3D列印技術發展日益純熟廣泛，結合網格結構可輕量化設計早已逐漸導入到航太、汽車及醫材工業應用中，有少量立即生產之特點，結合網格結構可達複雜化生產、設計最佳化、輕量化，同樣輕量化若應用到機車零件亦可減輕重量、降低油耗。
3D金屬燒結列印結合網格結構設計應用於機車前鼓式煞車盤，利用專業3D CAD軟體作零件實體版建模，再另建立一導入三角形、六角Honey comb及Kelvin網格結構，來嵌入於煞車盤部分結構中，用以來比較網格結構前後輕量化程度，網格以Solidworks 3D CAD軟體建模插入。
再運用有限元素分析軟體，作應力及應變分析確認，重量從263.44 g減輕到233.81. g，重量減輕有11%。

The development of 3D printing is getting more and more mature and extensive. Gradually finding applications in the aerospace industry. It has the characteristics of a small amount of production and flexibility and immediate. Combining the lattice structure in design, the design can be optimized, the number of parts can be integrated, and the weight and fuel consumption can be reduced. If a method for lightweight is applied to bikes, it can increase flexibility and reduce fuel consumption.
3D printing integrated lattice structure design in front brake panel, use 3D CAD software to model the solid type and create a new latticed model. Insert the lattices structure of triangle, hexagonal Honey comb, and Kelvin in the parts. Compared to the lightweight one, the lattices structure model by Solidworks 3D CAD.
Use finite element analysis software to perform stress and deformation analysis to confirm that the weight is reduced from 263.44 g to 233.81 g, which is -11%.
Keyword: Front brake panel, lattice structure, finite element analysis, lightweight

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