Best fit
For a ER20 installation with air-cooled and 18,000 rpm rated. Mounting requirements: Base Mount · 258.5 mm overall. Compare these dimensions with the machine before choosing.

GDF SPINDLE · MANUAL
Base Mount
A bolted-base option at 1.5 kW and 18,000 rpm. Check the base footprint before choosing it for a machine that has no cylindrical clamp.
QUICK DECISION
For a ER20 installation with air-cooled and 18,000 rpm rated. Mounting requirements: Base Mount · 258.5 mm overall. Compare these dimensions with the machine before choosing.
The 258.5 mm overall length differs from the 2.2 kW base version. Neither power nor the GDF46 family name establishes a shared installation envelope.
Compare the 2.2 kW base model if more rated output is needed; compare the housing-mount model only when the mounting arrangement can change.
Compare the differences →SPECIFICATIONS
The documented configuration uses ER20 tooling and air-cooled. Output: 1.5 kW rated. Operating speed: 18,000 rpm rated. The drawing lists 258.5 mm overall length, 6 kg weight. Documented winding configurations are 220 V / 5.6 A or 380 V / 3 A.
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| Output and duty | |
|---|---|
| Rated power (kW) | 1.5 |
| Rated speed (rpm) | 18,000 |
| Tooling and mounting | |
| Tool interface | ER20 |
| Tool change | Manual tool change |
| Mounting | base mount |
| Electrical | |
| Frequency (Hz) | 300 |
| Dimensions and weight | |
| Overall length (mm) | 258.5 |
| Weight (kg) | 6 |
| Cooling and feedback | |
| Cooling | Air-cooled |
Voltage and current stay paired within the selected winding.
INSTALLATION CHECKS
Start with the exact GDF46-18Z/1.5 configuration (base mount). 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.

COMPARE RELATED SPINDLES
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 |
|---|---|---|---|---|---|
| GDF46-18Z/1.5Current configuration | 1.5 kW rated | 18,000 rpm rated | ER20 | Air-cooled | Base Mount · 258.5 mm overall |
| GDF46-18Z/2.2 | 2.2 kW rated | 18,000 rpm rated | ER20 | Air-cooled | Base mount · 288.5 mm overall |
| GDF46-18Z/2.2 | 2.2 kW rated | 18,000 rpm rated | ER20 | Air-cooled | Housing Mount · 288.5 mm overall |
| GDF80-24Z/2.2B | 2.2 kW rated | 24,000 rpm rated | ER20 | Air-cooled | Ø80 mm · 269.5 mm overall · 125 mm clamp |
| GDF65-24Z/0.8 | 0.8 kW rated | 24,000 rpm rated | ER11 | Air-cooled | Ø65 mm · 245 mm overall |
DOWNLOADS
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
This configuration combines ER20 tooling, 18,000 rpm rated and Base Mount · 258.5 mm overall. Keep the complete code and base mount when comparing drawings.
Include the existing nameplate, mounting dimensions, required ER20 tooling, drive details and cooling arrangement. Compare the 2.2 kW base model if more rated output is needed; compare the housing-mount model only when the mounting arrangement can change.
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