The reduction design is an important orientation for the design and development of corrugated box in the low-carbon economy era. Concentrating on 02 pattern corrugated box, and in accordance with the weight-bearing principle of cartons and intended strength requirements, this paper conducts the local strengthened composition on the corrugated box casing and enhances the physical properties of cartons in circulation, stacking, storage, and other aspects, which achieves the same physical strength as the traditional process but with less raw materials. The conclusions are drawn as follows on the basis of experimental and production cases: under the premise of selecting appropriate composite materials and processes, the use of the local composite strengthening technology in corrugated box casing can produce the carton with the same compressive strength while lowering more than 15% production costs than the conventional process. The study will provide some guidance to the reduction design of the corrugated box.
In order to ensure that the center and surface of the new energy heavy truck gear can meet different performance requirements, the final heat treatment process is carburization and low temperature tempering after quenching, which involves the determination of many process parameters. At present, these parameters are mainly determined manually, but the trial and error period is too long to ensure the effect. In order to solve this problem, this study proposes an intelligent decision-making method. On the basis of accurately describing the local similarity of process characteristic parameters, information entropy is introduced to express the impact of process characteristic parameters on decision-making, and entropy weight method is used to objectively weight process characteristic parameters. Then, the global similarity of process characteristic parameters is determined according to their local similarity and weight. The practical application shows that this method can realize the intelligent decision-making of the final heat treatment process parameters of new energy heavy truck gears.
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