Tub vibrators also called as rectangular vibratory finishing machines. This curved wall offers strengthened tumbling performance and reduces process time.
Inovatec Machinery · Vibratory Finishing
Inovatec’s TVB(A) Vibratory Tubs give smooth surface finishes, fast deburring, and reliable results for every batch. Below is real performance data and before-and-after comparisons from our industrial customers.
Before AfterProcess Specs
Parts Material | Processing time (min) | Media Type | Media Wear Rate | Ra before | Ra after | Material Removal | Consistency | |
Stainless steel (304) | 30 minutes | 4mm stainless steel ball 304 | 0.1% per hour | 1.0 | 0.4 | < 0.15% | ±1% Surface Uniformity |
Consistent Results: The vibratory tub TVB(A) maintains uniform surface finish quality from batch to batch, delivering stable results for mass production.
Low Damage Rate: Controlled vibration and correct media matching help the vibratory tub TVB(A) reduce part-to-part contact, making it suitable for small or delicate components.
High Repeatability: With digital controls and simple program settings, the vibratory tub TVB(A) can keep cycle-to-cycle variation within ±1% under the same process conditions.
Real Industrial Testing: The vibratory tub TVB(A) is validated by 1,000+ finishing tests on different metals, part sizes, and geometries.
Process Tracking: Each vibratory tub TVB(A) can record key parameters such as cycle time, media type, and vibration settings for easier quality control and consistent repeat orders.
Detailed specifications for our TVB(A) series Vibratory Tubs. Compare models and download comprehensive technical documentation.
| Model | TVB(A)240 | TVB(A)500 | TVB(A)750 |
| Total volume (L) | 240 | 500 | 750 |
| Max overall dimension (mm) | 1880x880x920 | 2870x880x920 | 3354x880x920 |
| Chamber length A (mm) | 690 | 1310 | 2000 |
| Chamber Height B (mm) | 625 | 625 | 625 |
| Chamber Diameter C (mm) | 670 | 670 | 670 |
| Feeding entry width D (mm) | 524 | 524 | 524 |
| PU Lining thickness (mm) | 16 | 16 | 16 |
| Power (kw) | 1.1×2 | 2.2×2 | 2.2×2 |
| Weight (kg) | 450 | 1000 | 1600 |
The TVB(A) tub vibratory machine is built around a curved inner wall design that generates three-dimensional media flow — the defining structural difference from straight-wall tub machines. Each design element below directly affects finishing outcome for large, long, or irregularly shaped parts.
The TVB(A)'s curved rear wall creates a rolling media flow pattern that covers all part surfaces uniformly, including concave areas and recesses that flat-wall machines leave under-finished. This geometry is what makes the TVB(A) particularly effective for ball burnishing — the continuous rolling action maintains consistent media-to-part contact without dead zones. The tub body uses heavy-gauge all-welded steel throughout for rigidity under continuous load.
The tub interior is lined with 16 mm polyurethane throughout. PU lining serves two functions in a tub machine: it protects the part surface from steel-on-steel contact during heavy tumbling, and it reduces airborne noise during operation. The lining is replaceable — when wear becomes visible, only the lining is replaced rather than the tub body, significantly reducing long-term maintenance cost.
The TVB(A) runs two motors in parallel — 1.1 kW × 2 on the 240 L model, 2.2 kW × 2 on the 500 L and 750 L models. Dual motors provide balanced vibration across the full tub length, preventing the uneven amplitude that causes inconsistent finish on long parts. Speed is adjustable via a Bosch Rexroth controller, allowing the operator to match vibration frequency to part material and media type without changing hardware.
The TVB(A) is a tub-style vibratory finishing machine designed for parts that cannot be processed in bowl-type machines — specifically long, flat, heavy, or irregularly shaped workpieces. The curved rear wall of the tub creates a three-dimensional media rolling motion that gives more uniform coverage than a straight-wall trough, making the TVB(A) the preferred choice for ball burnishing as well as standard deburring and polishing.
Typical applications include cerakote-coated header polishing, exhaust pipe finishing, engine housing deburring, shaft and tube edge radiusing, and large flat plate descaling. The tub is available in three standard sizes — 240 L, 500 L and 750 L — with custom lengths available on request.
Watch our Surface finishing process in action. Learn more about our Surface finishing process technology.
Our mass finishing machine and tumbling media serve diverse industries with specialized finishing solutions for various materials and part types.
Engine components, transmission parts, brake systems
Turbine blades, landing gear, structural components
Fasteners, connectors, precision tools
Post-processing, surface refinement, finishing
Inovatec Machinery stands out as a trusted partner in surface finishing solutions, offering unmatched quality, innovation, and customer support.
Since 2003, we've been at the forefront of surface finishing technology, continuously innovating and improving our solutions based on real-world manufacturing needs.
We understand that every application is unique. Our engineering team works closely with you to design and configure machines that perfectly match your requirements.
With partners and service centers worldwide, we provide localized support and rapid response times regardless of your location.
We value your time. Our technical team responds to inquiries within 24 hours, ensuring you get the answers and support you need quickly.
Benefit from our expertise at no cost. We offer complimentary technical consultations to help you optimize your finishing processes and select the right equipment.
Over 500 satisfied customers across 50+ countries trust Inovatec for their surface finishing needs, with a 99% customer satisfaction rate.
Explore real applications by industry and scenario, with Before/After, sub‑categories and resources to help you quickly find what you need.
Jewelry | Precious Metals | Jewelry Polishing
Precision polishing, deburring and mirror finishing for gold, silver, copper and titanium jewelry—balancing premium surface quality with throughput.
Burrs on edges, surface scratches and oxidation spots reduce luster and wearing comfort.
Noticeably improved mirror gloss with rounded edges and better wearing comfort.
Additive Manufacturing | SLA/SLS/FDM
Removes layer lines, densifies surfaces and unifies appearance for 3D‑printed parts across materials and processes.
Pronounced layer lines, support marks and rough surface affect assembly and appearance.
Smooth, refined surface ready for painting/electroplating; presentation‑grade look.
Sheet Metal | Laser Cutting | Edge Optimization
Removes dross/burrs and adds edge radiusing on laser‑cut parts to improve safety and assembly quality.
Sharp, burred edges can cause cuts and hinder coating adhesion.
Consistent rounded edges and clean surfaces for better paint/e‑coat adhesion.
Consumer Electronics | Small Appliances | Exterior Parts
Delivers consistent texture and feel for high‑volume consumer products, improving brand perception and yields.
Uneven brushing, micro‑burrs and harsh feel affect assembly and user experience.
Uniform texture, smooth edges and refined touch; markedly better consistency.
Stone | Gemstone | Tumbling
Rounds edges and enhances gloss on natural/synthetic stones for jewelry and decorative crafts.
Sharp edges, rough surfaces and uneven color/reflection.
Rounded edges and even polish; improved visual appeal.
Automotive | Engine/Drivetrain | High‑volume Consistency
Deburring, edge radiusing and surface consistency for automotive parts to meet stringent standards.
Tool marks and residual burrs with sharp edges reduce fatigue strength and hinder assembly.
Stable edge radii and compliant roughness with high repeatability.
Defense | High Reliability | Process Consistency
High‑reliability, consistent surface finishing across metals and composites.
Sharp edges, stress concentrations and surface defects impact durability and safety.
Consistent chamfers and stable surface quality; coating/assembly‑ready.
Aluminum Profiles | Die‑cast Parts | High‑volume Finishing
Efficient, consistent finishing for aluminum parts; ideal for pre‑anodizing treatment and brushed/polished appearance.
Gate/flash marks and dull surfaces; notable batch variation.
Flash removed with refined texture and higher brightness; improved batch consistency.
Engineering Plastics | Injection‑molded Parts | Deflashing
Removes plastic flash and smooths edges to prevent scratching and improve assembly.
Visible flash and sharp edges affect feel and assembly.
Flash removed and corners smoothed; improved look and feel.
Enhance your mass finishing machine and tumbling media with our professional-grade accessories. Increase efficiency, reduce noise, and optimize your finishing process.
Get the most out of your mass finishing machine and tumbling media with our comprehensive accessory package. Our experts will help you select the right combination of accessories for your specific application needs.
Accessories designed to maximize machine efficiency and output quality
Reduce operational costs through improved efficiency and reduced waste
All accessories designed for seamless integration with your existing machine
Inovatec Machinery is committed to the highest standards of quality, safety, and reliability.
Quality Management System certified by international standards, ensuring consistent product quality.
European Conformity marking ensuring our machines meet EU safety standards.
Comprehensive testing and inspection reports from SGS.
Environmental protection standards compliance.
Since 2003, Inovatec Machinery has been at the forefront of surface finishing technology innovation.
Our machines are trusted by manufacturers worldwide and recognized at major industry exhibitions.
Regular participation in major industry exhibitions worldwide.
Strategic partnerships across major manufacturing regions.
Find answers to common questions about our products.
The TVB(A) tub vibratory machine is ideal for surface finishing of long, flat, or delicate parts that are not suitable for bowl-type machines. It can perform deburring, polishing, descaling, and edge radiusing on metal, plastic, or composite workpieces. It’s commonly used in aerospace, automotive, stamping, and precision machining industries.
Yes. The TVB(A) machine is compatible with all standard vibratory tumbling media, including ceramic, plastic, steel, and porcelain media. The choice of media depends on whether you’re aiming for aggressive deburring, light polishing, or smooth surface finishing.
The TVB(A) has a curved rear wall and is optimised for ball burnishing and polishing — the curved geometry drives a rolling media flow that produces brighter, more consistent surface finish, particularly on stainless steel, brass and aluminium parts. The TVB(B) has a straight wall with fixed or removable tub dividers, making it better suited for stone and tile ageing, antique finishing, and applications where parts need to be kept physically separated during processing. If your primary goal is surface brightness or ball burnishing, choose TVB(A). If you need part separation or are processing stone and tile, choose TVB(B).
The TVB(A)240 has a chamber length of 690 mm, suitable for parts up to approximately 600 mm long. The TVB(A)500 extends to 1,310 mm chamber length, accommodating parts up to around 1,200 mm. The TVB(A)750 reaches 2,000 mm chamber length for very long parts such as full exhaust systems, long shafts or structural profiles. All three models share a 670 mm chamber diameter and 524 mm feed entry width. For parts longer than 2,000 mm, contact us for a custom tub length configuration.
Ready to improve your finishing process? Contact our experts for a personalized quote and technical consultation.
Fill out the form below and our team will contact you within 24 hours.
Prefer to contact us directly? Choose your preferred method.
Ready to experience the Inovatec difference? Contact our team for personalized solutions.
399# Shushan Road, Wuxing District, Huzhou City, Zhejiang Province, 313000 China
6317 Arcadia St, Eastvale, CA 92880 USA (323-577-3309)
Read reviews and see our business information on Google.
View Google Business
English 
Español 
Français 
Русский 
