
Repair of electric motors, servo and main spindle drives with in-house winding shop, machining and test bench technology.

Klaus Stifter Elektromotoren GmbH
WaiblingenNew on Amplifa
About Klaus Stifter Elektromotoren
Klaus Stifter Elektromotoren GmbH is an electrical machinery company based in Waiblingen, specialising in the repair of electric motors. Its range of services includes servo technology (axis motors, main spindle drives, DC servo), the overhaul of three-phase and DC motors (including DM, WS and GS motors, pumps, elevator and crane motors, frequency converters and fans), an in-house winding shop for motors and armatures, and machining of shafts and bearing brackets including special custom fabrication. In addition, balancing and vibration measurement, spare parts and replacement motors as well as test field technology are offered. The company was founded in December 1997 in Waiblingen-Hohenacker; since 2004 it has occupied its own company building at Lange Äcker 1, which was expanded by 50% in 2023. For quality testing, the company maintains several motor test benches, including a test bench for servo and main spindle drives and a load test bench up to approx. 800 Nm.
- Site
- Waiblingen
- Processes
- Servo technology – reworking and repair of servo and main spindle drives (axis motors,, Repair of three-phase and DC motors (DM, WS, GS motors, pumps, elevator motors,, Machining – shafts and bearing brackets, special custom fabrications, Winding shop for motors and armatures – repair and fabrication of windings (three-phase, AC,, Balancing and vibration measurement, Test bench technology – motor testing on in-house test benches, load test bench up to approx. 800 Nm, Spare parts and replacement motors / test field technology test bench construction, Servo technology: reworking and repair of servo and main spindle drives (axis motors,
- Materials
- Copper (windings, indirectly derived from winding shop), Copper (windings)
- Certificates
- Internal quality standards, Test bench testing before delivery, ISO 9001
- Founded
- 1997
- Employees
- 5-9
- Industries
- Electrical machine construction / drive and servo technology, Machine tool construction, General electric motor maintenance, Machine tool construction (servo and main spindle drives)
- 01
Diagnosis and free cost estimate
- 02
Disassembly and inspection
- 03
Winding shop
- 04
Machining
- 05
Assembly
- 06
Balancing and vibration measurement
- 07
Test bench testing
- 08
Delivery or delivery service
Materials and Processes
Copper (windings)
Material for the repair and fabrication of windings for three-phase, AC and DC motors as well as brake and magnet coils.
Locations

Waiblingen
DEHeadquarters, workshop, production and warehouse
- Materials
- Copper (windings)
- Motor test bench for servo and main spindle drives
- Load test bench up to approx. 800 Nm
- Two further motor test benches
- Electronic inventory system
- Test room
Components and Services







Inside the production









Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Servo technology – reworking and repair of servo and main spindle drives (axis motors,Assembly | – | – | – | – | – |
| Repair of three-phase and DC motors (DM, WS, GS motors, pumps, elevator motors,Assembly | – | – | – | – | – |
| Machining – shafts and bearing brackets, special custom fabricationsMachining | – | – | – | – | – |
| Winding shop for motors and armatures – repair and fabrication of windings (three-phase, AC,Assembly | – | – | – | – | Copper |
| Balancing and vibration measurementTesting | – | – | – | – | – |
| Test bench technology – motor testing on in-house test benches, load test bench up to approx. 800 NmTesting | – | – | – | – | – |
| Spare parts and replacement motors / test field technology test bench constructionEngineering | – | – | – | – | – |
4 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Motor test bench (servo and main spindle drives) | – | 1 | – | 2020 | Waiblingen |
| Load test bench | – | – | Load capacity up to approx. 800 Nm | 2022 | Waiblingen |
| Motor test benches | – | 2 | – | – | Waiblingen |
| Test bench (test bench capacity in kW, value loaded dynamically, not verified) | – | – | – | – | Waiblingen |
Additional services
Quality
Quality assurance includes regular material inspections, systematic continuous improvement of work processes, and in-house test bench technology. Every motor is tested on the company's own test benches before delivery; balancing and vibration measurement are an integral part of the service offering.
| Evidence | Waiblingen |
|---|---|
| Internal quality standards | |
| Test bench testing before delivery | |
| ISO 9001 |
History
- 1997
Company founded by Susanne and Klaus Stifter in Waiblingen-Hohenacker (December 1997)
- 1998
First employee – the craft business becomes a team
- 2000
Klaus Stifter becomes sole owner, three more employees; first apprentice – the company becomes a training company
- 2004
Move to the company's own building, Lange Äcker 1, Waiblingen
- 2004-2017
Additional workstations, electronic inventory system, new machines
- 2018
Conversion into Klaus Stifter Elektromotoren GmbH; registered HRB 765452, Local Court Stuttgart; two further motor test benches
- 2019
Pascal Weller becomes 3rd national champion
- 2020
Commissioning of test bench for servo and main spindle drives (own work); own bee colony
- 2022
25 years of Stifter Elektromotoren; load test bench completed (up to approx. 800 Nm); donations to the Stuttgart children's hospice
- 2023
Expansion of production and warehouse by 50%; new test room
- 2024
Company outing to Schwäbisch Hall
- 2025
Company succession: Michael Maier takes over the management