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曲面零件設計中的連續性控制

信息編號:63933570 發布時間:2025/8/13 18:12:35

SolidWorks 曲面建模需保證曲面間的光滑過渡,常用 “曲率梳” 工具檢查連續性。設計汽車覆蓋件時,相鄰曲面需達到 G2(曲率連續),避免光影反射出現折線,通過 “曲面縫合” 合并時,公差設為 0.001mm 確保無縫連接。?
創建復雜曲面優先使用 “邊界曲面”:選擇 4 條封閉輪廓線,調整 “相切驅動” 使曲面與相鄰面保持切線連續,比 “放樣曲面” 更易控制形狀。對于水壺等旋轉對稱曲面,“旋轉曲面” 配合 “可變截面掃描” 可實現漸變壁厚,壁厚變化率建議不超過 1:5。?
曲面加厚時需注意曲率半徑:當曲面小曲率半徑 R5mm 時,加厚厚度不宜超過 1mm,否則易產生自干涉。可先 “抽殼” 再 “加厚”,通過 “偏移曲面” 預留壁厚余量,保證終尺寸公差在 ±0.1mm 內。
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