The most popularly reason why your blades heat up quickly is because clippers run faster now than they did 15-20 years ago. Most clippers then use to run at 2,000 spm (strokes per minute) but now they have doubled in speed to around 4,000 spm. With added speed you always get more heat. The secret to keeping your blades cool is Lubrication, Lubrication, and Lubrication!! Lubrication is done by placing clipper blade oil onto your clipper blade before you clip, while you clip an