Holding of the Dr. Schäfer Group: casting production, CNC machining, special-purpose machinery construction as well as aluminium roller shutter and door systems.
Dr. Arnold Schäfer GmbH
Saarlouis · Dillingen/Saar · Überherrn · Saint Priest (FR)New on Amplifa
About the Dr. Arnold Schäfer Group
Dr. Arnold Schäfer GmbH, headquartered in Saarlouis, is the nucleus and parent company of a Saarland-based corporate group that operates as a holding company managing industrial holdings and real estate. The group includes, among others, Bartz-Werke GmbH, which produces grey and nodular graphite cast iron in Dillingen/Saar for mechanical engineering, the automotive and electrical industries, and the construction sector, and Bartz Bearbeitung GmbH & Co. KG in Überherrn with CNC milling, CNC turning, CNC grinding, welded constructions, and the construction of fixtures and special-purpose machinery. LAKAL GmbH in Saarlouis manufactures roller shutters, doors, venetian blind and insect protection systems made of aluminium and supplies specialist retail partners in Germany and France. Through LAKAL France S.A.S. in Saint Priest, sales, customer service and technical consulting in France are covered. Cooperation partners in Europe and Asia are integrated into a logistics concept for complete supply in the field of casting.
- Site
- Saarlouis
- Processes
- Grey cast iron and nodular graphite cast iron, Turning (post-casting treatment), Milling (post-casting treatment), Painting (post-casting treatment), CNC milling (single parts and small series), CNC turning (single parts and small series), CNC grinding (single parts and small series), Five-axis milling
- Materials
- Grey cast iron, Nodular graphite cast iron, Aluminium, Casting process with pattern and tool making
- Certificates
- Programmable 3D measuring machine
- Founded
- 1978
- Industries
- Mechanical engineering, Automotive industry, Electrical industry, Construction sector, Roller shutter and door technology, Sun and insect protection
- 01
Design and materials consulting
- 02
Pattern and tool making
- 03
Casting (grey cast iron, nodular graphite cast iron)
- 04
Machining: turning, milling, grinding, EDM
- 05
Surface and heat treatment
- 06
Welded constructions and assembly
- 07
Quality inspection
- 08
Logistics and complete supply
Materials and Processes
Grey cast iron
Used for cast components in mechanical engineering, the automotive and electrical industries, and the construction sector.
Nodular graphite cast iron
A tougher cast material for more highly stressed components in mechanical and automotive engineering.
Aluminium
Material for roller shutter, door and insect protection systems at LAKAL.
Casting process with pattern and tool making
Complete problem solution from materials consulting through patterns and tools to post-casting treatment.
Locations
Saarlouis
DEHolding and administration of the group; site of LAKAL GmbH (roller shutter and door systems)
- Materials
- Aluminium
Dillingen/Saar
DEFoundry (Bartz-Werke GmbH)
- Materials
- Grey cast iron, nodular graphite cast iron
Überherrn
DEMachining and special-purpose machinery construction (Bartz Bearbeitung GmbH & Co. KG)
- Lot size
- Single parts, small series
- Materials
- Steel, stainless steel, aluminium
- Five-axis milling centre
- Programmable 3D measuring machine (Wenzel)
Saint Priest
FRSales, marketing and customer service (LAKAL France S.A.S.)
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Grey cast iron and nodular graphite cast ironCasting | – | – | – | – | Grey cast iron, Nodular graphite cast iron |
| Turning (post-casting treatment)Machining | – | – | – | – | – |
| Milling (post-casting treatment)Machining | – | – | – | – | – |
| Painting (post-casting treatment)Surface | – | – | – | – | – |
| CNC milling (single parts and small series)Machining | – | – | – | Single parts – Small series | – |
| CNC turning (single parts and small series)Machining | – | – | – | Single parts – Small series | – |
| CNC grinding (single parts and small series)Machining | – | – | – | Single parts – Small series | – |
| Five-axis millingMachining | – | – | – | – | – |
| Conventional millingMachining | – | – | – | – | – |
| Conventional turningMachining | – | – | – | – | – |
| Conventional grindingMachining | – | – | – | – | – |
| Burning/cuttingMachining | – | – | – | – | – |
| Welded constructions / weldingJoining | – | – | – | – | – |
| Die sinking EDMMachining | – | – | – | – | – |
| Wire EDMMachining | – | – | – | – | – |
| SandblastingSurface | – | – | – | – | – |
| Glass bead blastingSurface | – | – | – | – | – |
| Painting workSurface | – | – | – | – | – |
| Browning (blackening)Surface | – | – | – | – | – |
| GalvanizingSurface | – | – | – | – | – |
| HardeningHeat treatment | – | – | – | – | – |
| Construction of special fixtures, clamping fixtures and special-purpose machineryAssembly | – | – | – | Single parts | – |
| Plant engineering and assembly manufacturing incl. complete assembly and purchased-parts procurementAssembly | – | – | – | – | – |
| Large-part machiningMachining | – | – | – | – | – |
| Design (design and materials consulting)Engineering | – | – | – | – | – |
| Pattern and tool making (foundry)Casting | – | – | – | – | Grey cast iron, Nodular graphite cast iron |
| Quality inspection with programmable measuring machineInspection | – | – | – | – | – |
2 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Five-axis milling centre | – | – | – | – | Überherrn |
| Programmable measuring machine (3D measuring machine) | Wenzel | – | – | – | Überherrn |
Additional services
Quality
Bartz Bearbeitung GmbH & Co. KG has a programmable measuring machine from Wenzel for quality inspection. LAKAL has been meeting the higher requirements of the French NF standard for roller shutter systems for years.
| Evidence | Überherrn |
|---|---|
| Programmable 3D measuring machine |
History
- 1897
Founding of Bartz-Werke
- 1924
Founding of LAKAL GmbH
- 1978
Registration of Dr. Arnold Schäfer GmbH (22.02.1978, AG Saarbrücken HRB 52112)
- 1985
Bartz-Werke become part of the Dr. Schäfer Group
- 1995
Founding of Dr. Arnold Schäfer Bergbau GmbH (27.09.1995, HRB 52825)
- 1999
LAKAL GmbH becomes part of the Dr. Arnold Schäfer Group
- 2001
LAKAL supplies predominantly finished roller shutter elements and doors to specialist retail partners
- 2007
Heiko Sonnekalb becomes managing director (23.08.2007)
- 2013
Philip Ellrich is granted power of procuration (11.04.2013)
- 2017
Relocation of registered office to Saarlouis (10.04.2017)
- 2021
Merger of the management company Karl Achenbach mbH (22.12.2021); LAKAL revenue approx. 74 Mio. €, Bartz-Werke approx. 27.8 Mio. € (Wikipedia)
- 2021
LAKAL generated revenue of approx. 74 Mio. EUR
- 2021
Bartz-Werke generated revenue of approx. 27.8 Mio. EUR