IS 15250 : Part 1 : 2024/ISO 10791-1 : 2015 Test Conditions for Machining Centres - Part 1 Geometric Tests for Machines with Horizontal Spindle (Horizontal Z-Axis)

ICS 25.040.10

PGD 35

NATIONAL FOREWORD

This Indian Standard (Part 1) (First Revision) which is identical to ISO 10791-1 : 2015 'Test conditions for machining centres — Part 1: Geometric tests for machines with horizontal spindle (horizontal Z-axis)' issued by the International Organization for Standardization (ISO), was adopted by the Bureau of Indian Standards on recommendation of the Machine Tools, Machine Tool Elements and Holding Devices Sectional Committee and approval of the Production and General Engineering Division Council.

A machining centre is a numerically controlled machine tool capable of performing multiple machining operations, including milling, boring, drilling, and tapping, as well as automatic tool changing from a magazine or similar storage unit in accordance with a machining programme. Most machining centres have facilities for automatically changing the direction in which the workpieces are presented to the tool.

The purpose of this series of standards is to supply information as widely and comprehensively as possible on tests and checks which can be carried out for comparison, acceptance, maintenance, or any other purpose.

This standard was first published in 2002 based on ISO 10791-1 : 1998. This revision of this standard has been undertaken to align it with the latest version of ISO 10791-1.

The major changes have been incorporated in this revision are as follows:

a) The scope has been revised, and the lengths of the X, Y, and Z axes have been extended;

b) Normative references have been updated; and

c) Test for table flatness (formerly G15) has been deleted.

This standard has been published in 10 parts. Other parts in this series are:

Part 2 Geometric tests for machines with vertical spindle or universal heads with vertical primary rotary axis (vertical Z-axis)

Part 3 Geometric tests for machines with integral indexable or continuous universal heads (vertical Z-axis)

Part 4 Accuracy and repeatability of positions of linear and rotary axes

Part 5 Accuracy and repeatability of positioning of work-holding pallets

Part 6 Accuracy of speeds and interpolations

Part 7 Accuracy of finished test pieces

Part 8 Evaluation of contouring performance in the three coordinate planes

Part 9 Evaluation on the operating times of tool change and pallet change

Part 10 Evaluation on thermal distortions

The text of ISO standard has been approved as suitable for publication as an Indian Standard without deviations. Certain conventions are, however, not identical to those used in Indian Standards. Attention is particularly drawn to the following:

a) Wherever the words 'International Standard' appear referring to this standard, they should be read as 'Indian Standard'; and

b) Comma (,) has been used as a decimal marker while in Indian Standards, the current practice is to use a point (.) as the decimal marker.