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What is a bowl feeder?
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Bowl Feeders
Vibratory Bowl Feeders are among the most sophisticated, reliable, and robust feeding units available on the market today. RNA bowl feeders carefully feed and orient your products while ensuring a consistent and accurate flow of components into your production machinery.
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RNA OFFER
Standard feedersCustom, customer-specific solutions
Suitable for Industrial, Pharmaceuticals, Medicals
Our unique patented multi-magnet drive units ensure smooth, consistent feed characteristics with minimal vibration transmitted to the assembly machine. All drive units and associated control boxes are CE marked and, where required, UL/CSA approved for the North American market.
RNA bowls can be manufactured from a variety of materials, including stainless steel, aluminum, and polyamide, with optional coatings such as polyurethane, Habasit, brush, flock, or Metaline—each selected to best suit the specific application.
Available in sizes ranging from 69 mm to 1,200 mm in diameter, RNA offers a complete range of vibratory bowl feeders available from stock, including drive units, bowls, bowl centers, control boxes, and accessories such as stands, base plates, sound enclosures, and sensors. Custom configurations are available upon request.
We also design and manufacture tooling for component orientation, which—combined with our standard equipment—provides fully integrated systems ready for use in process machinery, packaging lines, and assembly operations.
1. Bowl Top
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Bowl Top
RNA bowls can be made from a range of materials, including stainless steel, aluminum, and polyamide, with various coatings selected to suit the specific application.
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2. Drive Unit
3. Control Box
4. Hopper
5. Linear Feeder
6. Escapements and Nests
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Bowl Top
RNA bowls can be made from a range of materials, including stainless steel, aluminum, and polyamide, with various coatings selected to suit the specific application.
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Drive Unit
RNA drive units are compatible with most voltages and frequencies on the market, and, along with RNA standard control boxes, are UL/CSA approved for the US and Canadian markets.
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Control Box
RNA provides state-of-the-art control boxes for all vibratory drive units. All control boxes are CE approved and also available with CSA/UL certification.
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Hopper
From a 5-liter vibratory BVL-type hopper to a 350-liter “Bunkerband” inclined hopper, we can supply standard models off the shelf with short lead times and competitive prices.
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Linear Feeder
RNA linear feeders enable linear sorting (linear sorting tracks). They can be up to 2 meters long and are available to suit virtually any application.
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Escapements and Nests
Part presentation for next process
RNA designs and develops part escapements and nests for the next stage of the production process.
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RNA designs and develops part escapements and nests for the next stage of the production process.
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Key Benefits
Low noise
Operates quietly with minimal transmitted vibration thanks to the advanced multi-magnet systemDurable
Exceptional durability with smooth feed characteristics and simple servicing requirementsFeed complex parts
Versatile design suitable for nearly all component types, including complex-shaped partsHigh output
Multi-lane part feeding enables higher output rates to meet increased production demandsCost effective
A cost-effective alternative to manual labor, reducing both time and labor costs for manufacturersEasy retooling
Easily retooled to accommodate changes in product design, style, or sizeWhat is a vibratory bowl feeder?
Vibratory bowl feeders are the most common part-feeding devices used in industrial assembly automation. They are self-contained systems consisting of a specially tooled bowl that orients components, a vibrating drive unit on which the bowl is mounted, and a variable-amplitude control box.
How does a bowl feeder work?
The bowl feeder, often including an outfeed accumulation track to convey and discharge parts into an assembly machine, is available in many shapes and sizes. The drive unit—available in electromagnetic or pneumatic versions—vibrates the bowl, causing parts to move up a circular, inclined track. This track is engineered to sort and orient parts into consistent, repeatable positions.
Track length, width, and depth are carefully selected to match the application and component geometry. Special track coatings are applied based on the part’s shape, size, and material to improve traction, prevent product damage, and reduce noise levels. A variable-speed control box regulates the vibration and, using sensors, can start or stop the flow of parts to the outfeed track as needed.
Applications of bowl feeders
Vibratory feeders are used across a wide range of industries, including pharmaceutical and medical, automotive, electronics, industrial components and fasteners, packaging and plastics industries.
They are also utilized in sectors such as glass, foundry, steel, construction, recycling, pulp and paper, and plastics.
Vibratory feeders provide a cost-effective alternative to manual labor, reducing both production time and labor costs. When selecting a feeder, factors such as industry type, application, material properties, and product volume must be carefully considered.
RNA engineers and manufactures some of the most reliable, high-quality vibratory part-feeding systems in the industry, offering low-maintenance, accurate handling solutions for a wide range of materials and applications.
Our experienced project managers oversee the entire production process to ensure quality and performance. If you’re looking for a high-quality vibratory feeder or a special-purpose handling system, please don’t hesitate to contact us by phone, email, or our online inquiry form.
Escapements and Nests
RNA Automation also offers complete feeding and handling solutions, including escapements and nests, to accurately position components for collection by customer handling units. Read More >>
RNA Specialist Range RNA provide standard and custom feeding systems.
Applications
Bowl Feeder for Automotive Clips
Vibratory bowl feeding and handling system to feed and orientate Automotive Clips and Fasteners
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3D Printed Bowl Feeder for Pushers
3D Printed Bowl Feeder for Filigree Parts from the Electrical Industry.
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3D Printed Bowl Feeder for O Rings
3D printed vibratory bowl feeders handling O-rings. A nylon material with an anti-static additive is used for the bowl.
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Multi-lane bowl feeder handles and orientates Spray Nozzle Tip Caps
6 lanes Multi-lane Vibratory bowl feeding and handling system handles and orientates Spray Nozzle Tip Caps
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Vibratory bowl feeder to handle Pharmaceutical Caps
Vibratory bowl feeding and handling system to feed and orientate Pharmaceutical Caps; Developed with GAMP Pharmaceutical standards
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Vibratory Bowl Feeders to handle Caps
Vibratory bowl feeding and handling system to feed and orientate at 300 caps per minute
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Vibratory Bowl Feeder for Pharmaceutical Caps
Vibratory bowl feeding and handling system to feed and orientate pharmaceutical caps (CSA/UL Approved)
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Vibratory Bowl Feeder Batch Feeding for Screws
A standardised screw feeding system for the furniture industry.
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Quick Release Bowl Feeder for Pharmaceutical Silicone Stoppers
GAMP pharmaceutical design for class 100 clean room environment.
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Bowl feeder handles Plastic Nuts
Vibratory bowl feeding and handling system to feed and orientate Plastic Nut (CSA/UL Approved)
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Vibratory Bowl feeders handle Terminals
Vibratory bowl feeding and handling system to feed and orientate Positive/Negative Terminal (CSA/UL Approved)
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Vibratory Bowl feeders assemble Test Unit Body and Bead
Vibratory bowl feeding and handling system to assemble Test Unit Body and Bead at 24 components per minute
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Vibratory Bowl feeders handle Threaded Inserts
Vibratory bowl feeding and handling system to feed and orientate threaded inserts
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Bowl Feeder Handles Plungers
Vibrating bowl feeding and handling system to feed and orientate Plunger
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Standard Equipment
Accessories
Cylindrical Bowls, Conical Bowls, Stepped Bowls, Polyamide Bowls
RNA drive units offer reliability and endurance. The use of high performance magnets give a continuous high feed rate regardless of the number of parts in the bowl.
RNA provide state of the art controllers for all vibratory drive units. All controllers are CE approved and also available with CSA/UL certification.
Bowl Coatings
Bowl coatings minimise the wear and tear of the bowl, treat the parts more carefully and reduce the running noises. The coating material can be chosen according to the application and parts.
Base Plates
The base plate enables easy mounting of the drive unit to the machine table. The base plate SRG hat integrated fixing devices for the mounting of control units.
Stands and Top Plates
RNA stands and top plates have a large height-regulating range. Due to their finely adjustable regulation, they enable an optimal interface compensation at the part discharge points.
Sound Covers
Reduce noise and protect against dust
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