[技術] 高精度與強度齒輪製作
各位好,最近在開發一個幫浦內用的齒輪
承受壓力需13 bar以上,尺寸不大,外徑約40mm以下
但齒輪各項尺寸公差要求1條內
齒輪的內外徑同心度更要求在1條~1條半以下
(用三次元量過OEM的,同心度準到0.5條以內...)
形狀複雜、壁又不厚,試過CNC加工,車到內圈時會有變形
目前朝向粉末冶金嘗試,但廠商目前燒結完整形,最緊繃也是到1條半就極限
還不能熱處理,否則太硬無法(OEM似乎是有熱處理跡象)
密度測試過約為7 g/cm3,判斷應為粉末冶金
請問各位有推薦的解決辦法嗎?
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