Lach Diamant

Borazon celebrates fifty years, new era follows

| Editor: Briggette Jaya

Premiered 50 years ago, the first CBN grinding wheel for the dry grinding of an HSS milling cutter.
Premiered 50 years ago, the first CBN grinding wheel for the dry grinding of an HSS milling cutter. (Source: Lach Diamant)

At the Hannover spring trade fair in 1969, Lach Diamant demonstrated the grinding of HSS and high-alloy steel on a tool-grinding machine.

In 1969, Lach Diamant introduced the first CBN grinding wheel for the dry grinding of an HSS (high-speed steel) milling cutter. The manufacturer claims to be first manufacturer worldwide to demonstrate the grinding of HSS and high-alloy steel on a tool grinding machine, much to the amazement of experts.

Lach Diamant's grinding wheels, first known as Borazon, was a trademark of General Electrics, which was then a manufacturer of super-abrasives, namely K-MX for resinoid bonds and Bz-Mx for metal bonds.

Lach Diamant's ‘contour-profiled’ special electrical discharge (EDG) profiling/spark grinding machine EGD-plus.
Lach Diamant's ‘contour-profiled’ special electrical discharge (EDG) profiling/spark grinding machine EGD-plus. (Source: Lach Diamant)

Today, 50 years after Borazon premiered as the abrasive of a new era, Lach Diamant offers its metal-bond profile grinding wheel, ‘contour-profiled’, which, it says, saves time and costs in the production grinding of high-alloyed steel, when it comes to profiles.

The company has now also developed a special electrical discharge profiling machine for regrinding — even for the most precise concave and convex profiles ranges of 2-4 µ.

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