前言这是协调CSA集团和UL标准，适用于手持式电动工具-安全-第2-23部分:模具研磨机和小型旋转工具的特殊要求。这是CAN/CSA-C22的第一版。2编号60745-2-23和第一版UL 60745-2-23。本标准基于2012年12月发布的第一版IEC 60745-2-23。范围第1部分的本条款适用，但以下情况除外:补充:本标准适用于直径不超过55 mm的安装附件和直径不超过80 mm的安装磨砂附件的模具磨床和小型旋转工具，例如:- 带未卸肩法兰的心轴上的螺纹锥或塞-心轴安装的车轮，以及-额定速度不超过附件在额定容量下80 m/s圆周速度的旋转锉。本标准不适用于使用法兰驱动研磨附件的直磨机和立式磨机。IEC 60745-2-3涵盖了这些工具。

PrefaceThis is the harmonized CSA Group and UL standard for Hand-Held Motor-Operated Electric Tools - Safety - Part 2-23: Particular Requirements for Die Grinders and Small Rotary Tools. It is the first edition of CAN/CSA-C22.2 No. 60745-2-23 and the first edition of UL 60745-2-23. This standard is based on IEC 60745-2-23, first edition published December 2012.ScopeThis clause of Part 1 is applicable, except as follows: Addition: This standard applies to DIE GRINDERS and small ROTARY TOOLS for mounted accessories not exceeding 55 mm in diameter and mounted sanding accessories not exceeding 80 mm in diameter such as - threaded CONES OR PLUGS that are threaded on a mandrel with an unrelieved shoulder flange - mandrel MOUNTED WHEELS, and - rotary files with a RATED SPEED not exceeding a peripheral speed of the accessory of 80 m/s at RATED CAPACITY. This standard does not apply to straight and vertical grinders utilizing flanges for driving an abrasive accessory. Those tools are covered by IEC 60745-2-3.