Historical development of a modern foundry with tradition

1909 - 1967

1909

  • foundation of the iron foundry Karl Knapp
  • 17 employees
  • production of castings for mechanical engineering

1919

  • leasing of the foundry to Maschinen- und Kranbau AG, Düsseldorf

1933 

  •  closing-up of the foundry due to the economic crisis

1937 

  • takeover of the company by Emil Sistig OHG 

1939 

  • restart of the foundry with the production of hand-moulded castings and of machine-moulded series parts

1956 

  • renaming of the company in Lintorfer Eisengießerei GmbH

1962 

  • start of production of ingot moulds

1963 

  • installation of a sand preparation plant

1966 

  • concentration on the production of ingot moulds and accessories

1967 

  • starting of a 30 t-line frequency furnace and closure of the cupola furnace
Details

1968 - 1996

1969 

  • acquisition of Lintorfer Eisengießerei GmbH by Rheinstahl Hüttenwerke AG

from 1970 

  • intensified development of ingot moulds of nodular cast iron with increasing share in production 

1973 

  • takeover of the Rheinstahl group by August Thyssen-Hütte AG 

1979 

  • installation of a GF-converter for magnesium treatment

from 1980 

  • well-directed extension of circle of customers, especially within the West European countries

1991 

  • starting of an additional line frequency furnace of 12 t

up to 1994 

  • extension of the capacity to 20.000 t per year

1995 

  • installation of a new 20 t crane within the moulding shop and casting area
  • starting of a new moulding mixer in the mould shop with a capacity of 40 t per hour

1996 

  • exchange of a milling machine
  • starting of a new moulding material mixer in the core shop with a capacity of 20 t per hour

 

 

 

 

Details

1997 - 2002

1997

  • certification according to DIN EN ISO 9002 by TÜV Rheinland 

1999

  • certification according to DIN EN ISO 9001:1994 by TÜV Rheinland
  • renovation of sand preparation plant

2000

  • for expansion of machining capacity installation of a further machine centre with installation of a boring and milling machine
  • erection of a further warehouse for extremely long pattern equipment
  • renovation of compressed-air plant
  • starting of production of ingot moulds and accessories of special cast iron with a higher carbon content 

2001

2002

  • renovation of the filtering plant at melting shop/sand preparation plant

 

 

Details

2003 - 2016

2003

  • installation of a warehouse for patterns and accessories
  • certification according to DIN EN ISO 9001:2000 by TÜV Rheinland                                                                  
  • installation of a new water cooling

2005

  • installation of a new converter

2007 

  • modernization and modification of the frequency furnace to 32 t for the capacity increase
  • construction of a production hall for the extension of the moulding facility for manufacture of accessories 
  • installation of a new 32 t crane in the moulding area
  • increase of capacity to 24.000 t

2008

  • certification of the environmental management system DIN EN ISO 14001:2004 byTÜV Rheinland

2009

  • installation of a hall for machining and acquisition of a CNC controlled drilling and milling machine
  • re-certification according to DIN EN ISO 9001:2008

2010

  • start of operation of a second CNC controlled drilling and milling machine

2011

  • installation of a new laboratory including a new spectrometer

2012

  • acquisition of the DIHAG group by a Swiss investment group
  • re-certification according to DIN EN ISO 9001:2008
  • supervision audit according to DIN EN ISO 14001:2004
  • upgrade audit in the context of the supervision audit according to DIN EN ISO 50001:2011

2013 

  • expansion and modernization of the fettling shop
  • replacement of two pouring cranes 25 t and 30 t
  • charging of four further cranes
  • supervision audit according to DIN EN ISO 9001:2008
  • re-certification according to DIN EN ISO 14001:2004
  • supervision audit according to DIN EN ISO 50001:2011

2014

  • replacement of a crane
  • supervision audit according to DIN EN ISO 9001:2008
  • supervision audit according to DIN EN ISO 14001:2004
  • re-certification according to DIN EN ISO 50001:2011

2015

  • replacement of water and sewage system
  • re-certification according to DIN EN ISO 9001:2008
  • supervision audit according to DIN EN ISO 14001:2004
  • supervision audit according to DIN EN ISO 50001:2011

2016

  • supervision audit according to DIN EN ISO 9001:2008
  • re-certification according to DIN EN ISO 14001:2004
  • supervision audit according to DIN EN ISO 50001:2011

 

 

 

 

Details