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            當前位置:首頁>新聞中心>新聞動態>如何提高山東塑料模具鋼的使用壽命?

            如何提高山東塑料模具鋼的使用壽命?

            來源:http://www.environmentandpeople.net/ 日期:2020-12-04 發布人:admin


            塑料模具鋼材是塑料模具重要的支柱。塑料模具是利用其自身特定的形狀和尺寸來成型塑料制品的。由于塑料制品形狀復雜、表面粗糙度要求高,因而塑料模具的制造難度較大。
            Plastic mold steel is an important pillar of plastic mold. Plastic mold is to use its own specific shape and size to shape plastic products. Due to the complex shape of plastic products and high requirements for surface roughness, it is difficult to manufacture plastic moulds.
            塑料模具鋼材不僅具備良好的機械加工性能,更適合復雜的腔型模具加工,金相組織細膩、拋光性能與耐腐蝕性都非常好,山東塑料模具鋼不僅具有較高的韌度,還擁有低數值的熱膨脹系數,因此倍受注塑加工行業的青睞。如何提高塑料模具的使用壽命?今天山東塑料模具鋼廠就帶大家詳細下:
            Plastic mold steel not only has good mechanical processing performance, but also is more suitable for complex cavity mold processing. Its microstructure is fine, polishing performance and corrosion resistance are very good. Shandong plastic mold steel not only has high toughness, but also has low thermal expansion coefficient, which is favored by injection molding industry. How to improve the service life of plastic mould? Today, Shandong plastic mould steel factory will take you to the following details:
            1、氮碳共滲。碳氮共滲是將工件表面同時滲入碳、氮兩種原子,形成碳氮共滲層的方法,使用這個方法模具變形小、滲速快、成本低,經過這種方法處理后的塑料模具表面硬度極高,抗粘著性、耐磨性和抗咬合性、耐擦傷能力都較高,模具使用壽命可提高2—5倍。
            山東塑料模具鋼
            1. Nitrocarburizing. Carbonitriding is a method that infiltrates carbon and nitrogen atoms into the surface of the workpiece to form carbonitriding layer at the same time. Using this method, the deformation of the mould is small, the infiltration speed is fast, and the cost is low. The surface hardness of the plastic mold treated by this method is very high, and the adhesion resistance, wear resistance, bite resistance and scratch resistance are higher. The service life of the mold can be increased by 2-5 times.
            2、滲氮。滲氮是在特定溫度下和特定介質中使氮原子滲入工件表面的熱處理方法。模具經過滲氮后表面硬度、耐磨性、抗疲勞強度及耐蝕性能都大大提高,且由于滲碳處理后的模具。滲氮與滲碳不同,它是在較低溫度下進行的,模具變形小,適用于精度要求高的模具。
            2. Nitriding. Nitriding is a heat treatment method to make nitrogen atoms penetrate into the surface of workpiece at a specific temperature and in a specific medium. After nitriding, the surface hardness, wear resistance, fatigue strength and corrosion resistance of the die are greatly improved. Nitriding is different from carburizing. It is carried out at a lower temperature. The deformation of the die is small. It is suitable for the mould with high precision.
            3、滲碳。不同材質的模具一般采用不同的熱處理方法,用低碳鋼及低碳合金鋼經擠壓加工型腔的塑料模具一般都采用滲碳處理方法,它具有滲速快、滲層深、滲層的成分梯度與硬度梯度可方便控制、低成本的特點。這類塑料模具經過滲碳處理后,其表面(0.5~2.0 mm)內含碳量可達0.8%~1.05%。這層滲層經淬火并低溫回火處理后,硬度變高,耐磨性和抗疲勞強度也都增加了,從而延長了模具的使用時間。
            3. Carburizing. Different heat treatment methods are generally used for different materials of moulds, and carburizing treatment is generally used for plastic moulds with low carbon steel and low carbon alloy steel after extrusion. It has the characteristics of fast carburizing speed, deep carburizing layer, easy control of composition gradient and hardness gradient and low cost. After carburizing, the carbon content in the surface (0.5 ~ 2.0 mm) of this kind of plastic mould can reach 0.8% ~ 1.05%. After quenching and tempering at low temperature, the hardness of the layer increases, the wear resistance and fatigue strength increase, thus prolonging the service life of the die.
            隨著我國模具鋼生產技術的發展迅速,現在已形成了我國自己的模具鋼系列。在塑料成型加工中,模具的質量對產品質量的保證作用是不言喻的。
            With the rapid development of die steel production technology in China, our own die steel series has been formed. In the plastic molding process, the quality of the mold plays an important role in ensuring the product quality.

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