Description
High Torque with Intelligent Feedback Control
Unlike open-loop systems, the NEMA34 closed loop stepper motor dynamically adjusts current output based on encoder signals. This allows the motor to deliver servo-like performance while retaining the cost-effectiveness and simplicity of stepper technology.
Precision Engineering and Manufacturing Quality
Each NEMA34 closed loop stepper motor is manufactured using high-grade silicon steel laminations to optimize magnetic efficiency and reduce energy loss. The stator windings are made from oxygen-free copper to enhance conductivity and thermal stability during continuous operation.
Versatile Integration for Modern Automation
The NEMA34 closed loop stepper motor supports multiple control modes including pulse-direction and closed-loop current regulation. It is compatible with modern digital drivers, allowing easy integration into existing CNC and motion control architectures.
Optional configurations such as planetary gearboxes, electromagnetic brakes, and reinforced shafts further expand its usability in complex mechanical systems. This flexibility makes it suitable for both new machine designs and servo upgrade replacements.
Reliable Solution for High-End Motion Systems
As a next-generation closed loop stepper motor, a durable high torque stepper motor, and a dependable industrial automation motor, the NEMA34 closed loop stepper motor delivers a balanced combination of accuracy, torque density, and operational stability. It is engineered for industries where precision and reliability directly impact productivity and system performance.
NEMA34 Closed Loop Stepper Motor – Technical Specifications
Electrical System
- Product Type: NEMA34 Closed Loop Stepper Motor (Hybrid Servo-Enhanced Stepper)
- Control Mode: Pulse/Direction + Closed-loop current correction
- Supply Voltage: 36V DC / 48V DC / 60V DC (industrial grade)
- Rated Phase Current: 3.5A – 7.5A per phase (adaptive load control)
- Encoder Resolution: 1000 – 2500 PPR incremental encoder (optional higher resolution)
- Feedback System: Real-time rotor position correction with anti-loss algorithm
Mechanical Structure
- Frame Size: 86 mm × 86 mm (NEMA34 standard)
- Motor Length: 98 mm – 150 mm (torque-dependent variants)
- Shaft Diameter: 12.7 mm / 14 mm / 16 mm (keyed / D-cut optional)
- Bearing Type: Reinforced dual ball bearing system for axial stability
- Rotor Design: Precision dynamic balancing (vibration suppression optimized)
- Protection Class: IP54 standard / IP65 sealed version optional
Performance Characteristics
- Holding Torque: 4.5 N·m – 12.5 N·m (model dependent)
- Peak Torque Boost: Up to +20% under closed-loop compensation
- Speed Range: 0 – 1800 RPM stable operation zone
- Position Accuracy: ±0.05° closed-loop correction accuracy
- Anti-Stall Function: Automatic torque compensation under overload
- Noise Level: ≤58 dB (low-resonance operation design)
Thermal & Environmental Data
- Operating Temperature: -20°C to +55°C
- Storage Temperature: -40°C to +80°C
- Cooling Method: Natural cooling / optional forced air cooling compatibility
- Humidity Resistance: 20% – 90% RH non-condensing
