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How to improve the efficiency of blasting and reduce the cost of blasting


I. Normal use of spray gun and adjusting the distance between spray gun and workpiece: When blasting, be sure to adjust the correct distance between the spray gun and the workpiece. Generally speaking, the effective distance between the spray gun and the workpiece Between 80mm --- 130mm, the effective distance between the pressure blasting equipment spray gun and the workpiece is between 200mm --- 400mm. Of course, it is necessary to follow up the actual situation of the workpiece. For example, the hardness of the workpiece is hard, the distance between the spray gun and the workpiece is closer, the hardness of the workpiece is softer, and the distance between the spray gun and the workpiece is farther. The blasting pressure is higher, the distance between the spray gun and the workpiece is longer, the blasting pressure is lower, and the distance between the spray gun and the workpiece is closer. Second, the best angle for sandblasting Some users believe that holding a spray gun 90 degrees is the best angle for sandblasting the work surface, but it is not. The really best blasting angle is 45 degrees. Only when the blasting angle is adjusted to 45 degrees, can the blasting function be most effective. Third, the choice of sandblasting supplies Many customers in order to save costs, the consumables used are industrial river sand, as well as cheap quartz sand, ore sand. The cost of this kind of sand is relatively lower than that of professional sand blasting sand; after use, the sand blasting workshop is full of dust and sand, the wear rate of the blasting equipment is very large, and it is very bad for the workers' bodies. Seeming to save money is actually a huge waste of costs. For example: loss of machinery, injury to workers, factory environment, etc. It is recommended that manufacturers must select high-quality abrasives. Abrasives are generally divided into 3 levels, which are classified as follows: 3 levels-3 levels-2 levels-2 levels-1 level-1 levels. The price and quality of each order is different, and users choose according to their own circumstances. 4. Maintenance of wearing parts The parts where sand flows normally are all called wearing parts. As a leader in the industry, Xiefan Company uses the most wear-resistant materials to select the wearing parts to minimize the wear. . Consumable parts generally include: spray nozzle, spray gun body, sand nozzle, gas nozzle, sand pipe, air pipe, sand return pipe, window glass, gloves, silicone and so on. The user must pay attention to the inspection and maintenance of the wearing parts during use. If the wearing parts are found to be worn, they must be replaced in time. Fifth, the choice of air compressor Air compressor is an auxiliary equipment of sand blasting machine, but also an indispensable power for sand blasting. Sand blasting machine also has strict requirements on the selection of air compressors, such as the flow rate of the gas source and the dry purity of the gas source. Generally, a sand blasting gun with a nozzle of 8 mm and a sand blasting pressure of 6 kg requires a flow rate of 0.8 cubic meters per minute. According to the manufacturer's requirements, about 15% will be reserved. The total gas consumption will be 1 A spray gun with a clean air source at a flow rate of 1 cubic per minute. Two guns is 2 cubic meters of flow per minute. The increase of the number of spray guns at the same time increases the power of the air compressor according to the ratio. Sixth, worker operation training Some sand blasting machines are manual sand blasting, and the operation is manually operated. For such a situation, there is a high demand on the operator; therefore, the efficiency and effect of the blasting are controlled by the blasting operator. This situation usually occurs, and the majority of users can avoid it according to different situations. The operator will repeatedly blast the sand at a certain part of the product, that is, two blasts. The worker is not familiar with the performance and operation of the blasting equipment, which will cause damage to the blasting equipment. The worker will also replace some consumable parts that can be used when the consumable parts are replaced. The sand blasting dust removal system will not install instructions for cleaning and so on.
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