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GB/T 23573-2009 English PDF

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US$189.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 23573-2009: Metal-cutting machine tools -- Determination method of dust concentration
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 23573-2009	189	Add to Cart	3 days	Metal-cutting machine tools -- Determination method of dust concentration	Valid

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Basic data

Standard ID: GB/T 23573-2009 (GB/T23573-2009)
Description (Translated English): Metal-cutting machine tools -- Determination method of dust concentration
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J50
Classification of International Standard: 25.080.01
Word Count Estimation: 8,834
Date of Issue: 2009-04-13
Date of Implementation: 2010-01-01
Quoted Standard: GB/T 17061
Regulation (derived from): National Standard Approval Announcement 2009 No.5 (Total No.145)
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 production of metal-cutting machine tools filter dust concentration measurement method. This standard applies to the production of dust often produce metal cutting machine tools (hereinafter referred to as the machine).

GB/T 23573-2009: Metal-cutting machine tools -- Determination method of dust concentration

---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.
Metal-cutting machine tools. Determination method of dust concentration ICS 25.080.01 J50 National Standards of People's Republic of China Metal cutting machine dust concentration measurement method Posted 2009-04-13 2010-01-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

Appendix A of this standard is an informative annex. The standard proposed by China Machinery Industry Federation. The standard metal cutting machine tools by the National Standardization Technical Committee (SAC/TC22) centralized. This standard was drafted. Beijing Second Machine Tool Plant Co., Ltd., Beijing Machine Tool Research Institute. The main drafters. Zhang Xiulan, Zhang Wei, Wang Bo, Lixiang Wen, Zhang Wei. This standard is the first release. Metal cutting machine dust concentration measurement method

1 Scope

This standard specifies the production of metal cutting machine tools filter dust concentration measurement. This standard applies to regularly generate dust production of metal-cutting machine tools (hereinafter referred to as the machine).

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 17061 workplace air sampling equipment specifications

3 Terms and Definitions

The following terms and definitions apply to this standard. 3.1 Mass per unit volume of dust in the air, in units of milligrams per cubic meter (mg/m3).

4 General requirements

4.1 measuring machine dust concentration, dust is generated around the other machine should be stopped. Measuring 4.2 machine dust concentration should be under normal operating conditions specified in the design prone to dust under cutting conditions of work or larger 30min after. There suction device machine, vacuum devices should be in working condition. 4.3 before and after sampling, weighing filters should use the same analytical balance. 4.4 measuring dust filters usually with a static, it affects the accuracy of weighing and, therefore, should be removed before each weighing static electricity.

5 measuring principle

Machine tools with dust collection filter of known mass, the incremental mining and gas membrane machine dust concentration is calculated.

6 Measuring Tools

Dust concentration measuring tool, mainly in the following measuring instruments and apparatus. --- With a diameter of 40mm of vinyl chloride or other measuring dust filter membrane; --- Dust sampler. Includes sampling and sample clip in two parts, the performance and technical specifications should be consistent with the provisions of GB/T 17061; and --- Analytical balance. a sense of the amount of 0.1mg; --- Stopwatch or other timer; --- Dryers. built-in color gel; ---tweezers; --- In addition to static.

7 Measurement

7.1 Membrane preparations 7.1.1 Drying. pre-weighing, the filter was placed in the dryer for more than 2h. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 23573-2009_English be delivered?

Answer: Upon your order, we will start to translate GB/T 23573-2009_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 23573-2009_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 23573-2009_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.