Attributes
| Order Code | ELGA-BS-KF-120- - |
|---|
Description
Powerful, dynamic – and protected: With its precision, durability and dynamism, the ball screw axis ELGA-BS makes positioning in challenging conditions incredibly efficient at strokes of up to 3000 mm. Its actuator is protected by a sturdy cover strip.
• Internal, precision ball bearing guide with high load capacity for high torque loads
• Axis for high repeat accuracy
• For the highest requirements in terms of feed force and accuracy
• Guide and ball screw drive protected by cover strip
• Speeds up to 2 m/s with high acceleration up to 15 m/s²
• Space-saving position sensing
• Flexible motor mounting
• 34 preconfigured types and modular product system for custom variants
• Strokes up to 3 m possible
• Fits perfectly into our holistic product portfolio of electromechanical actuators, motors, drive controllers and control systems
Specifications
| Working stroke | 50, 2460 mm |
|---|---|
| Size | 120 |
| Screw diameter | 25 mm |
| Mounting position | Any |
| Guide | Recirculating ball bearing |
| Structural design | Electromechanical linear axis, With ball screw |
| Motor type | Stepper motor, Servo motor |
| Spindle type | Ball screw |
| Symbol | 00991211 |
| Measuring principle of linear potentiometer | Incremental |
| Max. acceleration | 15 m/s² |
| Max. rotational speed | 3600 1/min |
| Max. speed | 0.6, 1.5 m/s |
| Repetition accuracy | ±0.02 mm |
| Duty cycle | 100% |
| LABS (PWIS) conformity | VDMA24364 Zone III |
| Degree of protection | IP40 |
| Ambient temperature | -10, 60 °C |
| 2nd moment of area Iy | 1240000 mm⁴ |
| 2nd moment of area Iz | 3800000 mm⁴ |
| No-load torque at maximum travel speed | 1.33, 1.64 Nm |
| No-load torque at minimum travel speed | 1 Nm |
| Max. force Fy | 5500 N |
| Max. force Fz | 6890 N |
| Max. force Fy total axis | 5500 N |
| Max. force Fz total axis | 6890 N |
| Fy with theoretical service life of 100 km (from a guide perspective only) | 20240 N |
| Fz with theoretical service life of 100 km (from a guide perspective only) | 25355 N |
| Max. torque Mx | 104 Nm |
| Max. torque My | 680 Nm |
| Max. torque Mz | 680 Nm |
| Max. moment Mx total axis | 104 Nm |
| Max. moment My total axis | 680 Nm |
| Max. moment Mz total axis | 680 Nm |
| Mx with theoretical service life of 100 km (from a guide perspective only) | 383 Nm |
| My with theoretical service life of 100 km (from a guide perspective only) | 2502 Nm |
| Mz with theoretical service life of 100 km (from a guide perspective only) | 2502 Nm |
| Distance between slide surface and guide center | 87 mm |
| Max. radial force on actuator shaft | 500 N |
| Max. feed force Fx | 3400 N |
| Torsion moment of inertia It | 247000 mm⁴ |
| Mass moment of inertia JH per meter of stroke | 2.756 kgcm² |
| Feed constant | 10, 25 mm/U |
| Reference service life | 5000 km |
| Moving mass | 4459 g |
| Additional slide weight | 3600 g |
| Basic weight with 0 mm stroke | 10500 g |
| Additional weight per 10 mm stroke | 101 g |
| Dynamic deflection (load moved) | 0.05% of axis length, maximum 0.5 mm |
| Static deflection (load at standstill) | 0.1 % of axis length |
| Material of end caps | Wrought aluminum alloy, Anodized |
| Profile material | Wrought aluminum alloy, Anodized |
| Note on materials | RoHS compliant |
| Cover strip material | Stainless strip steel |
| Drive cover material | Wrought aluminum alloy, Anodized |
| Slide carriage material | Steel |
| Guide rail material | Steel |
| Slide material | Wrought aluminum alloy, Anodized |
| Ball screw nut material | Steel |
| Spindle material | Steel |