冷模鋼實際上是指模具零件的熱處理。冷沖裁模、冷扎模、冷擠壓模、冷拉深拉模等冷拉模具種類繁多。在形狀結構的巨大差異下，操作條件和功能規定也有所不同。除選擇合適的數據外，還應選擇Z佳的熱處理方法，以適應模具的使用，提高磨具的使用壽命。
In practice, cold work die steel refers to the heat treatment of die parts. There are many kinds of cold working dies, mainly including cold blanking die, cold heading die, cold extrusion die, cold drawing die, etc. Due to the great differences in shape and structure, the operating conditions and functional requirements are also different. In addition to selecting suitable materials, we should also select z-best heat treatment process to meet the functional requirements of the die and improve the service life of the die.
球化退火冷加工模具煅燒后，充分準備Z終熱處理，清除鍛坯的鑄造應力，改善顯微布局，降低強度，便于加工。
The cold working die needs spheroidizing annealing after forging, cleaning the casting stress of the forging blank, improving the microstructure arrangement and reducing the hardness, so as to facilitate machining and prepare for Z final heat treatment.
淬火是冷加工模具終熱處理的主要操作。應注意模具的使用。應注意以下幾點：
Quenching is an important operation in the final heat treatment of cold working die. It has a great impact on the use function of the die, which should be paid special attention to. The following points should be noted:
1)應識別磨具數據，并檢查磨具表面是否有劃痕和裂紋。
1) Acknowledge the mold data and check whether there are scratches, cracks and other defects on the mold surface.
2)根據模具外觀，模具文學和武術的趨勢可能會導致各種阻塞、相關或綁定，以便均勻地加熱和制冷。
2) According to the shape of the mold, estimate the trend of mold literature and martial arts, and make a variety of blocking, binding or binding to make uniform heating and cooling.
3）合理選擇淬火加熱溫度的馬氏體，不僅需要與一些合遠素和碳固溶，還需要過多的滲碳體來細化晶粒，以保證模具的淬火、硬化水平和強度，提高模具的耐磨性，確保磨具有一定的耐久性。同時，應注意磨具溫度對加熱環節變形和加熱的影響。
3) Reasonable selection of quenching heating temperature austenite not only needs solid solution with some alloying elements and carbon to ensure the hardenability, hardening ability, strength and thermal hardness of the die, but also needs appropriate excess carbide to refine the grain, improve the wear resistance of the die and ensure that the die has certain resistance. At the same time, the influence of mold temperature on deformation and preheating during heating should be considered.
4)合理選擇淬火、加熱和保溫時間-磨具淬火和加熱，根據加熱設備選擇的經驗公式換算保溫時間。但在具體的熱處理操作中，應注意模具零件的實際情況。但在具體的熱處理操作中，應注意模具零件的實際情況。但在具體的熱處理操作中，應注意模具零件的實際情況。特別是對于復雜的磨具，應充分考慮各種相關因素，并確認淬火和絕緣時間。
4) Reasonable selection of quenching, heating and heat preservation time for the quenching and heating of general molds, the heat preservation time can be calculated according to the experience formula selected by the heating equipment. However, the specific conditions of die parts should be considered in the practical heat treatment operation. Especially for complex molds, various influencing factors should be comprehensively considered, and the quenching and holding time should be confirmed through tests.
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