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Application Scenarios
In a CNC milling machine’s tool changer arm, this servo motor provides the precise rotary motion to index the carousel. It receives torque commands from the Indramat drive, rapidly accelerating and decelerating to position each tool holder accurately under varying load inertia, ensuring repeatable tool changes without misalignment.
Parameter
| Main Parameters | Value/Description |
|---|---|
| Manufacturer / Brand | Bosch Rexroth (原 Indramat) |
| Full Part Number | 090A-0-RD-2-C / 110-B-1 SP100-MF1-10 |
| Product Type | AC Permanent Magnet Synchronous Servo Motor |
| Motor Frame Size | 090A (Flange ~90-110mm) |
| Rated Power | ~0.9 kW (Estimates range 0.9-1.5 kW) |
| Rated Torque | ~3.2 – 3.5 Nm (Continuous Stall Torque) |
| Peak Torque | ~6.5 – 12 Nm (Short-time overload) |
| Rated Speed | 3000 rpm (Typical for MAC series) |
| Rated Voltage | 230 VAC (Winding dependent) |
| Rated Current | ~11.4 A (Continuous) |
| Feedback Device | Resolver or High-resolution Encoder (SP100-MF1-10) |
| Protection Class | IP65 (Dust-tight, Protected against water jets) |
| Cooling Method | Natural Convection (IC 410, Surface-cooled) |
| Insulation Class | Class F (155°C) |
| Shaft Type | Keyed Shaft (Standard) |
| Weight | ~8.5 – 12.5 kg |
Technical Principles and Innovative Values
- Innovation Point 1: High Torque Density & Dynamic Response. The motor utilizes a permanent magnet synchronous design with optimized magnetic circuit geometry. This provides a high torque-to-inertia ratio, enabling extremely fast acceleration/deceleration (high dynamics) required in pick-and-place or indexing applications, reducing machine cycle times.
- Innovation Point 2: Ruggedized Industrial Feedback. The integrated SP100-MF1-10 feedback device (typically a resolver or robust encoder) is designed for harsh industrial environments. Unlike fragile optical encoders, resolvers are immune to contamination from oil mist or dust, providing reliable position feedback in dirty machine tool or printing press conditions.
- Innovation Point 3: System-Optimized Compatibility. As part of the Indramat SP100/MAC ecosystem, this motor is electrically and mechanically tuned to work seamlessly with Indramat digital servo drives (e.g., MKD, DKC). This “axis-level” integration simplifies tuning, reduces commissioning time, and ensures optimal performance with matched current loop dynamics.
Application Cases and Industry Value
- Case 1: Printing Press Print Cylinder Drive. In a multi-color offset printing press, precise angular synchronization between print units is critical to avoid color misregistration (ghosting). The 090A-0-RD-2-C servo, paired with an Indramat DKC drive, provides the high-stiffness electronic gearing needed to maintain exact phase relationships between cylinders at high speeds, ensuring print quality and reducing paper waste.
- Case 2: Automated Assembly Robot Joint. A 4-axis SCARA robot’s J2 (elbow) axis requires high continuous torque to handle payloads. The motor’s ~3.5 Nm continuous torque and IP65 rating allow it to operate reliably in an unsealed factory environment, providing the muscle for precise part insertion while resisting ingress of particulate contaminants.
