![]() ![]() Using an e-file, you can cut down this filing time to 15 seconds. Without an e-file, you would have to manually remove the gel topcoat on your nails with a nail file, taking up to one minute on each nail. If you only do gel manicures at home, an electric nail drill machine will save you time just in taking gel polish off your nails. Generally, if you only use your DC-powered e-file a couple of times a month, take good care of it, and do not let it drop on a hard surface, it should last up to 3 years. The rechargeable lithium battery stops holding a charge after so many charging cycles. The heavier handpiece will be damaged easily if accidentally dropped. The male and female connection will wear out after so many inserting/pull-out cycles. The internal delicate electronic circuit will burn out or be short-circuited due to an overheating problem. The newer DC motor-type nail drill sets do not last as long because of the four following reasons: However, I had to replace the handpiece every five years due to the internal bearing wearing out. I started out using these nail drill sets in 1997, and the motors themselves still function well. The older type AC motor electric nail drill should last more than ten years. Switching this selector while the motor is still running might damage or shorten the life of your electric nail file. Note: always turn off the electric nail file and wait for it to come to a complete stop when you change the direction of your drill bit. A right-handed person will set it forward F for clockwise rotation, and a left-handed person will turn it to reverse R for counter-clockwise rotation of the nail bits. That is why this newer handpiece is a little larger and heavier than that of the AC motor type.įorward and reverse selector: this function is a built-in feature that both right-handed and left-handed users can use. On all DC motor handpieces, the DC motors are inside the handpiece. ![]() On the older AC motor type, the handpiece is where various nail bits are attached, and it contains no motor so that it can be small. In AC models, the speed control knob is in line with the power cord, or it could be a foot pedal, while it fits inside the power units on newer DC power, portable ones. ![]() Less power going to the motor makes it spin slower and higher power makes it spin faster. What a speed control does is it regulates the electric current or power going to the motor. Older AC motor electric nail drills use foot pedals to control the rotary speed, while newer desktop nail drill machines have a knob to adjust their motors’ speed manually. It can be either an AC motor that uses 115V or a DC motor that uses either 12VDC or 5VDC on newer nail drill machines. ![]()
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