Description
System Architecture & Operational Principle
The REXROTH 0360-500-00/MF01 sits at the Purdue Model Level 1 (Basic Control), interfacing directly with motion controllers or PLCs to execute physical movements. Upstream, it receives analog (4-20mA) or digital (24V DC) position/speed commands from a controller like a Siemens SIMOTION or Allen-Bradley Kinetix. These commands are processed by an internal servo drive, which energizes the motor to move a ball screw or rack-and-pinion assembly. Downstream, the actuator produces linear motion with encoder feedback (1 µm resolution) for closed-loop control, ensuring the load stops at the commanded position. Its inherent advantage is the modular indirect drive, which uses a gear reduction to increase torque at the expense of speed, protecting the motor from direct load stress. The MF01 suffix denotes a pre-configured flange and coupling, simplifying mounting to existing machinery.
Core Technical Specifications
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Physical Interface: Flange mount (ISO 9409-1), accepts 16-22 AWG wiring for control signals
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Signal Type: Analog (4-20mA, 0-10V) / Digital (24V DC sourcing)
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Load Capacity: 500 kg maximum
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Stroke Length: Up to 3 meters
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Positioning Accuracy: ±0.02 mm
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Repeatability: 1 µm
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Maximum Speed: 10 m/min (0.167 m/s)
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Communication Bus: None (hardwired I/O), optional fieldbus via external coupler
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Motor Power: 1.5 kW (integrated servo motor)
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Environmental Tolerance: -20°C to +70°C operating; IP20 protection
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Power Draw: 3.5 kW (max, during acceleration)
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Weight: 45 kg (without motor)
REXROTH CSH01.1C-PB-ENS-NNN-MEM-S2-S-NN-FW
Customer Value & Operational Benefits
Reduced Integration Time with Pre-Configured Flange
The MF01 package comes with a machined flange and flexible coupling. I’ve installed these in under 2 hours, whereas a custom mount can take a full day. It aligns perfectly with NEMA 56C motor standards, cutting fabrication costs.
Minimized Backlash for Precision Tasks
The ball screw mechanism has <0.05 mm backlash. In a labeling machine, this meant the print head hit the same spot every time, eliminating misprints. The 1 µm encoder feedback allows for software-based compensation of any remaining error.
Preventing Downtime with Overload Protection
The actuator has a dual-stage clutch. On a press feed, it slipped instead of shearing a $500 gear tooth when a part jammed. Resetting it took 5 minutes versus a 4-hour changeout.
Field Engineer’s Notes (From the Trenches)
When mounting the 0360-500-00/MF01, torque the flange bolts to 35 N·m (26 ft-lbs). I once used an impact wrench and warped the mounting plate, causing a 0.1 mm tilt that ruined part fitment. Also, always use shielded twisted-pair for the encoder cable and ground it at one end only. In a pulp mill, a ground loop induced noise that made the actuator hunt, costing a shift’s production. Check the grease zerks monthly; the factory fill is only good for 2,000 cycles under load. Use Rexroth HLP-46, not a generic lithium grease.
Real-World Applications
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Automotive Body Shop Spot WelderThe actuator positions the welding gun with ±0.05 mm repeatability. It receives a 24V DC “advance” command from a PLC, moves 1.5 meters, and waits for a “weld complete” signal. The high stiffness prevents gun deflection under pressure.
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Pharmaceutical Bottle FillerControls the vertical position of the filling nozzle. An analog 4-20mA signal from the filler controller sets the height for different bottle sizes. The 1 µm resolution ensures the nozzle enters the bottle without touching the rim, maintaining sterility.
High-Frequency Troubleshooting FAQ
Q: What is the correct procedure for replacing a REXROTH 0360-500-00/MF01 encoder?
A: First, power down the system and lock out the motor. The encoder is a fragile glass disc; use an ESD wrist strap. Note the three-phase wiring color code (blue, brown, black) before disconnecting. After installing the new encoder, perform a homing sequence via the controller. If the axis drifts, check the coupling for play—a loose set screw is a common culprit.
Q: Can the 0360-500-00/MF01 be used in a washdown environment?
A: No, the IP20 rating is for dry cabinets. For food or pharma washdown, you need the IP65 variant (suffix /MF02). I’ve seen IP20 units fail in 6 months from high-pressure steam cleaning. If you must use the MF01, enclose it in a NEMA 4X box with proper drain holes.
Q: How do I diagnose a “stalled axis” fault?
A: Check the load weight first—it may exceed 500 kg. Next, measure the motor current with a clamp meter; if it’s at the 10A limit, the axis is binding. Listen for bearing noise. Finally, inspect the ball screw for debris. A clogged recirculation tube is often the issue.
Q: What is the expected service life of the ball screw?
A: With proper lubrication, expect 20,000 km of travel. In a 3-shift stamping press, that’s about 3 years. Monitor for increased noise or lost motion—that’s your sign to plan a rebuild.
REXROTH CSH01.1C-PB-ENS-NNN-MEM-S2-S-NN-FW
Commercial Availability & Pricing
Please note: The listed price is not the actual final price. It is for reference only and is subject to appropriate negotiation based on current market conditions, quantity, and availability.
