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VSI Vertical Shaft Impact Crusher - Superior Crushing Power

Kemai VSI series vertical shaft impact crusher is developed on the basis of many years’ research and the experiences of manufacturing mining machinery; it combines the advanced technology of home and abroad. This type of crusher reaches the international advanced level and plays an important role in the field of sand production.
It is used to crush the brittle materials with Mohs hardness below 9; while, it is not suitable for viscous material and rock with much dirt. The machine can be widely used in metal and non-metallic minerals, building materials, sand making, crushing and shaping of various metallurgical slags.

product details

Working Principle

In Kemai VSI series vertical shaft impact crusher, material of high speed is crushed by self-broken mutual friction. This type of impact crusher can not only be used for crushing but also for shaping of stones.

According to feeding method, the working of vertical shaft impact crusher can be divided into central feeding and central with cascade feeding; while the crushing method can be divided into “rock on rock’ and “rock on iron” according to material compressive strength. Therefore, there are four working forms: central with cascade feeding “rock on rock” and rock on iron”; central feeding “rock on rock” and rock on iron”.

Daily maintenance of VSI series vertical shaft impact crusher

(1) There should be special person responsible for the machine. Operators should be trained before operation, and also understand technical performance and familiar with the rules.

(2) Thin oil station use 35# bearing oil, oil amount is 150-190L. Change oil in 200hours first time, and then change oil every 1000 hours. When change oil, open the oil pipe, clean and dry it, change damaged seal mat.

(3) Driving V belt tensioning is moderate, make sure V belt strain evenly, motors in two sides are imbalanced, the electricity current is not more than 15A.

(4) Check hydraulic system frequently, maintain immediately if any abnormal conditions.

(5) Add calcium base grease to seal ring under bearing chamber regularly.

(6) Open the bearing tube and clean in 1000 hour’s normal running first time.

Technical parameters of VSI series vertical shaft impact crusher

Model		VSI7611	VSI8518	VSI9526	VSI1140
Capacity (t/h)	Central feeding with circular cascade feeding	120-180	200-260	300-380	450-520
Capacity (t/h)	Fully central feeding	60-90	100-130	150-190	225-260
Max. feeding size (mm)	Soft material	< 35	< 40	< 45	< 50
Max. feeding size (mm)	Hard material	< 30	< 35	< 40	< 45
Rotation speed (r/min)		1700-1890	1520-1690	1360-1510	1180-1310
Model of Motor		Y250M-4	Y280M-4	Y315M-4	Y315L2-4
Double motor power (KW)		2×55	2×90	2×132	2×200
Overall dimension (L×W×H) (mm)		3600×2248×2533	4378×2350×2667	4640×2650×2800	5570×2900×3000
Weight (t)		10	12	16	25.6
Power supply		AC380V,50Hz
Lubrication Hydraulic Pressure station	Rate of flow (L/min)	6
	Double oil pumps motor's power (KW)	2×0.31
	Safety Assurance	Double oil pumps assure enough oil supply; Switch off automatically without oil flow or oil pressure. Lower the temperature with cool water in summer raise the temperature with motor in winter.
	Overall dimension (L×W×H) (mm)	820×520×1270
	Power of oil Tank Heater (kW)	2