<?xml version="1.0" encoding="UTF-8"?><toc><section id="sec_foreword"><title>Foreword</title></section><section id="sec_1"><label>1</label><title>Scope</title></section><section id="sec_2"><label>2</label><title>Normative references</title></section><section id="sec_3"><label>3</label><title>Terms and definitions</title></section><section id="sec_4"><label>4</label><title>Machine configurations</title></section><section id="sec_5"><label>5</label><title>Preliminary remarks</title><section id="sec_5.1"><label>5.1</label><title>Measuring units</title></section><section id="sec_5.2"><label>5.2</label><title>Reference to ,  and </title></section><section id="sec_5.3"><label>5.3</label><title>Machine levelling</title></section><section id="sec_5.4"><label>5.4</label><title>Temperature conditions</title></section><section id="sec_5.5"><label>5.5</label><title>Testing sequence</title></section><section id="sec_5.6"><label>5.6</label><title>Tests to be performed</title></section><section id="sec_5.7"><label>5.7</label><title>Measuring instruments</title></section><section id="sec_5.8"><label>5.8</label><title>Software compensation</title></section><section id="sec_5.9"><label>5.9</label><title>Machining tests</title></section><section id="sec_5.10"><label>5.10</label><title>Minimum tolerance</title></section><section id="sec_5.11"><label>5.11</label><title>Diagrams</title></section></section><section id="sec_6"><label>6</label><title>Geometric tests</title><section id="sec_6.1"><label>6.1</label><title>Linear axes motions</title></section><section id="sec_6.2"><label>6.2</label><title>Workholding spindle</title></section><section id="sec_6.3"><label>6.3</label><title>Wheel spindle</title></section><section id="sec_6.4"><label>6.4</label><title>Facing wheelhead</title></section></section><section id="sec_7"><label>7</label><title>Positioning tests</title></section><section id="sec_8"><label>8</label><title>Machining tests</title></section><section id="sec_A"><label>Annex A</label><title>Error motions of axes of rotation (informative)</title><section id="sec_A.1"><label>A.1</label><title>Rotational accuracy of workholding spindle (C’)</title></section><section id="sec_A.2"><label>A.2</label><title>Rotational accuracy of wheel spindle (C1) and facing spindle (C2)</title></section></section><section id="sec_B"><label>Annex B</label><title>Terms in other languages (informative)</title></section><section id="sec_bibl"><title>Bibliography</title></section></toc>