GB/T 39967-2021 English PDF

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GB/T 39967-2021: 5-axis simultaneous machining center - Accuracy of S-shaped test piece
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 39967-2021	929	Add to Cart	7 days	5-axis simultaneous machining center - Accuracy of S-shaped test piece	Valid

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Basic data

Standard ID: GB/T 39967-2021 (GB/T39967-2021)
Description (Translated English): 5-axis simultaneous machining center - Accuracy of S-shaped test piece
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J50
Word Count Estimation: 50,569
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 39967-2021: 5-axis simultaneous machining center - Accuracy of S-shaped test piece

---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.
5-axis simultaneous machining center - Accuracy of S-shaped test piece ICS 25.040.10 J50 National Standards of People's Republic of China Five-axis machining center S-shaped specimen accuracy inspection Released on 2021-03-09 2021-10-01 implementation State Administration of Market Supervision and Administration Issued by the National Standardization Management Committee

Table of contents

Foreword Ⅰ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 Specimen geometry definition 3 5 Definition of blank 6 6 Processing 7 7 Inspection 11 8 Inspection report 15 Appendix A (informative appendix) S-shaped specimen STEP model file 17 References 46

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by the China Machinery Industry Federation. This standard is under the jurisdiction of the National Standardization Technical Committee for Metal Cutting Machine Tools (SAC/TC22). Drafting organizations of this standard. Chengdu Aircraft Industry (Group) Co., Ltd., National Machine Tool Quality Supervision and Inspection Center, University of Electronic Science and Technology of China, Tsinghua University, Qinchuan Machine Tool Group Co., Ltd., Chengdu Price CNC Machine Tool Co., Ltd., Kede CNC Co., Ltd., Dalian Polytechnic University. The main drafters of this standard. Mou Wenping, Zhang Wei, Zhu Shaowei, Huang Zuguang, Wang Wei, Wang Liping, Chen Yanyan, Li Shulin, Chen Hu, Xiao Hong, Liu Haibo, Li Xiangwen, Hu Wanliang. Five-axis machining center S-shaped specimen accuracy inspection

1 Scope

This standard specifies the geometric definition, blank definition, processing, inspection and inspection report of the S-shaped specimen of the five-axis machining center. This standard applies to five-axis linkage machining centers that can process S-shaped specimens by side milling of curved surfaces through five-axis linkage.

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 11336-2004 Straightness error detection

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Ruledsurface A curved surface formed by a cluster of straight line segments. Note. The ruled surface is shown in Figure 1, and its parameter equation is shown in equation (1). Su,ν = 1-ν ×C0u ν×C1u u∈ 0,1],ν∈ [0,1 (1) Description. C0(u), C1(u)---defined space curve in the same parameter interval u(0,1); u,ν ---u-direction and ν-direction parameters; S(u,ν) ---The curved surface formed by moving the generatrix on the curves C0(u) and C1(u); P0, P1 --- bus terminal; K0,K1 ---The normal vector of the surface S(u,ν) at P0 and P1. Figure 1 Ruled surface ......

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