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www.ChineseStandard.net Database: 189760 (18 Oct 2025)

GB/T 18618-2009 English PDF

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GB/T 18618-2009: Geometrical Product Specification (GPS) -- Surface texture: Profile method -- Motif parameters
Status: Valid

GB/T 18618: Evolution and historical versions

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
GB/T 18618-2009	English	374	Add to Cart	3 days [Need to translate]	Geometrical Product Specification (GPS) -- Surface texture: Profile method -- Motif parameters	Valid	GB/T 18618-2009
GB/T 18618-2002	English	519	Add to Cart	4 days [Need to translate]	Geometrical product specifications (GPS) Surface texture law graphics parameters	Obsolete	GB/T 18618-2002

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Basic data

Standard ID	GB/T 18618-2009 (GB/T18618-2009)
Description (Translated English)	Geometrical Product Specification (GPS) -- Surface texture: Profile method -- Motif parameters
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	J04
Classification of International Standard	17.040.10
Word Count Estimation	19,138
Date of Issue	2009-11-15
Date of Implementation	2010-09-01
Older Standard (superseded by this standard)	GB/T 18618-2002
Quoted Standard	GB/T 131; GB/T 3505; GB/T 6062; GB/T 10610
Adopted Standard	ISO 12085-1996, IDT
Regulation (derived from)	National Standard Approval Announcement 2009 No.13 (Total No.153)
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 terminology used in the graphic method, definitions and surface texture parameters. This standard specification for the corresponding complete set of operations and the measurement conditions described.

GB/T 18618-2009: Geometrical Product Specification (GPS) -- Surface texture: Profile method -- Motif parameters

---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.
Geometrical Product Specification (GPS) .Surface texture. Profile method.Motif parameters ICS 17.040.10 J04 National Standards of People's Republic of China GB/T 18618-2009/ISO 12085.1996 Replacing GB/T 18618-2002 Geometrical product specifications (GPS) Surface texture Profile method Graphics parameters (ISO 12085.1996, IDT) Posted 2009-11-15 2010-09-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Preface Ⅰ 1 Scope 1 2 Normative references 1 3 Terms and definitions 3.1 Basic terms 1 3.2 Parameter Definition 3 Theory of operation set accurate graphical method 4 5 4.1 Overview 5 Common graphical limit value 4.2 5 4.3 depth 5 Recognition 4.4 Recognition by combining roughness and waviness Graphics Graphics Graphics 6 Step 8 4.5 Parameter Calculation 5 of 10 parameters measurement conditions 5.1 agreed on the lateral movement on the original contour 10 5.2 Recommended measurement conditions 10 5.3 outline quantization step 10 5.4 Assessment Rule 10 5.5 for composite machining surface graphical analysis 10 Note Method 5.6 on the pattern 10 Calculation Method Appendix A (normative) ShapeMerge 11 Relationship between Annex B (informative) Graphical parameters and surface feature 13 Annex C (informative) in the GPS matrix model in the position 14 References 15 GB/T 18618-2009/ISO 12085.1996

Foreword

This standard is identical with ISO 12085.1996 "Geometrical Product Specifications (GPS) Surface texture Profile method - Motif parameters" (English Chinese Version). This standard is equivalent to translate ISO 12085.1996. For ease of use, this standard made the following editorial changes. --- "This International Standard" be replaced by "this standard"; --- Remove the foreword and introduction of international standards. This standard replaces GB/T 18618-2002 "Geometrical Product Specifications (GPS) Surface texture Profile method - Motif parameters." This standard and GB/T 18618-2002 main differences are as follows. --- Added Appendix C, were consistent with international standards. Appendix A of this standard is a normative appendix, Appendix B and Appendix C are informative appendices. The standard dimensions and geometry by the National Technical Committee of Standardization Technical specifications and centralized. This standard was drafted. the machine Productivity Promotion Center, Harbin Measuring & Cutting Tool Group Co., Ltd., China Institute of Metrology. The main drafters of this standard. Wang Xinling, Lang Yan Mei, Nichols Field, Analytical Instrumentation. This standard replaces the standards previously issued as follows. --- GB/T 18618-2002. GB/T 18618-2009/ISO 12085.1996 Geometrical product specifications (GPS) Surface texture Profile method Graphics parameters

1 Scope

This standard specifies the terms, definitions and surface texture parameters for the graphic method. The standard specification of the corresponding full set of operations and measurement conditions are described.

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 131 Geometrical product specifications (GPS) technology products in the surface structure of the file notation (ISO 1302.2002, IDT) GB/T 3505 Geometrical product specifications (GPS) Surface texture Profile method - Terms, definitions and surface texture parameters (ISO 4287.1997, IDT) GB/T 6062 Geometrical product specifications (GPS) Surface texture Profile method of contact (stylus) instruments nominal characteristics (ISO 3274.1996, IDT) GB/T 10610 Geometrical product specifications (GPS) Surface texture Profile method - Rules and procedures for evaluation of the surface structure (ISO 4288.1996, IDT)

3 Terms and Definitions

The following terms and definitions apply to this standard. 3.1 Basic terms 3.1.1 A specified plane intersecting the resulting actual surface contour (see GB/T 3505). 3.1.2 By Ju λ total contour outline after the filter (see GB/T 6062). 3.1.3 Two adjacent contour portion between the lowest point of the contour (see FIG. 1). Figure 1 Contour Single Peak GB/T 18618-2009/ISO 12085.1996

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