VS350Vertical Shaft Autogenous Crusher

The Pilot Twister vertical shaft autogenous crusher, commonly called VSI crushers, represents the latest state-of-the-art technology in the field of autogenous crushing of rock. This simple to operate and maintain crusher is normally a secondary, tertiary or quaternary crusher which generally works with crusher run material ranging from 5-60mm, at throughput capacities of between 8 and 450 tonnes per hour.

It is primarily used for the production of fines for concrete and rendering sand, for the manufacture and shaping of aggregates to produce quality, cubical shaped material, and for the reduction of feed material for further milling processes, meeting the needs of the construction, quarrying, recycling and mineral processing industries.

Since inception, the many world-leading innovations including taper shaft, bolt together modular rotors, replaceable rock boxes, Hydraulic Automatic Lid Lifting System, HALLS, on board jib crane, rubber discharge chutes, dust retaining and recirculating system and flexible access staircase positioning have ensured that the Twister remains at the forefront of VSI technology.

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Product Features

Certified and signed off job crane which has been load tested. This ensures a certified, tested crane which is safe and reliable for operation with this crusher.

Crusher mounting is angled, rubber, vibration mounts to alleviate stress and loading onto the skid structure

The crusher is mounted on a purpose-built, heavy-duty skid frame with wrap around walkways, handrails and non-slip composite grating.

Accurately guides crushed material onto conveyor belt to decrease spillage and decreases dust emanating from crusher discharge.

Hydraulic Automatic Lid Lifting System (HALLS.). The lid opens and swivels automatically to allow for complete access to the rotor.

The crusher drive only requires one electric motor which ensures simplicity of maintenance with only one motor to care for.

The access staircases have handrails and have flexible mounting positions to allow positioning to suite site requirements.

Extended Benefits

01Modular Rotors

All components are machined and bolted together reducing the rotor balancing process and providing better vibration protection. Any damaged rotor body part can be replaced without welding, allows for rapid replacement of worn or damaged rotor body and wear parts.

02Standard With HALLS

The hydraulically controlled Hydraulic Automatic Lid Lifting Slewing System allows one person to quickly, easily and safely open and close the crusher lid providing complete rotor access. Safety pins always ensure safe operation.

03Vibration Mountings

The complete crusher is mounted to the subframe using 4 easily replaceable, angled, specialised vibration mounts to decrease vibration and stress loading on the skid frame.

04Jib Crane

A sufficiently sized and safety engineered rotating jib crane is standard to allow quick, simple and safe rotor replacement. An off the shelf chain block is used to eliminate costly crane components.

05Heavy-Duty Tapered Shaft

Heavy-duty, robust shafts with a precision taper ensure quick, secure rotor fitment of the rotor to the shaft. A rotor jacking and lifting tool is provided to ensure safe removal and fitment during rotor replacements.

06Crushing Chamber Configurations

The drop-in crushing chamber rock box has replaceable liners and build up plates to assist with initial rock box build-up.
The rock box can be replaced. An optional Anvil ring crushing chamber is available for use in low abrasion applications.

07Single Electric Motor

Heavy-duty crusher shaft allows the use of a single electric motor up to 355kW, reducing the footprint of the crusher, the number and size of pulleys/sheaves and v-belts and eliminating the need to synchronise and to maintain an equally tensioned drive system in dual motor crushers.

08Free Standing Skid Frame

All Twister crushers are supplied ready to run on a compact, heavy-duty skid frame that does not require concrete foundations. The walkways have composite grating flooring and angle iron handrails. The access staircases have handrails and have flexible mounting positions to allow positioning to suit site requirements.

TWISTER VS350	MR07 Rotor	MR08 Rotor
Feed Size (Maximum Edge length)	50mm	60mm
Feed Size (Passing square mesh screen size)	45mm	50mm
Rotor Speed RPM	1200 – 1680	1200 – 1680
Electric Motor Options	160 – 315kW	160 – 315kW
Throughput	50 to 220 tonnes/hr	50 to 280 tonnes/hr
Cascading SYSTEM	Up to 400 tonnes/hr	Up to 400 tonnes/hr
WEIGHT	Approx 12,200Kg (Electric Motor Dependent)	–

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