本研究設計一組五連桿機構,使其耦點沿著設定之曲線路徑移動,並研究變換樞軸位置對非圓形齒輪節曲線的影響,以使得齒形之產生更為容易。於此研究中將探討兩種不同路徑之規劃,第一種為直線往復式曲線路徑,第二種為∞字形曲線路徑。分別給予樞軸位置以設計出各連桿長度,確保連桿能完整的在定義之路徑做動,並計算出各個角度關係與連桿位置後,再以角位移與角速度設計出非圓形齒輪節曲線。本研究亦探討樞軸位置對於非圓形齒輪節曲線的影響。最後以Solid-Works繪製各配置之零件與組合件,並利用COSMOS-Motion進行動作模擬與驗證。
The purpose of this study is to optimize the five-bar mechanism driven by noncircular gears, whose coupling point can meet the designed curve path. The choice of pivot position is considered to find the smoothest noncircular gear pitch curve. Two types of path driven by the mechanism are designed in the study. The first type is applied to generate a straight line and the second type is applied to generate a Lemniscate, respectively. The pivot positions are set firstly to design the links lengths and making the links to meet the design curve. The angular position and velocity are investigated and applied to design the noncircular gears. In this research, the effect of the pivot position to the design of noncircular gear pitch curves is also studied. These mechanical components and assemblies were set by Solid-Works firstly, and then COSMOS-Motion was applied to simulate and check.