Digital guide
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Kollmorgen B-104-A-22-B2
Product Name: Goldline B-Series Permanent Magnet Brush Servo Motor (legacy)
Product Introduction: Pre-AKM industrial brush servo motor with cartridge-style construction, used in older Kollmorgen motion systems.
Technical Specifications (typical B-104 frame):
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Frame: 104 mm diameter stack body
Detailed content
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Winding: A (medium voltage)
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Stack length: 22 (mid stack)
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Magnet: Alnico or rare-earth hybrid depending on vintage
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Rated torque: approx. 1.0–1.6 Nm (winding dependent)
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Rated speed: 1500–3000 rpm
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Tachometer / encoder: optional B2 denotes encoder+tach combo variant
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Thermal: class H insulation
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Mounting: NEMA/metric face, foot or flange
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Construction: cast aluminum endbells, steel shell, commutator + carbon brushes
Functional Features: High starting torque, simple drive interface (PWM or linear amp), tach feedback for stable velocity loop.
Application Scenarios: Legacy machine tools, textile machinery, 1990s robotics, spindle assists.
Installation Notes: Brush access cap must remain serviceable; tach polarity matters for stability.
Usage Precautions: Brushes wear—inspect every 2000 h; do not operate above 40 °C ambient without derate; obsolete, spares only.
