
Non-ferrous sand castings in all aluminium and copper alloys from 200 g to 200 kg piece weight.

Dietermann GmbH + Co. KG
Viersen (DE) · Foundry (non-ferrous sand casting)New on Amplifa
Non-ferrous sand foundry in Viersen
Dietermann GmbH + Co. KG is a non-ferrous sand foundry in Viersen that produces demanding sand-cast components in medium batch sizes. Castings are produced in all aluminium and copper alloys with piece weights from 200 g to 200 kg. Moulding is done by hand, on semi-automatic moulding lines or on moulding machines; these are supplemented by core making, casting and fettling. With a very high level of in-house value creation, the company supports customers throughout the entire life cycle of a component: from design support and simulation via pattern making and prototype production through to series supply and spare parts production. Downstream heat treatment, machining on CNC machining centres, quality assurance and logistics round off the range of services. Customers include pump and vacuum machine engineering, engine manufacturing, the rail vehicle industry, industrial valves, construction machinery and general mechanical engineering.
- Site
- Viersen
- Processes
- Non-ferrous sand casting (hand moulding), Non-ferrous sand casting (semi-automatic moulding lines), Non-ferrous sand casting (machine moulding), Core making, Pattern making, Simulation & design support, Fettling, Heat treatment
- Materials
- Aluminium alloys (all), Copper alloys (all), Non-ferrous sand casting (hand moulding), Non-ferrous sand casting (semi-automatic moulding lines), Non-ferrous sand casting (machine moulding), Machining on CNC centres, Heat treatment
- Certificates
- Quality assurance (in-house)
- Industries
- Pumps & vacuum machine engineering, Engine manufacturing, Rail vehicle industry, Industrial valves, Construction machinery, Mechanical engineering
- 01
Consulting & design support
- 02
Simulation & pattern making
- 03
Core making
- 04
Machine moulding & hand moulding
- 05
Casting & fettling
- 06
Heat treatment
- 07
Machining (CNC machining)
- 08
Quality assurance
- 09
Logistics
Materials and processes
Aluminium alloys (all)
Casting material for components from 200 g to 200 kg in all aluminium alloys.
Copper alloys (all)
Casting material for demanding components in all copper alloys.
Non-ferrous sand casting (hand moulding)
Batch sizes from 1–10 pieces/year for prototypes and small series.
Non-ferrous sand casting (semi-automatic moulding lines)
Series production from 200 pieces/year with piece weights up to 200 kg.
Non-ferrous sand casting (machine moulding)
Series production from 200 pieces/year for components in medium batch sizes.
Machining on CNC centres
Downstream further machining of castings on CNC machining centres.
Heat treatment
Heat treatment of aluminium and copper cast components in-house.
Locations

Viersen
DEFoundry (non-ferrous sand casting)
- Part weight / size
- 200 g – 200 kg
- Lot size
- Prototypes 1–10 pieces/year; series 200–20,000 pieces/year
- Materials
- Aluminium and copper alloys
- CNC machining centres
- Moulding machines
- Semi-automatic moulding lines
- Core making machines
Components


Inside the production


Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Non-ferrous sand casting (hand moulding)Casting | accurate to the micron (subject to review) | – | 200 g – 200 kg | 1 piece/year (small series/prototypes) – 20,000 pieces/year | Aluminium alloys, Copper alloys |
| Non-ferrous sand casting (semi-automatic moulding lines)Casting | – | – | 200 g – 200 kg | 200 pieces/year – 20,000 pieces/year | Aluminium alloys, Copper alloys |
| Non-ferrous sand casting (machine moulding)Casting | – | – | 200 g – 200 kg | 200 pieces/year – 20,000 pieces/year | Aluminium alloys, Copper alloys |
| Core makingCasting | – | – | – | – | Aluminium alloys, Copper alloys |
| Pattern makingEngineering | – | – | – | – | – |
| Simulation & design supportEngineering | – | – | – | – | – |
| Fettling | – | – | – | – | Aluminium alloys, Copper alloys |
| Heat treatmentHeat treatment | – | – | – | – | Aluminium alloys, Copper alloys |
| Machining on CNC centresMachining | – | – | – | – | Aluminium alloys, Copper alloys |
| Prototype productionCasting | – | – | – | 1 piece/year | Aluminium alloys, Copper alloys |
4 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| CNC machining centres | – | – | – | – | – |
| Moulding machines | – | – | – | – | – |
| Semi-automatic moulding lines | – | – | – | – | – |
| Core making machines | – | – | – | – | – |
Additional services
Quality
Quality assurance is part of the in-house value creation and accompanies the process from simulation through casting to final, machined component inspection.
| Evidence | Viersen |
|---|---|
| Quality assurance (in-house) |