CW ChuangWei NEMA 34 6.8Nm (Shaft 14mm Key) 86BHH114-504D-35C 450B Stepper Motor

The CW ChuangWei NEMA 34 stepper motor is a high-torque industrial motor designed for demanding CNC and automation applications. With strong holding torque and precise step control, it is ideal for heavy-load systems requiring reliable and consistent performance.

Key Features

• High Torque Output
  Delivers up to 6.8 Nm holding torque for heavy-duty motion control applications.
• Accurate Positioning
  1.8° step angle ensures precise movement and stable operation.
• Industrial-Grade Construction
  Built for long-term durability in continuous operation environments.
• Efficient Electrical Design
  Optimized winding improves performance while managing heat effectively.
• Standard NEMA 34 Frame
  Compatible with a wide range of CNC and automation mounting systems.
• Keyed Shaft Design
  14 mm shaft with keyway ensures secure and stable coupling.

Technical Specifications

• Model: 86BHH114-504D-35C
• Frame Size: NEMA 34
• Step Angle: 1.8° ±5%
• Holding Torque: 6.8 Nm (68 kg·cm)
• Rated Voltage: 2.77 VDC
• Rated Current: 5.0 A
• Phase Resistance: 0.66 Ω ±10%
• Phase Inductance: 3.7 mH ±20%
• Rotor Inertia: 3550 g·cm²
• Insulation Resistance: 100 MΩ (500 VDC)
• Insulation Class: B (≤130°C)
• Ambient Temperature: -20°C to 50°C
• Ambient Humidity: 15% to 95%
• Motor Weight: Approx. 3.8 kg
• Shaft Diameter: 14 mm (with key)
• Matching Driver: CW ChuangWei CWD860H, YAKO YKD2608MH-DK, Leadshine DMA860H

Applications

Suitable for CNC routers, milling machines, plasma cutters, automation systems, and other industrial motion control applications where high torque and precision are required.