机械类

friction is encountered. In a great range of viscosities and thus can satisfy a broad spectrum of functional requirements. Under boundary lubrication conditions , the effect of viscosity on friction

rease of 165%in AE levels was observed from an NPSH value of to constant levels followed until an NPSH of m when a rapid decrease in AE levels was noted. With further reductions in NPSH, spikes in AE

oint between spreader andgrab takes place, the tension of the ropes happens 1 s after switching the electric drive on, the clearance in the joint taking up. The revolutions of the electric motors

deterioration as a result of accelerated life test condit ions. Also for consistency o f results and parin g life test groups, it is good practice to utilize one standard test lubricant from a

fectly match the external threads on the spindle (two things which almost never happen), an accessory must be used to mount a workpiece to the spindle. A workpiece may be bolted or screwed to a