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Black Decker Cordless 24
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Converting 18v Cordless drill to Corded drill, what power supply to use?
It's a cheap Black and Decker cordless drill, 18v. I would like to know what voltage tolerance it has(can I use a 15v power supply, how about a 24volt power supply?) and would like to know typically how many amps these cordless drills use under full load.
the Batteries are shot basically, and I can't find a corded drill with the cordless features(torque settings etc.) so I wish to utilize these drills I have laying around, I was looking in catalogs and seems to me a good power supply I can find is a 15v with 10 amps continuous or a 24 power supply.
I hooked the drill up to my ex-tech variable voltage 3amp 0-30v power supply, my current limiter would keep tripping and can only screw a deck screw in about half way....
What would be a good power supply for this application, and I can't seem to find the watts the tool draws, so I am not sure how big of a supply I need, or the voltage.
Answer:
The more voltage the faster the drill will spin until it destroys from wiring flying off the rotor.
At 18V it probably draws about 10 Amps at stalled condition, maybe more. If you keep it at 10A for too long it will get too hot and destroy from overheating.
The faster the motor spins, the more airflow = more cooling.
Drills (electric motors) don’t like low speed high torque. Air tools get fresh air to cool even when stalled.
Heating is proportional to torque.
Hope this properly answers your question
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