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GB 26484-2011: [GB/T 26484-2011] Noise limits for hydraulic press
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB 26484-2011 | English | 159 |
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[GB/T 26484-2011] Noise limits for hydraulic press
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GB 26484-2011
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Basic data | Standard ID | GB 26484-2011 (GB26484-2011) | | Description (Translated English) | [GB/T 26484-2011] Noise limits for hydraulic press | | Sector / Industry | National Standard | | Classification of Chinese Standard | J62 | | Classification of International Standard | 25.120.10 | | Word Count Estimation | 6,627 | | Date of Issue | 2011-05-12 | | Date of Implementation | 2012-01-01 | | Quoted Standard | GB/T 23281; GB/T 23282 | | Regulation (derived from) | Announcement of Newly Approved National Standards No. 6 of 2011 | | 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 Chinese standard specifies the hydraulic machine sound power level and sound pressure level of the noise limits. This standard applies to all types of hydraulic machines, such as single-column hydraulic press, four-column hydraulic machine. | GB 26484-2011: [GB/T 26484-2011] Noise limits for hydraulic press---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.
Noise limits for hydraulic press
ICS 25.120.10
J62
National Standards of People's Republic of China
Hydraulic noise limit
Issued on. 2011-05-12
2012-01-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
3.2 This standard is mandatory, the rest are recommended.
Accordance with the standards GB/T 1.1-2009. Drafting Rules "Standardization Guide Part 1 standard structure and preparation of" given.
The standard proposed by China Machinery Industry Federation.
This standard by the National Forging Machinery Standardization Technical Committee (SAC/TC220) centralized.
This standard was drafted. Hefei Metalforming Machine Co., Ltd., Jinan Foundry and Metalforming Machinery Research Institute Co., Ltd., Shenzhen City, measuring Detection Technology
Limited surgery.
The main drafters of this standard. Wang Yushan, Ma Liqiang, Gui was, Zhu Ping, Sun Huashan.
Hydraulic noise limit
1 Scope
This standard specifies the hydraulic machine sound power level and sound pressure level of the noise limits.
This standard applies to all types of hydraulic machines, such as a single-column hydraulic machine, four-column hydraulic machine.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 23281 Forging Machinery noise level measurement method
GB/T 23282 forging machinery sound power level measurement
3 noise limits
3.1 hydraulic machine sound power level limits
Hydraulic machine during continuous idling noise A-weighted sound power level LWA shall not exceed specified in Table 1.
Table 1
Nominal power/kN limit sound power level LWA/dB (A)
≤1600 90
> 1600 - 400 094
> 4000 ~ 10,000,102
> 10,000 to 20,000,110
> 20,000,120
3.2 hydraulic pressure level noise limits
Hydraulic continuous dry run at a predetermined noise A-weighted sound pressure level LpA shall not exceed the position specified in Table 2.
Table 2
Nominal power/kN SPL limit LpA/dB (A)
≤1600 80
> 1600 - 400 083
> 4000 ~ 1000087
> 10,000 to 2,000,090
> 2000090
4 Measurement
4.1 noise level measurement method
Noise level measurement of hydraulic machines shall comply with GB/T 23281 of.
4.2 sound power level measurement
Sound power level measurement of hydraulic machines shall comply with GB/T 23282 of.
4.3 Noise Measurement Description
4.3.1 factory test only measures the noise level.
4.3.2 The new design or improve the design, technology, materials, new products after the noise level should be measured during the performance test; can then measure the noise
Sound power level to the noise level of conformity assessment basis.
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