手持式电动工具的安全第2-23部分:模具研磨机和小型旋转工具的特殊要求SUL 60745-2-231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，如螺纹锥或塞子，在带有未卸下肩缘的心轴上，心轴安装的轮子，在额定容量下，额定速度不超过附件圆周速度80 m/s的手动锉刀。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。

Hand-Held Motor-Operated Electric Tools - Safety - Part 2-23: Particular Requirements for Die Grinders and Small Rotary ToolsUL 60745-2-231 Scope This 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 asthreaded CONES OR PLUGS that are threaded on a mandrel with an unrelieved shoulder flange,mandrel MOUNTED WHEELS, androtary fileswith 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.