L. Kellenberger

L. Kellenberger & Co. AG
legal form	Corporation
founding	1917
Seat	St. Gallen , Switzerland
management	Viktor Gaspar, André Lehmann
Number of employees	> 500
Branch	Machine tool manufacturing
Website	www.kellenberger.com
	Status: 2020

The L. Kellenberger & Co. AG is an internationally operating Swiss manufacturer of high-precision grinding machines, based in St. Gallen and is among the world's leading suppliers of precision cylindrical grinding machines.

Field of activity

Kellenberger specializes in the development and production of numerically controlled precision grinding machines and systems of the middle and top technology level. Kellenberger has been part of the American company Hardinge since 1995 and had a turnover of 120 million Swiss francs in 2008 .

The company manufactures universal and cylindrical grinding machines for external and internal cylindrical grinding of small and medium-sized workpieces. These are used in the precision production of prototypes as well as small, medium and large series in the mechanical engineering, tool and mold making, automotive and electrical industry, hydraulics, aerospace, precision industry, tool industry.

St. Gallen location

Company history

In 1917 Leonhard Kellenberger founded a mechanical workshop for the production of grinding machines in St. Gallen . In 1918 L. Kellenberger & Compagnie brought the first in-house developed universal grinding machine onto the market, in 1920 the first surface grinding machine and a special grinding machine for overhauling automobile engines, in 1922 the first crankshaft grinding machine. In 1960 Kellenberger specialized in universal cylindrical grinding machines. 1995 L Kellenberger was taken over by the American company Hardinge. In 2009, 65 of the 400 jobs, 240 of which were located in St. Gallen and 160 in Biel, were cut. The turnover was between 100 and 110 million Swiss Francs. In 2010, Kellenberger took over the British company Jones & Shipman.

Kellenberger is now the management company in the Hardinge Grinding Group, which includes Voumard, Hauser, Tschudin and Usach as well as the English grinding machine manufacturer Jones & Shipman. The Hardinge Group, based in Elmira (USA), is the world's largest manufacturer of spindle tools.

timeline

1917: Company founded by Leonhard Kellenberger
1918: Launch of the first universal grinding machine from Kellenberger
1920: Construction of a surface grinding machine and a special grinding machine for overhauling automobile engines
1922: Market launch of a fine boring machine, a honing machine and a crankshaft grinding machine
1935: First tool grinding machine
1945: First hydraulic universal grinding machine
1956: Mr. Edgar Kellenberger takes over the management
1960: Specialization in universal cylindrical grinding machines and tool grinding machines
1989: Mr. Jürg Kellenberger took over the management and founded the USA subsidiary KELLENBERGER Inc. for sales and service
1995: As of November 29, 1995, Kellenberger belongs to Hardinge Inc., Elmira, USA
2008: Merger of Kellenberger and HTT
2010: As of April 1, 2010, Jones & Shipman is part of Kellenberger
2012: On December 21, 2012, Hardinge takes over the grinding machine manufacturer USACH (USA)
2013: Forkardt Operations is taken over on May 21, 2013
2014: On September 9, 2014 the takeover of Voumard takes place

Web links

Website of L. Kellenberger & Co. AG

Individual evidence

↑ Kellenberger sold to Hardinge . In: Finance and Economy . November 29, 1995, p. 14 .
^ Company of L. Kellenberger & Co AG - development and production of precision grinding machines, St. Gallen and Biel-Bienne, Switzerland. Retrieved August 28, 2017 .
↑ L. Kellenberger plans a new building . In: St. Galler Tagblatt . April 8, 2010 ( online ).
↑ Manufacturing depth of 85% - Many core components are produced in-house. 100 years of innovations in grinding technology . In: mav . April 12, 2017 ( industrie.de [accessed August 28, 2017]).
↑ Hans Deckel, Friedrich Wilhelm Deckel: Patent DE1034505B - Machine tool for processing, e.g. B. for grinding cylindrical and conical bores, in particular fixed workpieces . In: Google Books . July 12, 1955 ( google.com [accessed September 13, 2017]).
↑ Kellenberger cuts 65 jobs , 20min.ch , August 5, 2009
↑ Kellenberger is preparing for a lean time ( memento from September 9, 2017 in the Internet Archive ), Tagblatt , August 6, 2009
↑ L.Kellenberger + Co. AG takes over Jones & Shipman , automationnet.de, April 15, 2010
↑ Manufacturing depth of 85% - Many core components are produced in-house. 100 years of innovations in grinding technology . In: mav . April 12, 2017 ( industrie.de [accessed August 28, 2017]).
^ Collet knowledge. Retrieved August 7, 2012 (American English). , Machinery, July 2017
^ Company introduction - L. Kellenberger & Co. AG company - development and production of precision grinding machines, St. Gallen and Biel-Bienne, Switzerland. Retrieved August 28, 2017 .

[1] Kellenberger sold to Hardinge . In: Finance and Economy . November 29, 1995, p. 14 .

[2] Company of L. Kellenberger & Co AG - development and production of precision grinding machines, St. Gallen and Biel-Bienne, Switzerland. Retrieved August 28, 2017 .

[3] L. Kellenberger plans a new building . In: St. Galler Tagblatt . April 8, 2010 ( online ).

[4] Manufacturing depth of 85% - Many core components are produced in-house. 100 years of innovations in grinding technology . In: mav . April 12, 2017 ( industrie.de [accessed August 28, 2017]).

[5] Hans Deckel, Friedrich Wilhelm Deckel: Patent DE1034505B - Machine tool for processing, e.g. B. for grinding cylindrical and conical bores, in particular fixed workpieces . In: Google Books . July 12, 1955 ( google.com [accessed September 13, 2017]).

[6] Kellenberger cuts 65 jobs , 20min.ch , August 5, 2009

[7] Kellenberger is preparing for a lean time ( memento from September 9, 2017 in the Internet Archive ), Tagblatt , August 6, 2009

[8] L.Kellenberger + Co. AG takes over Jones & Shipman , automationnet.de, April 15, 2010

[9] Manufacturing depth of 85% - Many core components are produced in-house. 100 years of innovations in grinding technology . In: mav . April 12, 2017 ( industrie.de [accessed August 28, 2017]).

[10] Collet knowledge. Retrieved August 7, 2012 (American English). , Machinery, July 2017

[11] Company introduction - L. Kellenberger & Co. AG company - development and production of precision grinding machines, St. Gallen and Biel-Bienne, Switzerland. Retrieved August 28, 2017 .