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GB/T 39949.2-2021 English PDF

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GB/T 39949.2-2021: Hydraulic fluid power - Mounting dimensions for accessories of single rod cylinder - Part 2: 16 MPa compact series with bores from 25 mm to 220 mm
Status: Valid
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GB/T 39949.2-2021English409 Add to Cart 4 days [Need to translate] Hydraulic fluid power - Mounting dimensions for accessories of single rod cylinder - Part 2: 16 MPa compact series with bores from 25 mm to 220 mm Valid GB/T 39949.2-2021

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Basic data

Standard ID GB/T 39949.2-2021 (GB/T39949.2-2021)
Description (Translated English) Hydraulic fluid power - Mounting dimensions for accessories of single rod cylinder - Part 2: 16 MPa compact series with bores from 25 mm to 220 mm
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard J20
Word Count Estimation 22,235
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 39949.2-2021: Hydraulic fluid power - Mounting dimensions for accessories of single rod cylinder - Part 2: 16 MPa compact series with bores from 25 mm to 220 mm


---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.
Hydraulic fluid power - Mounting dimensions for accessories of single rod cylinder - Part 2.16 MPa compact series with bores from 25 mm to 220 mm ICS 23.100.20 J20 National Standards of People's Republic of China Installation dimensions of hydraulic transmission single rod cylinder accessories Part 2.16MPa cylinder diameter 25mm~220mm Compact series [ISO 8133.2014,Hydraulicfluidpower-Mountingdimensionsfor Released on 2021-03-09 2021-10-01 implementation State Administration of Market Supervision and Administration Issued by the National Standardization Management Committee

Foreword

GB/T 39949 "Installation Dimensions of Hydraulic Drive Single Rod Cylinder Accessories" is divided into 3 parts. ---Part 1.16 MPa medium series and 25 MPa series; ---Part 2.16 MPa Bore 25 mm~220 mm compact series; ---Part 3.16 MPa Bore 250 mm~500 mm compact series. This part is GB/T Part 2 of 39949. This part is in accordance with GB/T 1.1-2009 The rules given are drafted. This section uses the redrafting method to modify and adopt ISO 8133.2014 ``Hydraulic Transmission 16 MPa(160 bar) Compact series single rod cylinder Installation dimensions of ". This part and ISO Compared with 8133.2014, there is a structural difference, and the attachment type of Chapter 6 is added. This part and ISO The technical differences of 8133.2014 and their reasons are as follows. ---Regarding normative reference documents, this section has made adjustments with technical differences to adapt to my country's technical conditions and adjustments. The situation is collectively reflected in Chapter 2 "Normative Reference Documents", and the specific adjustments are as follows. ● Use non-equivalent GB/T that adopts international standards 1184 instead of ISO 2768-2 (see 5.3); ● Adopt GB/T of international standard with modification 1800.2 instead of ISO 286-2 (see 7.1.1); ● Use non-equivalent GB/T that adopts international standards 1804 instead of ISO 2768-1 (see 5.2); ● Use GB/T equivalent to adopting international standards 9094 instead of ISO 6099 (see Chapter 6); ● Use GB/T equivalent to adopting international standards 17446 instead of ISO 5598 (see Chapter 3). --- "Single earring bracket" in accessory type AB2 is modified to "single earring bracket, symmetrical type" (see Chapter 6, Figure 7, Table 7, Example 7, ISO Chapter 1 of 8133.2014, Figure 7, Table 7, Example 7). ---Accessory type AB4 "Double earring bracket, symmetrical type" is modified to "double earring bracket, through hole, symmetrical type" (see Chapter 6, Figure 8, Table 8.Example 8, ISO Chapter 1 of 8133.2014, Figure 8, Table 8, Example 8). ---The drawing of the accessory type AL6 is modified to include the structure diagram of the lock plate, pin shaft, double earrings and screws (see Figure 4, ISO 8133. Figure 4 in.2014). --- Increase the user's use requirements in the swing angle. "(When the user uses it, the swing angle should not exceed ±3°) (see 7.1.2)". This part was proposed by China Machinery Industry Federation. This part is organized by the National Hydraulic and Pneumatic Standardization Technical Committee (SAC/TC 3) Concentration. Drafting organizations of this section. Hefei Changyuan Hydraulic Co., Ltd., Shaoguan City, Guangdong Province, Quality and Metrology Supervision and Testing Institute, Yangzhou City Jiangduyong Jian Co., Ltd., Jiangyin Hongteng Machinery Co., Ltd., Zhejiang University, National Intelligent Manufacturing Equipment Product Quality Supervision and Inspection Center (Zhejiang), North Beijing Machinery Industry Automation Research Institute Co., Ltd. The main drafters of this section. Chen Peng, Hu Shanzhi, Xiao Jiguang, Zhang Honghu, Xue Hongquan, Zhang Junhui, Zheng Zhijian, Cao Qiaohui. Installation dimensions of hydraulic transmission single rod cylinder accessories Part 2.16 MPa Bore 25 mm~220 mm Compact series

1 Scope

GB/T This part of 39949 provides 16 MPa bore is 25 mm~220 mm compact series single rod hydraulic cylinder accessories Install size. This part applies to JB/T The hydraulic cylinder specified in 12706.2. Note. The hydraulic cylinder attachment transmits the load mechanically, and its design is based on the maximum load of the hydraulic cylinder, which is in line with GB/T 2348 and GB/T 2346 rule The cylinder diameter of the hydraulic cylinder is related to the nominal pressure.

2 Normative references

The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article Pieces. For undated reference documents, the latest version (including all amendments) is applicable to this document. GB/T 1184 Shape and position tolerance without tolerance value (GB/T 1184-1996,eqv ISO 2768-2.1989) GB/T 1800.2 Product Geometric Technical Specification (GPS) Linear Dimension Tolerance ISO Code System Part 2.Standard Tolerance Zone Code and limit deviation table of hole and shaft (GB/T 1800.2-2020,ISO 286-2.2010, MOD) GB/T 1804 General tolerance The tolerance of linear and angular dimensions without tolerance (GB/T 1804-2000,eqv ISO 2768-1. 1989) GB/T 9094 Fluid transmission system and component cylinder installation size and installation type code (GB/T 9094-2020,ISO 6099. 2018, IDT) GB/T 17446 Vocabulary of fluid transmission systems and components (GB/T 17446-2012,ISO 5598.2008, IDT)

3 Terms and definitions

GB/T 17,446 The defined terms and definitions apply to this document.

4 Installation size

The installation dimensions of the accessories should be selected from Figure 1 to Figure 11 and the corresponding Table 1 to Table 11.

5 Tolerance

5.1 The installation dimensional tolerances of the accessories should meet the requirements of Figure 1~Figure 11 and the corresponding Table 1~Table 11. 5.2 All tolerance grades of linear and angular dimensions that are not marked in this section should be grade m, marked as. "GB/T 1804-m", should meet GB/T The provisions of 1804. 5.3 All unmarked geometric tolerance grades in this part should be K grade, marked as. "GB/T 1184-K", should meet GB/T Of 1184 Regulations.

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