One question that gets asked a lot, why do my clipper blades get hot? The most probable reason why your blades heat up quickly is because you are not oiling your clipper blades enough. 15-20 years ago animal clippers only use to run at 2,000 spm (strokes per minute) but bring it up to date, clippers have now doubled in speed to around 4,000 - 8,000 spm. With added speed you get more heat- more heat slows up the clipper, making your job even harder. Clipper blades are the main