Surface International is a leading manufacturer of Airless Shot Blasting Machines in India. We provide customized, high-performance blasting solutions for foundries, automotive, railway, aerospace, steel fabrication and heavy engineering industries.
Product Highlights
- Automatic and high-speed blasting
- Uniform surface cleaning and finishing
- Heavy-duty industrial construction
- Low abrasive consumption
- Dust-controlled operation
- Customized according to component size
- Suitable for continuous production
Starting from ₹4,00,000
Surface International is a leading manufacturer of Airless Shot Blasting Machines in India. We design and manufacture automatic shot blasting machines for removing rust, mill scale, old paint, sand and other surface contamination from industrial components.
Our machines are customized according to the component size, shape, weight, production capacity and required surface finish. Airless shot blasting provides fast cleaning, uniform finishing, lower manual effort and reliable performance for continuous industrial production.
What Is an Airless Shot Blasting Machine?
An airless shot blasting machine is an industrial surface-cleaning machine that uses a motor-driven blast wheel instead of compressed air. The blast wheel rotates at high speed and throws metallic abrasive media onto the workpiece. The impact removes rust, scale, old coating and surface contamination.
It is called “airless” because compressed air is not used to accelerate the abrasive. The machine normally uses steel shot, steel grit, cut wire shot or stainless-steel shot, depending on the component material and required finish.
Main Benefits
- Fast and automatic surface cleaning
- Uniform finish on every component
- Suitable for high production volumes
- Reusable metallic abrasive media
- Lower manual cleaning requirement
- Controlled dust collection system
- Heavy-duty industrial construction
- Customized component-handling system
How Does an Airless Shot Blasting Machine Work?
The working process of an airless shot blasting machine is automatic and continuous. The exact material-handling method changes according to the machine type, but the basic blasting process remains similar.
- Component Loading: Components are loaded into the machine manually, by conveyor, by hanger or through an automatic handling system.
- Blast Wheel Operation: An electric motor rotates the blast wheel at high speed.
- Abrasive Acceleration: The control valve supplies metallic abrasive to the centre of the blast wheel.
- Surface Blasting: The rotating blades throw abrasive onto the component at high velocity.
- Contamination Removal: Rust, mill scale, sand and old coating are removed from the surface.
- Abrasive Recovery: Used abrasive falls into the bottom hopper and moves through a screw conveyor and bucket elevator.
- Media Separation: The separator removes dust, broken abrasive and contamination from reusable media.
- Dust Collection: Fine dust is carried to the dust collector to maintain visibility and cleaner operation.
- Component Unloading: The cleaned component is removed for painting, coating, inspection or further processing.
Types of Airless Shot Blasting Machines
| Machine Type | Suitable Components | Common Applications |
|---|---|---|
| Hanger Type | Large, delicate or complex components | Castings, fabrications, gears and automotive parts |
| Spinner Hanger Type | Components requiring complete all-side cleaning | Forgings, castings and welded assemblies |
| Tumblast Type | Small and medium tumble-safe parts | Castings, forgings and heat-treated components |
| Table Type | Heavy, flat or delicate components | Dies, moulds, castings and fabricated parts |
| Roller Conveyor Type | Plates, beams, channels and structures | Steel fabrication, construction and shipbuilding |
| Mesh Belt Type | Small and medium continuous-production parts | Automotive, forging and general engineering |
| Monorail Type | Large components on an overhead conveyor | Automotive frames and heavy fabrications |
| Pipe Shot Blasting Machine | External or internal surfaces of pipes | Oil and gas, pipelines and steel processing |
| Gas Cylinder Type | LPG, CNG and industrial gas cylinders | Cleaning before painting or coating |
| Structural Steel Type | Beams, angles, channels and fabricated structures | Pre-painting and coating preparation |
Airless Shot Blasting Machine Spare Parts
Regular inspection and timely replacement of wear parts help maintain blasting performance and reduce machine downtime. Surface International supplies replacement parts for different types of airless shot blasting machines.
| Spare Part | Function |
|---|---|
| Blast Wheel | Accelerates and throws abrasive media onto the component. |
| Impeller | Distributes abrasive into the rotating blast-wheel assembly. |
| Control Cage | Controls the direction and blast pattern of the abrasive. |
| Blast-Wheel Blades | Throw abrasive at high speed and require regular wear inspection. |
| Wheel Liners | Protect the blast-wheel housing from abrasive wear. |
| Elevator Belt and Buckets | Lift used abrasive to the separator for recycling. |
| Screw Conveyor | Transfers abrasive from the machine floor to the bucket elevator. |
| Abrasive Control Valve | Regulates the flow of abrasive supplied to the blast wheel. |
| Rubber Curtains | Prevent abrasive leakage from entry and exit openings. |
| Dust Collector Filter | Captures fine dust produced during the blasting process. |
| Wear-Resistant Liners | Protect the blast cabinet and high-wear zones. |
Which Abrasive Is Used in an Airless Shot Blasting Machine?
Airless shot blasting machines normally use reusable metallic abrasive media. The correct media is selected according to the workpiece material, required cleaning speed, desired surface profile and machine configuration.
- Steel Shot: Round metallic media used for cleaning, descaling and producing a smoother surface finish.
- Steel Grit: Angular metallic media used for aggressive rust removal and creating a rough profile before coating.
- Cut Wire Shot: Durable media used for controlled cleaning, deburring and shot peening applications.
- Stainless-Steel Shot: Used where ferrous contamination must be controlled, including stainless steel and non-ferrous components.
Glass beads, garnet, aluminium oxide and similar non-metallic abrasives are generally used in compressed-air blasting machines or blast cabinets. They should not be used in a blast-wheel machine unless the machine manufacturer has specifically designed and approved the equipment for that media.
Applications of Airless Shot Blasting Machines
- Removal of rust and corrosion from metal components
- Removal of mill scale from steel plates and structural sections
- Cleaning of sand and scale from castings
- Descaling of forged and heat-treated components
- Surface preparation before painting, powder coating or metallizing
- Cleaning of automotive and railway components
- Preparation of pipes, cylinders, beams and fabricated structures
- Shot peening of selected engineering components
- Improvement of surface appearance and coating adhesion
Industries Using Airless Shot Blasting Machines
Airless shot blasting machines are used in foundries, forging plants, automotive manufacturing, railway workshops, aerospace, defence, steel fabrication, shipbuilding, construction equipment, oil and gas, cylinder manufacturing, heat-treatment plants and general engineering industries.
Airless Shot Blasting Machine Price in India
Airless shot blasting machine price in India depends on the machine type, component size, component weight, required production capacity, number and power of blast wheels, material-handling system, dust collector capacity, automation level and customization requirements.
Indicative Starting Price
₹4,00,000*
*The final price is provided after reviewing the component details, production requirement, machine configuration, taxes and delivery location.
Main Factors Affecting Machine Price
- Type and size of the machine
- Component dimensions and maximum weight
- Required cleaning rate and production capacity
- Number, diameter and motor power of blast wheels
- Manual, semi-automatic or fully automatic operation
- Conveyor, hanger, table or tumblast handling system
- Dust collector and abrasive-recovery system
- Cabinet liners, controls and safety features
- Installation, commissioning and optional accessories
Difference Between Airless and Air-Operated Blasting Machines
An airless machine uses a motor-driven blast wheel for high-production cleaning. In comparison, a sand blasting machine uses compressed air to accelerate the abrasive through a nozzle. For mobile maintenance and on-site surface preparation, a portable sand blasting machine is generally more suitable.
| Comparison | Airless Shot Blasting Machine | Air-Operated Blasting Machine |
|---|---|---|
| Blasting Method | Motor-driven blast wheel | Compressed-air nozzle |
| Common Media | Steel shot, steel grit and cut wire shot | Glass beads, garnet, aluminium oxide and other suitable media |
| Production Capacity | High; suitable for continuous production | Low to medium; depends on compressor capacity |
| Operation | Mostly automatic or semi-automatic | Manual or automatic, depending on the system |
| Best For | Castings, forgings, plates, beams and bulk components | Precision cleaning, selective blasting and complex surfaces |
| Energy Source | Electric motor | Air compressor |
| Surface Action | Fast and heavy-duty cleaning | Flexible and more controllable cleaning |
Buy Airless Shot Blasting Machine in India
Before buying an airless shot blasting machine, share your component drawing, dimensions, weight, material, present surface condition, required finish and daily production target. Our engineering team will study your requirement and recommend a suitable machine type, blast-wheel configuration and material-handling system.
Surface International provides customized shot blasting solutions, technical guidance, machine manufacturing, installation support, spare parts and after-sales service. Contact us to receive a machine recommendation and commercial quotation according to your application.
Why Choose Surface International?
- Customized machine design
- Heavy-duty industrial construction
- Application-based blast-wheel selection
- Efficient abrasive-recovery system
- Dust-controlled operation
- Installation and technical support
- Spare parts and maintenance support
- Supply across India and international markets
Frequently Asked Questions
Why is it called an airless shot blasting machine?
It is called airless because the machine uses a motor-driven blast wheel instead of compressed air to throw abrasive media.
Which abrasive is best for an airless shot blasting machine?
Steel shot and steel grit are the most commonly used media. The correct selection depends on the workpiece and required surface finish.
Can glass beads be used in an airless shot blasting machine?
Glass beads are normally used in compressed-air blasting machines. They should only be used in a blast-wheel machine when the equipment has been specifically designed and approved for that media.
What is the price of an airless shot blasting machine?
The indicative starting price is ₹2,00,000. The final price depends on machine type, component details, production capacity, automation and customization.
Which airless shot blasting machine is suitable for my component?
The selection depends on component size, shape, weight, material and production volume. Share these details with our team for a suitable recommendation.
