CNC machining of precision parts and assemblies in aluminium and steel as well as repair and maintenance of electric motors and drive systems.
LORENZ Elektromotoren und CNC Fertigungstechnik GmbH
Sandhausen (DE) · Headquarters, production hall and workshopNew on Amplifa
About LORENZ Elektromotoren und CNC Fertigungstechnik
LORENZ Elektromotoren und CNC Fertigungstechnik GmbH is a family-owned company based in Sandhausen near Heidelberg. Founded in 1989 as an electric motor repair shop, the company is today a specialist in the repair of servo drive technology as well as in CNC manufacturing technology. Since 2012, precision parts and mechanical assemblies have been manufactured – from design and CAD-CAM implementation through prototypes to series production. Processes include CNC milling (including 5-axis and 5-axis simultaneous machining), CNC turning, conventional turning and milling, sawing, welding and assembly; surface treatment and heat treatment are carried out in cooperation with partners. Aluminium and steel are machined; with a travel of 850 x 700 x 500 mm (HERMLE C400) and a turning length of 1050 mm (DMG MORI ecoline 510), larger components are also manufactured. Customers come from industries such as mechanical engineering, robotics, aerospace engineering, medical and dental technology, mould making, nuclear power plant technology, automotive engineering as well as paper, food, chemicals and glass. Since 2014, the company has been operating in its own hall in Sandhausen built to modern energy standards with a solar installation. The company is an authorised repair shop for VEM, FLYGT and Fein.
- Site
- Sandhausen
- Processes
- CNC milling (incl. 5-axis/5-side machining, 5-axis simultaneous milling), CNC turning, Conventional turning (manual lathes), Conventional milling, Sawing, Welding of assemblies, Assembly of assemblies and components, Surface treatment processes (e.g. coating, galvanising, hard coating/anodising, electroless nickel
- Materials
- Aluminium, Steel
- Certificates
- ISO 9001
- Founded
- 1989
- Employees
- 14
- Industries
- Paper and pulp, Food industry, Chemical industry, Automotive industry, Pump technology, Metal industry
- 01
Design and planning (CAD-CAM)
- 02
Sawing
- 03
CNC milling (5-axis/5-side, simultaneous milling)
- 04
CNC turning / conventional turning and milling
- 05
Welding of assemblies
- 06
Surface treatment and heat treatment (partner)
- 07
Assembly of assemblies and components
Materials and processes
Aluminium
Main material of CNC manufacturing, e.g. for assembly components, guide rails and motor covers; also hard-coated or hard-anodised.
Steel
For precision parts produced by milling and turning, also chemically nickel-plated, as well as for drive technology components.
Locations
Sandhausen
DEHeadquarters, production hall and workshop
- Lot size
- Prototype to series production
- Materials
- Aluminium, steel
- HERMLE C400 5-axis/5-side machining centre (travel 850 x 700 x 500 mm)
- DMG MORI ecoline 510 CNC lathe (Z 1050 mm, X 300 mm, bar passage 90 mm)
- Manual lathes
- Machining centre (expansion 2023)
Manufactured components
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| CNC milling (incl. 5-axis/5-side machining, 5-axis simultaneous milling)Machining | – | 850 mm (X travel HERMLE C400) × 500 mm (Z travel HERMLE C400) | – | Prototype to series production | Aluminium, Steel |
| CNC turningMachining | – | 1050 mm (Z-axis travel DMG MORI × 300 mm (X-axis travel DMG MORI | Bar passage 90 mm | – | Aluminium, Steel |
| Conventional turning (manual lathes)Machining | – | – | – | – | – |
| Conventional millingMachining | – | – | – | – | – |
| SawingMachining | – | – | – | – | – |
| Welding of assembliesJoining | – | – | – | – | – |
| Assembly of assemblies and componentsAssembly | – | – | – | – | – |
| Surface treatment processes (e.g. coating, galvanising, hard coating/anodising, electroless nickelSurface | – | – | – | – | Aluminium, Steel |
| Heat treatment (e.g. hardening) in cooperation with partnersHeat treatment | – | – | – | – | – |
| Design and planning, CAD-CAM implementation (prototype to series)Engineering | – | – | – | – | – |
| Repair and maintenance of electrical and mechanical drive systems (servo drive technology,Testing | – | – | – | – | – |
| Diagnostic inspection (electrical and mechanical) and control inspection of repairsTesting | – | – | – | – | – |
| On-site removal and installation of motors, inspection and on-site maintenanceAssembly | – | – | – | – | – |
| Consulting and sizing for the purchase of new electric drives, generators and pumpsEngineering | – | – | – | – | – |
| Custom-made parts produced on CNC machinesMachining | – | – | – | – | – |
4 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| 5-axis/5-side machining centre | HERMLE C400 | – | Travel: 850 x 700 x 500 mm | – | Sandhausen |
| Lathe (CNC) | DMG MORI ecoline 510 | – | Z-axis travel: 1050 mm, X-axis travel: 300 mm, bar passage: 90 mm | – | Sandhausen |
| Manual lathe | – | – | – | – | Sandhausen |
| Machining centre (CNC) | – | – | – | 2023 (Erwe | Sandhausen |
Additional services
Reference customers
Quality
Repairs undergo a comprehensive electrical and mechanical diagnostic inspection as well as a final control inspection. The company has been certified to DIN EN ISO 9001 since 2013 and offers 24/7 service.
| Evidence | Sandhausen |
|---|---|
| ISO 9001 |
History
- 1989
Franz-Josef Lorenz, master electrician in electrical machine engineering, founds Lorenz Elektromotoren as a sole proprietorship in Heidelberg-Kirchheim.
- 1993
Move into the company's own business premises; several employees are hired.
- 1994
Repair offering is expanded to include servo motors (three-phase, DC, gear, fan, pump and AC motors).
- 2011
Renaming to LORENZ Elektromotoren und CNC Fertigungstechnik GmbH; Eduard Lorenz joins as authorised officer and head of manufacturing technology.
- 2012
Machining technology is introduced as a new division with conventional and CNC-controlled turning and milling machines.
- 2013
Certification to DIN EN ISO 9001 completed.
- 2014
Land acquisition and construction of the new production hall in Sandhausen (Gottlieb-Daimler-Str.); relocation; modern energy standards and solar installation.
- 2018
Marco Schwarz completes his master craftsman training and takes over management of the electrical machine engineering department.
- 2023
Expansion of the CNC area with an additional machining centre.
- 2024
Business succession arranged; Franz-Josef Lorenz leaves the company and retires.
- 2025
Eduard Lorenz and Marco Schwarz take over the company as managing partners.