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数控刀具的重磨技术工艺

发布时间:2021-06-21 13:33:00 来源:http://www.jnskdj.com 作者:骏豪 浏览量:

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,因此砂轮必 须有足够的刚度。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 process of bit or milling cutter milling, the original coating of grinding cutting edge needs to be removed, so the grinding wheel must have enough rigidity. Edge grinding pretreatment is very important, not only to ensure that the original cutting edge geometry in grinding is completely accurate, but also to require PVD coated tools to be "safe" after regrinding. Therefore, NC tool blade recycling reminds you that you must avoid unreasonable grinding process (for example: high temperature leads to rough grinding or dry milling tool surface damage).

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。

Pre coating can be used to remove all chemical methods in the original coating. In addition to often used for complex tools (such as hobs, Broaches) or more complex and coated tools, there are problems with tool coating thickness. Chemical removal of coatings is usually limited to high-speed steel tools, because it can destroy cemented carbide substrate: cobalt is removed from cemented carbide substrate filter, and the chemical removal of coatings is difficult for porous, gas hole and surface coating.

数控刀具的重磨技术工艺(图1)

此外,也有适用于去除PVD涂层用化学方法申请了专利。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。

In addition, some chemical methods for removing PVD coating have been patented. In these chemical removal solutions and cemented carbide substrates with only slight reaction, but these methods are not extensive. By using gradient sintering technology, the impact resistance and wear resistance of the cutting edge are enhanced, so as to improve the anti damage ability of the cutting edge.

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强。

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 Al 2O 3 deposition layer has good thermal barrier performance, which ensures the resistance of the blade matrix to plastic deformation during high speed dry cutting. Gold Tin on the surface can reduce friction and provide wear recognition effect. The TiCN layer has the property of anti abrasive wear, which makes the wear resistance of the flank of the blade strong.

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 commonly used to remove surface coatings because it can provide good consistency. The typical coating removal tool is through the grinding process in the original coating.