Aluminium die-cast parts, die-casting moulds and machining tools – design, casting, machining and assembly from Holzminden.
Druckguss Eberhard Schlicht GmbH & Co. KG
Holzminden, Lower Saxony · Sollingstraße 56, 37603 HolzmindenNew on Amplifa
About Schlicht Druckguss
Druckguss Eberhard Schlicht GmbH & Co. KG (Schlicht Druckguss) has been manufacturing aluminium die-cast parts at its Holzminden site in southern Lower Saxony since 1948. This medium-sized company with around 60 employees produces castings with unit weights of 5 to 3,000 g on 11 die-casting machines with clamping forces of 160 to 800 tonnes and 5 melting furnaces – from small orders to large-scale series, including both standardised and application-specific special alloys. The value chain covers design and mould making including maintenance, trimming and deburring tools, machining and measuring fixtures, mechanical machining on 7 CNC machines, surface treatment, and pre-assembly or system assembly. Customers come primarily from mechanical engineering, metrology and control technology, electrical engineering, defence and the automotive supply industry; the export share is around 35 %. According to company figures, up to around 1,700 tonnes of aluminium are processed per year.
- Site
- Holzminden
- Processes
- Aluminium die casting, CNC machining (cutting), Punching, Grinding, Degreasing, Basic polishing, Painting, KTL coating (cathodic dip painting)
- Materials
- 226 D, 230 D, 231 D, 108 D Autodur, 239 D, Silumin Delta, Zinc (historical: original specialisation), AC-AlSi 9 Cu3(Fe) D
- Certificates
- DIN EN ISO 9001:2015, VDA 6.1 (audited), IATF 16949 (audited), Environmental management (energy-conscious production)
- Industries
- Mechanical engineering, Metrology and control technology, Electrical engineering, Defence, Automotive supply industry
- 01
Design and consulting
- 02
Mould and tool making
- 03
Aluminium die casting
- 04
Mechanical machining (CNC, punching, grinding)
- 05
Surface treatment
- 06
Pre-assembly/system assembly
- 07
Quality control and just-in-time delivery
Materials & Processes
AC-AlSi 9 Cu3(Fe) D
DIN-standardised aluminium die-casting alloy for housings and general mechanical engineering components.
AC-AlSi 12(Fe) D
Aluminium die-casting alloy with high castability for complex series parts.
AC-AlSi 12 Cu1(Fe) D
Aluminium die-casting alloy for demanding castings.
Autodur (AC-AlZn 10 Si 8 Mg(Fe) D)
Aluminium alloy for high-strength castings, among other uses in the automotive supply industry.
AC-AlSi 10 Mg(Fe) D
Aluminium die-casting alloy with good mechanical properties.
Silumin Delta (smelter basis, not standardised)
Special alloy with specific physical and mechanical properties for application-specific requirements.
Aluminium die casting
Core process with 11 machines (clamping forces 160–800 t), partly automated, for small to large series.
Sites
Holzminden
DEProduction plant with die casting, tool making, CNC machining, assembly and administration
- Part weight / size
- Castings 5–3,000 g
- Lot size
- Small orders to large-scale series
- Materials
- Aluminium die-casting alloys (226 D, 230 D, 231 D, 108 D, 239 D, Silumin Delta)
- 11 die-casting machines (clamping forces 160–800 t, partly automated)
- 5 melting furnaces
- 7 CNC machines
- Design software for tool and mould making
Components
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Aluminium die castingCasting | – | – | 5 g – 3,000 g | Small order – Large-scale series | Aluminium: 226 D (AC-AlSi 9 Cu3(Fe) D), 230 D (AC-AlSi |
| CNC machining (cutting)Cutting | extremely tight tolerances | – | – | – | Aluminium die casting |
| PunchingCutting | – | – | – | – | Aluminium die casting |
| GrindingCutting | – | – | – | – | Aluminium die casting |
| DegreasingSurface | – | – | – | – | Aluminium |
| Basic polishingSurface | – | – | – | – | Aluminium |
| PaintingSurface | – | – | – | – | Aluminium |
| KTL coating (cathodic dip painting)Surface | – | – | – | – | Aluminium die casting |
| Anodising (black)Surface | – | – | – | – | Aluminium die casting |
| Powder coatingSurface | – | – | – | – | Aluminium die casting |
| Delta-Seal coatingSurface | – | – | – | – | Aluminium die casting |
| Mould making (die-casting moulds)Engineering | – | – | – | – | – |
| Trimming tools / deburring diesEngineering | – | – | – | – | – |
| Fixture making (machining and measuring fixtures)Engineering | – | – | – | – | – |
| Pre-assembly or system assemblyAssembly | – | – | – | – | Aluminium die casting |
| Quality inspection (spectral analysis, X-ray)Testing | – | – | – | – | Aluminium |
3 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Die-casting machine | – | 11 | Clamping forces 160 to 800 tonnes (automated machines), unit weights 5 to 3,000 g | – | Holzminden |
| Melting furnace | – | 5 | – | – | Holzminden |
| CNC machine | – | 7 | – | – | Holzminden |
Additional services
Quality
Quality control extends across the entire production and supply chain – from incoming material inspection through in-process checks to final inspection of the castings. Among the methods used are spectral analysis and X-ray inspection.
| Evidence | Holzminden |
|---|---|
| DIN EN ISO 9001:2015 | |
| VDA 6.1 (audited) | |
| IATF 16949 (audited) | |
| Environmental management (energy-conscious production) |
History
- 1948
Founded by Eberhard Schlicht in Holzminden, initially specialising in zinc die casting.
- 1980
Sale of the company to Aktuell Druckguß GmbH, Holzminden; optimisation of work processes and investments in modern die-casting machines.
- 2022
Accelerated structural change in the industries since the start of the Ukraine war requires a new strategic market positioning.
- 2024
Start of a comprehensive restructuring procedure from May 2024, accompanied by external specialists.
- 2025
Share deal: sale of company shares to new investors in spring 2025; the restructuring procedure has been terminated since September 2025.