通化硕抠家具有限公司

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    液壓油缸缸筒用鋼管調(diào)質(zhì)工藝的改進(jìn)

    Improvement of Quenching and Tempering Process for Steel Tube for Fabrication of Hydraulic Cylinder Casing

    • 摘要: 介紹了液壓油缸缸筒用鋼管的技術(shù)條件要求,分析了原有調(diào)質(zhì)熱處理工藝效果較差的原因,提出了新的調(diào)質(zhì)熱處理工藝,即在調(diào)質(zhì)前對鋼管采取先期完全消除應(yīng)力、穩(wěn)定組織的熱處理工藝,防止鋼管調(diào)質(zhì)時(shí)產(chǎn)生變形;然后再采取調(diào)整材料綜合力學(xué)性能的調(diào)質(zhì)(淬火+回火)熱處理工藝,使鋼管具有強(qiáng)度(硬度)高、耐磨性好、塑性強(qiáng)、承受壓力大、脫碳少、微變形等綜合性能優(yōu)勢。采取此新工藝后,所生產(chǎn)鋼管滿足了液壓油缸缸筒的技術(shù)條件要求。

       

      Abstract: The technological requirements for the steel tube for fabrication of the hydraulic cylinder casing are presented. And the causes for the poor effectiveness of the previously-employed quenching & tempering treatment process for the said tube are analyzed. Based on the analysis result,a new quenching & tempering process is put forward. Following the new process,the tube is first heat treated to be fully pre-stress relieved,and have stable structure so as to prevent any deformation,when it is undergoing the quenching & tempering treatment. Then the tube is subjected to the quenching & tempering treatment to get the material’s comprehensive mechanical properties properly adjusted. As a result,the tube is generally in possession of such advantages as high strength(hardness),good wear-resistance,high plasticity,high pressure-resistance,low decarbonization rate,and slight deformation,etc. Owing to the said new heat treatment process,the tubes as made are in compliance with the technological requirements for the hydraulic cylinder casing.

       

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