标准摘要
[中文适用范围]： 本文档适用于通过轨道导向系统引导、用于干式切割或连接液体系统以切割混凝土、石材或类似材料的便携式墙锯。金刚石锯轮在额定容量下的线速度不超过 100 m/s。本文档不适用于在操作期间无人看管的便携式墙锯。本文档不适用于采用液压系统的便携式墙锯。本文档不适用于手持式切割机。额定电压对于单相交流或直流工具不超过 250 V，对于三相交流工具不超过 480 V。 [外文原描述]： IEC 62841-3-7:2020 This document applies to transportable wall saws guided by a track guiding system intended for dry cutting or to be connected to a liquid system for cutting concrete, stone or similar material by means of a diamond wheel. The rated speed of the diamond wheel does not exceed a peripheral speed of 100 m/s at rated capacity. The rated voltage is not more than 250 V for single-phase a.c. or d.c. tools, and 480 V for three-phase a.c. tools. This document does not apply to transportable wall saws that are intended to be left unattended while performing an operation. This document does not apply to transportable wall saws that employ hydraulic systems. This document does not apply to hand-held cut-off machines.
英文名称Electric motor-operated hand-held tools, transportable tools and lawn and garden machinery - Safety - Part 3-7: Particular requirements for transportable wall saws