HBC Series Centrifugal Barrel Finishers
The DB Series is ideal for shorter cycle times and for those new to mass finishing. Two different sizes are available for large and small batch sizes. Economical and durable, the DB Series are one of our most popular vibratory tumblers.
High-Energy Mass Finishing for Precision Deburring and Polishing
The HBC Series Centrifugal Barrel Finishers deliver some of the fastest and most precise mass finishing results available in the industry. Designed for high-energy deburring, polishing, radiusing, and surface refinement, these machines provide dramatically shorter process cycles compared to traditional vibratory finishing systems.
Unlike conventional vibratory tumblers that rely on relatively slow media movement, centrifugal barrel finishing generates extremely high G-forces inside rotating barrels. This increased energy forces media to act more aggressively against parts, producing consistent and repeatable results in a fraction of the time. In many applications, centrifugal barrel finishing can process parts up to 10 times faster than vibratory systems while maintaining tight dimensional control and uniform finishes.
The HBC Series is ideal for manufacturers requiring precision finishing for complex or high-value parts, particularly where consistent edge radiusing, burr removal, or polishing is critical.
How Centrifugal Barrel Finishing Works
HBC Series machines use a vertical turret that holds multiple horizontal barrels. As the turret rotates, each barrel counter-rotates, creating high centrifugal forces that compress the finishing media and parts against the barrel wall.
This high-energy environment delivers several advantages:
- Rapid deburring and edge radiusing
- Highly consistent finishing results
- Controlled material removal
- Reduced process times
- Ability to isolate parts to prevent part-on-part contact
Many HBC models allow barrels to be divided into compartments, enabling delicate or precision components to be processed individually. This is particularly valuable when finishing medical, aerospace, and precision machined components.
HBC Series Model Overview
HBC Series Specifications |
||||
|---|---|---|---|---|
Model |
Total Capacity |
Typical Application |
Max Part Size |
Key Features |
HBC-250 |
0.25 cu ft | Small precision components | Up to ~5″ parts | Compact system for medical, dental, and precision parts |
HBC-500 |
0.5 cu ft class | Small production batches | Small parts | High-energy finishing with minimal footprint |
HBC-1500 |
1.5 cu ft | Small to medium production | Small and medium parts | Removable barrels for fast batch changeover |
HBC-4000 |
4 cu ft | Versatile production finishing | Parts up to ~27.5″ | Optional automation and compartmentalized barrels |
HBC-6000 |
6 cu ft | Higher volume finishing | Parts up to ~30″ | Increased capacity with compartment options |
HBC-12000 |
12 cu ft | Large scale automated finishing | Parts up to ~44″ | Fully automated material handling and separation |
Specifications may vary depending on configuration and automation options.
Advantages of the HBC Series
Dramatically Faster Processing
High-energy centrifugal action allows parts to be processed significantly faster than with vibratory finishing systems. Faster cycle times increase throughput while reducing labor and equipment footprint.
Exceptional Process Control
Integrated PLC and touchscreen controls allow operators to store and recall finishing processes, ensuring repeatable results from batch to batch.
Flexible Batch Processing
Removable barrel liners and modular barrel designs allow operators to prepare multiple batches while the machine is running, minimizing downtime between cycles.
Precision Finishing for Critical Components
The ability to divide barrels into multiple compartments enables processing of delicate or high-value parts without risk of part-on-part damage.
Reduced Media and Compound Consumption
Smaller barrel volumes and efficient media movement often reduce overall media and compound usage compared to traditional tumbling processes.
Typical Applications
The HBC Series is widely used in industries requiring precise and repeatable surface finishing.
Common applications include:
- Medical device components
- Dental implants and instruments
- Aerospace machined components
- Precision turned parts
- Automotive components
- Electronics and connector parts
- Additive manufacturing post-processing
- Small mechanical assemblies
Processes performed include:
- Deburring
- Edge radiusing
- Surface smoothing
- Polishing and bright finishing
- Descaling
- Surface preparation prior to coating
HBC Series Design Features
HBC Series machines incorporate heavy-duty construction and operator-friendly controls to support demanding production environments.
Key features include:
- High-energy centrifugal barrel finishing design
- PLC and touchscreen process controls
- Programmable process storage for repeatability
- Removable barrel liners for fast loading and unloading
- Variable speed operation for process flexibility
- Integrated safety features including door interlocks and emergency stop
- Heavy-duty drive systems for long service life
- Stainless steel construction for corrosion resistance
- Optional automated media and compound systems on larger models
These features allow manufacturers to implement precise finishing processes while maintaining simple and reliable machine operation.
HBC Series Centrifugal Barrel Finisher Specifications |
|||||||
|---|---|---|---|---|---|---|---|
Model |
Total Capacity |
Barrel Capacity |
Barrel Dimensions (Internal) |
Machine Dimensions (W × D × H) |
Motor |
Turret Speed |
Power Requirements |
HBC-250 |
0.25 cu ft (7.07 L) | 0.0625 cu ft per barrel (4 barrels) | 4.5″ W × 6″ H | 28.5″ × 28.5″ × 48″ | 1 HP | 0–300 RPM | 208/230V, 1-phase |
HBC-500 |
0.50 cu ft (14.16 L) | 0.125 cu ft per barrel (4 barrels) | 6″ W × 6.75″ H | 32″ × 32″ × 51″ | 2 HP | 0–250 RPM | 208/230V, 1-phase |
HBC-1500 |
1.5 cu ft | ~0.375 cu ft per barrel (4 barrels) | Removable urethane barrels | Compact floor model | PLC controlled | Up to ~25G finishing energy | Industrial power |
HBC-4000 |
4 cu ft (112 L) | 1 cu ft per barrel (4 barrels) | 8.5″ D × 27.5″ W | ~91″ × 88″ × 122″ | Industrial drive | Variable speed | 3-phase industrial |
HBC-6000 |
6 cu ft (168 L) | 1.5 cu ft per barrel (4 barrels) | 10″ D × 30″ W | 102″ × 75″ × 76″ | 25 HP | 0–175 RPM | 380–480V, 3-phase |
HBC-12000 |
12 cu ft (338 L) | 3 cu ft per barrel (4 barrels) | 12.5″ D × 44.5″ W | 124″ × 81″ × 138″ | 30 HP | 0–175 RPM | 440–480V, 3-phase |
When to Choose Centrifugal Barrel Finishing
Centrifugal barrel finishing systems like the HBC Series are often the best solution when:
- Precision edge radiusing is required
- Process times must be minimized
- Part-to-part consistency is critical
- Parts cannot contact each other during finishing
- High-value or delicate components are being processed
While vibratory finishing remains effective for many general deburring applications, centrifugal barrel finishing excels when speed, precision, and process control are the top priorities.
Work With Kramer to Configure the Right System
Selecting the correct centrifugal finishing system depends on part geometry, production volume, media selection, and process goals. Kramer Industries works with customers to determine the optimal finishing solution based on real production requirements.
Our team can assist with:
- Process development and testing
- Media and compound selection
- Equipment configuration
- Integration into existing finishing operations
Contact Kramer Industries to learn more about how the HBC Series Centrifugal Barrel Finishers can improve finishing efficiency and consistency in your operation.

HBC-500 Main

HBC-1000 Main

HBC-1500 Barrel

HBC-6000
Related Products
-

EV Series – Heavy-Duty Grade, Tub-Style, Floor Model, Vibratory Tumbler
$12,995.00 Learn More
The EV Series is engineered for production environments and heavy usage. Multiple sizes are available with customizable sizes commonly manufactured. One of the most heavy duty vibratory systems available. -

Plastic Tumbling Media
$3.27 Learn MorePlastic Tumbling Media is recommended for general purpose metal removal, pre-plate finishing, and moderate cutting. Plastic Tumbling Media is ideal for soft metals such as brass and aluminum or for stringy materials to avoid rolling the burr into a hole.
-

MB Series – Heavy-Duty Grade, Mini-Bowl Style, Vibratory
$729.00 Learn MoreThe MB Series is ideal for shorter cycle times and small batch runs. Economical and durable, the MB Series are great ?starter? systems for those looking to get into mass finishing or need a unit for scale-up testing. Some systems can be upgraded for use with steel tumbling media.
-

Liquid Burnishing Compounds
Price range: $39.95 through $139.75 Learn More
The range of Liquid Finishing Compounds for mass finishing are used in all types of tumbling. All are pH balanced and concentrated for optimal performance. Safe to use with all tumbling media types.




