GB/T 5291.2-2022Die sinking electro-discharge machines - Testing of the accuracy - Part 2: Double-column machines (slide-head type) (English PDF)

1 Scope

With reference to ISO 230-1 and ISO 230-2, this document specifies the geometric accuracy inspection of general-purpose, conventional-precision electric discharge forming machine tools.

Inspection, CNC axis positioning accuracy and repeat positioning accuracy inspection and machining accuracy inspection. This document also specifies the standards corresponding to the above inspections.

difference.

This document applies to twin-column machine tools of the moving-spindle head type.

This document only involves the verification of machine tool accuracy, and is not applicable to machine tool operation tests (vibration, abnormal noise, crawling of parts, etc.) or its

Inspection of parameters (such as speed, feed rate, etc.), these inspections should usually be carried out before checking the accuracy.

This document also specifies the terminology used for the main components of the machine tool. Refer to GB/T 19660-2005 for the naming method of the coordinate axes.

NOTE. In addition to terms expressed in ISO official languages (English, French), Appendix A gives Dutch, German, Italian, Swedish, Persian and Japanese equivalent term. These language standards are published by the Netherlands (NEN), Germany (DIN), Italy (UNI), Sweden (SIS), Iran (ISIRI) and Japan (JISC) national member bodies are responsible. However, only terms given in official languages are considered ISO terms.

2 Normative references

The contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, dated references

For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document.

ISO 230-1.2012 General rules for inspection of machine tools Part 1.Geometric accuracy of machine tools under no-load or quasi-static conditions (Test staticconditions)

Note. GB/T 17421.1-1998 General inspection rules for machine tools Part 1.Geometric accuracy of machine tools under no-load or finishing conditions (eqvISO 230-1.

1996)

ISO 230-2.2014 General rules for inspection of machine tools Part 2.Determination of positioning accuracy and repeatability accuracy of CNC axes (Test calycontrolledaxes)

Note. GB/T 17421.2-2016 General Rules for Inspection of Machine Tools Part 2.Determination of Positioning Accuracy and Repeatability Accuracy of CNC Axis (ISO 230-2.

2006, IDT)

ISO 1101 Product Geometric Specifications (GPS) Geometric Tolerances Shape, Orientation, Position and Runout Tolerance Dimensions [Geometrical and run-out]

Note. GB/T 1182-2018 Product Geometric Specifications (GPS) Geometric Tolerance Shape, Orientation, Position and Runout Tolerance Marking (ISO 1101.

2017, MOD)

3 Terms and Definitions

The following terms and definitions apply to this document.

GB/T 38193 | JB/T 8490 | GB 16454 | GB/T 5291.1 | GB/T 7925 | GB/T 7926 | […]