KE Series
Helical bevel gear reducers for extruders
The KE series gearboxes are specifically designed for small to medium capacity extrusion applications. With their conical-helical configuration and robust construction, they offer a reliable and efficient drive solution for extruders in various industries.
Ratio range: 6 - 15.681
Rated torque: 450 - 20,000 Nm
Hollow shaft diameter: Ø25 - Ø90 mm
Configurations: 9 sizes available
Main features
- Conical-helical configuration with perpendicular input and output shafts
- 29400 series output bearings for exceptional radial load capacity
- Four different mounting positions for optimal installation flexibility
- Output shaft options with keyway or splines as required
- High-quality cast iron casing for maximum rigidity and durability
- Compact design for easy integration into extrusion systems
- Direct-coupled AC motor for efficient power transmission
Product range
Our KE series includes 9 different sizes covering a wide torque range from 450 to 20,000 Nm, specially designed for extrusion and plastics processing applications.
Detailed technical data
| Setting | Value | Unit |
|---|---|---|
| Nominal torque | 450 - 20,000 | Nm |
| Report range | 6 - 15,681 | - |
| Hollow shaft diameter | Ø25 - Ø90 | mm |
| Typical yield | 94-96% | - |
| Degree of protection | IP55, IP65 | - |
| Serving temperature | -10°C to +80°C | °C |
| Noise level | ≤ 70 dB(A) | - |
Size chart
| Reduced size | Report range [i] | Nominal torque [Nm] | Hollow shaft diameter [mm] |
|---|---|---|---|
| K.E27 | 7 - 1.759 | 450 | Ø25 |
| K.E28 | 6 - 3.333 | 600 | Ø30 |
| K.E37 | 6 - 3.467 | 820 | Ø35 |
| K.E47 | 6 - 5.227 | 1,550 | Ø40 |
| K.E57 | 7 - 6.612 | 2,700 | Ø50 |
| K.E67 | 8 - 12,681 | 4,300 | Ø60 |
| K.E77 | 7 - 15.619 | 8,000 | Ø70 |
| K.E87 | 10 - 12,789 | 15,000 | Ø80 |
| K.E97 | 12 - 15,681 | 20,000 | Ø90 |
Technical advantages
| Characteristic | Profit |
|---|---|
| Bevel-helical gears | Quiet and efficient power transmission with high efficiency |
| 29400 series bearings | Exceptional radial load capacity and extended service life |
| 4 mounting positions | Maximum installation flexibility in different environments |
| Hollow tree with multiple options | Easy adaptation to different types of extruders and drives |
| Direct coupling AC motor | Direct power transmission without additional losses |
Available options
- Temperature and vibration sensors
- Air or water cooling systems
- Special anti-corrosion coatings
- Integrated safety brakes
- High-precision position encoders
- Special lubrication for high temperatures
Areas of application
The KE series gearboxes are specifically designed for extrusion and plastics processing applications:
- Plastic extrusion - Single-screw extruders for PVC, PE, PP, PS
- Rubber processing - Extrusion lines for profiles and seals
- Food industry - Extruders for extruded food products
- Composite production - Extrusion lines for composite materials
- Recycling - Extruders for the regeneration of plastic materials
Competitive advantages
Precision and consistency
The conical-helical transmission ensures exceptional regularity of rotational speed, essential for the consistent quality of extruded products and the stability of the production process.
Compact and robust
Compact design with robust construction allows for easy integration into extrusion lines while ensuring operational reliability under continuous operating conditions.
Reduced maintenance
With high-quality bearings and an optimized lubrication system, KE gearboxes require minimal maintenance, reducing downtime and maintenance costs.
Entry type
KRE Series
Direct coupling to the engine
KNE Series
With IEC B5/B14 motor flange
KVE Series
With IEC B5/B14 motor mounted
KTE Series
With full entrance tree
Output type
KE0E Series
Extruder housing with hollow shaft
KE0EK Series
Extruder housing with grooved hollow shaft (DIN 5480)
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