
Supplier for CNC turning and milling, including surface and heat treatment

Siegl & Linne Fertigungstechnik GmbH
Ludwig-Löwe-Straße 9, 37308 Heilbad HeiligenstadtNew on Amplifa
About us
Siegl & Linne Fertigungstechnik GmbH is a mechanical engineering company from Heilbad Heiligenstadt in Thuringia specializing in precision manufacturing. Its range of services includes CNC turning and CNC milling using the entire spectrum of materials: from plastics and aluminum, non-ferrous metals, and steel of all types to stainless steel and nickel-based alloys. The work can be carried out including surface and heat treatment. The entire production is subject to constant quality control. The machine park includes over 18 machines and is continuously expanding according to company statements. The quality management system is certified according to ISO 9001:2015 by DEKRA Certification GmbH.
- Site
- Heilbad Heiligenstadt
- Processes
- CNC Turning, CNC Milling, Surface Treatment (including possible), Heat Treatment (including possible), Quality Control of Production, Surface Treatment, Heat Treatment, Quality Control/Inspection
- Materials
- Plastics, Aluminum, Non-ferrous metals, Steel (all types), Stainless steel, Nickel-based alloys, Stainless Steel
- Certificates
- ISO 9001:2015, ISO 9001
- 01
CNC Turning
- 02
CNC Milling
- 03
Surface Treatment
- 04
Heat Treatment
- 05
Quality Control
Materials & Processes
Aluminum
Machining of aluminum components on CNC turning and milling machines.
Steel (all types)
Machining of all steel types for various applications.
Stainless Steel
CNC machining of stainless steel, also possible with subsequent surface treatment.
Nickel-based alloys
Machining of demanding nickel-based alloys for high material requirements.
Non-ferrous metals
Machining of all types of non-ferrous metals, e.g., brass and copper.
Plastics
Machining of technical plastics as an alternative to metal components.
Location
Heilbad Heiligenstadt
DEProduction and administration
- Materials
- Plastics, Aluminum, Non-ferrous metals, Steel, Stainless steel, Nickel-based alloys
- CNC Machines (Turning and Milling)
- Machine park with over 18 machines
Inside the production

Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| CNC TurningMachining | – | – | – | – | Plastics, Aluminum, Non-ferrous metals, Steel, Stainless steel, Nickel-based alloys |
| CNC MillingMachining | – | – | – | – | Plastics, Aluminum, Non-ferrous metals, Steel, Stainless steel, Nickel-based alloys |
| Surface Treatment (including possible)Surface | – | – | – | – | – |
| Heat Treatment (including possible)Heat Treatment | – | – | – | – | – |
| Quality Control of ProductionInspection | – | – | – | – | – |
1 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| CNC Machines (Turning and Milling, machine park with over 18 machines) | – | 18 | – | – | Ludwig-Löwe-Straße 9, 37308 Heilbad Heiligenstadt |
Additional services
Quality
The entire production is subject to constant quality control. The quality management system for CNC turning and milling is certified according to ISO 9001:2015.
| Evidence | Heilbad Heiligenstadt |
|---|---|
| ISO 9001 |