Comparison of patent technology of 3D needle-punching perform at home and abroad
A comparative analysis of publicly available patents related to 3D non-woven needle-punching technology at home and abroad reveals that the existing 3D needle-punching equipment has certain limitations,especially in high-temperature resistant and brake components used in aerospace and other fields,which require high processing requirements and manufacturing costs,making it impossible to promote large-scale use.In order to further solve the processing and molding of 3D performs,the advantages and disadvantages of the invention patent technology at home and abroad are summarized,the patent technology of the development of 3D needle punching technology is compared,and tthe future development trend is discussed.
NETL
NSTL
万方数据
