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Huaxia Powder Metallurgy Obtains MIM Device Patent for Linear Guide Rail Slider, Solving Feed Port Bridging Challenge

2026-05-08 · Impact score: 21

Shaanxi Huaxia Powder Metallurgy Co., Ltd., in collaboration with Shaanxi Mechanical Research Institute Co., Ltd., filed a patent in February 2026 for a metal powder injection molding (MIM) device for linear guide rail sliders, published under CN121988742A. The device features an anti-bridging mechanism installed inside the feed port—comprising a drive motor that rotates a shaft via a drive wheel, belt, and driven wheel, with stirring rods on the shaft continuously agitating the material—effectively preventing material buildup and bridging to ensure smooth discharge. This technology directly addresses the industry pain point of feed port clogging in MIM processes, offering engineering reference value for improving the process stability of metal powder in post-forming stages.

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华夏粉末冶金获直线导轨滑块MIM装置专利，破解进料口架桥难题

陕西华夏粉末冶金有限责任公司联合陕西省机械研究院有限公司，于2026年2月申请一项直线导轨副滑块金属粉末注射成型(MIM)装置专利，公开号为CN121988742A。该装置通过在进料口内部安装防架桥机构——由驱动电机通过主动轮、皮带及从动轮带动转轴，转轴上分布的搅拌杆对进料口内物料进行持续搅动——有效防止物料堆积并形成架桥现象，确保下料顺畅。该技术直接对应金属粉末注射成型工艺中进料口堵塞的行业痛点，对提升金属粉末在后处理成型环节的工艺稳定性具有工程借鉴价值。

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