Application Scenarios
On a CNC machining center’s tool changer mechanism, precise rotational positioning determines whether the correct tool engages the spindle within tolerance. A misstep of even a fraction of a degree can cause tool collision, damaging the spindle taper and scrapping the workpiece. The Bosch 8DOR 1070080680 addresses this challenge through its high-resolution microstepping and stable current control, ensuring the tool turret indexes to the exact commanded position every cycle. When the machine’s PLC commands a tool change via the drive’s RS-485 interface, the 8DOR 1070080680 executes the motion profile with minimal settling time, reducing non-productive tool-change intervals. In laser cutting systems, the same drive synchronizes the focusing head’s Z-axis with the cutting path, where position accuracy directly affects kerf width consistency and edge quality.
Parameter
| Main Parameters | Value/Description |
|---|---|
| Product Model | 8DOR 1070080680 |
| Manufacturer | Bosch / Bosch Rexroth |
| Product Category | Stepper Drive / Stepper Motor Controller |
| Operating Voltage | AC 220V / 230V AC (multiple sources cite 110V–230V range) |
| Output Power | 120W (also cited as 300W or 1.5kW across supplier listings) |
| Current Rating | 4.0 A (typical) |
| Stepping Resolution | 1.8° (200 steps/revolution) / 2500 PPR resolution variants cited |
| Max. Torque | Up to 15 Nm (depends on paired stepper motor) |
| Speed Range | 0.1 Hz to 4000 Hz (frequency-based control) |
| Communication Interface | RS-485 (Modbus RTU/TCP depending on configuration) |
| Operating Temperature | -10°C to +50°C / +60°C (varies by source) |
| Protection Class | IP20 (also cited as IP54 by some distributors) |
| Enclosure Type | Compact, cabinet-mount construction |
