Digital guide
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Kollmorgen M-617-C-B1
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Product Name: Inland/Kollmorgen DC torque motor (M-series frameless or housed)
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Product Introduction: Low-speed high-torque brush DC motor for direct-drive rotation, inherited from Kollmorgen Inland heritage line.
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Technical Specifications (typical for M-600 frame):
Detailed content
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Outer diameter: approx. 160 mm (6-inch class)
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Continuous stall torque: several Nm (exact value requires original drawing)
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Voltage: low-voltage DC (typically 24–90 V)
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Commutation: Mechanical brushes
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Functional Features: Flat torque curve, no cogging (slotless wound), direct load coupling.
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Application Scenarios: Antenna positioning, FLIR gimbals, valve actuators, historical servo retrofits.
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Material & Structure: Copper-wound armature, permanent-magnet stator, brush rigging, ball bearings.
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Working Principle: Lorentz force on armature conductors in fixed magnetic field produces torque proportional to DC current.
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Installation Requirements: Frameless version needs pressed-in stator/rotor into customer housing; align bore concentricity < 0.05 mm.
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Usage Notes: Obsolete; replacement usually TBM2G or KBM frameless BLDC.
