- A Long Life Service Barrel Finishing Technique — Rotary Barrel Tumbling MachinesAutomatic rotary barrel tumblers are commonly used in a variety of industries, including metalworking, automotive, aerospace, and jewelry. Some automatic rotary barrel tumblers are equipped with additional features such as heaters, ultrasonic vibrations, and adjustable speed and time settings, which can be used to tailor the finishing process to the specific needs of the application. The barrel of a rotary barrel finishing machine rotates at high speeds, causing the parts and media inside to collide and rub against each other. The barrel is typically made of a durable material such as steel or cast iron and may be coated with a wear-resistant material to extend its lifespan.“I don’t know how to choose the Rotary Barrel Tumbling Machine and Vibratory Tumbling Media.”Contact us here for more information and a free quote!Applications>Wood parts>Plastic parts>Longish parts>Delicate parts
- Features>The rotary action is gentle & the barrel speed is low>On long runs, the systems can run overnight>Easy operation & less expensively than by hands>Parts can be deburred and burnished to a high finish
- Technical Data
Model RBW 150 RBW 200 RBW 300 RBW 500 RBW 700 RBW 1000 Capacity(Liters/Cu.Ft) 150 / 5.3 200 / 7.1 300 / 10.6 500 / 17.7 700 / 24.7 1000 / 35.3 L * W * H (mm/inch) 1000*700*1340 / 39.4*27.6*52.8 1700*910*1300 / 66.9*35.8*51.2 1160*920*1450 / 45.7*36.2*57.1 1660*1300*1520 / 65.4*51.2*59.8 1620*1010*1140 / 63.8*39.8*44.9 1730*1800*2100 / 68.1*70.9*82.7 Barrel Speed(rpm) 40 30 30 25 25 25 Motor Power(kW) 1.5 2.2 4 5.5 5.5 7.5 PU Thickness(mm/inch) 10 / 0.4 10 / 0.4 10 / 0.4 13 / 0.5 13 / 0.5 13 / 0.5 Weight(kg/lbs) 220 / 485.0 450 / 992.1 480 / 1058.2 550 / 1212.5 750 / 1653.5 950 / 2094.4 Control Panels Optional Optional Optional √ √ √ Forward & backward √ √ √ √ √ √ - Options
>Consumables
>VFD

>Tilt Barrel Design
>Protection Cover
>Double Barrel Design
>Water treatment
Manufacturing processes



The journey begins with the creative minds at Mass Polishing conceptualizing and refining the mechanical design of our mass-finishing machines. Through years of expertise and industry knowledge, our engineers meticulously craft designs that optimize functionality, durability, and efficiency.
Once the mechanical design is finalized, Mass Polishing’s team of skilled CAD designers transforms the concept into precise and detailed 3D computer-aided design (CAD) drawings. These drawings serve as the blueprint for every component, ensuring accurate manufacturing and assembly processes.
With the CAD drawings in hand, the manufacturing process shifts gears to Mass Polishing’s state-of-the-art CNC (Computer Numerical Control) machining center. This cutting-edge technology enables the precise fabrication of intricate parts and components with unparalleled accuracy, consistency, and repeatability.



Mass Polishing harnesses the power of laser cutting to shape and refine various metal components. By utilizing high-powered lasers, we achieve clean and precise cuts, resulting in components that seamlessly integrate into the overall machine structure. To enhance the performance and durability of their machines, we employ polyurethane (PU) casting techniques. This process involves pouring liquid PU material into molds, which, when cured, form robust and wear-resistant parts. The PU casting method ensures optimal noise reduction, extended machine lifespan, and superior finishing results. An integral aspect of every mass finishing machine, the electric control panels are meticulously assembled and wired by Mass Polishing’s skilled technicians. The control panels house advanced electronic components, allowing for precise control and customization of the machine’s parameters, such as speed, and time. Contact us here for more information and a free quote!
mass polishing
RB2000 Rotary Barrel Tumbling Machine
As a overnight-running finishing machine, rotary barrels which are the original
type of barrel finishing machine. Mass Polishing’s reliable machine makes
operation easily and processing time lasts for more than 24 hours. Besides,
rotary barrel tumbler can automate the finishing processing, it will greatly reduce
the labor costs.
basic operation & features
Rotary Barrel Tumbling Machine Basic Operation
The rotary barrel tumbling machine (rotary barrel polisher wet processing series) operates by loading workpieces, tumbling media, water, and finishing compounds into the rotating barrel. As the barrel turns at a controlled speed, parts are gently rubbed and rolled together with the abrasive media, creating consistent surface finishing results. This machine is designed for deburring, edge rounding, and polishing metal and plastic components, ensuring uniform quality while reducing manual labor.
1. Extremely gentle finishing
The rotary barrel tumbling machine ensures gentle finishing, ideal for delicate or thin-walled parts. Controlled rotation with suitable media minimizes damage while achieving effective deburring, edge rounding, and polishing.
2. Systems can be run overnight
The rotary barrel polisher supports long, unattended operation. It can run overnight, improving productivity and reducing downtime, making it a cost-effective finishing solution for large batches.
3. Easy operation and less expensive than by hands
With simple loading and unloading, the rotary barrel tumbling finishing machine is easy to operate. Compared to manual polishing, it lowers labor costs while delivering consistent and uniform results.
4. Parts can be deburred and burnished to a high finish
This rotary barrel wet processing system deburrs parts and produces a high-quality polished finish. It smooths edges, enhances brightness, and prepares components for plating, coating, or assembly.
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Technical Specifications
| Model | Capacity (Liter/Cuft) | LxWxH (mm/inch) | Barrel Speed (rpm) | Motor Power (kw) | Weight (kg/lbs) |
|---|---|---|---|---|---|
| RB 150 | 150 / 5.3 | 1000x700x1340 / 39.4×27.6×52.8 | 40 | 1.5 | 220 / 485 |
| RB 200 | 200 / 7.1 | 1700x910x1300 / 66.9×35.8×51.2 | 30 | 2.2 | 450 / 992 |
| RB 300 | 300 / 10.6 | 1160x920x1450 / 45.7×36.2×57.1 | 30 | 4 | 480 / 1058 |
| RB 500 | 500 / 17.7 | 1660x1300x1520 / 65.4×51.2×59.8 | 25 | 5.5 | 550 / 1212 |
| RB 700 | 700 / 24.7 | 1620x1010x1140 / 63.8×39.8×44.9 | 25 | 5.5 | 750 / 1653 |
| RB 1000 | 1000 / 35.3 | 1730x1800x2100 / 68.1×70.9×82.7 | 25 | 7.5 | 950 / 2094 |
Standard & Optional
Model Options
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