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GB/T 33211-2016: Guideline for design of metal tubular hydroforming part
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GB/T 33211-2016: Guideline for design of metal tubular hydroforming part

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Guide line for design of metal tubular hydroforming part ICS 25.010 J32 National Standards of People's Republic of China Metallic tubular hydroforming parts - Design requirements 2016-12-13 released 2017-07-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China China National Standardization Management Committee released

Foreword

This standard is drafted in accordance with the rules given in GB/T 1.1-2009. This standard is proposed and centralized by the National Standardization Technical Committee for Forging (SAC/TC74). The drafting of this standard unit. Baoshan Iron and Steel Co., Ltd., Beijing Institute of Electrical and Mechanical. The main drafters of this standard. Chen Xinping, Jiang Haomin, Su Haibo, Wu Lei, Zhou Lin, Wei Wei, Chen Wenjing, Jin Hong Metallic tubular hydroforming parts - Design requirements

1 Scope

This standard specifies the choice of raw material selection, space bending shape and cross-section design of metal tubular hydraulic forming parts. This standard is suitable for the design of space three-dimensional metal tubular hydraulic forming parts.

2 normative reference documents

The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article Pieces. For undated references, the latest edition (including all modifications) applies to this document. Metallic materials - Tensile testing - Part 1. Test methods for room temperature GB/T GB/T 15825.2 Sheet metal forming properties and test methods - Part 2. General test procedures

3 symbols

The symbols, names and units used in this standard are shown in Table 1. Table 1 Symbols, names and units Symbol name unit φ diameter mm t wall thickness mm r bending radius mm θ bending angle (°) L section circumference mm L0 original tube circumference mm β bulging% Rmin part minimum fillet radius mm Figure 1 for the diameter φ and wall thickness t diagram, Figure 2 for the bending radius r and bending angle θ schematic, Figure 3 for the minimum radius of the radius Illustration. Fig.1 Schematic diagram of pipe diameter φ and wall thickness t ...