KR Series
Helical bevel gear reducers for band saws
The KR series gearboxes are specifically designed for industrial band saw applications. With their reinforced output shaft housing to withstand high radial loads, these gearboxes offer exceptional reliability in the most demanding cutting environments.
Couple nominal : 140 - 15.000 Nm
Motor power: 0.12 - 90 kW
Output speed: 10 - 227 rpm
Configurations: 10 different sizes
Main features
- Reinforced output flange with double-row bearings for exceptional rigidity
- Special high-performance sealing system to prevent cutting oil penetration
- Ribbed output shafts for optimal torque transmission
- Ground bevel gear stage for quiet operation and increased precision
- Casing specially designed to withstand high radial loads
- Forced output shaft bearings for extended service life
- Flange and output shaft dimensions are available as options depending on requirements.
Product range
Our KR series includes 10 different sizes covering a wide torque range from 140 to 15,000 Nm, specially optimized for industrial band saw applications and cutting machines.
Detailed technical data
| Setting | Value | Unit |
|---|---|---|
| Couple nominal | 140 - 15.000 | Nm |
| Engine power | 0,12 - 90 | kW |
| Output speed | 10 - 227 | rpm |
| Reduction ratio | 6 - 15.619 | - |
| Degree of protection | IP55, IP65 | - |
| Serving temperature | -10°C to +80°C | °C |
| Typical yield | 94 - 96% | - |
Size chart
| Reduced size | Report range [i] | Couple nominal [Nm] | Shaft diameter/length [mm] |
|---|---|---|---|
| K10 | 6 - 129 | 140 | Ø30/60 |
| K17 | 7 - 109 | 200 | Ø30/60 |
| K20 | 6 - 139 | 280 | Ø35/70 |
| K27 | 7 - 1.759 | 450 | Ø35/60 |
| K28 | 6 - 3.333 | 600 | Ø40/80 |
| K37 | 6 - 3.467 | 820 | Ø40/80 |
| K47 | 6 - 5.227 | 1.550 | Ø50/100 |
| K57 | 7 - 6.612 | 2.700 | Ø60/120 |
| K68 | 8 - 12.681 | 4.300 | Ø70/140 |
| K77 | 7 - 15.619 | 8.000 | Ø90/170 |
| K87 | 10 - 12.780 | 15.000 | Ø110/210 |
Technical advantages
| Characteristic | Profit |
|---|---|
| Reinforced outlet flange | Exceptional rigidity and ability to withstand high radial loads |
| Special sealing system | Optimal protection against the penetration of cutting oil and contaminants |
| Ground bevel gears | Significant noise reduction and increased accuracy |
| Forced bearings | Extended lifespan and reduced maintenance |
| Veined trees | Optimal torque transmission and shock resistance |
Available options
- Different outlet flange configurations
- Output shafts with special dimensions
- Integrated cooling systems
- Speed and position sensors
- Anti-corrosion coatings for humid environments
- Compact geared motors with integrated motor
Areas of application
The KR series gearboxes are specifically designed for band saw and cutting machine applications:
- Industrial band saws - Metal cutting machines, chainsaws
- Cutting machines - Circular saws, profile cutting machines
- Woodworking industry - Band saws for wood, processing machines
- Metal fabrication - Production lines, machine tools
- Recycling - Cutting machines for recycled materials
Competitive advantages
Exceptional reliability
Specifically designed for demanding cutting environments with reinforced components and high-performance sealing systems ensuring extended service life even under the most severe conditions.
Cutting precision
The ground bevel gear technology ensures precise and stable power transmission, essential for clean and consistent cuts on all types of materials.
Technical versatility
With 10 sizes covering torques from 140 to 15,000 Nm and reduction ratios from 6 to 15.619, the KR series fits most industrial band saw applications.
Entry type
KR Series
With direct coupled motor
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