The HollySys DBM small servo motor series delivers high-speed response with a maximum speed reaching 6,000 rpm, paired with a 17-bit magnetic encoder for precise motion control. Engineered for efficient conveyor belt drive systems and high-throughput automation lines, these motors ensure stable thermal performance and robust overload capabilities under demanding industrial cycles.

Industrial automation engineers frequently encounter thermal overload, vibration-induced encoder signal degradation, and mechanical resonance during high-acceleration conveyor belt drive operations. The DBM small servo motor architecture mitigates these bottlenecks by integrating an innovative compact winding design that enhances operational efficiency and stabilizes temperature rises during continuous duty cycles. Equipped with a high-resolution 17-bit magnetic encoder, the drive train acquires precise angular positioning data without lagging. This configuration ensures smooth torque delivery with minimal ripple, directly addressing the synchronization requirements of multi-axis conveyor networks and high-speed sorting modules.
Technical Specifications
Power Range: 50 W - 1.8 kW @ 220 VAC
Flange Size: 40 mm - 130 mm @ Standard Metric
Encoder Resolution: 17-bit Magnetic @ Absolute Feedback
Rated Speed: 1500 rpm - 3000 rpm @ Continuous Operation
Max Speed: 3000 rpm - 6000 rpm @ Peak Performance
Rated Torque: 0.16 N.m - 11.5 N.m @ Rated Current
Max Torque: 0.48 N.m - 34.5 N.m @ Peak Current
Rated Current: 0.6 Arms - 8.5 Arms @ 220 VAC
Max Current: 1.8 Arms - 25.5 Arms @ Transient Load
Rotor Inertia: 0.035 x 10^-4 kg.m^2 - 22.63 x 10^-4 kg.m^2 @ Mechanical Coupling
Ingress Protection: IP65 Standard @ Plastic Shielded Connectors
Torque Ripple: < 2% of Rated Torque @ Steady State
System Integration and Hardware Setup
Proper physical installation and electrical wiring are critical for maximizing the reliability of the DBM small servo motor within a conveyor belt drive setup. Shielded twisted-pair cables must be utilized for encoder signal transmission to eliminate electromagnetic interference generated by adjacent variable frequency drives or high-voltage switching lines. The motor housing features plastic-shielded connectors rated at IP65, offering reliable defense against ambient moisture, airborne oil mist, and facility cleaning agents. For heavy-washdown environments, customized IP67 variants should be specified. Grounding must follow a single-point star topology to prevent ground loops that compromise encoder feedback integrity. Panel builders need to separate power wiring from low-voltage control circuits by a minimum physical distance of 200 millimeters inside the control cabinet.
Reliability and Environmental Durability
Operating longevity in continuous automated manufacturing relies on superior thermal management and structural mechanical resilience. The DBM series incorporates optimized slot-fill ratios and high-grade thermal insulation materials that maintain stable thermal equilibrium during rapid cycling. Molded plastic connectors provide secure mating cycles and corrosion resistance under factory floor stress. Mean Time Between Failures is extended through balanced rotor dynamics, which reduce bearing stress during high-speed transit. Thermal sensors embedded within the stator windings interface directly with the servo drive trip circuits to prevent insulation breakdown during prolonged stall or severe overload events.
Selection Guidance and Alternative Options
Selecting the correct servo configuration requires careful evaluation of load inertia matching, peak torque demands, and duty cycle profiles. Engineers should analyze the reflected load inertia against the rotor inertia values listed in the technical data to maintain a ratio below recommended safety thresholds, preventing control loop instability. For applications requiring rapid point-to-point positioning on a conveyor belt drive, low-inertia models like the DBM-H040C or DBM-H060C provide the necessary dynamic acceleration. Beijing Zhongping Technology provides comprehensive engineering support and local inventory access to assist technical teams with cross-reference sizing, drive matching, and immediate replacement alternatives for legacy automation hardware.
Frequently Asked Questions (FAQ)
1. What is the standard lead time and inventory status for standard DBM series models?
Standard configurations across common flange sizes are maintained in regional stock to support expedited dispatch and minimize customer equipment downtime.
2. What warranty terms and pre-shipment inspection policies apply to these servo motors?
Units undergo rigorous electrical insulation and dynamic performance testing prior to dispatch, backed by a standard 12-month operational warranty covering factory defects.
3. How does the 17-bit magnetic encoder communicate with third-party motion controllers?
The encoder outputs absolute position data utilizing proprietary or standard serial communication protocols compatible with matching HollySys servo drives. Can bus or pulse train configurations depend on the specific drive amplifier selected.
4. Are custom cable lengths available for multi-axis conveyor systems?
Yes, pre-assembled encoder and power cables can be ordered in custom lengths with factory-molded industrial connectors to match specific machine footprints.
5. What is the maximum permissible ambient operating temperature for the DBM motor series?
The motors operate reliably within an ambient temperature range of 0°C to 40°C without requiring derating, provided proper cabinet or surface heat dissipation is maintained.
6. Can these servo motors operate in vertical lifting applications without a holding brake?
Models integrated with optional holding brakes should be specified for vertical axes or inclined conveyor setups to prevent load drop during unpowered states.
7. How is mechanical resonance minimized when coupling the motor to a gearbox?
Engineers should utilize high-torsional-stiffness bellows or clamp-type couplings and perform gain tuning via the servo drive software to suppress mechanical resonance frequencies.
8. What maintenance is required for the IP65-rated connector interface?
Routine inspections should verify that the locking mechanisms are tight and that seal O-rings remain pliable, preventing fluid ingress during high-pressure washdowns.
FAQ
1.Who are We?
Beijing Zhongping Technology Co., LTD., is a global industrial electrical automation service provider, is a scientific research, design, marketing, technical services, industrial Internet, international import and export services as one of the science and technology companies.
2.What can you buy from us?
PLC, inverter, human-machine interface, hydraulic products, low-voltage power distribution, industrial robots and core components
3.Is the item in stock or need to be purchased from another supplier?
We have a large inventory of goods and have our own warehouse.
4.What advantages do we have over other suppliers?
Our company has a large amount of inventory and a number of warehouses, but also in the country's important industrial provinces and cities with offices and a number of overseas service points. To provide you with intelligent manufacturing one-stop comprehensive services, save efforts, labor and cost.
5.Can you provide 100% new original authentic products?
We only sell new original genuine, no renovation, no fake, only for the original factory original!
6.How long is the delivery time?
If there is a stock, it will take 2-3 working days to ship, if the quantity is large, it will take 5-7 working days after receiving the payment, if it is not a conventional model, it will take some time, we will inform you of the specific delivery time.
7.Is there technical support available?
Of course, we have a professional technical team that can help you solve technical problems.
8.How do we guarantee quality?
We have three processes to control the quality of goods.
1) Our engineers will inspect the production and quality control in the factory regularly.
2) Incoming materials shall be inspected by experienced purchasing engineers before they can be stored.
3) At least 2 people in the logistics department cross-check the goods to be sent before delivery.
9.Can you guarantee the safe and reliable delivery of your products?
Yes, we strictly adopt the international standard packing. We also use special packaging for dangerous goods, and refrigerated shipping for items with temperature requirements. Special item packaging and general cargo standard packaging requirements may incur additional costs.
10.How about the freight?
The cost depends on how you choose to get the goods. Express is usually the fastest but also the most expensive way. Sea freight is the best solution for large quantities of goods. The exact shipping cost depends on the purchase amount、quantity and weight of your order. Please feel free to contact us for more information.