50 Years PCD – 1973-2023
How super-hard cutting materials revolutionized machining Horst Lach, CEO of LACH DIAMOND INC., Grand Rapids/MI looks back: “When I received the first polycrystalline diamonds for testing from the manufacturer General Electric in April 1973, shortly before the Hanover spring tradeshow in Germany, I immediately gave them to our diamond cutting shop for natural diamonds. We […]
