
Manufacturer of heavy-duty machine tools as well as roll grinding and roll turning machines for the global metal and rolling mill industry

HerkulesGroup Services GmbH (Maschinenfabrik Herkules / WaldrichSiegen)
Siegen · Meuselwitz · Sonthofen · Weikersdorf (AT) · Ford City, PA (USA) · Kolkata (IND) · Jiaxing (CN)New on Amplifa
About HerkulesGroup
HerkulesGroup, headquartered in Siegen, is a family-owned machine building group with more than 1,447 employees worldwide. The group comprises Maschinenfabrik Herkules (roll grinding and roll turning machines), WaldrichSiegen (heavy-duty machine tools for turning, milling, grinding, boring and texturing), RSGetriebe in Sonthofen (drive solutions and gearboxes) and SBA mechatronics in Weikersdorf (modernization of industrial plants). Large-scale machine tools are manufactured, such as portal milling machines (ProfiMill, ProfiMill evo), vertical turning machines (ProfiTurn V), boring mills (Union) as well as drive components and gearboxes for mechanical engineering, rolling mill technology, the chemical industry, extrusion and test bench systems. Production is characterized by a high degree of vertical integration: central components are produced within the group, among other things in the new large-machine hall in Siegen and at the Meuselwitz production site. Own service and sales subsidiaries in the USA, India and China serve the main markets worldwide.
- Site
- Siegen
- Processes
- Roll grinding, Heavy-duty machine tools: turning, milling, grinding, boring, texturing, Roll turning, Manufacture of gearboxes and drive components (Customized Drive Solutions), Modernization of machine tools and industrial plants, Control cabinet construction and modernization of industrial plants, Foundry products (castings) – supply of cast components in accordance with terms and conditions, Modernization
- Materials
- Castings, Steel / Machine Building Components
- Founded
- 1911
- Employees
- 1447
- Industries
- Rolling mill technology / metal industry, Mechanical engineering, Chemical industry, Extrusion, Test bench systems
- 01
Engineering & Design
- 02
Parts Manufacturing (Machining, Cast Components)
- 03
Gearbox and Drive Manufacturing (RSGetriebe)
- 04
Machine Assembly
- 05
Metrology & Commissioning
- 06
Modernization & After-Sales Service
Materials & Processes
Castings
Procurement and use of cast components for machine beds and structural parts in accordance with group terms and conditions.
Steel / Machine Building Components
Material basis for machine structures, gearbox components and drive elements.
Locations

Siegen
DEHeadquarters; WaldrichSiegen, Herkules, HerkulesGroup Services
- ProfiMill portal milling machines
- ProfiTurn V vertical turning machine
- ProfiMill evo
- XXL large-machine hall (from 2021)
Meuselwitz
DEProduction site of Maschinenfabrik Herkules (roll grinding machines)
- Materials
- Guss
- Union boring mills (new production hall 2020)

Sonthofen
DEDrive technology (RSGetriebe)
- Gearbox manufacturing

Weikersdorf (AT)
ATModernization (SBA mechatronics GmbH)
- Control cabinet construction
- Plant modernization
Ford City, PA (USA)
USRoll grinding / Service North America
Kolkata (IND)
INService for the Indian market (DMI)
Jiaxing (CN)
CNService for the Chinese market (GMT/WRI)
Products & Components




Inside the production




Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Roll grindingMachining | – | – | – | – | Rolls |
| Heavy-duty machine tools: turning, milling, grinding, boring, texturingMachining | Flawless Surface Qualities | – | – | – | – |
| Roll turningMachining | – | – | – | – | Rolls |
| Manufacture of gearboxes and drive components (Customized Drive Solutions)Engineering | – | – | – | – | – |
| Modernization of machine tools and industrial plantsEngineering | – | – | – | – | – |
| Control cabinet construction and modernization of industrial plantsAssembly | – | – | – | – | – |
| Foundry products (castings) – supply of cast components in accordance with terms and conditionsCasting | – | – | – | – | – |
8 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Roll grinding machine (CNC) | Maschinenfabrik Herkules WS 1100 | 1 | – | 1983 | Gontermann-Peipers |
| Roll turning machine (largest roll turning machine in the world at the time of construction) | Maschinenfabrik Herkules HDK 1500 | 1 | – | 1975 | Gontermann-Peipers roll foundry |
| Lathe | Maschinenfabrik Herkules HWD 850 | 1 | – | 1960 | – |
| Portal milling machine | WaldrichSiegen ProfiMill | – | – | 2009 | Siegen |
| Portal milling machine | WaldrichSiegen ProfiMill evo | – | – | 2025 | – |
| Vertical turning machine | WaldrichSiegen ProfiTurn V | – | – | 2013 | – |
| Boring mill (Union Boring Mill, produced in Meuselwitz) | Maschinenfabrik Herkules Union | – | – | 2020 | Meuselwitz |
| C-Frame measuring system | HerkulesGroup C-Frame | – | – | – | – |
Additional services
Reference customers
History
- 1840
Founding of WaldrichSiegen by Heinrich Adolf Waldrich
- 1911
May 11: Franz Thoma founds Maschinenfabrik Herkules together with Alfred Schütte
- 1945
Hans Thoma takes over the management
- 1960
First lathe HWD 850 built
- 1971
Ingersoll acquires WaldrichSiegen
- 1975
Largest rolling bearing device HDK 1500 for Gontermann-Peipers
- 1978
Christoph Thoma becomes Managing Director
- 1983
WS 1100, the largest CNC roll grinding machine until 2010, delivered to Gontermann-Peipers
- 2002
RS Antriebstechnik GmbH; relocation to Sonthofen in 2007
- 2004
Christoph Thoma buys WaldrichSiegen at auction
- 2009
Development of the ProfiMill portal milling machine
- 2011
100th company anniversary
- 2012
RSGetriebe becomes part of HerkulesGroup
- 2013
Presentation of the ProfiTurn V vertical turning machine
- 2014
SBA mechatronics GmbH becomes part of HerkulesGroup
- 2020
New hall in Meuselwitz completed; Maximilian Thoma takes over the management in December
- 2021
WaldrichSiegen moves back from Burbach to Siegen
- 2025
Launch of the ProfiMill evo portal milling machine