The impact drill works by rotating and impacting. The single impact is very slight, and the impact frequency of more than 40,000 times / min can generate continuous force, which can be used on natural stone or concrete. The electric hammer is an electric rotary hammer drill with a safety clutch and a pneumatic hammer mechanism. It uses the principle of piston movement to compress gas and impact the drill bit. So what are the differences between hammer drills and electric hammers?  　 Brief introduction of impact drill  There are two types of impact mechanism for impact electric drills: canine type and ball type. The ball-type impact electric drill is composed of a moving plate, a fixed plate and a steel ball. The moving disk is connected to the main shaft through threads and has 12 steel balls; the fixed disk is fixed on the casing with pins and has 4 steel balls. Under the action of thrust, the 12 steel balls roll along the 4 steel balls The hard alloy drill bit produces a rotary impact motion and can drill holes in brittle materials such as bricks, blocks, and concrete. Take off the nails to make the fixed plate rotate with the follower plate without impact, and can be used as an ordinary electric drill.  The difference between impact drill and electric hammer  The impact drill mainly relies on rotation and impact to work. Although a single impact is very slight, the impact frequency of up to more than 40,000 per minute can produce continuous force; while the electric hammer mainly relies on rotation and thrashing, and the single thumping force is very High and has a higher thumping frequency, with a thumping frequency of 1000 to 3000 per minute, which can produce significant force. The impact drill is mainly suitable for drilling holes in wood, metal, ceramics and plastics. It can also be used for impact drilling of concrete floors, walls, bricks, and stones, but the effect is not very satisfactory; while the electric hammer is for hard concrete, Stone and wall tiles are very effective in punching holes and can produce a strong impact force. With the effect of rotary drilling, the strength can split the stone into gold. The impact drill is widely used and easy to use, but the direction of the impact drill is not easy to grasp when using it, and it is easy to make mistakes, which causes the hole to be too large. In addition, the drill bit is not sharp, so the hole is not neat, and there are burrs or cracks 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 drill maintenance  The impact electric drill is designed with double insulation, which is safe and reliable in operation. It does not need to use protective grounding (connect to zero) when using. It can use single-phase two-pole plug. It can be used without wearing insulating gloves or insulating shoes. In order to make the operation convenient, flexible and powerful, the impact electric drill generally has an auxiliary handle. Since the impact electric drill adopts double insulation, there is no grounding (zero connection) protection, so special attention should be paid to protect the rubber sheathed cable. When you move the electric drill by hand, you must hold the handle of the electric drill, and you can't drag the rubber cable when moving. Rubber sheathed cables must not allow wheels to roll and pedal. The above is about the difference between the impact drill and the electric hammer and the knowledge content of maintenance. Understanding the difference between the impact drill and the electric hammer helps us to make accurate choices according to our actual needs when buying. Usually the family assembles furniture and install You can choose an impact drill when placing a rack or lamp. The electric hammer is the first choice for professional installation and engineering construction.
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Brief introduction of impact drill, the difference between impact drill and electric hammer and its maintenance