Shaftless Screw Conveyors and Spiral Handling Systems Wildfellner

Austrian shaftless screw conveyors Type RL(N) and flexible spiral systems Type SL(N)/KL(N) by Wildfellner. Technical equipment selection.

Heavy-Duty Shaftless Screw Conveyors Wildfellner Type RL(N)

Wildfellner Type RL(N) shaftless screw conveyors deliver dependable bulk handling under continuous plant duties. Rigid spiral augers with diameters from 50 to 700 mm reach throughput rates up to 600 m³/h. The rugged trough profile conveys bulky materials with piece lengths up to 400 mm smoothly.

Rigid spiral diameters from 50 to 700 mm customized to bulk density
Continuous throughput volume up to 600 m³/h under demanding plant operations
Fabricated as enclosed tube or open trough in carbon steel and stainless steel
Smooth transfer of bulky materials up to 400 mm piece length without bridging

Flexible Shaftless Spiral Conveyors Wildfellner Type SL(N)

Wildfellner Type SL(N) flexible spiral conveyors transfer fine bulk materials across complex spatial layouts. The system utilizes resilient spirals and smooth tube bends to convey material up to 120 metres in length. It protects fragile pellets and granules while preventing dust leakage.

Conveys dry powders, pellets, granulates, and dusty fractions up to 45 mm
Route configurations up to 120 metres using smooth-radius conveyor tubing
Elimination of intermediate transfer points minimizes wear and dust spread
Durable conveyor tubes available in wear polymer, carbon steel, and stainless

Extended Distance Flexible Conveyors Wildfellner Type KL(N)

Wildfellner Type KL(N) flexible spiral systems are engineered for extended routes up to 300 metres with tight bend radii. The proprietary helix geometry negotiates narrow structural passages throughout existing plants. The equipment adapts directly into tight rooms without building alterations.

Extended conveying runs reaching up to 300 metres within a single stream
Reduced bend radius allows compact bypass around building columns and beams
Lower energy consumption through shaftless design eliminating core drag
Smooth handling of polymer pellets, chemicals, and fine wood meal without plugs

Vertical Shaftless Spiral Elevators Wildfellner Systems

Wildfellner vertical shaftless spiral conveyors achieve vertical lift heights up to 28 metres without intermediate transfers. The coreless spiral geometry eliminates rope wrapping from wood chips, bark, and stringy industrial waste. The compact column preserves floor area in production halls.

Vertical continuous conveying height up to 28 metres in a compact footprint
Coreless design prevents wrapping and clogging from fibrous bulky materials
Minimal floor footprint requirement compared to inclined conveyor belts
Equipped with regulated intake hoppers and level sensors for steady feed

Wear-Resistant Trough Liners and Pipe Inserts Wildfellner

Wildfellner manufactures modular protective trough liners to safeguard conveyor housings against severe abrasion. Liners are produced from ultra-high-molecular-weight polyethylene, Hardox wear alloy steel, and tungsten carbide. Snap-in mounting simplifies replacement during overhaul intervals.

Low-friction UHMW-PE liner inserts optimized for abrasive sliding motion
Wear-resistant Hardox alloy steel trough plates for heavy-impact minerals
Segmented design enables fast modular replacement through inspection hatches
Extends conveyor structural housing lifetime by three to five times

Replacement Shaftless Spirals and Drive Units Wildfellner

We deliver replacement shaftless spirals and drive modules for Wildfellner conveyors by plant identification. The manufacturer maintains more than 150 spiral sizes in active inventory. Experienced engineers configure replacement augers and SEW-Eurodrive gearmotors to match operating parameters.

Over 150 rigid shaftless spiral dimensions maintained in active inventory
Rapid configuration by outside diameter, flight thickness, and spiral pitch
Heavy-duty SEW-Eurodrive helical and bevel gearmotors for smooth torque
Head-end thrust bearing assemblies and dust-tight connection flanges

Engineering Selection and Plant Integration of Wildfellner Systems

SpareX coordinates direct equipment selection and supply of Austrian Wildfellner shaftless spiral conveyor systems for processing plants worldwide.

Our technical engineering division performs bulk material flow assessments, calculates drive torque parameters, and designs custom routing configurations.

We prepare full technical specifications for outfitting biomass energy plants with heavy-duty Type RL conveyors, as well as recycling and chemical processing facilities with versatile Type SL and KL systems. Deliveries include complete factory drawings, electrical schematics, and operating manuals.

Advantages of Centreless Helix Technology in Heavy Bulk Handling

Wildfellner shaftless spiral conveyors feature a heavy-gauge steel helix that rotates inside the conveyor trough without a continuous centre pipe. The absence of an internal shaft prevents stringy materials, wires, branches, and plastic film from wrapping around the rotor.

The unobstructed internal cross-section allows large bulky lumps up to 400 mm to travel smoothly along the trough without bridging.

The coreless principle minimizes mechanical friction points and eliminates intermediate hanger bearings, delivering superior plant availability under continuous operation.

Extended Routing Capabilities of Type SL and KL Flexible Systems

Wildfellner Type SL and KL flexible spiral systems negotiate multi-directional plant layouts without requiring intermediate transfer hoppers. The resilient steel spiral rotates within specialized tube sections that follow building contours and bypass structural columns.

Type SL provides dependable conveying over distances up to 120 metres with generous curve radii, while Type KL navigates narrow passages over routes reaching up to 300 metres. The closed tube architecture prevents product degradation, stops dust emission, and protects moisture-sensitive bulk goods.

Continuous Vertical Elevation of Bulk Media up to 28 Metres

Wildfellner vertical spiral elevators provide vertical material elevation up to 28 metres within a single uninterrupted machinery column. The system lifts damp sludge, wood chips, and granules reliably without the clogging issues common to conventional bucket elevators.

The vertical arrangement preserves valuable production floor space and eliminates complex transfer towers between processing levels. Regulated feed hoppers and speed monitoring sensors ensure balanced filling degrees, preventing material compacting and motor overload during high-volume plant shifts.

Modular Wear Protection and High-Performance Trough Liners

To withstand severe mechanical abrasion from minerals, crushed glass, and metal turnings, Wildfellner conveyor troughs feature modular replaceable liners. Liners are produced from low-friction UHMW-PE polymers, hardened Hardox alloy steel, and tungsten carbide composites.

The modular liner sections are secured by snap-in retainers that enable rapid replacement through top inspection hatches during scheduled maintenance. Using application-matched liners extends trough structure longevity, lowers drive power requirements, and reduces routine maintenance downtime.

Warehouse Spiral Availability and Specialized SEW Drive Packages

To prevent prolonged shutdowns during peak seasonal harvesting and heating campaigns, Wildfellner maintains an extensive inventory of over 150 rigid shaftless spiral sizes at the Austrian manufacturing facility. Spirals are rapidly selected by outside diameter, steel thickness, and flight pitch.

Conveyor systems are paired with robust SEW-Eurodrive helical and bevel-helical gearmotors configured to meet high starting torques. Complete assemblies include reinforced head-end thrust bearing units, dust-tight mechanical seals, and safety switches conforming to European machinery standards.

Wildfellner 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 Wildfellner and is not affiliated with the trademark owner. Origin, documents and warranty are stated for each item in the quotation.