
Certified master craftsman and welding shop for CNC parts, welded assemblies, container, tank and plant construction.
J. Bußmann & A. Drotleff GbR Maschinen- und Anlagenbau
Hann. Münden (Hedemünden)New on Amplifa
About us
J. Bußmann & A. Drotleff GbR Maschinen- und Anlagenbau was founded in March 2009 and is a nationwide just-in-time supplier of turned and milled parts as well as ready-to-install welded assemblies for the automotive and consumer goods industries. As a master craftsman and welding business, the company also manufactures containers, tanks and systems, pipework and steel construction components such as robot cells made from laser-cut, partly machined individual parts at its Hann. Münden (Hedemünden) site. Small series of 1 to 1000 pieces are produced on CNC-controlled turning and milling machines, in steel grades, aluminium and stainless steel. The company is certified as a welding shop for pressure vessels and pressure vessel parts in accordance with DIN EN ISO 3834-2 and AD 2000-Merkblatt HP0 and qualified in accordance with DIN 2303 for defence products. Further services include the repair of silos and tank trucks including structural and pressure testing by TÜV, prototype construction, design engineering and complete production of customer assemblies. With competent suppliers, complete assemblies can be delivered on request, usually just-in-time.
- Site
- Hann. Münden (Hedemünden)
- Processes
- Turning (CNC turned parts), Milling (CNC milled parts), CNC machining, TIG welding (141), MIG welding (131), MAG welding (135), Brazing / flame brazing (912), Welded assemblies (ready to install)
- Materials
- Steel (steel grades), Aluminium, Stainless steel, Materials material group 1.2 according to CEN ISO/TR 15608, Materials material group 8.1 according to CEN ISO/TR 15608, Materials material group 22 according to CEN ISO/TR 15608, Materials material group 23 according to CEN ISO/TR 15608, Welding processes (141, 131, 135)
- Certificates
- DIN EN ISO 9001:2015, DIN EN ISO 3834-2 / Directive 2014/68/EU Annex I No. 3.1 (AD 2000 HP0), DIN 2303 Q2 BK2 (defence products), ISO 9001:2008, DIN EN ISO 3834-2 / AD 2000 HP0, DIN 2303 Q2 BK2 (defence-related), Directive 2014/68/EU Annex I No. 3.1
- Founded
- 2009
- Industries
- Automotive industry, Consumer goods industry, Mineral oil industry, Defence technology, Industry (robot cells)
- 01
Design engineering
- 02
CNC turning and CNC milling
- 03
Laser cutting of individual parts (supplier)
- 04
Welding (TIG, MIG, MAG, brazing)
- 05
Mechanical post-processing
- 06
Assembly/complete production of assemblies
- 07
Just-in-time delivery
Materials & Processes
Steel (steel grades)
Main processing material for steel construction, container construction, tank construction and welded assemblies.
Aluminium
Used, among other things, for bearing seats with a structural-steel-equivalent strength profile; approved in accordance with CEN ISO/TR 15608 groups 22/23.
Stainless steel
Used for containers, tanks and pipework; approved in accordance with CEN ISO/TR 15608 group 8.1.
Welding processes (141, 131, 135)
Certified joining processes for pressure vessels, pipework and defence products.
Brazing / flame brazing
Additional joining process within the certified process spectrum.
Locations

Hann. Münden (Hedemünden)
DEHeadquarters and production
- Lot size
- 1–1000 pieces (CNC)
- Materials
- Steel, aluminium, stainless steel
- CNC-controlled lathe
- CNC-controlled milling machine
Components


Inside the production


Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Turning (CNC turned parts)Machining | – | – | – | 1 – 1000 | Steel, Aluminium, Stainless steel |
| Milling (CNC milled parts)Machining | – | – | – | 1 – 1000 | Steel, Aluminium, Stainless steel |
| CNC machiningMachining | – | – | – | 1 – 1000 | Steel, Aluminium, Stainless steel |
| TIG welding (141)Joining | – | – | – | – | Steel, Stainless steel |
| MIG welding (131)Joining | – | – | – | – | Steel, Aluminium, Stainless steel |
| MAG welding (135)Joining | – | – | – | – | Steel |
| Brazing / flame brazing (912)Joining | – | – | – | – | – |
| Welded assemblies (ready to install)Joining | – | – | – | – | Steel, Aluminium, Stainless steel |
| Container constructionJoining | – | – | – | – | Steel, Aluminium, Stainless steel |
| Tank constructionJoining | – | – | – | – | Steel, Stainless steel |
| Pipework constructionJoining | – | – | – | – | Steel, Stainless steel |
| Steel construction (robot cells, laser-cut individual parts, mechanical post-processing)Joining | – | – | – | – | Steel |
| Plant engineering (e.g. emulsion tank)Assembly | – | – | – | – | Steel, Stainless steel |
| Refurbishment / silo and tank truck repairs incl. structural and pressure testing (TÜV)Assembly | – | – | – | – | Steel, Stainless steel |
| Prototype constructionEngineering | – | – | – | 1 | Steel, Aluminium, Stainless steel |
| Design engineering and complete production of customer assembliesEngineering | – | – | – | – | Steel, Aluminium, Stainless steel |
| Production of pressure vessels and pressure vessel parts (certified according to DIN EN ISO 3834-2,Joining | – | – | – | – | Steel, Stainless steel |
2 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| CNC-controlled lathe | – | – | – | – | Hann. Münden |
| CNC-controlled milling machine | – | – | – | – | Hann. Münden |
Additional services
Quality
The company is certified as a welding shop for pressure vessels and pressure vessel parts in accordance with DIN EN ISO 3834-2 and AD 2000-Merkblatt HP0. Repairs to silos and tank trucks are completed with subsequent structural and pressure testing by TÜV.
| Evidence | Hann. Münden (Hedemünden) |
|---|---|
| DIN EN ISO 9001:2015 | |
| DIN EN ISO 3834-2 / AD 2000 HP0 | |
| DIN 2303 Q2 BK2 (defence-related) | |
| Directive 2014/68/EU Annex I No. 3.1 |
History
- 2009
Foundation of the company J. Bußmann & A. Drotleff GbR in March 2009
- 2013
First approval of the management system in accordance with ISO 9001 (QAS International)
- 2023
Certification in accordance with DIN EN ISO 9001:2015 by TÜV Hessen (valid until 2026) and renewal of the DIN 2303 manufacturer qualification by TÜV NORD