电钻、冲击钻和电锤是我们常用的三种手持电动工具，这三种工具有什么区别，在什么情况下应该选用何种工具最合适了？那我们一起来了解一下三者的用途和区别吧
Electric drill, impact drill and electric hammer are the three kinds of hand-held electric tools commonly used by us. What is the difference between these three kinds of tools and under what circumstances should we choose the most appropriate tool? Let's learn about the use and difference of the three
电钻特别适合在需要用力很小的材料上钻孔。冲击钻有旋转和冲击两重钻孔功能它能够产生比电钻更强的冲击力。这三种工具中电锤进入硬材料需要的压力是最小的。
Electric drills are particularly suitable for drilling in materials that require very little force. The impact drill has the functions of rotation and impact drilling, which can produce stronger impact force than the electric drill. Of the three tools, the hammer needs the least pressure to enter the hard material.
电钻是用电作动力的钻孔工具也是电动工具中的常规产品。电钻只具备旋转方式，特别适合在需要很小力的材料上钻孔，如软木以及金属等等。电钻的工作原理很简单仅仅依靠电机带动传动齿轮，使钻头在金属或木材上以刮削的形式穿孔。
Electric drill is a drilling tool powered by electricity, and it is also a conventional product in electric tools. The electric drill only has the way of rotation, which is especially suitable for drilling holes in materials that require very little force, such as cork and metal. The working principle of the electric drill is very simple, only rely on the motor to drive the transmission gear, so that the drill bit in the form of scraping on metal or wood.
冲击钻通过旋转和冲击两种方式来完成工作，它主要用于天然的石头和混凝土钻孔。性价比高的冲击钻在工作时一般在钻头钻夹处有调节旋钮可以调节为普通手电钻和冲击钻两种方式。由于冲击钻是利用内轴上的齿轮相互跳动来实现冲击效果。因此从冲击力上来看即使是性价比最高的冲击钻也是远远不及电锤的。
Percussion drill is mainly used for drilling natural stone and concrete through rotation and impact. When the impact drill with high cost performance ratio is working, there is an adjustment knob at the drill clamp, which can be adjusted into ordinary electric hand drill and impact drill. Because the impact drill uses the gears on the inner shaft to jump each other to achieve the impact effect. Therefore, from the impact force point of view, even the most cost-effective impact drill is far less than the electric hammer.