Machine requirements
For machines that use ER32 tooling and water cooling. Check that your drive supports 12,000–24,000 rpm and that the mounting dimensions fit: Ø125 mm · 404.5 mm overall · 190 mm clamp.
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GDK SPINDLE · MANUAL
GDK125-12-24Z/7.5
A 125 mm water-cooled ER32 configuration with 7.5 kW rated output and a 12,000–24,000 rpm range. Check the drive curve over 400–800 Hz.
7.5 kW ratedER32Water-cooled12,000–24,000 rpm
MODEL SELECTION
Is this spindle right for your machine?
Check before ordering
The drawing lists 190 mm clamping length, 404.5 mm overall length and 30 kg weight. Plan the support and cooling arrangement around that assembly.
Compare alternatives
GDK125-30Z/7.5 has a different rated speed and frequency; GDK125-9-15Z/5.5-11 serves a different operating range.
Compare the differences →SPECIFICATIONS
Read the operating conditions.
This water-cooled spindle uses ER32 tooling. Power: 7.5 kW rated. Speed: 12,000–24,000 rpm. Installation dimensions and weight: 125 mm body diameter, 190 mm clamping length, 404.5 mm overall length, 30 kg weight.
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| Output and duty | |
|---|---|
| Rated power (kW) | 7.5 |
| Operating range (rpm) | 12,000–24,000 |
| Tooling and mounting | |
| Tool interface | ER32 |
| Tool change | Manual tool change |
| Electrical | |
| Rated current (A) | 15 |
| Frequency range (Hz) | 400–800 |
| Curve voltage endpoints (V) | 380–380 |
| Dimensions and weight | |
| Body diameter (mm) | 125 |
| Overall length (mm) | 404.5 |
| Clamping length (mm) | 190 |
| Weight (kg) | 30 |
| Cooling and feedback | |
| Cooling | Water-cooled |
INSTALLATION CHECKS
Match the whole assembly.
Start with the exact GDK125-12-24Z/7.5 configuration. Compare the mounting drawing, nose clearance and connection locations with the existing installation. Check the collet, nut clearance and usable clamp area before reusing tooling or supports.
- Check the water circuit and the connector details shown in the drawing.
- Ask for the voltage and current of the supplied spindle before choosing the drive. Do not use another model’s electrical ratings.
COMPARE RELATED SPINDLES
Compare the installation differences.
These models illustrate different interfaces and installation requirements. Check each drawing before choosing.
Scroll across to compare columns. Keyboard: focus the table area and use the left/right arrow keys.
| Model | Power / duty | Speed | Interface | Cooling | Key difference |
|---|---|---|---|---|---|
| GDK125-12-24Z/7.5Current configuration | 7.5 kW rated | 12,000–24,000 rpm | ER32 | Water-cooled | Ø125 mm · 404.5 mm overall · 190 mm clamp |
| GDK125-30Z/7.5 | 7.5 kW rated | 30,000 rpm rated | ER32 | Water-cooled | Ø125 mm · 150 mm clamp |
| GDK125-9-15Z/5.5-11 | 5.5 kW rated | 9,000–15,000 rpm | ER32 | Water-cooled | Ø125 mm · 405 mm overall · 190 mm clamp |
| GDK100-12-24Z/2.2-4.4 | 2.2 kW rated | 12,000–24,000 rpm | ER20 | Water-cooled | Ø100 mm · 295 mm overall · 140 mm clamp |
| GDK100-24Z/3.2 | 3.2 kW rated | 24,000 rpm rated | ER20 | Water-cooled | Ø100 mm · 295 mm overall · 140 mm clamp |
DOWNLOADS
Files for this configuration.
No standalone PDF is listed for this configuration. Use the full-size drawing above and include any document requirements in your inquiry.
For CAD or additional installation drawings, include the exact model and configuration in your inquiry.
MODEL QUESTIONS
Before you order.
What tooling and mounting does GDK125-12-24Z/7.5 need?
This configuration combines ER32 tooling, 12,000–24,000 rpm and Ø125 mm · 404.5 mm overall · 190 mm clamp. Keep the complete code when comparing drawings.
What should I include in a replacement inquiry?
Include the existing nameplate, mounting dimensions, required ER32 tooling, drive details and cooling arrangement. GDK125-30Z/7.5 has a different rated speed and frequency; GDK125-9-15Z/5.5-11 serves a different operating range.
REQUEST A QUOTE
Tell us what your machine needs.
Share a model or describe what you need to match. Unknown technical details can be left blank.
Useful details to have ready
- Exact code and readable nameplate
- Mounting dimensions and available clearance
- Tool interface and required speed
- Drive output, cooling and ATC connections
Attach photographs or drawings in your email application.