GB/T 16462.5-2025Test conditions for numerically controlled turning machines and turning centres - Part 5: Accuracy of speeds and interpolations (English PDF)

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1: Structure and Drafting Rules of Standardization Documents".

Drafting.

This document is Part 5 of GB/T 16462 "Inspection Conditions for CNC Lathes and Turning Centers". GB/T 16462 has been published as follows.

Part 2.

---Part 1: Geometric Accuracy Inspection of Horizontal Machine Tools;

---Part 2: Geometric Accuracy Inspection of Vertical Machine Tools;

---Part 3: Geometric Accuracy Inspection of Inverted Vertical Machine Tools;

---Part 4: Inspection of Positioning Accuracy and Repeatability of Linear and Rotary Axes;

---Part 5: Speed and Interpolation Accuracy Verification;

---Part 6: Precision Inspection of Finished Specimens;

---Part 7: Evaluation of Profile Properties in the Coordinate Plane;

---Part 8: Assessment of thermal deformation.

This document replaces GB/T 16462.5-2017 "Inspection conditions for CNC lathes and turning centers - Part 5: Feed rate, speed and interpolation".

Compared with GB/T 16462.5-2017, the main technical changes in "Accuracy Inspection" are as follows, except for structural adjustments and editorial modifications.

a) A "Terms and Definitions" section has been added (see Chapter 3);

b) The content related to angular dimensions, deviations, and corresponding tolerances in the "Units of Measurement" section has been removed (see section 3.1 of the 2017 edition);

c) Added "Should comply with GB/T 17421.4-2016" (see 4.2);

d) The description of "Inspection Tools" has been revised (see 4.5, 3.5 in the 2017 edition);

e) Added requirements for "software compensation" (see 4.6);

f) The inspection items were changed. "Motion accuracy inspection" was split according to machine tool structure type, and a new item was added related to "machine tool structure type".

For content related to "naming" (see Chapter 5, Appendix A, Appendix B, Appendix C, and Chapter 4 of the 2017 edition);

g) The term "axis" in references to motion, feed, or interpolation in the documents has been changed to "axis" (see Chapter 1 of the 2017 edition).

4.2, 4.3, 4.4, K2, K4, K5);

h) The feed rate sub-item "a) 100 mm/min" has been removed from the linear axis feed rate accuracy inspection item (see K2 in the 2017 version);

i) The descriptive content of the circular interpolation accuracy inspection item for three-axis (X, Y, and C axes) linkage has been modified (see A.2.7.6 in the appendix).

B.2.7.6, C.2.7.6 (K6 in Chapter 4 of the 2017 edition)

j) Some testing tools and diagrams have been modified (see Appendix A, Appendix B, Appendix C, Chapter 4, K1, K2, K3, K4 of the 2027 edition).

K5, K6);

k) The inspection plane and some feed rates in the inspection items in the appendix have been changed (see A.2.7.4, A.2.7.5, B.2.7.4, B.2.7.5 in the appendix).

C.2.7.4, C.2.7.5, Chapter 4, K4 and K5 of the 2017 edition.

This document is modified to adopt ISO 13041-5:2015 "Inspection conditions for CNC lathes and turning centers – Part 5: Speed and interpolation accuracy".

test".

The technical differences between this document and ISO 13041-5:2015, and the reasons therefor, are as follows.

---The tolerances "0.05" and "0.07" in the international standards AK4, BK4, and CK4 are revised to "0.03" and "0.05" respectively. The international standards refer to...

The initial standard was too low; the revised standard is more in line with the actual situation of CNC lathes and turning centers in my country.

---The tolerances "0.07" and "0.09" in the international standards AK5, BK5, and CK5 are revised to "0.05" and "0.07" respectively. The international standards refer to...

The initial standard was too low; the revised standard is more in line with the actual situation of CNC lathes and turning centers in my country.

---Change the terms and definitions in the international standards to "GB/T 16462.1-2023, GB/T 16462.2-2023 and..." the terms and definitions defined in GB/T 16462.3-2017 apply to this document, as the terms and definitions in those documents have already been covered.

Cover all;

---ISO 230-1 has been replaced with the normatively referenced GB/T 17421.1-2023 to adapt to my country's technical conditions and increase operability.

Functional properties (see 4.2, A.2.7.3, B.2.7.3, C.2.7.3);

---ISO 230-4 has been replaced with the normatively referenced GB/T 17421.4-2016 to adapt to my country's technical conditions and increase operability.

(See 4.2, A.2.7.4, A.2.7.5, B.2.7.4, B.2.7.5, C.2.7.4, C.2.7.5, D.2.4, D.3.3);

---ISO 841 has been replaced with the normatively referenced GB/T 19660-2005 to adapt to my country's technical conditions and increase operability.

(See A.1, B.1, C.1).

Please note that some content in this document may involve patents. The issuing organization of this document assumes no responsibility for identifying patents.

This document was proposed by the China Machinery Industry Federation.

This document is under the jurisdiction of the National Technical Committee on Standardization of Metal Cutting Machine Tools (SAC/TC22).

Introduction

GB/T 16462 "Inspection Conditions for CNC Lathes and Turning Centers" is a general standard for the inspection of CNC lathes and turning centers, establishing the inspection standards for CNC lathes and turning centers.

Principles and requirements for the accuracy and performance inspection of lathes and turning centers.

GB/T 16462 "Inspection Conditions for CNC Lathes and Turning Centers" is proposed to consist of eight parts.

---Part 1: Geometric Accuracy Inspection of Horizontal Machine Tools. The purpose is to standardize the geometric accuracy inspection of CNC horizontal lathes and turning centers.

Methods and corresponding requirements.

---Part 2: Geometric Accuracy Inspection of Vertical Machine Tools. The purpose is to standardize the geometric accuracy inspection of CNC vertical lathes and turning centers.

Methods and corresponding requirements.

---Part 3: Geometric Accuracy Inspection of Inverted Vertical Machine Tools. The purpose is to standardize the geometric accuracy inspection of inverted CNC vertical lathes and inverted vertical turning processes.

Methods for verifying the geometric accuracy of a heart and corresponding requirements.

---Part 4: Inspection of Positioning Accuracy and Repeatability of Linear and Rotary Axes. The purpose is to standardize the operation of CNC lathes and turning processes.

Methods for verifying the positional accuracy of the center's linear and rotational axes, and corresponding requirements.

---Part 5: Speed and Interpolation Accuracy Inspection. The purpose is to standardize the spindle speeds of CNC lathes and turning centers, and the linearity of various CNC components.

Verification of the feed rate of the axes and the motion accuracy of the trajectories generated by the simultaneous movement of two or more linear axes and/or rotary axes.

Methods and corresponding requirements.

---Part 6: Accuracy Inspection of Finished Specimens. The purpose is to standardize a series of cutting inspection methods for standard specimens under finish machining conditions.

The law and corresponding requirements.

---Part 7: Evaluation of Contour Characteristics in the Coordinate Plane. The purpose is to standardize the contour characteristic inspection of CNC lathes and turning centers.

Find the method.

---Part 8: Assessment of Thermal Deformation. The purpose is to standardize the assessment of thermal deformation in the machine tool structure and positioning system of CNC lathes and turning centers.

The evaluation method.

This document mainly specifies the spindle speeds of horizontal, vertical, and inverted vertical CNC lathes and turning centers, as well as the feed rates of each CNC linear axis.

Methods for verifying the motion accuracy of trajectories generated by the simultaneous movement of two or more linear axes and/or rotary axes, applicable to CNC lathes and...

It provides a basis and guidance for the inspection of speed and interpolation accuracy of turning centers.

This document adds a "Terms and Definitions" section, modifies some content related to testing tools, and adjusts some descriptions. Furthermore, given that...

This article discusses the different structures and requirements of vertical, inverted vertical, and other types of CNC lathes and turning centers. To more conveniently and clearly express the inspection content, this paper...

The appendix lists the inspection items for horizontal, vertical, and inverted vertical CNC lathes and turning centers, respectively.

Inspection conditions for CNC lathes and turning centers Part 5: Speed and Interpolation Accuracy Inspection

1 Scope

This document specifies the spindle speeds of CNC lathes and turning centers according to GB/T 17421.1-2023 and GB/T 17421.4-2016.

Verification of the feed rate of each CNC linear axis and the motion accuracy of the trajectory generated by the simultaneous movement of two or more linear axes and/or rotary axes.

This document applies to horizontal, vertical, and inverted vertical CNC lathes and turning centers of ordinary precision.

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included.

For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies.

This document.

GB/T 16462.1-2023 Inspection conditions for CNC lathes and turning centers – Part 1: Inspection of geometric accuracy of horizontal machine tools (ISO 13041-1:2020, MOD) GB/T 16462.2-2023 Inspection conditions for CNC lathes and turning centers – Part 2: Inspection of geometric accuracy of vertical machine tools (ISO 13041-2:2020, MOD) GB/T 16462.3-2017 Inspection conditions for CNC lathes and turning centers – Part 3: Geometric accuracy inspection of inverted vertical machine tools (ISO 13041-3:2009, MOD) GB/T 17421.1-2023 General Rules for Machine Tool Inspection - Part 1: Geometric Accuracy of Machine Tools under No-Load or Quasi-Static Conditions (ISO 230-1:2012, IDT) GB/T 17421.4-2016 General Rules for Machine Tool Inspection - Part 4: Circular Inspection of CNC Machine Tools (ISO 230-4:2005, IDT) GB/T 19660-2005 Industrial automation systems and integration - Numerical control coordinate systems and motion naming for machine tools (ISO 841.

2001, IDT)

errors)

3 Terms and Definitions

The terms and definitions defined in GB/T 16462.1-2023, GB/T 16462.2-2023 and GB/T 16462.3-2017 apply to this standard.

document.

4 General Rules