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              新聞詳情
              微耕機刀組的選用原則與建議
              時間:2012-10-10 來源:本站 作者:管理員

              微耕機刀組的選擇可以根據使用場;配套機組的動力、耕寬及耕深;材質這三個方面來選擇。

               
              一、根據微耕機的使用場地選擇刀組
               
              1、若用于雜草較少的旱地深松開荒,宜選用深耕刀 刀組;若用于土質較松軟的干地、旱地、沙土地、荒地、 大棚作業等,選用旱地耕刀刀組。
              2、若用于雜草較少的濕地旋耕或泥腳較硬的稻樁田,選用濕地彎刀刀組;
              3、若用于泥腳較硬的稻樁田與土 質松軟的濕地或帶雜草的淺水田和水泡田,選用復合 式彎刀刀組
              4、若用于泥腳土質較軟的淺水田或用于耕后田塊的碎土平整,選用水田輪:
              此外,濕地彎刀刀組也町用于土質松軟的旱地耕作。但建議最好根據不同的土壤選用適應的刀組,既可獲得好的耕作質量也可減少刀具的損傷。
               
              二、根據配套機組的動力、耕寬及耕深選擇刀組 
               
              一般來說,刀組旋轉直徑越大,耕深越深,消耗動力越大;刀組耕寬越大,消耗動力也越大。此外,還應考慮變速箱體齒輪所能承受的最大扭矩等因素。由于現在還沒有比較實用的理論或經驗公式用于刀組的受力分析,因此,對配套機組生產廠家來說要根據設計經 驗或實驗研究來選用刀組。對普通用戶來說,盡量選用廠家原配型號的刀組,避免現“小馬拉大車,大馬拉小車”現象。
               
              三、根據材質選擇刀組 
               
              在使用過程中,最容易現的失效現象是刀片斷裂、刀柄脫落、刀組焊接件脫焊、銹蝕等。為減少這些現象的發生,刀組的刀片應用65mn鋼鍛壓并經熱處理 制成,刀組軸、刀柄應用45鋼,并應有可靠的焊接
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