Sino-Abrator develops increasingly specialized in shot blast machihnes, sand blasting machines manufacture, efficient and performing cutting-edge technologies of the turbine-wheel shot blast machine is widely used for treatment of mainly metallic and stone surfaces.
The shot-blast purpose includes of the de-rusting, descaling, de-sanding, or deburring of the work pieces. Other uses are improving of anti-fatigue, hardening of surfaces for longer lifespan (shot-peening), finish blasting of sensitive parts and roughening of surfaces ready for coating or painting.
Surface cleaning
Shot blast equipment is initially used in the foundry industry to remove sticky sand, oxide scale from the surface of steel and iron castings. This is also an indispensable preparation process before the quality inspection of the casting.
Workpiece strengthening
According to modern metal strength theory, increasing the dislocation stress inside the metal is the main direction to improve the strength of the metal.
Blasting technology is used in almost all industries of metal. Shot blasting and sand blasting are both a kind of surface cold treatment cleaning technology. It is a necessary process to use steel grit or steel shot to remove surface stains and rust and verify the integrity of the product surface. Compared with other surface treatment technologies, its surface treatment ability and environmental friendliness are faster and more effective, which is the first choice;
The difference between shot blasting or sandblasting:
Drive mode:
Shot blasting uses the centrifugal rotating turbine blades of the blasting head to throw high-speed (about 70-90 m/s) steel medium (high-speed beads of steel, copper, aluminum or other materials as the shot blasting medium), and project it onto the upper surface of the shot blasting machine. Deburring, sanding, cleaning or strengthening the surface of castings at a certain angle, or removing rust, paint or other coatings, etc.;
Sand blasting medium is pneumatically accelerated by compressed air instead of a centrifugal turbine. Sand or other abrasives are driven by compressed air through a tube, allowing the user to control the spray direction, and finally sprayed onto the part through a nozzle
Different blasting materials:
Shot blasting: because of the large centrifugal force of shot wheel, metal shot abrasive is used in most cases, and the separator is used for recycling;
Sand blasting uses compressed air, either metal shots or sand such as Glass beads, but Glass beads are not recyclable and disposable.
The effect on the environment:
Shot blasting has a dust collector, it greatly reduces the impact on the environment and basically achieves a dust-free treatment;
Large sand blasting equipment is equipped with a dust collector, and small sand blasting equipment works in the open air, which has a certain impact on the environment;
Differences in processing workpieces:
Shot blasting is basically the cleaning of metal surfaces, and can also be used for stones, concrete, etc.;
Sand blasting can be used for metal, plastic, glass and other fragile products;
What is the difference between shot blasting machine and shot peening machine?
Shot blasting machine is primarily a surface finishing process. To modify the surface of parts to smooth rough surfaces, reshape surfaces, or remove surface contaminants. That is typically used to prepare the surface for subsequent operations (such as painting, coating, etc.) to improve adhesion and smoothness.
The biggest difference between shot peening machines is “peening”, which is improve the material properties of the surface to increasing the compressive stress.
Cement surface: work efficiency: 200-400 square meters/hour
Working on steel plates: steel quality grades SA 2,5 to SA3 Speed: SA2,5 about 4m/min; Speed: SA3 about 3m/min, processing area per hour: SA2,5, about 75-100 square meters /Hour
The national standard GB8923-88 “Steel surface modification grade and rust removal grade before painting” divides the rust removal grade of shot blasting machine into four grades, which are represented by the letter “Sa”.
Check the daily work diary, confirm the working status of the shot blasting machine before every shift, make sure that the work is orderly, the responsibilities are clear, the responsibilities are assigned to specific people, and the records can be checked;
After the daily work is completed, the steel abrasive scattered on the ground shall be cleaned up in time, and the power and the air source shall be cut off;
Before each maintenance, make sure cut-off the power, the sign of “Maintenance states” is obvious and clear; if you need someone to inspect and repair inside the shot blasting machine, set up a notice board in a conspicuous position, and the equipment must be in a safe control state and be looked after by someone;
Daily/Weekly/Monthly/Quarterly/Annual maintenance of shot blasting machine:
The Sino wheelAbrator professionals design, technical supporting, manufactures and services shot blasting machine and surface preparation machines and related blasting products for a range of industries, cleaning, derusting, descaling and hardening of surfaces. Improvements can be realized by upgrading to newer technology.
We provide world-class shot blasting machines & granalladora along with new innovative ideas and concepts to eliminate old design problems with shot blasting equipment.
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