Punch crankshaft bearing fever is exactly what causes

Bearing can be used to repair and lower the friction coefficient of components kangaroo punches reporter, throughout the crankshaft bearings sometimes encounter the phenomenon of warmth, then, what's the reason for the crankshaft bearing heat? Punch crankshaft bearing fever is when could it be? The next answer to analysis.
The reasons for crankshaft bearing heat are: 1, should first look into the lube, when the shaft scraping bad, poor lube, may also result in bearing heat, have to perform a good job of lube and scratch scraping copper tile ???2, look into the lube is clean, when the oil from the bearing in the copper crumbs, the possible lack of oil, crankshaft bearings may also result in heat, this time around ought to be open bearings to clean ???3, rail burning, rail clearance is simply too small, poor lube, poor contact, re-scratch the guide rail, adjust the space, focus on lube ???4, the clutch doesn't operate when coupled with or cannot be separated following the mixture of spring to losing versatility punch recipes non alcoholic. Key with too tight punch speed, have to switch the spring, the introduction of the text using the gap.