Robert Hofmann GmbH manufactures components and assemblies made of plastic and metal – from prototype to series production.
Robert Hofmann GmbH
LichtenfelsNew on Amplifa
About Robert Hofmann GmbH
Robert Hofmann GmbH is a privately owned manufacturing service provider based in Lichtenfels (Bavaria). The company develops and produces highly complex mechanical and electronic individual parts, components and complete assemblies made of plastic and metal – from prototype to series production. The service portfolio includes 3D printing in metal and plastic, conventional injection moulding production and precision injection moulding, PU vacuum casting, speed tooling for aluminium tooling, gauge and fixture construction, heat treatment, surface finishing as well as final and assembly work. As an all-in-one solution supplier, Robert Hofmann GmbH offers both full-service engineering with consulting, development and after-sales as well as individual manufacturing competencies. Customers come from the Mobility & Logistics, Aviation & Aerospace, Consumer & Lifestyle, Medical & Healthcare and Defence & Security sectors; certified processes are in place for aviation and medical technology (EN 9100, ISO 13485). An in-house testing laboratory ensures the quality of the manufactured parts.
- Site
- Lichtenfels
- Processes
- 3D printing metal, 3D printing plastic, Plastic injection moulding / conventional injection moulding production, Precision injection moulding, Rapid prototyping in metal and plastic, PU vacuum casting, Speed tooling for aluminium tooling, Gauge and fixture construction
- Materials
- Metal, Plastic, PU, Aluminium, PU (polyurethane)
- Certificates
- DIN EN 9100, DIN EN ISO 13485, EN 9100, ISO 13485, ISO 9001
- Founded
- 1991
- Employees
- 51–200
- Industries
- Mobility & Logistics, Aviation & Aerospace, Consumer & Lifestyle, Medical & Healthcare, Defence & Security
- 01
Consulting
- 02
Product development / engineering
- 03
Rapid prototyping (3D printing metal & plastic, PU vacuum casting)
- 04
Speed tooling / gauge and fixture construction
- 05
Injection moulding / 3D printing series production
- 06
Heat treatment
- 07
Surface finishing
- 08
Assembly / final assembly
- 09
Quality inspection
Materials & Processes
PU (polyurethane)
Used in PU vacuum casting for samples and small series of plastic components.
Plastic
Processed in 3D printing, conventional injection moulding production and precision injection moulding.
Aluminium
Used for speed tooling, i.e. aluminium tooling for injection moulding production.
Metal
Material basis for 3D printing, components and assemblies including manual finishing.
Locations
Lichtenfels
DEHeadquarters and production
- Materials
- Plastic, PU, metal, aluminium
- 3D Printing Factory (metal & plastic)
- Injection moulding systems
- Testing laboratory
Components
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| 3D printing metalAdditive | – | – | – | – | Metal |
| 3D printing plasticAdditive | – | – | – | – | Plastic |
| Plastic injection moulding / conventional injection moulding productionPlastic | – | – | – | – | Plastic |
| Precision injection mouldingPlastic | – | – | – | – | Plastic |
| Rapid prototyping in metal and plasticAdditive | – | – | – | – | Metal, Plastic |
| PU vacuum castingPlastic | – | – | – | – | PU |
| Speed tooling for aluminium toolingEngineering | – | – | – | – | Aluminium |
| Gauge and fixture constructionEngineering | – | – | – | – | – |
| Heat treatmentHeat treatment | – | – | – | – | – |
| Manual finishingSurface | – | – | – | – | – |
| Surface finishingSurface | – | – | – | – | – |
| Final assembly / assembly of componentsAssembly | – | – | – | – | Plastic, Metal |
| Product development / full-service engineering (consulting, development, manufacturing)Engineering | – | – | – | – | – |
| Manufacturing of individual parts and series (prototype to series production)Assembly | – | – | – | – | Plastic, Metal |
Additional services
Reference customers
Quality
Robert Hofmann GmbH has an in-house testing laboratory and works according to certified processes for aviation (DIN EN 9100) and the medical sector (DIN EN ISO 13485). Certified materials are used.
| Evidence | Lichtenfels |
|---|---|
| EN 9100 | |
| ISO 13485 | |
| ISO 9001 |
History
- 1991
Founding of Robert Hofmann GmbH.