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Rotary table wheelblasting machine
Disa turn table shot blast machines are the ideal choice for blast cleaning: automotive parts and engine components, petroleum valves and compressors, castings, fabrications and weldments and numerous other.items that are not suitable for tumbling due to size and shape.
Rotary table wheelblast machines are offered in various configurations with blast wheels mounted on the side, hip, and top of the machine. Some models offer oscillating blast wheels to allow more thorough blast pattern coverage. Available in single table, single and double-door swing, satellite multi-table and plain table models.
Parts of the rotary table wheelblasting machines
The machines are specified by the largest product size it can accommodate. That is the diameter of the turntable and the internal height in the blast chamber.
The uniqueness of these machines is the fact that when the doors are open, the product can be placed right at the center of the machine from the top by moving in from the front of the machine. Read through for more description of the pats and construction of the machine.
1) Shot blasting chamber
The rotary table shot blasting machine features a sturdy chamber frame constructed from 6mm heavy-duty steel plates with welded joints for optimal strength and rigidity. The chamber bottom is equipped with 12mm perforated steel plates. Inner surfaces are lined with high abrasion-resistant austenitic manganese steel plates and durable rubber at strategic locations—manganese steel at areas subject to direct particle impact or high ricochet. These protective linings prevent chamber wall damage and significantly extend machine service life.
2) Shot blast wheel
The blast wheel assembly serves as the heart of every disa machine, featuring premium cast blades and a direct drive system that ensures maximum energy efficiency at all times.
During operation, a measured flow of abrasive continuously passes through the feed spout into the impeller, which rotates in synchronization with the blast wheel. The abrasive accelerates within the impeller and is smoothly directed onto individual curved blades through an adjustable slot in the control cage.
The curved blades, oriented in the direction of rotation, provide high velocity, even distribution, and superior blast pattern control. The slot position, adjusted by rotating the control cage, determines the blast stream direction and enables easy “hot spot” positioning, while an ammeter monitors the actual abrasive flow for precise control.
Additional features include a unique snap-lock blade design for quick and easy replacement of worn blades, factory-weighed blade sets to improve wheel balance and extend service life, a fully lined wheel housing with interlocking cast wear-resistant liners for enhanced protection, and an adjustable abrasive valve for precise flow regulation.
3) Rotating table
The parts to be cleaned are placed on a rotating table, which continuously turns to expose all surfaces of the components or castings to the abrasive blast stream for uniform and thorough cleaning.
Table Specifications
Diameters range from 100 cm to 250 cm (commonly available in sizes such as 120 cm, 150 cm, 200 cm, and 250 cm, depending on model).
Workload capacities span from 100 kg to 5,000 kg, allowing processing of small batches to heavy industrial loads.
The table is lined with high-quality, abrasive-resistant wear liners (typically made of manganese steel or hardened alloys) to ensure exceptional durability and long service life under intense blasting conditions.
Work Table Construction
Fabricated from heavy-duty, wear-resistant steel plate.
Reinforced with robust structural supports designed to withstand years of continuous, high-load service without deformation or failure.
Table Drive System
Powered by an externally mounted electric motor coupled to a heavy-duty gear reducer.
This configuration provides reliable, smooth rotation while protecting the drive components from abrasive dust and maintaining easy access for maintenance.
This design delivers efficient, consistent blasting results, particularly suited for medium to large castings, forgings, and fabricated parts that require gentle handling or cannot be tumbled in barrel-type machines.
3) Abrasive recovery system
The shot blasting machine features two wing doors with safety interlock mechanisms that automatically shut down the machine if opened during operation. Workpieces are placed on the rotary table inside the chamber, where they are impacted by abrasive from the blasting wheel. The abrasive then falls through the perforated rotary table and is transported to the bucket elevator via a chute/hopper system—larger machines include a screw conveyor for efficient abrasive transfer. The chamber and table design prevents abrasive spillage when doors are opened. Abrasive recovery system (elevator, cleaner, and storage silo) enables multiple abrasive reuse cycles, with media fed back to the blasting wheel through valves and hoses.
Special double sewing turn table blasting machine
A specialty of Disa is table machines with one or two swing-in turntables at the front door of the blasting cabinet.This design significantly reduces processing time while minimizing the machine footprint, with each turntable capable of handling loads up to 5,000 kg. The dual-turntable door-mounted configuration enables simultaneous loading and blasting operations—new parts can be loaded while others are being processed—thereby minimizing non-productive time and maximizing production efficiency.
Rotary table shot blast machine is equipped with one or two blast wheels, depending on model size. Standard table work size are from 650 mm to 2,400 mm and can process work pieces of max 1,500 mm height. Standard equipment of larger shot blasting machines includes: PLC, display, timer, automatic or manual mode, automatic start-up of blasting wheels, working-hours counter, etc.
Special satellite turn table blasting machine
The satellite table wheelblasting machine delivers precise surface treatment for complex components, making it ideal for mass production applications requiring consistent, repeated processing—such as gears, sprockets, and similar parts. The multi-station design enables automatic loading and unloading at the front while shot blasting operations are performed simultaneously at the rear, thereby maximizing production throughput. The satellite turntable system ensures accurate workpiece positioning in front of the DISA blast wheel, guaranteeing the process repeatability and surface quality required for high-volume manufacturing.
Disa satellite table wheelblasting machine is the indexing mechanism which rotates the workpiece through fixed positions within the blasting machine. The shot blasting chamber is made of 12mm thick steel weldments. All components are lined. A 25mm thick polyurethane lining is used for wear protection.
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