T/KCH 003-2022 Engineering machinery wire bundle cross-sectional testing technical requirements

Scope

Scope: This standard specifies the testing methods for cross-sectional testing of wiring harnesses in construction machinery, including testing conditions, testing principles, testing instruments, testing procedures, test results, and evaluation. This standard applies to cross-sectional testing in the crimping process; Main technical content: The construction machinery industry is an important component of China's equipment industry, with product categories including excavators, earthmoving and transport machinery, and engineering cranes, among others. It can be said that as long as there is engineering construction, construction machinery is indispensable. Since the emergence of construction machinery, with technological advancements and continuous changes in business models, the industry has evolved from the start-up phase and formation phase to the development phase. Especially in recent years, the global construction machinery industry has been in a state of steady growth, and the industry's structure will not undergo fundamental changes in the short term. The industrial scale of the construction machinery industry increased from 457.0 billion yuan at the end of the "Twelfth Five-Year Plan" (2015) to over 700.0 billion yuan in 2020, with an average annual growth of approximately 8.96%. During the "Thirteenth Five-Year Plan" period, the construction machinery industry deeply implemented the innovation-driven development strategy, continuously made new breakthroughs in the R&D and application promotion of high-end and intelligent product core technologies, fully meeting the needs of major engineering projects in national economic construction, and emerging a large number of scientific research achievements, becoming an important driving force for the sustained growth of the industry. The "Go Global" strategy of construction machinery, on the one hand, expands overseas markets and provides new impetus for enterprise performance growth; on the other hand, produc

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