Wire Mesh Belt Shot Blasting Machine

The wire mesh type shot blasting machine is a fine design for continuous blast cleaning to all-around surfaces of work-pieces with different shapes.

The work-pieces are transported by an endless wire mesh belt, which can resistant abrasive stream and allows cleaning to below surfaces of work-pieces. Work-pieces from small to long profiles are all available for wire mesh machines.

To lengthen the service time of wire mesh belt, an intelligent feeding system can stop abrasive feeding when no work-pieces in blasting chamber, the service time of belt and blasting chamber is lengthened by max 20%, energy cost by max 30%.

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Which workpieces are suitable for mesh belt shot blasting machines?

Steel plate and steel structure: mesh belt shot blasting machine can effectivelyremove the oxidelayer, rust and welding slag on the surface of steel plate and structure, make its surface clean and smooth, and improve its corrosion resistance.
Castings and forgings: for castings and forgings, mesh belttype shot blasting machine can remove the surface of theimpurities, improve its surface quality and accuracy.
Aluminum profiles and aluminum alloy products: mesh belt shot blasting machine canremove the oxide layer and dirt on the surface of aluminum profiles and aluminum alloy products, improve their adhesion.
Stone: It can blast the curbstone, marble, road brick and other stone to achieve the lychee surface effect

Application:

Rust and heat scale removal
Deburring of cast flanges
Sand removal from oil sumps
Improvement of surface roughness
Shot peening for fatigue improvement.

Key Features of Wire Mesh Shot Blasting Machine

Wire mesh belt shot blasting machine is consist of conveying system, blasting chamber, bucket elevator, wheel blast, longitudinal screw conveyor, crosswise screw conveyor, dust collector system and electronic control system and others.

Mesh belt shot blasting machines are continuous flow shot blasting machines that are designed for continuous blasting of thin-walled and shock-sensitive castings. This type of machine is also suited for shot blasting geometrically more demanding pieces, such as welded constructions, castings, etc.

Work pieces are loaded at the machine’s input onto a special conveyor mesh, made of high quality wear-resistant wire, which transports pieces through the tunnel part of the machine. On the outer brim of the blasting part of the tunnel, there are turbines that are positioned horizontally and vertically at a carefully planned angle, thus allowing optimum cleaning of work pieces from all sides. Work pieces travel on through the chamber for blowing the blasting agent off exposed surfaces, finally reaching the machine’s output.

Specification of Shot Blasting Machine

Item	Cast iron workpiece		Cast aluminum workpiece		Cast iron workpiece		Cast aluminum workpiece
Width of mesh belt	1250mm		1250mm		800mm		800mm
Productivity	3.5t/h	7.5t/h	According to workpiece		3.5t/h	7.5t/h	According to workpiece
Through speed	0.5-2.5m/min	1-5m/min	0.5-2m/min	1-4m/min	0.5-2.5m/min	1-5m/min	0.5-2m/min	1-4m/min
Number of blast wheel	4	8	4	8	4	8	4	8
Power of each blast wheel	11-18.5kw	11-18.5kw	7.5-15kw	7.5-15kw	11-18.5kw	11-18.5kw	7.5-15kw	7.5-15kw

The Advantages of Wire Mesh Belt Shot Blasting Machine

The mesh belt structure is adopted, the forward speed of the mesh wire belt can be adjusted by frequency conversion, the shot blasting is more uniform, and the cleaning effect is high;
Using a steel mesh belt, the slag skin is easy to leak, and the workpiece has good heat dissipation, which can realize the effective cleaning of high-temperature workpieces;
The pellet recycling purification system adopts an overflow controllable full curtain multi-stage winnowing separator and a special polyester core hoist drive belt to realize the separation and recycling of pellets;
The layout of the shot blasting chamber and the shot blasting device is determined after the computer’s three-dimensional dynamic ejection simulation.
The thickness of the hot zone of the guard plate is up to 70mm, and the distributor maximizes the utilization rate of pellets to 95%. In China, this technology is unique to our company.
The blasting chamber is welded with a 10mm thick steel plate to form a box structure with high strength and no vibration. The interior adopts 12mm ZGMn13, and the guard plate adopts the stop connection, which effectively prolongs the service life of the chamber body and can make full use of the rebound of the projectile to form a secondary cleaning.
The front and rear sealing chambers adopt loose-leaf spring sealing V-shaped devices, which can effectively prevent the projectile from splashing and reduce the wear and tear of the seal. The remaining sealing layers are sealed with a high wear-resistant rubber belt.
In order to reduce the friction to the bottom hopper during the falling process of the pellets, buffer angles are included on the hopper.
In order to prevent deviation of the workpiece during the running process, there are stop plates on both ends of the mesh belt.
The opening number of the shot blasting device can be determined according to the size of the workpiece, which can reduce unnecessary energy waste and reduce unnecessary damage to the equipment

The Principle of Wire Mesh Shot Blasting Machine

Wire mesh shot blasting machine mainly applies strong shot blasting to the surface of the steel and castings in the original state to remove the rust layer, welding slag and oxide scale on it, so that it can obtain a uniform metallic luster, so as to improve the coating quality of the steel and antiseptic effect.

The wire mesh transfer the workpiece to pass in an automatic, continuous and uninterrupted manner and accepts projectile in multiple directions. The pivotal blasting head maximizes the shot blasting efficiency and avoids collisions between parts and damage to the surface of the parts.

The wire mesh shot blasting machine blast turbines can be adjusted according to the shape and size of different castings. By adjusting the vertical hub, it can more targeted shots of the target parts. A single head can be adjusted systematically with the hub to achieve multiple head positions, and the target is more concentrated and precise. The mechanical rotation of the throwing head can be continuous or indexed, and the fine adjustment device installed on the pivot axis base can fine-tune 20 degrees in the vertical direction.

Wire mesh shot blasting machine through the wire mesh conveyor system to transfer the workpiece to the sealed shot blasting chamber, which uses the high-speed rotary blast turbine impeller to accelerate the projectile the steel shot to the workpiece surface to achieve the cleaning effect. The core of the wire mesh shot blasting is the circulating steel wire mesh conveyor belt, which is made of high manganese steel material. The machine can be equipped with 4 sets to 8 sets of blast turbines with different powers.

The Structure of Wire Mesh Conveyor System

Equipped with workpiece creeping mechanism, reducing or even eliminating mesh belt touch marks, continuous operation of flat workpieces, realizing the online fully automated operation

The blasting chamber is made of a full wear resistant manganese steel plate, which is locked by a high wear-resistant nuts. One the side of the machine have the access door, which is convenient to maintenance the blasting chamber and replacement the guard plate.

The motor-driven wire mesh is used for conveying, which has a long life and stable transmission. All linkage mechanisms have protection devices and warning signs.

The compact and airtight design of the shot blasting chamber ensures no shot splashing.

Adopting the power assembly system of casting type blast turbine, adopting frequency conversion speed regulation, equipped with semi-automatic flow control valve, with extremely low failure rate and high shot conveying efficiency All the vulnerable parts inside the polishing head are processed by precision CNC machining of die steel + low-pressure vacuum heat treatment. The surface hardness reaches 58-62HRC, and it has extremely high wear resistance. Improve the service life of the wearing parts of the polishing head.

The recovery of steel shot adopts spiral pusher + hoist recovery system, which is stable and reliable.

The use of Venturi wet dust collector, which is fire-proof and explosion-proof, without any spare parts, the later equipment maintenance cost is low, and the dust emission is less than 50mg/m3.

All the labels on the equipment are pasted in place, and the labels such as safety reminders, maintenance reminders, operation specifications, equipment status, after-sales service engineer cards and service record sheets are clear at a glance.

All maintenance and inspection doors have safety detection devices. When an emergency occurs, immediately press the safety control device, and gradually eliminate the problem according to the fault point.

The machinery and electrical of the whole equipment are designed and manufactured according to the European standard CE standard, and each mechanism and electrical part are related to each other to ensure the safety and stability of the equipment.

Wire Mesh Belt Shot Blasting Machine

Which workpieces are suitable for mesh belt shot blasting machines?

Application:

Key Features of Wire Mesh Shot Blasting Machine

Specification of Shot Blasting Machine

The Advantages of Wire Mesh Belt Shot Blasting Machine

The Principle of Wire Mesh Shot Blasting Machine

The Structure of Wire Mesh Conveyor System

Working video of wire mesh belt shot blasting machine

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