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模具的热加工品质对模具的机能

来历:beat365官网:http://es2c.com 日期:2020-12-25 宣布人:liqiang 阅读次数:
模具的热加工品质对模具的机能与应用寿数影响甚大。在现实糊口功课中咱们模具车间对各类模具的设想及出产都请求精雕细镂,而详细操纵还会呈现题目,哪咱们随着深圳模具厂家一路来批评交换一下冲压模具应用中的题目
The hot working quality of the die has a great influence on the performance and service life of the die. In actual life, our mould workshop requires exquisite carving for the design and production of various moulds, and there will be problems in the specific operation. Let's follow the Shenzhen mould factory to comment and exchange the problems in the application of stamping dies.
模具功课整机的淬火变形与开裂,应用进程的后期断裂,均与摸具的热加工工艺有关。
The quenching deformation and cracking of the die parts and the early fracture in the application process are all related to the hot working process of the die.
1.锻造工艺,这是模具功课整机建造进程中的主要关头。对于高合金东西钢的模具,凡是对材料碳化物漫衍等金相支配提出手艺请求。另外,还应严酷节制锻造温度范围,拟定准确的加热规范,选用准确的锻造力法,和锻后缓冷或实时退火等。
1. Casting technology, which is an important part of the production process of die parts. For high alloy tool steels, the metallographic arrangement such as data carbide dispersion is usually required. In addition, the casting temperature scale should be strictly controlled, the correct heating standard should be formulated, the correct casting force method should be selected, and the slow cooling or timely annealing after forging should be adopted.
2.筹办热处置。应视模具功课整机的材料和请求的差别分别选用退火、正火或调质等筹办热处置工艺,以改良支配,消弭锻造毛坯的支配错误谬误,改良加工工艺性。高碳合金模具钢经由进程得当的筹办热处置可消弭网状二次渗碳体或链状碳化物,使碳化物球化、细化,增进碳化物漫衍平均性。如许有益于确保淬火、回火品质,进步模具寿数。
2. prepare for heat treatment. In order to improve the arrangement, eliminate the shortcomings of casting blank arrangement and improve the processing technicality, annealing, normalizing or tempering should be selected separately according to the different information and requirements of die parts. High-carbon alloy die steel can eliminate network secondary carbide or chain carbide by proper preparation heat treatment, make carbide spheroidization and refinement, and promote carbide distribution uniformity. This is conducive to ensuring the quality of quenching and tempering and improving the life of the die.
3.淬火与回火。这是模具热处置中的关头关头。若淬火加热时产生过热,不但会使工件形成较大的脆性,并且在冷却时简略引发变形和开裂,严峻影响模具寿数。冲模淬火加热时出格应寄望防止氧化和脱碳,应严酷节制热处置工艺规范,在前提许可的环境下,可选用真空热处置。淬火后应实时回火,并按照手艺请求选用差别的回火工艺。
3. quenching and tempering. This is the key link in die heat treatment. If overheating occurs during quenching and heating, it will not only cause greater brittleness of the workpiece, but also cause deformation and cracking during cooling, which will seriously affect the life of the die. When the die is quenched and heated, special attention should be paid to avoiding oxidation and decarbonization. The standard of heat treatment process should be strictly controlled. Vacuum heat treatment can be used when conditions permit. After quenching, tempering should be done in time, and different tempering processes should be selected according to the technical requirements.
4.消应力退火。模具功课整机在粗加工后应停止消应力退火处置,具企图是消弭粗加工所形成的内应力,防止淬火叫产生过大的变形和裂纹。对于精度请求高的模具,在磨削或电加工后还需经由进程消应力回火处置,有益于牢固模具精度,进步应用寿数。
4. stress relief annealing. Die parts should be annealed after rough machining, with the intention of eliminating the internal stress caused by rough machining and avoiding excessive deformation and cracks caused by quenching. As for the die with high precision requirement, stress relief and tempering should be adopted after grinding or electro-processing, which is conducive to stabilizing the accuracy of the die and improving its service life.
综上所述有济南立强模具备限beat365官网公司供给,想领会更多山东模具建造厂家常识,接待存眷咱们的网站:beat365官网:http://es2c.com感谢撑持!
In summary, all the above-mentioned Jinan Liqiang Mould Co., Ltd. provides, want to know more about Shandong mould manufacturers, welcome to pay attention to our website: http://es2c.com, thank you for your support!

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