
Retrofit, spindle service, CNC surface grinding and special machine construction for high-precision machine tools since 1947.

HDC Huttelmaier GmbH
73614 Schorndorf, Winterbacher Straße 66New on Amplifa
Retrofit specialist since 1947
Founded in 1947 and now run by the third generation of owners, HDC Huttelmaier GmbH is a specialist in machine overhauling and machine modernization of high-precision turning, milling and grinding machines. From its site in Schorndorf near Stuttgart, the company serves manufacturers in the metal industry across Europe and worldwide. Its range of services includes manufacturer-neutral retrofits covering more than 140 machine tool manufacturers, machine measurement to DIN standards, scraping, a spindle service for motor, grinding, turning and milling spindles, control system conversion, automation and machine data acquisition with an OPC-UA interface. In addition, the company offers CNC surface grinding as contract manufacturing – including guideways and machine beds up to 3,000 mm in length on a Waldrich machine – as well as new machine construction, special machine construction and the sale of machine tools, including its own KDSM-series ball turning and ball grinding machines for ball valves and ball taps.
- Site
- Schorndorf
- Processes
- CNC surface grinding (contract manufacturing), Guideway grinding, Machine bed grinding, Ball turning and ball grinding (ball machining for ball valves/ball taps), Retrofit of machine tools, Checking machine geometry / machine measurement, Scraping (scraping technique for highest geometry accuracy), Spindle service (repair of motor spindles, grinding spindles, turning spindles, milling spindles)
- Materials
- Metal
- Certificates
- ISO 9001
- Founded
- 1947
- Industries
- Metal industry/precision machining, Ball valves/ball taps, Tool and die making, Mechanical engineering, Metal industry/machining (manufacturing in the 1/100 to 1/1000 mm range), Tool and die making
- 01
Retrofit consulting and condition assessment
- 02
Machine measurement/geometry to DIN standards
- 03
Overhaul, scraping, spindle service
- 04
Control system conversion and modernization
- 05
Acceptance and project management
Processes and Materials
Metal
Materials for contract surface grinding of workpieces, guideways and machine beds.
Site

Schorndorf
DEHead office with workshop: retrofit, spindle service, surface grinding, special machine construction
- Lot size
- Special machines from 2 units
- Materials
- Metal
- Waldrich guideway grinding machine (workpieces up to 3,000 mm)
- KDSM ball turning and ball grinding machines (Ø 76–2,010 mm)
- Tube fiber laser cutting machine (tube length ≤ 6,300 mm)
- 2D fiber laser cutting machine (up to 8,050 × 2,530 mm, 1,500–40,000 W)
- 2-in-1 industrial laser (sheet metal and tube)
- Automatic 4-axis CPG400 grinding machine for chamfer and circumference grinding
Machines and Components


Inside the production







Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| CNC surface grinding (contract manufacturing)Cutting/Machining | – | 3,000 mm | – | – | Metal |
| Guideway grindingCutting/Machining | – | 3,000 mm | – | – | Metal |
| Machine bed grindingCutting/Machining | – | 3,000 mm | – | – | Metal |
| Ball turning and ball grinding (ball machining for ball valves/ball taps)Cutting/Machining | very tight circularity/roundness tolerances | – | – | – | Metal |
| Retrofit of machine toolsEngineering | 1/100 mm to 1/1000 mm range (customer production) | – | – | – | – |
| Checking machine geometry / machine measurementInspection | – | – | – | – | – |
| Scraping (scraping technique for highest geometry accuracy)Engineering | – | – | – | – | – |
| Spindle service (repair of motor spindles, grinding spindles, turning spindles, milling spindles)Engineering | – | – | – | – | – |
| Control system conversion / CNC control modernizationEngineering | – | – | – | – | – |
| Machine protective equipmentEngineering | – | – | – | – | – |
| Measuring probe retrofitting (turning/milling machines)Engineering | – | – | – | – | – |
| Machine tool automationEngineering | – | – | – | – | – |
| Machine data acquisition (MDA/PDA, OPC UA interface)Engineering | – | – | – | – | – |
| Special machine construction (machining machines, from 2 machines)Engineering | – | – | – | – | – |
| New construction of machine tools to customer requirementsEngineering | – | – | – | – | – |
| Repair and maintenance of machine toolsEngineering | – | – | – | – | – |
6 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Waldrich guideway grinding machine (surface grinding machine) | Waldrich | – | machine beds/workpieces up to 3,000 mm long | – | Schorndorf |
| KDSM-series ball grinding/turning machine (special machine construction) | HDC Huttelmaier KDSM | – | ball diameter 76 mm to 2,010 mm | – | Schorndorf |
| Tube laser cutting machine (3D tube fiber laser) | – | – | Round tube Ø 15-230 mm / 20-350 mm; square tube 15x15-230x230 mm / 20x20-350x350 mm; tube length | – | Schorndorf |
| Fiber laser cutting machine for sheet metal (2D) | – | – | 3,060×1,530 mm to 8,050×2,530 mm; power 1,500W-40,000W; positioning accuracy 0.03 mm | – | Schorndorf |
| 2-in-1 industrial laser (sheet metal and tube laser combined) | – | – | 3,050×1,530 mm / 4,050×2,030 mm / 6,050×1,530 mm; power 1,500W-40,000W; positioning accuracy | – | Schorndorf |
| Automatic 4-axis grinding machine for chamfer and circumference grinding | – | – | – | – | Schorndorf |
Additional services
Quality
Work is carried out in accordance with DIN specifications for machine geometry so that customers can manufacture in the 1/100 mm to 1/1000 mm range; the company is ISO 9001 certified.
| Evidence | Schorndorf |
|---|---|
| ISO 9001 |
History
- 1947
Founding of HDC Huttelmaier; today owner-managed in the third generation
Built up retrofit experience with more than 140 machine tool manufacturers