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New breakthrough in tool coating: metallurgical advantages of Daokedao laser cladding
Date:2025-10-31 13:31     Source:daokedao     Browse:17

Traditional tool coating techniques are mostly mechanical or chemical bonding, with limited bonding strength. PVD coating has poor adhesion and is prone to peeling off during heavy-duty cutting; There are microcracks in the electroplated coating, which affect the service life of the cutting tool. The bonding problem between coating and substrate has become a key bottleneck restricting the performance of cutting tools.

The Daokedao laser cladding equipment achieves a breakthrough in metallurgical bonding of tool coatings. Through high-energy laser beams, the coating material and substrate surface are melted simultaneously, and a dense metallurgical bonding layer is formed after rapid solidification, with a bonding strength more than twice that of traditional coatings. The cladding layer has no pores or cracks, and the structure is uniform and stable.

For complex cutting tools such as gear cutters and zippers, Daokedao equipment can accurately control the cladding area, form wear-resistant coatings on key working surfaces, and maintain the original toughness in non working areas. Through user verification, the service life of complex cutting tools after melting is increased by 3-4 times, the machining accuracy is stable, and the cost of using high-end cutting tools is significantly reduced.


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