A261 •長度單位 Unit of Length (mm) CUTTING HCM 切削技術資料 - 如何正確選擇刀具 HCMTECHNICAL INFO -HOWTOCHOOSE A CUTTER 依工件寬度搭配面銑刀具直徑 According to the width of the workpiece with the face milling cutter diameter 形式Form 刀頭 切入角 刀頭 進給方向 旋轉方向 說明Description 零件材質 Part material 刀具直徑 Cutter Diameter 選擇適當刃數 Choice suitable Flutes E建議的切入角 E The Recommendeded cut-in angle 建議刀具直徑與工件寬度比 Recommendeded tool diameter to workpiece width ratio 按直徑 (mm) 計算 Calculated by diameter (mm) 結果 esult 鋁合金 Aluminum +40°以上 5:3 多則易變形；少則易起毛邊 More easily deformed; from less easy to flash 刀頭 切入角 旋轉方向 刀頭 進給方向 形式Form 咬合角與銑刀尺寸的關係 Relation to Cutter Diameter 咬合角與銑刀位置的關係 Relation to Cutter Position 與刀具壽命的關係 Relation to Tool Life 說明Description 咬合角是銑刀中心與刀刃切進點的連線與進給方向所成的夾角。 E 越大刀具壽命越短，改變 E 的方法有：1. 加大銑刀直徑 2. 錯開位置 Engage angle denotes the angle by which the full length of the cutting edge comes in contact with the work material, with reference to the feed direction.The large E is, the shorter the tool life.To change the value of E: 1. increase the cutter size. 2. shift the position of the cutter. 咬合角和刀具壽命 Bite angle and tool life SCM440 FCD60 咬合角 1 E E (-) (+) 2 工件寬度
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