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Machining is a process of cutting, grinding, turning, milling, drilling and other processing methods for workpieces through mechanical equipment, also known as CNC machining or CNC machine tool processing.Machined parts refer to parts manufactured by machining, which are usually used in machinery manufacturing, automobile manufacturing, aerospace and other fields.The machining accuracy and surface quality of machined parts are required to be high
Thermoset soft foam and elastomer have certain thermal softening plasticity at 100-220 ℃, which can achieve mutual bonding without using adhesive. Combined with the subsequent molding steps, uniform recycled products can be obtained, which is hot pressing.Bayer (now Covestro) has developed a recycling process for waste elastomer products, crushing waste into particles for preheating,
Sustainable development has always been the focus and inevitable development trend of the chemical industry.In the era of pure pursuit of maximum benefits, the development model of "waste water, waste water and waste water", global warming, resource tension and other serious problems have been brought about by the development model of "waste water, waste water and waste water". The increasing large-scale environmental pollution problems have caused people's concern about the deterioration of the living environment and the earth's climate.In the new era, sustainable development is not new
