GB/T 17421.6-2016 English PDF

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GB/T 17421.6-2016: Test code for machine tools -- Part 6: Determination of positioning accuracy on body and face diagonals (Diagonal displacement tests)
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 17421.6-2016	194	Add to Cart	3 days	Test code for machine tools -- Part 6: Determination of positioning accuracy on body and face diagonals (Diagonal displacement tests)	Valid

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GB/T 24343   GB/T 24344   GB 15760   GB/T 17421.2   GB/T 17421.1   GB/T 17421.10   

Basic data

Standard ID: GB/T 17421.6-2016 (GB/T17421.6-2016)
Description (Translated English): Test code for machine tools -- Part 6: Determination of positioning accuracy on body and face diagonals (Diagonal displacement tests)
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J50
Classification of International Standard: 25.040.20
Word Count Estimation: 10,144
Date of Issue: 2016-04-25
Date of Implementation: 2016-11-01
Quoted Standard: GB/T 17421.3-2009; GB/T 17421.4-2003; ISO 230-1-1996; ISO 230-2-1997
Adopted Standard: ISO 230-6-2002, IDT
Regulation (derived from): National Standard Announcement No
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

GB/T 17421.6-2016: Test code for machine tools -- Part 6: Determination of positioning accuracy on body and face diagonals (Diagonal displacement tests)

---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.
Test code for machine tools - Part 6. Determination of positioning accuracy on body and face diagonals (Diagonal displacement tests) ICS 25.040.20 J50 National Standards of People's Republic of China General rules for machine inspection Part 6. determination of the accuracy of the position of the body and the diagonal (Diagonal displacement test) Testcodeformachoolsools-Part 6. Determination ofpositioningaccuracy onbodyandfacediagonals (Diagonaldisplacementtests) (ISO 230-6..2002, IDT) 2016-04-25 released 2016-11-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of the People 's Republic of China China National Standardization Management Committee released

Foreword

GB/T 17421 "Machine Testing General" is divided into 11 parts. - Part 1. Geometrical accuracy of machine tools under no load or finishing conditions; - Part 2. Determination of positioning accuracy and repeated positioning accuracy of NC axis; Part 3. Determination of thermal effects; - Part 4. Circular inspection of CNC machine tools; - Part 5. Determination of noise emission; Part 6. Determination of the accuracy of the position of the body and the diagonal (diagonal displacement test); - Part 7. Geometric precision inspection of the rotary axis; - Part 8. Vibration (technical report); Part 9. GB/T 17421 Machine tool inspection series of standards for the uncertainty of the basic formula (technical report); Part 10. Determination of measurement performance of CNC machine tools; - Part 11. Measuring instruments for geometrical accuracy of machine tools (technical report). This part is part 6 of GB/T 17421. This part is drafted in accordance with the rules given in GB/T 1.1-2009. This part uses the translation method equivalent to ISO 230-6..2002 "Machine Testing General Part 6. Body and face-to-face position accuracy Determine (diagonal displacement check) ". And the normative reference in this part of the international documents have a consistent correspondence between the following documents. General rules for machine tool inspection - Part 1. Geometrical accuracy of machine tools under no - load or finishing conditions GB/T 17421.1-1998. (eqvISO 230-1..1996) GB/T 17421.2-2000 General rules for machine tool inspection - Part 2. Definitions of positioning accuracy and repeated positioning accuracy for NC axes (EqvISO 230-2..1997) This section compares with ISO 230-6..2002 as follows. - the statement to be applied to international standards should be changed to the expression applicable to our standards; --- Fixed errors in international standards (see 3.2). This part is made by the China Machinery Industry Federation. This part of the National Metal Cutting Machine Standardization Technical Committee (SAC/TC22) centralized. This part of the drafting unit. Beijing Kai En Di CNC technology limited liability company, the State Machine Tool Quality Supervision and Inspection Center, Shenyang Machine Tool (set Group) limited liability company. The main drafters of this part. Teng Libo, Zhang Wei, Li Xiangwen, Li Jun, Yang Hongli, Li Shulin, Chen Yanyan. General rules for machine inspection Part 6. determination of the accuracy of the position of the body and the diagonal (Diagonal displacement test)

1 Scope

This part of GB/T 17421 specifies a diagonal displacement test, through which the spatial performance of the machine can be estimated. On the machine A complete test of spatial performance is a difficult and time-consuming process. Diagonal displacement testing reduces the time and cost of detecting spatial performance. The diagonal displacement test itself is not a self-diagnostic test procedure, although it is sometimes possible to derive diagnostic properties from the test results in conclusion. In particular, when a diagonal check is included, a direct measurement of the axis perpendicularity can be made. Diagonal diagonally diagonally diagonally The inspection can be supplemented by face-to-face inspection, verified by ISO 230-2 parallel to the machine axis, or by basis GB/T 17421.4-2003 defined in the three coordinate plane generated contours to achieve the evaluation. Diagonal displacement check can be used for machine acceptance, can also be used to re-confirm the performance of the machine, which will test parameters used as a ratio More indicators.

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. General rules for machine tool inspection - Part 3. Determination of thermal effects (ISO 230-3..2001, IDT) GB/T 17421.3-2009. GB/T 17421.4-2003 General rules for machine inspection - Part 4. Circular inspection of CNC machine tools (ISO 230-4..1996, IDT) ISO 230-1..1996 General principles for machine inspection - Part 1. Geometrical accuracy of machine tools under no load or finishing conditions ISO 230-1..1996 ISO 230-2..1997 General rules for machine inspection - Part 2. Determination of positioning accuracy and repeatability of NC axes

3 terms and definitions

The following terms and definitions apply to this document. 3.1 Working space The machine is used for machining operations defined by the space defined by the linear axis travel (not including the stroke for auxiliary operation, such as tool change, etc.). 3.2 Body diagonal bodydiagonal The working diagonal of the rectangular parallelepiped in the working space of the machine is shown in Fig. Note 1. The workspace defines 4 body diagonals. Note 2. The user can name the body diagonal with the starting point of the diagonal of the body, for example, X YZ is the volume from the start point X YZ to the end point -XY Z diagonal. Another method of naming is to use the NNP method (X negative, Y negative, Z positive, travel direction). 3.3 Face line A diagonal in a plane of a rectangular parallelepiped. ......

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