NIKKI NA50-40NAMKNN-CE – AC Servo Motor with Precision Encoder | NA50 Series Platform
Engineering Background
NIKKI DENSO (日机電装) is a Japanese precision motion control manufacturer with decades of expertise in servo drive systems for industrial automation. The NA50 series represents their mid-range AC servo platform, engineered for demanding CNC, robotics, and factory automation environments where positional accuracy and thermal stability are non-negotiable.
Product Positioning
The NA50-40NAMKNN-CE is a CE-certified AC servo motor unit designed for integration into European-compliant and global automation systems. It delivers reliable closed-loop motion control with a compact form factor suitable for multi-axis machine tool and conveyor applications. Procurement engineers sourcing a verified, in-stock replacement or new-build component will find this unit fully traceable and quality-verified through Konmask’s industrial supply chain.
Complete Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | NIKKI DENSO (日机電装) |
| Model / SKU | NA50-40NAMKNN-CE |
| Series | NA50 |
| Motor Type | AC Servo Motor |
| Certification | CE |
| Weight | 1,450 g (1.45 kg) |
| Country of Origin | Japan |
| Feedback Device | Incremental / Absolute Encoder (NA50 standard) |
| Mounting | Flange mount, IEC standard |
| Protection Class | IP65 (shaft seal standard) |
| Operating Temperature | 0°C to +40°C ambient |
| Storage Temperature | -20°C to +65°C |
| Insulation Class | Class F |
| Compatible Drive | NIKKI NA50 series servo amplifier |
Note: Full electrical ratings (rated torque, rated speed, power output) are available upon request or via official NIKKI datasheet. Contact support@konmask.com for documentation.
Proven Application Environments
- CNC Machine Tools – Spindle and axis positioning on milling, turning, and grinding centers
- Industrial Robotics – Joint actuation in articulated and SCARA robot arms
- Automated Assembly Lines – Pick-and-place, indexing tables, and conveyor synchronization
- Packaging Machinery – High-speed, high-repeatability motion in filling and sealing equipment
- Semiconductor & Electronics Manufacturing – Precision stage control requiring sub-micron repeatability
- Textile & Printing Equipment – Tension control and web-guiding systems
Engineering Advantages
- CE Certification – Fully compliant with EU Machinery Directive and EMC standards; ready for European market deployment without additional certification overhead
- NA50 Platform Compatibility – Drop-in compatible with existing NIKKI NA50 servo amplifier infrastructure, minimizing retrofit engineering time
- Compact High-Torque Design – Optimized stator geometry delivers high torque density within a 1.45 kg envelope
- Thermal Stability – Class F insulation and precision winding construction ensure consistent performance across extended duty cycles
- Low Cogging Torque – Smooth velocity control at low speeds, critical for precision positioning applications
- Encoder Integrity – Factory-calibrated feedback device ensures accurate closed-loop position and velocity control from first power-on
System Architecture & Signal Flow
The NA50-40NAMKNN-CE operates within a standard closed-loop servo architecture:
- Motion Controller / PLC → issues position or velocity command (pulse train or analog ±10V)
- NIKKI NA50 Servo Amplifier → receives command, drives motor phase currents via PWM
- NA50-40NAMKNN-CE Servo Motor → converts electrical energy to precise mechanical rotation
- Encoder Feedback → returns actual position/speed data to amplifier for real-time error correction
- Load / Mechanical System → ballscrew, rack-and-pinion, or direct-drive coupling
This architecture supports position loop bandwidths suitable for high-dynamic applications. Tuning parameters are configured via the NA50 amplifier’s parameter set.
Sourcing & Quality Verification
- Authorized Industrial Supply Chain – Units sourced through verified distributor and OEM channels with full traceability
- Pre-shipment Inspection – Each unit undergoes visual inspection, label verification, and packaging integrity check before dispatch
- Genuine Parts Guarantee – Konmask.com does not deal in counterfeit or refurbished-as-new components; all units are represented accurately
- Documentation Available – CE declaration of conformity, test reports, and NIKKI factory documentation available upon request
- Condition – New / surplus new (specify requirement at order)
Procurement Process
- Confirm Part Number – Verify NA50-40NAMKNN-CE matches your existing servo amplifier model and mechanical interface
- Request Quote / Datasheet – Contact support@konmask.com with your application details for pricing, lead time, and full technical documentation
- Place Order – Secure checkout via Konmask.com; B2B purchase orders accepted for qualified accounts
- Shipping & Export – DHL / FedEx international express; export documentation (commercial invoice, packing list, CO) provided
- Incoming Inspection Support – Konmask provides inspection checklists and can coordinate third-party inspection if required
Technical FAQ
Q: Is the NA50-40NAMKNN-CE compatible with non-NIKKI servo drives?
A: The motor is optimized for NIKKI NA50 series amplifiers. Third-party drive compatibility depends on encoder interface type and motor winding parameters. Contact us for detailed wiring specifications before attempting cross-brand integration.
Q: What does the “CE” suffix in the part number indicate?
A: The CE suffix denotes that this variant carries CE marking, confirming conformity with applicable EU directives (EMC Directive 2014/30/EU and Low Voltage Directive 2014/35/EU).
Q: Can I use this motor for a new machine build, or is it only for replacement?
A: Both. The NA50-40NAMKNN-CE is suitable for OEM new builds and MRO replacement applications. Provide your application parameters and we will confirm suitability.
Q: What is the lead time?
A: In-stock units typically ship within 1–3 business days. Contact support@konmask.com for real-time availability confirmation.
Q: Do you provide a warranty?
A: Yes. Konmask.com provides a 90-day warranty against manufacturing defects on all new units. Terms available upon request.
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