FBM211【P0914TN】
先進(jìn)的五軸銑削設(shè)備與手藝打磨拋光在工藝水平上的不匹配,已經(jīng)成為制約葉片職業(yè)快速開展的瓶頸。這在以核電葉片為代表的大型葉片和以航空發(fā)動(dòng)機(jī)葉片為代表的小葉片制作過(guò)程中,表現(xiàn)尤為杰出。
關(guān)于以核電汽輪機(jī)葉片為代表的大型葉片來(lái)說(shuō),體積巨大(我國(guó)CAP1400型壓水堆核電機(jī)組的末級(jí)葉片長(zhǎng)度超越2米,重量大于280公斤)、型面復(fù)雜、精度要求高,采用手藝打磨拋光越來(lái)越困難,功率低下,加工質(zhì)量難于確保,然后影響通流、影響熱功率;此外手藝打磨拋光葉片一致性差,然后影響動(dòng)平衡、影響機(jī)組運(yùn)行安全。
而關(guān)于以航空發(fā)動(dòng)機(jī)葉片為代表的小葉片來(lái)說(shuō),又成為另一個(gè)極端,葉片長(zhǎng)度多小于100mm,型面彎、扭、掠,進(jìn)排氣邊厚度只要0.1—0.2mm(1—2張百元紙幣厚度),綜合輪廓誤差<0.05mm,手藝磨削拋光很簡(jiǎn)單形成葉片燒傷和輪廓損壞,型面精度底子不能確保。發(fā)動(dòng)機(jī)葉?型面制作質(zhì)量正是影響我國(guó)發(fā)動(dòng)機(jī)制作水平,從而影響各類飛機(jī)性能的關(guān)鍵因素。
廈門卡庫(kù)電氣有限公司
姓名:廖工
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