早期发展

开拓创新、坚定不移和密切关注客户需求是 Kennametal 自建立伊始的一贯作风。通过多年的研究,冶金学家 Philip M. McKenna 在 1938 年发明了钨-钛 硬质合金,该合金用于切削工具后使得钢的切削效率得到了重大突破。“Kennametal®”刀具的切削速度更快、寿命更长,因此推动了从汽车生产到飞机 再到整个机械行业金属加工的发展。利用这项发明,Philip 在宾夕法尼亚洲的 Latrobe 创办了 McKenna Metals Company。后来公司更名为 Kennametal,现在公司已经成为金属加工领域的世界领先公司,其公司总部仍然位于 Latrobe(拉特罗布)。

McKenna Metal 最初拥有 12 名员工,第一年的全年销售额大约为 30,000 美元。但是,二战期间,美国的重工业进入了高速发展阶段。由于公司的刀具在战时经济中得到广泛应用,Kennametal 的年销售额接近 1,000 万美元,拥有员工近 900 人。

战时的繁荣过后,Kennametal 积极寻求新方法来开发碳化钨合金的韧性和耐磨性。在20世纪40年代中期,公司开创性的将硬质合金刀具应用到采矿业,因此带动了采矿机械的持续发展。同 时,Kennametal 还将碳化钨应用到对耐磨性要求极高的产品应用方面,如阀、模具、钻头以及雪犁刮刀等。

技术突破

Kennametal当初就是建立在技术突破的基础上,下面列出的事迹说明Kennametal一直以创新为先导。

1946 年,公司开发出 Kendex 产品线——机械夹持的可转位刀片系统,该系统加速了换刀过程,提高了加工精度。

今天,Kennametal 独有的、用于生产抗冲击粗结晶碳化钨的专利铝热剂生产工艺仍然是制造用于苛刻应用(如采矿)的超硬刀具材料的最佳途径。

1964 年,Kennametal 发明了头部镀碳化钨的轮胎防滑钉。尽管轮胎防滑钉可以明显提高冬天行走的安全性,但是因为会对马路造成破坏而受到争议。在国家立法限制碳化钨防滑钉的使用后,Kennametal 于 1977 年退出了该领域。

Kennametal 领导了用于加工特殊航空材料的硅-氮“sialon”陶瓷材料的研发。

Kennametal 是第一个开发用于涂层刀片的富含钴基体材料的厂家,第一个使用物理气相沉积 (PVD) 工艺为硬质合金刀具涂层的厂家,是第一个把金刚石涂层用于硬质合金刀片并商业化的厂家。

Kennametal 也是开发快速换刀系统的引领者,当今的快速换刀系统代表了多样化、高速和高精度的趋势。

Kennametal 在位于宾夕法尼亚州拉特罗布市的全球及北美总部设有投资 3,000 万美元的技术中心,其配套设施分别位于阿拉斯加的 Rogers、宾夕法尼亚州的 Bedford、乔治亚州的 Evans、德国的Fürth 和 Essen、以色列的 Shlomi 以及印度的 Bangalore,这一切使 Kennametal 始终保持其技术领先地位。这些设施致力于迅速开发旨在满足特定客户需求的产品。

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