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            當前位置:首頁>新聞中心>新聞動態>影響模具鋼可切削性的因素有哪些呢?

            影響模具鋼可切削性的因素有哪些呢?

            來源:http://www.environmentandpeople.net/ 日期:2020-12-01 發布人:admin


            模具鋼的切削加工性(可切削性,機械加工性)同切削加工性能,指金屬材料被刀具切削加工后而成為合格工件的難易程度。那么影響模具鋼可切削性的因素有哪些呢?
            The machinability (machinability, machinability) of die steel is the same as machinability, which refers to the difficulty of metal material being processed by cutting tool and becoming qualified workpiece. What are the factors that affect the machinability of die steel?
            1.化學成分:鋼的合金成分越高,就越難加工,當碳含量增加時,金屬切削性能就下降。
            The higher the carbon content of the steel, the more difficult the machinability.
            2.鋼的結構:不同的結構影響金屬切削性能,如鍛造.鑄造.擠壓.軋制和已切削加工過的,鍛件和鑄件有非常難于加工的表面。
            2. Steel structure: different structures affect metal cutting properties, such as forging, casting, extrusion, rolling and machined, forgings and castings have very difficult to machine surfaces.
            山東模具鋼
            山東模具鋼
            shandong die steel
            3.硬度:硬度是影響金屬切削性能的一個重要因素,一般規律是鋼越硬,就越難加工。高速鋼(HSS)可用于加工硬度高為330-400HB的材料;高速鋼+鈦化氮(TiN)涂層,可加工硬度高為45 HRC的材料;而對于硬度為65-70 HRC的材料,則使用硬質合金.陶瓷.金屬陶瓷和立方氮化硼(CBN)。
            3. Hardness: hardness is an important factor affecting metal cutting performance. The general rule is that the harder the steel is, the harder it is to machine. High speed steel (HSS) can be used to machine materials with high hardness of 330-400hb; high speed steel + nitrogen titanate (TIN) coating can be used to machine materials with hardness of 45 HRC; and for materials with hardness of 65-70 HRC, cemented carbide, ceramics, cermet and cubic boron nitride (CBN) are used.
            4.非金屬參雜:一般對刀具壽命有不良影響。例如Al2O3(氧化鋁),它是純陶瓷,有很強的磨蝕性。
            4. Nonmetal impurity: generally, it has adverse effect on tool life. For example, Al2O3 (alumina), which is a pure ceramic, has strong abrasion resistance.
            5.殘余應力:殘余應力能引起金屬切削性能問題,一般推薦在粗加工后進行應力釋放工序。
            5. Residual stress: residual stress can cause metal cutting performance problems. It is generally recommended to carry out stress relief process after rough machining.

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