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数控刀具的重磨技术工艺!

来源:/ 日期:2020-11-13 发布人:hengxin

在钻头或铣刀铣削过程中,研磨切削刃是需要删除原来的涂层,因此砂轮要有足够的刚度。刃口磨预处理是至关重要的不仅要确保在磨的原始的切削刃几何保留形状是完全准确的并要求的 PVD 涂层刀具重磨后的工具必须是"安全"。因此,数控刀具刀片回收提醒您必须避免不合理的磨削加工过程 (例如︰ 高温导致粗磨或干铣削的刀具表面损伤)。

In the milling process of drill or milling cutter, the original coating should be removed when grinding the cutting edge, so the grinding wheel should have enough rigidity. The pretreatment of edge grinding is very important not only to ensure that the geometric shape of the original cutting edge is completely accurate, but also that the tool after regrinding of PVD coated tool must be "safe". Therefore, CNC tool blade recovery reminds you that it is necessary to avoid unreasonable grinding process (e.g. tool surface damage caused by rough grinding or dry milling due to high temperature).
                    数控刀具刀片回收
前涂层,可用于删除所有在原涂层的化学方法。除经常用于复杂刀具 (如滚刀、 拉刀) 或更复杂和镀层的工具有问题工具涂层厚度。化学方法去除涂层通常限于高速钢工具,因为它可以破坏硬质合金衬底︰ 从硬质合金衬底过滤器对钴,涂层的化学去除难多孔、 生气孔和表面涂层。此外,也有适用于去除 PVD 涂层用化学方法申请了。在这些化学清除解决方案和硬质合金衬底与只有轻微的反应,但这些方法不广泛。采用梯度烧结技术,刃口抗冲击性和耐磨性增强,从而提高刃口的抗破损能力。含特殊晶体结构的碳化物,提高了刀片基体的红硬性,加强了刀片耐高温性能。特殊结构的Al2O3 沉积层具有很好的热屏障性能,保障高速干切削时,刀片基体抗塑性变形能力。表面金黄色TiN具有减小摩擦和提供磨损识别效果。TiCN层具有抗磨料磨损的性能,使刀片后刀面抗磨损的性能比较强。
The front coating can be used to remove all chemical methods in the original coating. In addition to the tool coating thickness, which is often used for complex tools (such as hobs, Broaches) or more complex and coated tools, the coating thickness of the tools is problematic. Chemical removal of coatings is usually limited to high-speed steel tools, because it can destroy cemented carbide substrates: for cobalt from cemented carbide substrate filters, the chemical removal of coatings is difficult to porous, porous, and surface coatings. In addition, there are also chemical methods for removing PVD coatings. In these chemical removal solutions and cemented carbide substrates with only slight reaction, these methods are not widespread. By using gradient sintering technology, the impact resistance and wear resistance of the cutting edge are enhanced, so the anti damage ability of the cutting edge is improved. The carbide with special crystal structure improves the red hardness of the blade matrix and enhances the high temperature resistance of the blade. The special structure of the Al2O3 deposition layer has a good thermal barrier performance, which can ensure the anti plastic deformation ability of the blade matrix during high speed dry cutting. The surface golden tin can reduce friction and provide wear recognition effect. TiCN layer has the ability of anti abrasive wear, which makes the wear resistance of the flank of the blade better.
此外,数控刀具刀片回收告诉您还有其他清洗的涂层方法,如激光加工,磨砂,等等。化学去除法是比较常用的删除,因为它可以提供很好的一致性的表面涂层的方法。 典型的涂层去除工具是通过磨削过程在原涂层。
In addition, CNC tool blade recycling tells you that there are other cleaning coating methods, such as laser processing, sanding, and so on. Chemical removal method is more commonly used for removal because it can provide good consistency of the surface coating method. The typical coating removal tool is through the grinding process in the original coating.

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