（1）使用合理的(de)夾緊(jin)方(fang)法(fa)和(he)固定(ding)裝置

目的均勻(yun)加(jia)熱和(he)冷卻(que)工件(jian)以減少不(bu)均勻(yun)的熱應力和(he)不(bu)均勻(yun)的組織應力以減少變(bian)形(xing)。夾緊方法可以改(gai)變(bian)。圓盤部件(jian)垂直于油(you)面，軸(zhou)部件(jian)垂直安(an)裝。使(shi)用(yong)(yong)補償墊圈(quan)(quan)和(he)支撐(cheng)墊圈(quan)(quan)。 ，花鍵(jian)孔(kong)部件(jian)可使(shi)用(yong)(yong)滲(shen)碳芯軸(zhou)，疊加(jia)墊圈(quan)(quan)等。

（2）加工

當熱(re)(re)(re)處理(li)(li)是(shi)工(gong)(gong)(gong)(gong)件(jian)加(jia)(jia)工(gong)(gong)(gong)(gong)過(guo)程(cheng)的(de)最后一(yi)步時(shi)，熱(re)(re)(re)處理(li)(li)變(bian)形(xing)(xing)(xing)的(de)允許(xu)值(zhi)應(ying)滿足圖紙上指定的(de)工(gong)(gong)(gong)(gong)件(jian)尺寸，變(bian)形(xing)(xing)(xing)變(bian)量應(ying)根(gen)據前一(yi)加(jia)(jia)工(gong)(gong)(gong)(gong)的(de)尺寸確(que)定。因(yin)(yin)此(ci)，根(gen)據工(gong)(gong)(gong)(gong)件(jian)的(de)變(bian)形(xing)(xing)(xing)，應(ying)在熱(re)(re)(re)處理(li)(li)之前進(jin)行(xing)尺寸的(de)預校正，以(yi)(yi)使熱(re)(re)(re)處理(li)(li)變(bian)形(xing)(xing)(xing)在合格(ge)范圍內。當熱(re)(re)(re)處理(li)(li)是(shi)中(zhong)間過(guo)程(cheng)時(shi)，應(ying)將熱(re)(re)(re)處理(li)(li)前的(de)加(jia)(jia)工(gong)(gong)(gong)(gong)余(yu)量視為加(jia)(jia)工(gong)(gong)(gong)(gong)余(yu)量和(he)熱(re)(re)(re)處理(li)(li)變(bian)形(xing)(xing)(xing)的(de)總和(he)。通(tong)常，加(jia)(jia)工(gong)(gong)(gong)(gong)余(yu)量容易確(que)定，并且(qie)由于(yu)許(xu)多影(ying)響因(yin)(yin)素而(er)使熱(re)(re)(re)處理(li)(li)更加(jia)(jia)復雜，因(yin)(yin)此(ci)留有足夠(gou)的(de)加(jia)(jia)工(gong)(gong)(gong)(gong)余(yu)量用于(yu)加(jia)(jia)工(gong)(gong)(gong)(gong)，其余(yu)的(de)可以(yi)(yi)用作熱(re)(re)(re)處理(li)(li)容許(xu)變(bian)形(xing)(xing)(xing)變(bian)量。熱(re)(re)(re)處理(li)(li)后的(de)加(jia)(jia)工(gong)(gong)(gong)(gong)后，根(gen)據工(gong)(gong)(gong)(gong)件(jian)的(de)變(bian)形(xing)(xing)(xing)規(gui)律(lv)，采用抗(kang)變(bian)形(xing)(xing)(xing)和(he)收縮端(duan)預擴孔(kong)，以(yi)(yi)提高淬火后的(de)變(bian)形(xing)(xing)(xing)合格(ge)率。

（3）使用(yong)適當的媒(mei)體

鋼熱處理廠家在(zai)確保相(xiang)同的(de)硬度(du)要(yao)求的(de)前(qian)提(ti)下，嘗試使(shi)用(yong)油性(xing)(xing)介(jie)質(zhi)(zhi)。實驗和實踐(jian)證明(ming)，在(zai)沒有其他條(tiao)件(jian)的(de)前(qian)提(ti)下，油性(xing)(xing)介(jie)質(zhi)(zhi)的(de)冷(leng)(leng)卻速度(du)較慢，而水性(xing)(xing)介(jie)質(zhi)(zhi)的(de)冷(leng)(leng)卻速度(du)則相(xiang)對較快。而且，與(yu)油性(xing)(xing)介(jie)質(zhi)(zhi)相(xiang)比，水溫變化對水性(xing)(xing)介(jie)質(zhi)(zhi)的(de)冷(leng)(leng)卻特性(xing)(xing)影響更大。在(zai)相(xiang)同的(de)熱處理條(tiao)件(jian)下，與(yu)水性(xing)(xing)介(jie)質(zhi)(zhi)相(xiang)比，淬火后油性(xing)(xing)介(jie)質(zhi)(zhi)的(de)變形量相(xiang)對較小。

鋼熱處理廠家可以改(gai)善工(gong)件(jian)(jian)的(de)機械(xie)性能，并提高工(gong)件(jian)(jian)的(de)強度和硬度，但不可避免地產生變形效果。現(xian)階段，我(wo)們(men)必須重視中國熱(re)處理(li)技(ji)術和設備(bei)的(de)改(gai)進，不斷學(xue)習國外先(xian)進技(ji)術，提高熱(re)處理(li)工(gong)件(jian)(jian)的(de)質量和合格率，為中國熱(re)處理(li)行業做出貢獻。