Description
Product Introduction
The Dunkermotoren BG65X50SI is a high-performance brushless DC servo motor featuring integrated speed control electronics and built-in encoder feedback. Designed for precision automation, medical devices, and robotics, this compact motor houses its control circuitry directly within the unit, minimizing external panel wiring and saving critical machine footprint.
Equipped with a robust rotor construction and fine-resolution feedback options, the BG65X50SI provides smooth velocity profiles, high dynamic response, and accurate positioning capability. Its integrated architecture makes it a dependable, space-saving replacement choice for automated machinery requiring tight closed-loop control without a separate standalone drive rack.
Key Technical Specifications
| Parameter | Value |
| Product Line | BG65 Brushless Servo Series (SI = Integrated Electronics) |
| Device Type | Brushless DC Servo Motor with Integrated Controller |
| Nominal Voltage | 24 VDC |
| Rated Speed | ~3100 RPM |
| Nominal Current | 5.6 A |
| Continuous Torque | ~26–30 Ncm |
| Feedback | Integrated encoder feedback (up to 4096 pulses/rev variant) |
| Enclosure Protection | IP50 standard (field upgradeable variants to IP65) |
| Cooling | Natural convection |
| Operating Temperature | 0 °C to 40 °C |
Application Scenarios & The “Trench” Experience
Picture this: It is 2:30 AM on a high-speed automated packaging line. A critical indexing axis halts abruptly, throwing a motor fault code on the machine interface. Troubleshooting reveals that an internal driver stage on an integrated brushless motor has blown due to a mechanical jam. The line is completely down, and waiting weeks for a factory-custom drive-motor assembly will cripple production targets. You pull a certified surplus Dunkermotoren BG65X50SI off your shelf, match the mating industrial circular connectors, configure the integrated control switches to match the old profile, and restore precise axis indexing before the morning shift arrives.
- Automated Laboratory & Medical Equipment: Driving precision pumps, sample handlers, and diagnostic staging carousels.
- Semiconductor Component Handlers: Operating high-speed sorting gates and optical inspection axes.
- Industrial Packaging & Labeling: Managing accurate intermittent feeding and web-tensioning rolls.
Transparency SOP: Quality Assurance & Testing
We don’t just ship boxes; we test them on actual motion test benches. Every surplus BG65X50SI unit goes through a strict verification protocol before leaving our warehouse:
- Inbound Mechanical Inspection: Visual check for shaft concentricity, keyway integrity, connector pin alignment, and housing surface condition.
- Electrical Insulation Testing: Megger insulation resistance testing across stator windings to verify coil health.
- Integrated Controller Bench Test: Applying 24 VDC power to the integrated electronics housing to check bootloader stability, communication handshakes, and LED status indicators.
- Dynamic Run-Up Audit: Spinning the motor on a test stand to verify encoder pulse output tracking, smooth commutation, and bearing quietness at operational speeds.
- Final QC & Anti-Static Packaging: Shaft protective capping, ESD-safe wrapping, and insertion into high-density custom foam cartons.
BG65X50SI
BG65X50SI
The Veteran’s Tech Trap Guide (Crucial Value-Add)
- ⚠️ Match Internal Switch Settings: Before powering up a replacement BG65X50SI, carefully duplicate any internal address, baud rate, or operational mode switch settings from your failed motor. Mismatched configurations will prevent proper communication with your master PLC or controller.
- ❗ Never Strike the Shaft: Do not use a hammer or force a pulley onto the motor shaft during installation. Doing so transmits heavy axial shock loads straight into the internal encoder disk or rotor bearings, instantly ruining the motor.
- ⚠️ Check Power Polarity: Double-check your 24V DC supply leads before plugging them into the circular power connector. Reversing polarity on units with integrated electronics can instantly fry the onboard control board.
Frequently Asked Questions (FAQ for Conversion)
Q: What does the “SI” suffix stand for in BG65X50SI?
A: The “SI” designation indicates that the motor includes built-in Speed and control Electronics (integrated controller), eliminating the need for an external standalone servo drive cabinet.
Q: Can I use this motor without an external controller?
A: Yes. Because the drive electronics and commutation logic are integrated directly into the motor housing, it accepts direct low-voltage control commands and power inputs based on its configuration variant.
Q: Are these units brand new or refurbished?
A: Our inventory consists primarily of New Surplus and Factory Sealed stock sourced from industrial liquidations. Every unit undergoes live bench-testing prior to shipment.
Q: Why buy surplus Dunkermotoren hardware instead of standard third-party motors?
A: Standard motors will not match the integrated control architecture or physical mounting footprint of specialized OEM sub-assemblies. Sourcing certified surplus exact-match units saves you from expensive custom machine re-engineering.
Q: What warranty is included with purchase?
A: Every BG65X50SI motor ships with our comprehensive 12-month full replacement warranty.
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