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Horst Lach

Managing Director and CEO of LACH DIAMANT, Jakob Lach GmbH & Co. KG,  Donaustr.17, 63452 Hanau, Germany. After 55+ professional years in the world of diamonds - Horst Lach, born on April 3rd, 1940, is known as one of the pioneers of the diamond tool industry. His outstanding and brilliant ideas were simply remarkable, and he initiated a complete new way of thinking in the tool industry. Tool life should no longer be measured in hours, but in weeks and months. In 1960, Horst Lach joined his father's diamond cutting facility, founded in 1922.    Horst Lach is not only CEO of LACH DIAMANT Germany, but also of LACH DIAMOND INC., Grand Rapids, MI 49512, Tel. (616) 698-0101. Website : http://www.lach-diamant.de CTE is happy to be publishing a series of articles by Horst Lach. To date we have published the following : How new superhard cutting materials revolutionized machining, Part 1    (Published 9/20/18) LACH DIAMANT looks back on 95 years, Part 2   (Published 10/18/2018) 'Poly–poly–or what?' third part – hard turning, Part 3  (Published 11/12/18) 'Poly–poly–or what?' fourth part – a trade show initiates a brilliant idea, Part 4   (Published 12/6/2018) 'Poly–poly–or what?' fifth part - Diamonds Show Profile, Part 5   (Published 1/8/2019) 'Poly – poly-or what?' sixth part - Quo vadis – Where are you going …?, Part 6  (Published 3/1/2019) Poly – Poly - or what? Part 7: Stumbling blocks on the way into the automotive world …, Part 7 (Published 4/15/2019) 'Poly – Poly – or what?' Part 8: How the 'issue with the comma' became a success, Part 8 (Published 6/25/2019) Poly – Poly – or what? Part 9: Lach Diamant Goes East, Part 9 (Published 1/6/2020)  

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Managing Director and CEO
Phone: 49-6181-103-822
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Published content

Poly – Poly – or what? Part 7: Stumbling blocks on the way into the automotive world …
News April 15, 2019 Horst Lach
Poly – Poly – or what? Part 7: Stumbling blocks on the way into the automotive world …
When you read this, 40 years will have already passed since the discovery of spark erosion for machining polycrystalline cutting materials. Lach Diamant named this process "spark grinding," which accompanied the development of proprietary machines. Polycrystalline diamond tools conquered a multiple-application market traditionally reserved for carbides. Diamonds, baked under pressure and heat during synthesis, made this possible.
‘Poly-poly-or what?’ Part five: Diamonds show profile
News January 8, 2019 Horst Lach
‘Poly-poly-or what?’ Part five: Diamonds show profile
It is October 1978. On Oct. 13, my discovery at the former Matra company in Frankfurt that PCD can be eroded by means of electric sparks was registered at the patents office. In October 2018, we looked back at 40 years of experience in the application of spark erosion for manufacturing and versatile application with polycrystalline blades of PCD- and PCBN-tipped tools.