Vertical Shaft Impactor, VSI Crusher, Artificial Sand Making Machine

Product Description

Application
VSI crushers are widely applied in expressway and railway building, hydropower station construction, bridge and tunnel building, concrete batching plant, etc. for crushing and gravel shaping.
Main Features and Benefits It adopts high quality roller bearing like Sweden SKF and American TIMKEN, which ensure the smooth running of main unit. Unique feeding method (change between central feeding and central feeding with cascade feeding make "rock on rock" and 'rock on iron" possible, both crushing and shaping are achieved. Advanced double pump oil lubrication system minimize the maintenance frequency Hydraulic lift cap, easy and convenient replacement and maintenance Over vibration alarm system Special dustproof seal system prevent the dust from entering oil mouth Working Principle
The material enters the VSI crusher through hopper, which is divided into two parts. One part entering into the rotating impeller through the distributor at high speed, then is accelerated, and shot through the tunnels around the impeller at high speed. First part material will impact with other materials fallen from the material distributor, hit on the crushing chamber together, then will be rebounded and impact on the top of crushing chamber, Changes its direction and goes down, forms continual material layers with material shot from the impeller. Therefore some materials will be impacted, crushed, milled twice or more times in the crushing chamber, then crushed material will be discharged from discharging part.
Specification

Model		VSI7611	VSI8518	VSI9526	VSI1140
Throughput capacity (t/h)	Feed both at center and sides	150~280	240~380	350~540	500~640
	Feed at center	70~140	120~200	180~280	250~360
Max feed size (mm)	soft materials	<35	<40	<45	<50
	Hard materials	<30	<35	<40	<45
rotation speed(r/min)		1700~1900	1500~1700	1300~1510	1100~1310
Double motor power (kw)		110	180	260	400
Overall dimension L*W*H (mm)		3700×2200×2300	4140×2300×2700	4560×2500×2900	5000×2700×3400
weight(t)		8.6	11.8	17.5	27.5
Power supply		380v,50Hz
Light-oil lubrication station	Power of double lubropump motor	2X0.31kW
	safety protection	Double complementary lubropumps supply oil. Auto-stop without oil flow. Water-cool system. Motor-heating for winter.
	Oil-tank heating power	2kW
	Overall dimension L*W*H (mm)	820X520X1270

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