The name ‘impact drill’ comes from the impact function which can be set up for drilling in the hard-stone type. When the button is set to ‘drill’, the machine works in the same way as a normal drill. However, if you set the button to ‘impact’, not only the drill spins but it also moves up and down vigorously. This is similar to a hammer hitting the stone.
Impact drills come with both mains power as well as a battery.
How does the impact drill work?
On the shaft, you will find a round disc with teeth on one side. Another toothed disc will be mounted inside the machine.
When the impact function is turned off, the two discs do not come into contact with each other. However, when you turn the impact function on, the teeth on both discs come into contact with one another.
The rotation of the shaft creates a powerful vibrating motion that allows you to crush stone using an impact drill.
Drilling with or without impact function
Depending on the type of material to be drilled, the impact function can be turned on or off. For example, if you are drilling in concrete, hard rock or masonry, the impact function will be turned on. If you are drilling in softer materials like wood or plasterboard, you can turn off the impact function so that the drill holes don’t get too big.
If you are drilling in tiles, you will want to turn the impact function off so that you don’t create any cracks. Once you drill through the tile and into the wall, you can turn it on again.
For screwing, the impact function should be turned off and the machine should be running at a low speed.
Setting torque and speed
The torque is the turning force of the drill. It is expressed in Newton-meters. The torque of an impact drill determines the power of the drill. Different impact drills have different torque settings. You can turn the adjustment ring of an impact drill to change the torque settings. Higher the torque, the stronger and faster the drill. The correct torque depends on several things, including the type of material you are drilling, the diameter of your drill bit, and the drill bit type.
Basic rules
The diameter of the drill depends on the hardness of the material and the speed of the drill. The smaller the diameter of the drill, the more torque the drill will have and the faster the drill will be.
The speed of the drill is also important. Most impact drills have two gears. The first is for drilling and the second is for screwing and screwing. The lower the speed, the more torque there is. The higher the speed, the less torque there will be. For example, if you drill at low speed, you will have more torque, but if you drill at high speed, you won’t have as much torque. For this reason, screwing is best done at low speed and drilling at high speed.
Working safely with an impact drill
Risks are always present when working with power tools. Concentrate on the task at hand and wear safety glasses and ear protection. This is especially important due to the impact function’s high noise level.
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