（1）使用(yong)合理(li)的夾緊(jin)方法和固定(ding)裝置

目的均勻加熱和(he)冷卻工件以減少不均勻的熱應(ying)力(li)和(he)不均勻的組織應(ying)力(li)以減少變(bian)形。夾緊(jin)方法可以改變(bian)。圓(yuan)盤部(bu)件垂直于油面(mian)，軸部(bu)件垂直安裝。使用補償墊(dian)圈(quan)和(he)支撐墊(dian)圈(quan)。 ，花鍵(jian)孔部(bu)件可使用滲(shen)碳芯軸，疊加墊(dian)圈(quan)等。

（2）加工

當熱(re)處(chu)(chu)(chu)理(li)(li)是工(gong)(gong)(gong)(gong)件(jian)加(jia)(jia)工(gong)(gong)(gong)(gong)過(guo)程的(de)(de)(de)最(zui)后一(yi)(yi)步時，熱(re)處(chu)(chu)(chu)理(li)(li)變形(xing)(xing)(xing)的(de)(de)(de)允許(xu)值應滿(man)足(zu)圖紙上指(zhi)定的(de)(de)(de)工(gong)(gong)(gong)(gong)件(jian)尺(chi)寸，變形(xing)(xing)(xing)變量(liang)(liang)應根據(ju)前(qian)一(yi)(yi)加(jia)(jia)工(gong)(gong)(gong)(gong)的(de)(de)(de)尺(chi)寸確定。因(yin)此(ci)(ci)，根據(ju)工(gong)(gong)(gong)(gong)件(jian)的(de)(de)(de)變形(xing)(xing)(xing)，應在熱(re)處(chu)(chu)(chu)理(li)(li)之(zhi)前(qian)進行(xing)尺(chi)寸的(de)(de)(de)預校正，以(yi)使熱(re)處(chu)(chu)(chu)理(li)(li)變形(xing)(xing)(xing)在合格范(fan)圍內(nei)。當熱(re)處(chu)(chu)(chu)理(li)(li)是中間(jian)過(guo)程時，應將熱(re)處(chu)(chu)(chu)理(li)(li)前(qian)的(de)(de)(de)加(jia)(jia)工(gong)(gong)(gong)(gong)余量(liang)(liang)視為(wei)加(jia)(jia)工(gong)(gong)(gong)(gong)余量(liang)(liang)和(he)熱(re)處(chu)(chu)(chu)理(li)(li)變形(xing)(xing)(xing)的(de)(de)(de)總和(he)。通(tong)常，加(jia)(jia)工(gong)(gong)(gong)(gong)余量(liang)(liang)容易(yi)確定，并且(qie)由(you)于(yu)許(xu)多影響因(yin)素而使熱(re)處(chu)(chu)(chu)理(li)(li)更(geng)加(jia)(jia)復雜，因(yin)此(ci)(ci)留(liu)有足(zu)夠的(de)(de)(de)加(jia)(jia)工(gong)(gong)(gong)(gong)余量(liang)(liang)用于(yu)加(jia)(jia)工(gong)(gong)(gong)(gong)，其余的(de)(de)(de)可以(yi)用作熱(re)處(chu)(chu)(chu)理(li)(li)容許(xu)變形(xing)(xing)(xing)變量(liang)(liang)。熱(re)處(chu)(chu)(chu)理(li)(li)后的(de)(de)(de)加(jia)(jia)工(gong)(gong)(gong)(gong)后，根據(ju)工(gong)(gong)(gong)(gong)件(jian)的(de)(de)(de)變形(xing)(xing)(xing)規律，采用抗變形(xing)(xing)(xing)和(he)收縮端(duan)預擴孔，以(yi)提(ti)高淬(cui)火后的(de)(de)(de)變形(xing)(xing)(xing)合格率。

（3）使(shi)用適當的媒體

鋼熱處理廠家在(zai)確保相(xiang)同(tong)的硬(ying)度(du)要求的前提下，嘗試(shi)使用油性(xing)(xing)(xing)介(jie)質。實(shi)驗和實(shi)踐證(zheng)明，在(zai)沒(mei)有其他條件(jian)的前提下，油性(xing)(xing)(xing)介(jie)質的冷(leng)(leng)卻(que)(que)(que)速度(du)較(jiao)慢，而(er)(er)水(shui)性(xing)(xing)(xing)介(jie)質的冷(leng)(leng)卻(que)(que)(que)速度(du)則(ze)相(xiang)對(dui)較(jiao)快。而(er)(er)且，與(yu)(yu)油性(xing)(xing)(xing)介(jie)質相(xiang)比，水(shui)溫變(bian)化對(dui)水(shui)性(xing)(xing)(xing)介(jie)質的冷(leng)(leng)卻(que)(que)(que)特性(xing)(xing)(xing)影響更大。在(zai)相(xiang)同(tong)的熱處理條件(jian)下，與(yu)(yu)水(shui)性(xing)(xing)(xing)介(jie)質相(xiang)比，淬火后(hou)油性(xing)(xing)(xing)介(jie)質的變(bian)形量相(xiang)對(dui)較(jiao)小。

鋼熱處理廠家可以(yi)改善工(gong)件的(de)機械(xie)性能，并(bing)提高工(gong)件的(de)強度(du)和(he)硬(ying)度(du)，但不可避免地產(chan)生(sheng)變形效(xiao)果。現階段，我們必須(xu)重視中國熱(re)處(chu)(chu)理技(ji)術(shu)(shu)和(he)設備(bei)的(de)改進(jin)，不斷(duan)學習國外(wai)先(xian)進(jin)技(ji)術(shu)(shu)，提高熱(re)處(chu)(chu)理工(gong)件的(de)質量和(he)合格(ge)率，為中國熱(re)處(chu)(chu)理行業做出(chu)貢獻。