II. Technical Specifications

Model: 08461813R (0-846181-3R)

Type: Permanent Magnet Brushed DC Servo

Rated Voltage: 90 VDC

Rated Torque: 3.2 Nm (Continuous)

Peak Torque: 9.6 Nm (3 times overload)

Rated Speed: 2500 RPM

Maximum Speed: 4000 RPM

Rated Current: 4.8 A

Peak Current: 14.4 A

Encoder: 500 PPR Differential A/B/Z, 5VDC

Shaft Diameter / Keyway: 5/8" (15.88 mm) Standard Flat Key

Installation Flange: NEMA 34 (86 mm Square)

Protection Grade: IP44 (Axial IP54)

Insulation Grade: F Class (155℃)

Weight: Approximately 7.5 kg

III. Core Functions

High Torque Output: Continuous 3.2 Nm, Peak 9.6 Nm, Suitable for Medium and Heavy Load Positioning

High Precision Feedback: 500 PPR Differential Encoder, Supports Closed-loop Precise Control

Wide Speed Range Operation: 2500 RPM Rated, 4000 RPM Maximum, Suitable for Multiple Working Conditions

Industrial Grade Protection: IP44 Dust and Splash Proof, Suitable for Complex Workshop Environments

Stable and Durable: F Class Insulation, High-Quality Brushes and Bearings, Long Lifespan, Simple Maintenance

IV. Applicable Scenarios

Industrial Automation: CNC Cutting Machines, Packaging Machinery, Injection Molding Machine Auxiliary Axes

Precise Positioning: Heavy Positioning Tables, Machine Tool Feed, Robot Joints

Equipment Upgrade: Replace old models such as E660-04-076, 08461811R of the same platform motors

Compatible Drives: Baldor DC1, Reliance DC-35, etc. 90VDC DC Servo Drives

V. Usage Instructions

1. Installation

Flange Fixation: NEMA 34 Through Hole, 4 M5 Bolts, Torque 2.5 Nm

Alignment: Load and Motor Shaft Alignment ≤ 0.08 mm, Avoid Radial Load

Cables: Power Cable ≥ 14AWG, Encoder Cable Use Twisted Shielded Cable, Length ≤ 10 m

2. Wiring

Power: A+ (Armature Positive), A- (Armature Negative), FG (Ground)

Encoder: +5V, GND, A±, B±, Z±

3. Debugging

Drive Parameters: Motor Type Set to "DC Servo", Rated Voltage 90VDC, Rated Current 4.8A, Encoder 500PPR

Test Run: First, Point Move (500 RPM), Check Direction, Abnormal Noise, Encoder Feedback; Then Gradually Load to Rated Torque

4. Maintenance

Brush: Check every 2000 hours, Replace when worn to 5mm

Bearings: Add High Temperature Lubricating Grease (Mobil XHP 222) every 4000 hours

Insulation: Test once a year, Armature-to-Ground Insulation ≥ 1 MΩ (500VDC Multimeter)