the user has the responsibility to develop appropriate security regime.
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 2900.4 Electrotechnical terminology - Electrical Alloy
3 Terms and Definitions
Terms and definitions GB/T 2900.4 established apply to this standard.
4 measuring principle
Lateral bending measurements is shown in Figure 1. measurement of thermal bimetal sample the entire width (L) from the plane deviation (chord C). The sample was put
On the pad dedicated measurement apparatus, convex upward, with a depth micrometer to measure the highest point of the sample to the pad plane distance meter by formula
Operators obtain lateral bending and lateral bending radius of curvature of the specimen.
Note. Under normal circumstances, the highest point in the center of the specimen at (or near).
FIG. 1 a schematic cross-curvature measurement method
5 measurement device
5.1 Fixtures
Typical measurement of lateral bending fixture structure diagram shown in Figure 2, the device consists of a base reference plane, brackets, rails, depth micrometer, flat
And electrical contact pad row pointer constituted on the end face of the base as the reference plane, it is above the moving rail, the rail and the reference plane parallel to the track
A movable track assembly bracket.
Depth of 5.2 micrometer
Minimum scale value should be less than 0.002mm, the measurement should be made spherical rod end or tip, is fixed to the mobile holder can guide
Looking to move on the highest point of the specimen along the specimen width direction.
Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 24298-2009_English be delivered?Answer: Upon your order, we will start to translate GB/T 24298-2009_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 24298-2009_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 24298-2009_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.
|