4WRZ10E1-85-7X/6EG24N9ETK4/D3V力士樂比例閥

4WRZ10E1-85-7X/6EG24N9ETK4/D3V

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4WRZ10E1-85-7X/6EG24N9ETK4/D3V
中碳鋼或合金中碳鋼零件采用調(diào)質(zhì)處理，可有效提高和充分發(fā)揮材料的機(jī)械強(qiáng)度等性能。但是對(duì)于軸徑比較粗大的軸類零件，調(diào)質(zhì)時(shí)淬火的有效層只有幾毫米，經(jīng)調(diào)質(zhì)、機(jī)械加工后所剩無幾，而心部狀態(tài)實(shí)際上并沒有得到很好的改善。所以根據(jù)筆者的經(jīng)驗(yàn)，φ70以上的實(shí)心軸類零件，可以考慮采用正火十機(jī)械加工或正火十淬火十磨削外圓的工藝流程。因?yàn)檩S類零件往往采用高頻或中頻淬火，加熱只發(fā)生在外圓表層，心部織實(shí)際不可能被淬透。若用鹽浴爐加熱，心部可以被加熱，但材料的淬透性有限，調(diào)質(zhì)時(shí)的淬火實(shí)際在心部還是淬不透的。而正火可以有效改善零件的整體組織狀態(tài)，細(xì)化心部金相組織，這對(duì)有些零件來說已經(jīng)足夠了。
　　(9)液壓系統(tǒng)設(shè)計(jì)時(shí)，應(yīng)充分考慮機(jī)器的整體布局，液壓油箱的容積以足夠用為原則，使液壓油用量為少;管路走向簡單緊湊，長度盡可能短。同理，在設(shè)計(jì)電器系統(tǒng)和制動(dòng)管路系統(tǒng)時(shí)，都應(yīng)使電纜或制動(dòng)管路走向合理，長度為短。
　　3結(jié)論
　　產(chǎn)品設(shè)計(jì)是個(gè)綜合信息處理的復(fù)雜過程，它終的結(jié)果是把線條、符號(hào)、數(shù)字繪制成合理的設(shè)計(jì)圖樣，設(shè)計(jì)人員應(yīng)從以下幾個(gè)方面綜合考慮;
　　(l)簡化每個(gè)零件的形狀，使機(jī)器結(jié)構(gòu)簡單;
　　(2)合并零件的功能，減少零件的種類或數(shù)量;
　　(3)應(yīng)用新結(jié)構(gòu)、新工藝、新材料、新原理來簡化產(chǎn)品結(jié)構(gòu)，提高產(chǎn)品的可靠性;
　　(4)分解部件，研究其裝配、組裝的簡單的結(jié)構(gòu);
　　(5)對(duì)相似零件進(jìn)行分組;
　　(6)對(duì)相似產(chǎn)品按標(biāo)準(zhǔn)數(shù)序列進(jìn)行產(chǎn)品系列化分析;
　　(7)實(shí)現(xiàn)產(chǎn)品零件的通用化和標(biāo)準(zhǔn)化。
　　產(chǎn)品設(shè)計(jì)人員提高設(shè)計(jì)質(zhì)量的關(guān)鍵在于自覺、主動(dòng)地學(xué)習(xí)與生產(chǎn)加工過程和加工工藝方面有關(guān)的知識(shí)，熟練掌握設(shè)計(jì)技巧。 力士樂比例閥 武漢 現(xiàn)貨
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