Finished Part
3D-Printed Foam Shoe
Smoothed surface and softened layer-line texture.
Polar Finishing Equipment
Polar BIS Series Internal Separation Vibratory Bowls
Internal-separation vibratory bowls for continuous production finishing
Automate part discharge while retaining and recirculating process media. Polar BIS bowls combine robust urethane construction, controlled media flow, and integrated separation for repeatable high-volume finishing.
Capacity
3-20 cu ft
BIS Capacities
Internal
Part Separation
Continuous
Media Recirculation
Production
High Throughput
Automated finishing without manual media sorting
Internal Separation
- Diverts finished parts to discharge
- Retains process media
- Reduces manual handling
Durable Process Bowl
- Hot-poured urethane lining
- Consistent spiral media flow
- Built for recurring production
Process Control
- Adjustable finishing action
- Wet compound-ready configuration
- Automation options available
Scalable Capacity
- 3, 5, 10, and 20 cu ft models
- Match part envelope and throughput
- Application testing support
Technical Specifications
Polar BIS Series internal-separation vibratory bowls automate part discharge while retaining and recirculating finishing media. Designed for recurring production deburring, radiusing, cleaning, polishing, and surface preparation, the series scales from 3 to 20 cubic feet.
Available models
- FM-BIS-03 — 3 cu ft with internal separation and variable-speed drive
- FM-BIS-05 — 5 cu ft internal separation
- FM-BIS-10 — 10 cu ft internal separation
- FM-BIS-20 — 20 cu ft internal separation
Available options include compound and water dosing, covers, pneumatic functions, PLC/HMI controls, and automated unload packages. Final configuration is application-matched to part geometry, media, cycle, and required throughput.
Built to order. Freight quoted separately. Request a quote for current lead time and application review.
See vibratory finishing in action
Finished parts from vibratory bowl processing
Representative results depend on part geometry, material, media, compound, and cycle settings.
Finished Part
Copper Stationary Contact
Deburred edges with a clean, uniform surface.
Finished Part
Steel Frying Pan
Cleaned and deburred steel surface.
Finished Part
Steel Rifle Receiver
Polished machined receiver with consistent edge finishing.
Finished Part
CNC Aluminum Pistol Grip
Finished aluminum with an even production-ready surface.
Finished Part
Titanium Finger Rings
Polished titanium surfaces and softened support marks.
Applications & finishing examples
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Application
Production Deburring
Condition machined, stamped, and cast parts in repeatable high-volume batches.
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Application
Edge Radiusing
Create consistent edge break before coating, plating, or assembly.
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Application
Cleaning & Polishing
Remove scale and improve surface finish with a matched media and compound process.
Complete Your System
Tumbling Media & Finishing Compounds
Plastic, ceramic, and steel media matched to your parts and required surface finish. Compound dosing systems and replacement items also available.
Shop Tumbling Media & Accessories
Internal-separation vibratory bowls for automated mass finishing
Polar BIS vibratory bowls are designed for recurring production deburring, edge radiusing, cleaning, polishing, and surface preparation. Integrated internal separation discharges finished parts while process media remains in the bowl, reducing manual sorting and improving throughput.
Available capacities support small production cells through high-volume operations. Machinist's Vault can help validate part-to-media separation, recommend media and compound, and configure controls around your required cycle and discharge workflow.
Frequently Asked Questions
At the end of the finishing cycle, the bowl directs parts across a separation screen or gate while smaller process media returns to the bowl. Separation suitability depends on the size difference between the parts and media.
Capacity depends on part envelope, batch weight, media ratio, cycle time, and required hourly throughput. We size the system after reviewing representative parts and production targets.
Yes. Controls, compound dosing, pneumatic separation, covers, and unload options can be configured around the application and desired operator involvement.