OLI (OLI-WOLONG) Industrial Vibrators and Motovibrators

Electric external vibrating motors and flow aid solutions from OLI (OLI-WOLONG): engineering selection of MVE vibrators and VBS bin aerators for silos and screens.

OLI (OLI-WOLONG) industrial vibration technology and equipment

Italian manufacturer OLI S.p.A. (founded 1961 in Modena, Italy) and joint venture OLI-Wolong (with Wolong Holding Group) form a global leader in electric external vibrating motors, flow aids, and concrete consolidation technology.

Global manufacturing network: 3 production plants, 20 subsidiaries, and 36 distribution hubs
Strategic partnership with Wolong Holding Group in 2015 establishing joint OLI-Wolong plants
Core engineering research and testing laboratories based at Italian headquarters in Modena
Compliance across ISO 9001 quality systems and ATEX/IECEx hazardous location norms

OLI (OLI-WOLONG) MVE and W-MVE standard electric vibrating motors

Standard electric motovibrators MVE and W-MVE (including heavy-duty W-MVE 5200/1N-85A0) for continuous S1 operation on screens, feeders, silos, and conveyors. Centrifugal force from 20 to 26,000 kg across 2, 4, 6, and 8 poles.

Heavy-duty model W-MVE 5200/1N-85A0 delivering high centrifugal force for mining screens
2, 4, 6, and 8-pole motor configurations delivering 3000, 1500, 1000, and 750 rpm
Vacuum pressure impregnation (VPI) with class F insulation for non-stop continuous S1 duty
Cast iron or aluminum alloy housing engineered with IP66 ingress protection sealing

OLI (OLI-WOLONG) explosion-proof and specialty vibrating motors

Specialized vibrator lines: explosion-proof MVE-Exe (increased safety) and MVE-Exd (flameproof enclosure for hazardous zones), direct-current MVE-DC (12V/24V) for mobile mixers, flanged MVE-F, and precision MVE-Micro.

Explosion-proof series MVE-Exd and MVE-Exe engineered for hazardous gas and dust zones
Direct-current models MVE-DC (12V and 24V) built for mobile concrete mixers and chutes
Flange-mounted vibrators MVE-F and MVE-FD designed for circular sieves and separators
Ultra-compact MVE-Micro electric vibrators for micro-dosing feeders and lab sorters

OLI (OLI-WOLONG) rotary pneumatic vibrators OT, OR, and S series

Rotary pneumatic vibrators for hoppers, chutes, screening decks, and pipelines: turbine OT series (oil-free, low noise), roller OR series (high centrifugal force), and ball S series (rugged design for powder flow).

Turbine vibrators OT series: oil-free operation, low sound levels under 70 dBA, high rpm
Roller vibrators OR series: hardened steel roller generating intense centrifugal force
Ball vibrators S series: reliable flow stimulation in industrial dust up to 200 °C
Anodized aluminum body equipped with built-in exhaust mufflers and speed regulators

OLI (OLI-WOLONG) linear pneumatic vibrators and impact hammers F, P, and PS

Linear pneumatic units to clear sticky, moist, or bridging bulk materials: cushioned piston vibrators F and K, continuous impact linear units P, single-impact pneumatic hammers PS, and high-velocity air cannons PG.

Cushioned piston vibrators F and K: stepless adjustment of stroke frequency and force
Direct impact piston vibrators P: high kinetic energy delivered straight into bin walls
Single-impact pneumatic hammers PS: impact shock energy up to 130 Joules clearing arches
High-velocity air cannons PG (GunBlast): explosive discharge clearing bulk material plugs

OLI (OLI-WOLONG) bin aerators VBS and fluidization pads I100

Flow aid devices ensuring continuous discharge of bulk powders from silos, hoppers, and tankers: VBS bin aerators, VBT trailer aerators, I100 porous fluidization pads, and U025/U060 air nozzles preventing rat-holing.

VBS vibrating aerator pads: elastic silicone membrane directs airflow along bin cones
VBT tanker aerators: specialized low-profile design engineered for dry bulk road tankers
I100 fluidization pads: sintered porous polymer surface providing uniform micro-aeration
U025 and U060 aeration nozzles: localized air fluidization jets restoring solids fluidity

OLI (OLI-WOLONG) oscillating rubber suspensions OWC and drive components

Rubber-metal elastomeric oscillating suspensions OWC for vibrating screens, conveyors, and separators: superior vibration damping, high shock absorption, maintenance-free operation, plus weight guard covers.

OWC oscillating elements delivering up to 98% vibration isolation to protect frames
Functions as a compliant swinging pivot without metallic friction, eliminating lubrication
Elastomer inserts demonstrate high resilience against industrial dust, oils, and weather
Factory-matched split weight guard covers and high-tensile heat-resistant drive belts

OLI (OLI-WOLONG) replacement parts and service components for MVE vibrators

Factory-grade spare parts for overhaul and preventive maintenance of MVE and W-MVE motovibrators: class F vacuum-impregnated stators, rotor shafts, heavy-duty roller bearings (C3/C4), eccentric weights, and seals.

Vibrator-duty roller bearings with C3 and C4 clearances for severe radial shock loads
Precision factory stators and wound rotors built with vacuum-impregnated class F and H
Adjustable eccentric weight packs for precise angular setting and graduated tuning
Dual labyrinth seals, high-temperature lip seals, and IP66 heavy-duty cable glands

Centrifugal force engineering for OLI (OLI-WOLONG) MVE and W-MVE electric vibrators

Industrial electric motovibrators from OLI (OLI-WOLONG) across the MVE and W-MVE model families (including heavy-duty units such as W-MVE 5200/1N-85A0) provide mechanical excitation for circular and linear motion vibrating screens, compaction tables, bulk hoppers, and grizzly feeders.

The dynamic centrifugal force is developed through adjustable eccentric weights affixed onto opposing ends of the rotor shaft.

The centrifugal force magnitude F follows the equation F = m · r · ω², where m represents eccentric mass, r signifies radial distance to the center of gravity, and ω denotes angular rotation speed.

Operators adjust output excitation by rotating weight laminations relative to graduated index plates from 0% to 100%, with matched angular positioning on both shaft journals to prevent dangerous bending moments.

Mechanical structural characteristics of heavy-duty W-MVE 5200 vibrating motors

The OLI-WOLONG W-MVE 5200/1N-85A0 vibrator is engineered for severe continuous S1 operating duty in mining, aggregate classification, and metallurgical handling facilities.

The motor casing is cast from high-tensile ductile iron featuring reinforced integral mounting feet and internal structural ribs that distribute alternating vibrational loads evenly into the foundation structure.

The rotor drive shaft is precision machined from alloy steel subjected to specialized thermal tempering to resist fatigue fracture under continuous high-frequency alternating stresses.

Heavy-duty spherical roller bearings with enlarged internal radial clearance (C3 and C4) maintain hydrodynamic lubrication films under elevated operating temperatures.

Stator winding insulation system and thermal protection in OLI vibrators

Extended operational durability of OLI (OLI-WOLONG) vibrators operating in wet and dusty mineral processing plants is assured through vacuum pressure impregnation (VPI) of stator windings using synthetic thermo-setting resins meeting Class F (155 °C) and Class H (180 °C) thermal ratings.

Thorough encapsulation eliminates wire-to-wire abrasive friction under relentless acceleration while preventing internal moisture condensation.

For real-time winding thermal oversight, all frame sizes from size 60 upward include embedded positive temperature coefficient (PTC) thermistors with a 130 °C trip threshold, directly wired to control panel safety interlocks.

Pneumatic vibration technology and PS impact hammers for bin discharging

When processing hygroscopic, cohesive, or sticky bulk solids inside hopper cones, continuous rotary vibration can cause material packing. To prevent compaction, OLI (OLI-WOLONG) deploys intermittent kinetic devices: PS single-impact pneumatic hammers alongside linear piston units F and P.

The PS pneumatic hammer delivers a single concentrated blow of its internal hardened steel piston against an external channel plate, transferring impact energy up to 130 Joules to shatter internal bridging without compressing the material bulk.

Oil-free OT turbine vibrators generate high frequencies up to 46,000 rpm at noise levels below 70 dBA for food processing and laboratory sieves.

VBS vibrating aerators and I100 fluidization pads for dry bulk powder silos

For fine bulk powders including cement, fly ash, hydrated lime, and flour, OLI (OLI-WOLONG) provides fluidization aeration solutions.

VBS bin aerators combine physical high-frequency vibration of an elastic silicone membrane with pressurized air injection (0.8 to 2 bar) sweeping along hopper interior cone walls.

Air injection flexes the membrane away from the wall to fluidize fine particles; when airflow ceases, the membrane seals against the metal port to exclude powder backflow into distribution pipes.

I100 fluidization pads fabricated from porous sintered polymers maintain continuous gentle micro-aeration above rotary feeder gates.

Mounting guidelines, lubrication schedule, and bearing maintenance protocols

Field reliability of OLI (OLI-WOLONG) electric vibrators requires rigid mounting base flatness and calibrated bolt torques.

Vibrator units must mount solely onto flat, stress-relieved steel plates using high-strength fasteners (grade 8.8 minimum, grade 10.9 for large frames) secured with Nord-Lock washers or prevailing torque locknuts.

Units up to size 50 feature factory sealed bearings pre-packed with long-life synthetic grease (Greased for life).

Frame sizes 60 and above incorporate grease nipples on end bell housings, requiring periodic replenishment with high-temperature synthetic vibrator grease every 500 to 1,000 operating hours.

What we do not claim

OLI / OLI-WOLONG and model names are trademarks of their respective owners and are used only to identify the equipment for which we source parts. SpareX is not an official dealer, distributor or representative of OLI / OLI-WOLONG and is not affiliated with the trademark owner. Origin, documents and warranty are stated for each item in the quotation.