1. The oil temperature is too high. Cause: The oil quality is not good; the oil quantity is insufficient; the bearing is damaged.
Elimination method: change oil, or refuel, or replace the bearing.
2. The oil pressure is low or the indicator has no oil flow after the oil pump is started. Cause: The oil temperature is low; the oil pipe is blocked or the oil pump is not working properly.
Elimination method: heating to increase oil temperature; repair pipeline or oil pump.
3. Oil temperature oil pressure rises Cause: The tubing or oil groove is blocked and the safety valve is malfunctioning.
Elimination method: stop inspection and repair.
4. The oil contains a lot of fine mud and impurities. Cause: The seal dust-proof device is out of order; the water pipe is blocked or leaking, resulting in water shortage.
Elimination method: stop re-sealing or cleaning and repair, replace with new oil.
5. The crusher is strongly vibrated, and the sudden rotation speed of the moving cone is accelerated. The cause is: the poor lubrication causes the main shaft to be tightly wrapped by the bushing; the movable cone sinks or the spherical thrust bearing is damaged; the upper movement of the tapered bushing causes the gap with the main shaft to be insufficient.
Elimination method: Replace damaged parts and repair oil pump and pipeline for reasons.
6. Produce audible cracking when crushing or idling. Cause: The lining is slack; the movable cone or fixed cone lining is not round and impacts.
Elimination method: stop the inspection screw tightening and zinc layer off. If the screw or earring is damaged, remove the adjusting ring and replace the screw and earring; if the zinc layer falls off, re-cast the zinc layer; check the ovality of the lining and mechanically process if necessary.
7. The drive shaft rotates unevenly, the pulley rotates after a strong knocking sound, and the moving cone does not move. Cause: The gear is worn or damaged; the connecting key is damaged; the main shaft is broken.
Elimination method: stop the gear replacement and make the meshing clearance meet the requirements; replace the coupling key; replace the spindle to strengthen the iron removal work.
8. Increased grain size of mine discharge Cause: The liner is seriously worn.
Elimination method: adjust the discharge port, reduce the size of the discharge port; replace the lining

Tantalum Alloy

Tantalum, a metallic element, occurs primarily in tantalite and is associated with niobium.Tantalum is moderately hard and ductile, and can be drawn into filaments to make thin foil.Its coefficient of thermal expansion is very small.Tantalum has excellent chemical properties and is highly resistant to corrosion.Although the corrosion resistance of tantalum is very strong, its corrosion resistance is due to the formation of stable tantalum pentoxide (Ta2O5) protective film on the surface.It does not react with hydrochloric acid, concentrated nitric acid and "aqua regia" either in hot or cold conditions.It can be used to make evaporating vessels, as well as electrodes, rectifiers and electrolytic capacitors for electronic tubes.Used medically to make thin sheets or threads to mend damaged tissue.