How does a cordless drill driver work?

29th February 2020


	How does a cordless drill driver work?


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			Think of a cordless drill driver like an electrical circuit. Every time you pull the speed control trigger you are completing the circuit, allowing power to flow through the tool.

			Step 1 – Battery Every cordless drill driver has a rechargeable battery.

			Step 2 -Speed control trigger When you pull the speed control trigger, a switch on the other side of the trigger (inside the tool’s casing), conducts electricity from the rechargeable battery to the motor.

			Step 3 – Motor The motor converts the battery’s electrical energy into mechanical energy giving the rotation required to turn the chuck.

			Step 4 – Gear box This power is a combination of torque (turning force) and speed and is transferred to the chuck via the gearbox. Depending on the make and model of your cordless drill driver, the gearbox may offer the possibility to select different gears, and therefore speed ranges.

			Step 5 – Rotate chuck The motor’s power causes the chuck to rotate, allowing the drill driver to drill holes and drive screws (with the required drill bit or screwdriver bit).