手电钻

手电钻用曲线锯头是一种五金工具，由壳体、手柄、传动系统以及锯条和底座构成。

A curve saw mounted on an electric hand drill is a hardware tool , and is composed of a shell , a handgrip , a transmission system , a saw blade and a base .

发射率ε手携式快速检测仪的研究多功能手电钻控制器

PORTABLE INSPECTION EQUIPMENT FOR RAPID MEASUREMENT OF THE EMITTANCE A Multifunction Hand Electric Drill Control

多功能手电钻控制器

A Multifunction Hand Electric Drill Control

采用风险因素分析方法分析手电钻存在的风险，主要包括：手柄使用中的风险因素、按键使用中的风险因素和外观的风险因素。

The risk factors related to electric drill were analyzed and discussed , including ergonomic risk factors related to handle , key-press , and appearance .

本文介绍的多功能手电钻控制器，采用电压负反馈、电流正反馈，并有电流截止负反馈的保护装置。

A multifunction hand electric drill control using voltage negative feedback and current positive feedback , with protecting devices of current cut-off negative feedback , is proposed .

经测试，机械特性硬，手电钻配上此控制器后，能作电动攻丝、板手、螺丝刀等作业，实现一机多用。

The control proves to be mechanically strong and rigid by testing , and a hand electric drill equipped with it can be used as motordriven tap , wrench , screwdriver , etc.