HARMONIC DRIVE HKM-025-60SP NW50 A53269011 1179A01313CR16V20 – Precision Servo Actuator | HKM Series Platform
Engineering Background: The HKM Series represents Harmonic Drive AG’s integrated servo actuator platform, combining a high-precision strain wave gear (harmonic drive) with a brushless servo motor and encoder in a single compact housing. Designed for demanding motion control applications where backlash-free positioning, high torque density, and long service life are non-negotiable requirements.
Product Positioning: The HKM-025-60SP NW50 is a mid-range integrated actuator targeting collaborative robotics, precision assembly automation, semiconductor handling, and medical device motion axes. Part number A53269011 / 1179A01313CR16V20 identifies the specific configuration with NW50 output flange interface, 60:1 reduction ratio, and SP (standard precision) gear grade. This unit is sourced, inspected, and dispatched from Konmask’s verified industrial automation inventory.
Complete Technical Specifications
- Manufacturer: HARMONIC DRIVE AG (Germany) / Harmonic Drive Systems Inc. (Japan)
- Series: HKM (Harmonic Drive Integrated Servo Actuator)
- Model: HKM-025-60SP
- Part Numbers: A53269011 / 1179A01313CR16V20
- Output Flange Interface: NW50
- Gear Ratio: 60:1
- Gear Grade: SP (Standard Precision)
- Gear Type: Strain Wave Gear (Harmonic Drive)
- Backlash: <1 arc-min (zero backlash under preload)
- Rated Output Torque: Per HKM-025 datasheet (refer to Harmonic Drive AG HKM Series catalog)
- Motor Type: Integrated Brushless DC Servo Motor
- Encoder: Integrated multi-turn absolute or incremental (configuration-dependent)
- Housing: Compact integrated aluminum alloy
- Weight: Approx. 1,450 g
- Protection Class: IP54 (standard, verify with datasheet for specific variant)
- Operating Temperature: 0°C to +40°C
- Storage Temperature: -20°C to +60°C
- Lubrication: Factory-filled, maintenance-free
- Compliance: CE, RoHS
Proven Application Environments
- Collaborative robot (cobot) joint actuators — 4th, 5th, and 6th axis
- Precision assembly and pick-and-place automation
- Semiconductor wafer handling and lithography stage drives
- Medical imaging and surgical robot positioning axes
- Optical instrument and telescope mount drives
- Aerospace ground support equipment and antenna positioning
- AGV/AMR steering and drive modules
- CNC rotary table and indexing head drives
Engineering Advantages
- Zero Backlash: Strain wave gear principle eliminates backlash, enabling sub-arc-minute positioning repeatability
- High Torque Density: Compact HKM-025 frame delivers high output torque relative to envelope size
- Integrated Design: Motor, gear, encoder, and output flange in one unit — reduces assembly complexity and alignment errors
- NW50 Interface: Standardized output flange simplifies mechanical integration with existing robot and machine structures
- Long Service Life: Harmonic Drive gear mechanism rated for >7,000 hours under rated load conditions
- Low Noise & Vibration: Smooth torque transmission with minimal torsional stiffness variation
- Drop-in Replacement: Compatible with standard HKM-025 NW50 mounting patterns for direct retrofit
System Architecture & Signal Flow
The HKM-025-60SP NW50 integrates the following subsystems in a single sealed housing:
- Input Stage: Brushless DC servo motor with integrated winding and permanent magnet rotor
- Feedback Stage: Integrated encoder (absolute/incremental per variant) mounted on motor shaft — provides position and velocity feedback to servo drive
- Transmission Stage: 60:1 harmonic drive strain wave gear — wave generator (input) → flexspline (output) → circular spline (fixed) — delivers zero-backlash torque multiplication
- Output Stage: NW50 output flange — direct load attachment without additional coupling
- Interface: Multi-pin connector for power, encoder signals, and brake (if equipped) — compatible with standard Harmonic Drive servo drive controllers
Sourcing & Quality Verification
- Origin: OEM production unit — HARMONIC DRIVE AG / Harmonic Drive Systems Inc.
- Condition: New or factory-refurbished (specify at inquiry)
- Traceability: Part number A53269011 / 1179A01313CR16V20 cross-referenced against Harmonic Drive AG production records
- Inspection: Pre-shipment functional check — rotation smoothness, encoder signal integrity, connector continuity
- Packaging: OEM or equivalent anti-static and shock-protected packaging
- Warranty: 12-month Konmask quality guarantee against manufacturing defects
Procurement Process
- Submit inquiry with quantity, delivery timeline, and destination country to support@konmask.com
- Receive quotation with lead time, shipping options (DHL / FedEx / sea freight), and export documentation details within 24 hours
- Confirm order — proforma invoice issued
- Payment via T/T bank transfer or agreed terms
- Shipment with tracking number, commercial invoice, packing list, and certificate of origin
- Post-delivery technical support available via email or WhatsApp
Technical FAQ
Q: Is the HKM-025-60SP NW50 compatible with third-party servo drives?
A: The unit is optimized for Harmonic Drive AG servo drive controllers. Third-party compatibility depends on encoder protocol and motor winding parameters — contact us with your drive model for confirmation.
Q: What is the difference between SP and UP gear grades?
A: SP (Standard Precision) offers arc-minute level positioning accuracy suitable for most industrial applications. UP (Ultra Precision) provides arc-second level accuracy for metrology and semiconductor applications at higher cost.
Q: Can you supply the matching servo drive controller?
A: Yes. Konmask stocks compatible Harmonic Drive servo drive controllers and cables. Specify your application requirements for a complete system quotation.
Q: What is the lead time for this part?
A: In-stock units ship within 3–5 business days. Out-of-stock lead time is 4–8 weeks depending on production schedule. Contact us for real-time availability.
Q: Do you provide export documentation for customs clearance?
A: Yes — commercial invoice, packing list, certificate of origin, and HS code declaration are provided with every international shipment.
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