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The difference between electric drill and electric hammer

by:WORKSITE     2020-06-17
1. The essential difference between electric drill and electric hammer 1. The volume is different. 2. The weight is different. The electric drill only has the number of revolutions when the motor (rotor + stator) and gear bite each other. The electric hammer, called 'hammer', is because it has an impact force and can drill hard materials such as mud, stones, etc. Therefore, the volume of the point hammer is a little larger than that of the electric drill, which should be an important accessory such as a cylinder, connecting rod, piston and so on. The electric drill can only drill wood, iron, plastic and other materials. The difference is that the electric drill only rotates and there is no longitudinal vibration. The electric hammer not only rotates but also has longitudinal vibration. If you drill a metal hole with an electric hammer, you have to finish the drill twice. If you use an electric drill to hit the cement hole, you won’t get it out of the box. Second, the difference between electric hammer and electric drill The electric hammer uses piston movement to compress the gas to impact the drill bit. It does not require much effort from the hand. It can open 6--100mm holes in hard materials such as concrete, bricks, stones, etc., and drill holes in the above materials. High, but it cannot open holes in the metal. Electric drills are non-impact, requiring human pressure to open holes in materials such as metal and wood, with a diameter of 6-50. The advantage is that the vibration is small, the precision of the opening is high, and the price is not high. In addition, they use different drills, the former is an alloy-inlaid drill, the latter is an ordinary cutting drill. Both electric hammer and impact drill can make holes in concrete structures. Both have the function of piston movement, and the electric hammer is suitable for large calibers such as more than 30MM. The advantages are high efficiency, large aperture and long drilling depth. The disadvantage is that the vibration is large, which has a certain degree of damage to surrounding structures. Impact drills are suitable for small diameters of about 25 mm and short drilling depths. Such as installing expansion bolts. The damage to surrounding structures is very small. For air-conditioning installation, electric hammers should be used except through-holes. Electric drills should be used in other locations. the difference: The electric hammer bit is assembled with a lock clip type, which is simple and requires no tools. The impact drill requires a special key to tighten. The electric hammer is an electric drill plus a hammer to knock in, the electric drill is only responsible for drilling. Both electric hammer and impact drill can make holes in concrete structures. The latter does not have a piston movement function, and the power of the electric hammer is relatively large. Electric drills are not impact drills. Ordinary electric drills have no piston movement function.
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