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Stone blasting

  • Stone shot blasting machine
Stone shot blasting machine

Stone shot blasting machine


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Equipment introduction:


  According to different roughness requirements, steel shots with different particle diameters are shot at high speed on the surface of the plate, and the steel shots with huge impact force quickly erode the surface of the stone to form a surface layer with a strong sense of body. The products processed by this method not only have a good quality, beautiful appearance and no blind spots, but also have a fast processing speed and low cost. Compared with machine planing, singeing and other processes, this method is extremely competitive and has a broad application prospect in the field of stone.


Equipment advantages:


 


  1. The main components of the marble shot blasting machine are the cleaning room, roller conveyor, shot blaster, projectile circulation system (including elevator, separator, longitudinal screw conveyor and shot supply pipeline), dust removal, cleaning system, electrical control, etc. Components.


  2. This marble shot blasting machine is what we often call the stone shot blasting machine. This machine is a high-function continuous operation cleaning for continuous feeding, and it handles large batches.


  3. During the cleaning process, the electrically controlled frequency conversion motor drives the roller table to send the workpiece into the projecting area of the cleaning machine room, and all sides of the body are hit and rubbed by strong dense projectiles from different coordinate positions, causing marble (stone) The oxide scale and dirt on it quickly fall off, and the marble (stone) surface gets a smooth surface with a certain roughness.


  4. Stone shot blasting machine is also a type of pass-through shot blasting machine. The steel shots thrown by the machine fall into the marble (stone). The projectiles and rust are transported to the projectile circulation system by the recovery screw. .

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Product parameters:


 


1. The final workpiece size for cleaning: 1200 mm wide and 600 mm high


2. Conveying roller table:


Maximum load of roller table: 1 t / m


Conveying speed: 0.8 ~ 4.0 m / min (stepless speed regulation)


Workpiece speed: 1.0 ~ 2.5 m / min


Drive reducer: BWED4-87-2.2


Motor power: 2.2 kW


3. Shot blasting device:


Shot blasting capacity: 210 kg / min


Motor power: 11 kW 4


4. Vertical screw conveyor at the bottom:


Conveying capacity: 50 t / h


Driving device: BWD2-23-5.5


Power: 5.5 kW


5. Bucket elevator


Lifting capacity: 50 t / h


Hopper speed: 1.25 m / s


Lifting roller output speed: 62 r / min


Power: 4 kW


6. Pill sand separator


Separation capacity: 50 t / h


Wind speed in separation zone: 4-5 m / s


Ventilation volume: 4500 m3 / h


Driving device: BWD2-23-2.2


Power: 2.2 Kw


7. Cleaning system


Reverse blower power 7.5KW


Roller brush motor power 1.5KW


8. Dust removal system


Ventilation volume: 16500 m3 / h


 


working principle:


  The stone shot blasting machine and marble surface cleaning shot blasting machine are high-function continuous operation cleaning for continuous feeding. The large processing batch, energy saving and environmental protection, durable and beautiful appearance are the biggest features of this machine. During the cleaning process, the electrically controlled variable frequency motor drives the roller table to send the workpiece into the ejection area of the cleaning machine room, and all sides of the body are hit and rubbed by 4 powerful dense projectiles with different coordinate positions, which oxidizes the workpiece The skin and its dirt quickly fall off, and the surface of the workpiece obtains a smooth surface with a certain roughness.

  The projectiles and rust dust falling on the workpiece are transported to the projectile circulation system through the recovery screw. Like metal, marble is a kind of stone, and some marbles are not so smooth, and there will inevitably be uneven areas on the surface. However, the marble used for decoration must have a smooth surface. For non-smooth cases, it is generally polished with a machine or treated with sandpaper. In this case, a special marble shot blasting machine is suitable. Using the marble shot blasting machine can make you handle marble more easily.


 


maintenance:


 


(1) Work strictly in accordance with the operating procedures.


(2) Always check the tightness of the belts and chains in the transmission system, whether there is slack and the wear of the lifting bucket and the cleaning room. If there is a fault or serious wear, it should be eliminated immediately before use.


(3) At the end of each shift, the equipment must be cleaned and the wear and tear of the wearing parts and guard plates should be checked. If there are cracks, slots or perforations, they should be replaced immediately.


(4) All geared motors and bearings in this machine need to be lubricated; the geared motor must be added with No. 30 mechanical oil just before it starts to use, the bearing uses 2 # calcium-based grease, and the chain uses 30 # mechanical oil for lubrication. When the machine is used for 300 hours, the mechanical oil in the geared motor needs to be replaced, otherwise it will affect the life of the geared motor. In the future, the gear motor will be replaced with mechanical oil every six months; the shaft, spiral and roller bearing of the hoist need to be lubricated every month; the chain will be lubricated every 15 days or so according to the working conditions.


(5) If the sealing plate on the chamber body is damaged, it needs to be replaced, otherwise a large amount of steel grit will run outside the chamber body, injuring the workshop staff and polluting the environment.


(6) Regularly overhaul and maintain the equipment and replace wearing parts.


 


Stone blasting machine cleaning effect diagram:


Stone shot blasting machine is mainly used for surface cleaning of marble, simple components, small castings to remove rust, dirt, scale, casting sand, etc. on the surface of the workpiece, so that the workpiece can be used for derusting, decontamination, strengthening, sand cleaning The purpose is to improve the fatigue resistance of the workpiece and achieve the purpose of improving the surface and internal quality of the workpiece.

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