Components

We offer a comprehensive portfolio of high-quality drive, conveyor, and control technology, including belt and vibratory hoppers, conveyor systems, spring untanglers, and industry-specific solutions for the pharmaceutical and food industries. In addition to standard components, we also manufacture bespoke components such as steep feeders and hopper systems. RNA drives are considered the industry standard for vibratory conveyor technology and stand for performance, reliability, and robustness. All components are field-tested, continuously developed, and thoroughly tested before delivery. Fast delivery, high levels of service, UL approvals, and dedicated employees guarantee the best quality and customer satisfaction.

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Oliver Kirch
TEL.: +49 241 5109 260

Round Drives and Bowl Feeders

Round Drives and Bowl Feeders

Our product range for vibratory conveyors includes circular drives, sorting bowls, bowl bases, control units and accessories such as stands, base plates, soundproof enclosures and sensors — all available from stock. RNA vibratory conveyor drives are regarded as the industry standard due to their high performance, reliability and low maintenance requirements. They provide consistent conveying performance through the use of high-performance magnets in combination with specially developed leaf springs. They are designed for 50 Hz or 100 Hz operation and are available for all mains voltages. We also manufacture our vibratory conveyors to your specifications, e.g. paint finish or spring configuration. The drives are manufactured in compliance with EMC standards and undergo electrical safety testing.

Round Drives Series SRA-Z

The compact SRA-Z round drives offer high reliability, low susceptibility to faults and consistent conveying performance, thanks to high-performance magnets. With an oscillation frequency of 100 Hz, they ensure particularly smooth running — ideal for sorting very small parts and for precise transfer points.

Round Drives Series SRC-N 160 and SRC-N 200

The SRC-N 160-2 and SRC-N 200-2 circular drives are the most compact models in our proven SRC series and are designed for central mounting. A central high-performance magnet and individually configurable leaf spring assemblies ensure powerful, uniform vibration transmission and consistent conveying performance — even during continuous operation and temperature fluctuations.

Round Drives Series SRC-N 250 to 630

The SRC-N 250 to SRC-N 630 rotary drives are among the most widely used vibratory conveyors worldwide. They offer high performance, operational reliability, and virtually load-independent conveying capacity thanks to high-performance magnets and leaf springs. The compact design and simple mechanical configuration ensure reliable conveying performance, even in continuous operation.

Round Drives Series SRHL400

The SRHL400 series circular drives are high-performance units used where high loads and conveying speeds are required. The use of two powerful magnets in combination with six freely configurable leaf spring assemblies ensures sufficient drive force and enables safe operation even at high amplitudes. Depending on the sorting task, SRHL drives are available with full-wave (100 Hz) or half-wave (50 Hz) frequency.

Round Drives Series SRC-N 800

The SRC-N 800 is the largest rotary drive in the RNA range and is specifically designed for large, heavy sorting bowls. Four high-performance magnets and twelve individually configurable leaf spring assemblies ensure reliable, virtually load-independent performance even at high amplitudes. The bowls are securely mounted at 12 radial external attachment points.

Feeder Bowl Series TAG-N

The TAG-N step bowls made of aluminium impress with their high rigidity and smooth running characteristics. The design of the spiral ramps prevents workpieces from jamming beneath the spiral. The bowls can be freely combined with different bases and are mounted radially from above directly on the SRC-N rotary drive.

Feeder Bowl Series TAG-Z

The step-sorting bowls in the TAG-Z series are made of high-quality aluminium and offer particularly smooth and quiet running thanks to their high rigidity. The design of the spiral ramps prevents workpieces from jamming beneath the spiral. The cast-in base allows easy installation via a central fastening screw on the rotary drive.

Feeder Bowl Series KSB-N

The sorting bowls in the KSB-N series are made of 1.4301 stainless steel and have a conical shape with a welded spiral. This design ensures that the workpieces are automatically separated during operation. The base is reinforced from below, ensuring optimum vibration transmission and stable attachment to the circular drive from above. As with all sorting bowls in the N series, various base variants are available.

Feeder Bowl Series KSB-Z und KSB-B

The sorting bowls in the KSB-Z and KSB-B series are made of 1.4301 stainless steel and feature a conical spiral that separates the workpieces during operation. They are fitted with a welded-in base and can be mounted centrally (KSB-Z) or radially from the outside (KSB-B) on the rotary drive using an adapter plate. The design ensures optimum vibration transmission and smooth operation.

Feeder Bowl Series ZSB-N

The sorting bowls in the ZSB-N series are cylindrical, made of 1.4301 stainless steel, and have a welded-in spiral. They have a small footprint and offer particularly smooth running characteristics. Vertical outer walls allow easy welding of attachments or struts. A bonded aluminium ring on the base ensures optimum vibration transmission and stable fixing on the rotary drive. As with all N series bowls, various base variants are available.

Feeder Bowl Series ZSB-Z and ZSB-B

The sorting bowls in this series are cylindrical and made of 1.4301 stainless steel. The spiral is welded continuously to the bowl wall and the weld seam is cleanly finished. They have a welded-in base that allows either central fixing (Z) or radial fixing (B).

Printed Feeder Bowl Series KKD-Z

The KKD-Z cone sorting bowl is printed from wear-resistant plastic and reliably transfers drive vibrations to the bowl and the workpieces. It is manufactured for exact reproducibility and includes dedicated areas for sorting and returning rejected parts. Additional sorting and discharge accessories can be easily attached to the existing screw fixings. No coating is required.

Feeder Bowl Series KKF-Z and TKF-Z

The sorting bowls in this series are machined from PAG in our machining centre. The spiral geometry is tailored to the workpiece being conveyed. A further advantage of these sorting bowls is their low noise emission and minimal part abrasion. They are also exactly reproducible at any time.

Linear Feeders

Linear Feeders

RNA linear conveyors ensure efficient, linear transport of workpieces — even in multi-lane configurations for higher throughput. They perform transport, buffering, and storage functions and ensure a continuous supply of material. They also serve as the drive for vibrating hoppers, enabling smooth, gap-free material flow and high filling weights. RNA linear conveyors stand out for their high conveying capacity, reliability, and ease of use, even over long distances and under demanding conditions.

The series is fully digitised: using the cloud-based simulation software DigitalMotion, the natural frequency, throw angle, and leaf springs can be optimised for the system in advance.

Linear Conveyors SLL 175

The SLL 175 series of linear conveyors was developed specifically for use in compact feeding systems as accumulation linear conveyors. It offers two particular advantages: a patented spring angle adjustment with constant magnetic gap and stable rail position, as well as interchangeable vibration profiles for flexible applications. Optional extensions and bases are available.

Linear Conveyors SLL 400

The SLL 400 series linear conveyors are designed for use as accumulation linear conveyors in feeding systems and are also suitable for the manufacture of compact vibrating hoppers. The specially developed vibrating profile with continuous groove allows easy installation of sorting rails or hopper troughs. Like all SLL models, they feature a patented spring angle adjustment with a constant magnetic gap and stable rail seating, as well as interchangeable vibrating profiles.

Linear Conveyors SLL 800

The SLL 800 series linear conveyors are ideal for use as accumulation linear conveyors in feeding systems and are also suitable for the manufacture of compact vibrating hoppers. The specially developed vibrating profile with continuous groove allows easy installation of sorting rails or hopper troughs. Like all SLL models, they feature patented spring angle adjustment with a constant magnetic gap and stable rail seating, as well as interchangeable vibrating profiles. Installation extensions and base frames are available as options.

Linear Conveyors 804

The SLL 804 series is the heavy-duty version of the SLL 800 and was developed specifically for large and heavy accumulation sections. The higher dead weight in combination with the optimised magnet arrangement delivers a particularly high performance range. The vibrating profile with continuous groove allows easy installation of sorting rails or hopper troughs. Like all SLL models, they feature a patented spring angle adjustment with constant magnetic gap and stable rail seating, as well as interchangeable vibrating profiles. Installation extensions and base frames are available as accessories.

Linear Conveyors SLL 804 Z

The SLL 804 Z series is based on the SLL 804 and offers the same dimensions and features, but has a higher number of spring assemblies. This is particularly advantageous at high drive amplitudes, as the required spring force is distributed across several assemblies.

Linear Conveyors SLF 1000

The SLF 1000 series is designed for very heavy vibrating superstructures (approx. 50 kg) and high amplitudes. Rail lengths from 1,000 to 3,000 mm can be reliably achieved. It is also ideally suited for vibration hoppers with a load capacity of up to 200 kg in combination with frequency control units. The conveyors share the proven features of the SLL series, with optional installation extensions and underframes available.

Linear Conveyors SLC 300/500

The SLC series is ideal for wide, multi-lane transport and storage sections as well as compact hopper systems with high filling volumes and weights. Two magnets arranged in parallel distribute the force effectively across four leaf spring assemblies. Depending on the design, payloads of up to 100 kg are possible for hopper drives and up to 40 kg for accumulation sections. The gentle, even vibration transmission can be optimised via adjustable spring angles and weight adjustment. Operation with the ESR and SCF frequency controllers is recommended.

Linear Conveyors SLK

The SLK series is designed to drive vibratory chutes and ensures linear transport and metered feeding of bulk parts.

Linear Conveyors SLA

The SLA linear conveyor ensures a precise and stable connection to vibratory and linear conveyors or separators. Fixed mounting ensures consistent running performance, regardless of substructure mass or environmental influences. Transverse vibrations are avoided, ensuring safe transitions at upstream and downstream interfaces even with critical workpiece geometries. The mounting is spring-free and easy to position thanks to adjustment holes.

Linear Conveyors PARU Mini

The PARU Mini series (XS and S) is ideal for precise transitions. The counter-oscillation principle almost completely compensates for oscillating forces, protecting the substructure. The drives ensure precise interfaces, prevent mutual interference between connected devices, and remain easy to maintain thanks to adjustable fixings.

Linear Conveyors SLS

The linear conveyors ensure high-precision transitions from the separation station to the outlet of the sorting bowl. The counter-oscillation principle compensates for oscillating forces and prevents them from being transmitted to the substructure. Mutual interference between devices is avoided, ensuring maximum precision at the interfaces even in close proximity.

Vibration Hoppers and Belt Hoppers

Vibration Hoppers and Belt Hoppers

Hoppers play a central role in ensuring a reliable and economical production process. Controlled filling reduces variation in running speed across the feed system, resulting in a uniform material flow. Gentle handling of parts minimises damage and scrap, increases material utilisation efficiency, and extends the service life of downstream components. At the same time, system availability improves as jams and malfunctions occur much less frequently.

Vibration Hopper Series BVL

The BVL series vibration hoppers are used for the metered filling of downstream sorting bowls. The stainless steel hopper trough (1.4301, glass bead blasted) ensures optimum vibration transmission and high rigidity. The adjustable outlet chute guides the workpieces precisely, while the factory-set payload enables pre-separation at increasing speeds. Fine-tuning is possible at any time. Available from stock.

Mini Vibrating Hopper Series BVL-M

The BVL-M series vibration hoppers are based on the BVL design and are intended for low filling volumes. They are ideal for small sorting bowls or vibration platforms. The factory-set payload ensures pre-separation of the workpieces at increasing speeds, with fine-tuning possible at any time.

Vibration Hoppers BVL-S and BVL-SE

The BVL-S series vibrating hoppers are a further development of the BVL series and have the same characteristic properties. The sloped rear of the hopper pan accommodates an optional quick-release flap. Available from stock.

Vibration Hopper Series BV

The BV50–BV200 vibrating hoppers are designed for storing and metered feeding of large quantities of heavy materials. The specially designed stainless steel hopper troughs (1.4301) in combination with linear drives and ESR and SCF control units enable payloads of up to 200 kg. They are suitable for both high conveying capacities and the feeding of large or heavy workpieces.

Vibration Hopper Series BVL-P

The BVL-P vibratory hoppers are designed for the precise and controlled feeding of bulk parts. The stepped hopper floor ensures that workpieces are transferred to the next process in a single layer. They are particularly suitable for use with vibration platforms.

Mini-Band Conveyors and Conveyors

Mini-Band Conveyors and Conveyors

Our conveyor belt range includes the RNA narrow-gauge belt FP15 E, the double narrow-gauge belt FP15 D (belt widths 10–40 mm, centre distances 200–3,000 mm), and the FP120 series for belt widths 50–800 mm and centre distances 500–12,000 mm. Accessories such as knife edges, side guides, and stands complement the standard range. We also offer custom solutions, including articulated, Z-belt, and toothed belt conveyors, and can develop tailored concepts with full consultation and quotations on request.

FP15E and FP15D Narrow-Gauge Belts

The FP15 series of RNA narrow-gauge conveyors is ideal for versatile transport tasks in confined spaces. The FP15E is suitable, for example, as a buffer section for transferring components in the correct orientation to separation stations. The FP15D double narrow-gauge conveyor allows hanging workpieces to be transported and devices such as removal stations to be installed between the conveyor bodies. Knife edges on both sides ensure precise transitions, and the aluminium profile of the conveyor body offers flexible mounting options for stands, side guides, and other accessories.

Conveyor Belts FP120

The RNA FP120 conveyor belts are suitable for use across all industrial sectors. The belt body, made from aluminium profiles, allows easy installation of attachments. Standardised assemblies enable flexible and cost-effective adaptation to transport tasks. Variants of the FP120 in stainless steel and different belt configurations are also available.

Incline Feeders

Incline Feeders

Steep Conveyor STF

The RNA STF steep conveyors enable ergonomic loading and safe transfer of workpieces, even with high filling volumes.

The mini version is suitable for confined spaces and return transport from sorting stations. Special features: product-contact parts made of V2A stainless steel, hopper sump to prevent jamming, and compact design.

Inclined and Filling Hoppers

Inclined and Filling Hoppers

BUS Series Sloping Belt Bunker

The BU-S hopper belts store light, large-volume workpieces and increase the autonomy of feeding systems when used in combination with vibratory conveyors. Mounted on FP120 or FK120 conveyor belts, filling volume 65–350 litres, flexible dimensions and custom solutions available.

Compact Inclined Hoppers

The compact BUS25 and BUS50 inclined hoppers are designed for direct mounting on machine tables. The adjustable inclined position allows a lower filling height, while the direct drive ensures reliable operation. Fabricated in brushed V2A stainless steel with cleanly finished weld seams. Accessories such as covers, quick-emptying devices, or cleated belts can be easily fitted.

Belt Bunker BUW Series

The BU-W series belt hoppers are used to store workpieces and increase the autonomy of feeding systems. They are designed for horizontal filling and are based on the proven RNA FP120 conveyor belt. Special features include the compact direct drive and brushed stainless steel construction on both sides. Available from stock.

Step Feeders

Step Feeders

RNA step conveyors combine sorting and gentle parts feeding in a single device. The design allows ergonomic loading of workpieces, which are fed in via counter-rotating lifting plates and transferred to the next process in a part-safe manner.

RNA step conveyors are available for floor installation as well as bench-top versions. The design minimises the installation footprint.

Step Conveyors STS Series

The new generation of RNA STS step conveyors is available in two sizes and features an integrated stationary hopper with a low filling height for manual loading. Workpieces are transported upwards by means of counter-rotating lifting plates and are pre-sorted in the process; clamp protection is available as an option. The conveyor operates with low noise and vibration and, together with linear conveyors and conveyor belts, forms a powerful overall concept for feeding technology, even for the smallest part geometries.

Step Conveyors STS nano Series

Innovative, flexible step conveyor for small bulk parts with adaptable sorting for part families. Easy to maintain, easy to clean, very quiet, and gentle on parts — also suitable for coated or sensitive components. 100% machine-manufactured, optionally with fines separation and quick emptying. Available from stock.

Vibration Platforms

Vibration Platforms

The FlexCube is a highly flexible feeding system for production. In combination with image processing and robots, the patented 3-axis system ensures reliable feeding of even sensitive parts. The parts are evenly distributed and can be aligned as required using structured vibration plates and intelligent vibration movements. This allows entire part families to be separated and fed, making the system future-proof.

FlexCube 50

The FlexCube 50 is ideal for small parts measuring <0.1–5 mm (flat or cubic) and parts up to 10 mm long, such as pins or needles. The feeding system offers a high degree of flexibility and is typically used in conjunction with image processing systems and robots. The 3-axis system ensures reliable feeding of even sensitive parts.

FlexCube 80

The FlexCube 80 is suitable for small parts measuring 3–10 mm (flat or cubic) and parts up to 15 mm long, such as pins or needles. The feeding system offers a high degree of flexibility and is typically used in conjunction with image processing systems and robots. The 3-axis system ensures reliable feeding of even sensitive parts.

FlexCube 240

The FlexCube 240 is suitable for parts measuring 5–40 mm (flat or cubic) and parts up to 50 mm long, such as pins or needles. The feeding system offers a high degree of flexibility and is typically used in conjunction with image processing systems and robots. The 3-axis system ensures reliable feeding of even sensitive parts.

FlexCube 380

The FlexCube 380 is a flexible feeding system for flat and cubic parts measuring 15–60 mm. Used in conjunction with image processing systems and robots, it enables reliable feeding of even sensitive parts thanks to its 3-axis system and offers high flexibility in production.

FlexCube 530

The FlexCube 530 is a flexible feeding system for flat and cubic parts measuring 30–150 mm. Combined with image processing and robots, its 3-axis system enables the reliable feeding of even sensitive parts and offers maximum flexibility in production.

Control Units

Control Units

RNA offers optimum control solutions for vibration drives — from simple phase angle control to high-end microprocessor-based frequency control units. The units are economical, user-friendly, and enable the operation of feeding systems without a higher-level control system. They are matched to the magnetic characteristics of RNA vibratory and linear conveyors and are available in CE and CSA/UL versions.

SCU Series Control Units

The compact SCU control unit is designed for all RNA vibratory drives and controls load currents up to 6 A. The LED display allows the conveyor speed to be set precisely, and the modern control technology maintains it even when the mains voltage fluctuates. The unit provides enable input via a 16–30 V signal, operating status monitoring, and an adjustable ramp function for smooth start-up and shutdown. It can be operated on 230 V or 115 V mains, and all settings are made directly on the display.

ESK Series Control Units

The control units in the ESK series were developed specifically for controlling vibration drives in conjunction with sensors. This allows users to programme simple control sequences for a feeding system directly in the control unit. Like all RNA control units, ESK units also have a communication port for external controls. They also offer the option of connecting two sensors and activating solenoid valves or warning lights, for example. The units automatically adjust to the mains input voltage.
Depending on the model, up to three vibration drives can be operated from one unit (phase control). It is also possible to connect AC motors.

ESR2000 Series Control Units

The ESR2000 frequency control unit is functionally identical to the ESK series, but also offers the user the option of adjusting the output frequency. This allows each vibratory drive to be operated at its optimum natural frequency. Connecting up to two sensors and activating a solenoid valve allow the required feed functions to be programmed independently in the unit. Communication with external control systems is also possible.

ESR2500 & 2800 Series Control Units

The ESR2500 & ESR2800 frequency controllers are designed for all RNA vibratory drives and control load currents up to 9 A. The unique calibration function continuously monitors the mechanical movement of the vibratory conveyor and regulates the conveyor speed independently of the load — similar to cruise control — without the need for an additional sensor. Like all RNA control units, they feature an ergonomic design for direct installation on the vibration drive and allow the connection of sensors to optimise the feeding process.

ESM906 & ESM910 Series Control Modules

The RNA ESM906 and ESM910 control modules are simple phase angle controllers for speed control of vibration drives. They are designed for easy installation in a control cabinet. Power control is via potentiometer, analogue setpoint or analogue current injection, and an enable input allows the modules to be switched on and off without power interruption.

SCF3000 Series Control Modules

The SCF3000 frequency control unit is characterised primarily by optimised energy efficiency through reactive power compensation and constant output voltage. Once calibrated to the magnet, the output voltage is maintained by the unit regardless of the mains input voltage. This function allows a vibration drive to be operated worldwide with the same parameters. In combination with an oscillation amplitude sensor, the user can easily determine the resonance frequency of the vibration unit and set the desired conveyor speed independently of the load. A comprehensive programming menu for additional functions, a fieldbus interface, and an active mains filter complete the performance specification of this control unit.

Control modules of the SCF3000M series

The SCF3000M frequency control unit is designed for installation in control cabinets and is characterised primarily by optimised energy efficiency through reactive power compensation and constant output voltage. Once calibrated to the magnet, the output voltage is maintained by the unit regardless of the mains input voltage. This function allows a vibration drive to be operated worldwide with the same . In combination with an oscillation amplitude sensor, the user can easily determine the resonance frequency of the vibration unit and also set the desired conveyor speed independently of the load. A comprehensive programming menu for additional functions, a fieldbus interface, and an active mains filter complete the performance specification of this control unit.

EBF05 Frequency Converter for Conveyor Belts

The control units in the EBF05 series are designed for operating three-phase motors. They are used wherever speed control is required for conveyor belts, belt hoppers, or step conveyors. The design of this unit also allows additional functions for the feeding process to be integrated. For example, speed can be controlled by an external control system, or start/stop can be activated in combination with a sensor.

Spring Untanglers

Spring Untanglers

Spring Untanglers

The spring untangler separates intertwined springs so that they are ready for further processing or metered feeding. It is often used in combination with vibratory conveyors or hoppers to feed the springs efficiently and prepare them for further processing. It is suitable for small to medium-sized springs, offers high reliability, and can be integrated between a hopper and a vibratory conveyor or between two vibratory conveyors. It is made of stainless steel and features an external on/off switch with an additional safety function.

CAD Models

Welcome to our CAD portal

Here you can download all CAD models of our component range and integrate them directly into your design. You will also find all the important information on design, dimensions, material and much more. You also have the option of creating a parts comparison.

You can order all items directly from us via a request for an offer, just like in an online shop.