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With the rapid development of shipbuilding and ship repairing industry, in order to improve the efficiency of blasting machine accessories
and reduce the time wasted due to shutdown and adding sand, two-cylinder single-shot and multi-shot blasting machines have been produced. Can continuously add sand, no need to stop adding sand, continuous operation can greatly improve efficiency, has been widely used since 2001.
From the development history, the first sand blasting machines to appear are basically jet type (negative pressure type), which can use the negative pressure of air jet to draw the abrasive into the mixing cavity and spray it to the workpiece. Lower, sand blasting efficiency is extremely low, not suitable for large-area, high-efficiency cleaning occasions, so it has gradually been replaced by direct-pressure sandblasting machines. Now the models used by various manufacturers are basically direct-pressure sandblasting machines.
The biggest features of the accessory
models are smooth blasting, strong blasting force, high energy utilization and high blasting efficiency. In addition, the impact of sandblasting equipment on the efficiency of cleaning also includes the rationality of structural design, the continuity of work, the convenience of use, and the sensitivity and speed of reflection.
Factors affecting the efficiency of blast cleaning include abrasive conditions, operator proficiency, and nozzle material. We will not discuss them one by one here. From the above analysis, we can see that the impact of blast cleaning efficiency is very intuitive in terms of a single independent factor, but due to the constraints of environmental conditions, it is difficult for various factors to reach the optimal The effect, such as the nozzle diameter, should be larger as possible, but from a safety perspective, the human body is prone to fatigue for a long time. In principle, the nozzle diameter of the manual operation is not allowed to be larger than 12㎜;
In addition, when the air supply of the air compressor is 6m3 / min, if a nozzle with a bore of 12㎜ is selected (in this case, a nozzle with a bore of 10 应 should be selected), the efficiency of cleaning the blasting machine accessories
will not increase, but will increase. Decreases accordingly. Therefore, in order to maximize the efficiency of blast cleaning, it is necessary to comprehensively analyze and deploy according to the environmental conditions, so as to achieve the best results. Click: http://edghakxa.com/ for more information.