Waste aluminum is divided into two categories: new waste aluminum and old waste aluminum. The former refers to the process waste produced by aluminum processing enterprises and castings manufacturers in the process of manufacturing products, and the products that are scrapped due to unqualified composition and performance. They are generally smelted into the original grade alloy by the manufacturer itself, and some have been The material processing form is transported to the aluminum smelting plant and the like, and the new slabs are not counted when the scrap aluminum is counted. Old waste refers to scrap aluminum and scrap aluminum parts purchased from the society, such as old aluminum doors and windows, scrapped cars, electrical appliances, machinery, aluminum parts in construction, waste aluminum cans and various aluminum containers. Aluminum conductors and aluminum metal parts, scrapped aluminum kitchen utensils, etc., which are scrapped or retired, but also include scrap and waste products when processing finished aluminum products from aluminum semi-finished products. Such as processing aluminum doors and windows, deep pull cans, scraps, chips and scraps generated when processing castings and forgings.
The so-called waste aluminum or waste aluminum is the latter type of waste aluminum. Most of them are used to produce recycled aluminum alloys. A small amount of high-quality waste with a single low impurity content is also used to smelt specific components of aluminum alloy. For example, waste 1350 aluminum wire and cable can be used for melting 1350 alloy, waste aluminum cans. The 3004 alloy can be directly smelted, and the scrap aluminum doors and windows can be used to melt the 6063 alloy, but a certain amount of primary aluminum ingot or alloying element additive must be added in order to accurately set the composition.
Cut-Off Wheels is a simplified product of thousands of impeller, mainly used in industrial production of polishing, is also a kind of industrial consumables products. The impeller matrix has mesh cloth, nylon, plastic, steel paper, etc., the number of pages varies, and is evenly distributed in fan shape. Particle size 36#-400#, 60#, 80# is the most common, the outer diameter of 4"-7" installed in the angular grinder, used for welding seam, positive edge burr grinding and grinding processing, can be interchangeable with the cymbal grinding wheel, has the advantages of good elasticity, high efficiency, good heat loss, low noise can replace the resin cymbal grinding wheel, it has strong elasticity, high tensile and bending strength, Good self-sharpening, high grinding rate, low noise, suitable for grinding the welding seam in the box and the flash edge of the stamping parts. It is mainly used for grinding and polishing of various stainless steel and carbon steel structural parts.
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