Threaded Rod 500mm 8x8mm Acme Leadscrew for NEMA17 Stepper Motor Series

1. General Description
The 400mm Acme threaded rod is a precision-engineered lead screw designed for high-performance linear motion applications, commonly used with NEMA17 stepper motors. Its trapezoidal thread profile and robust construction make it suitable for 3D printers, CNC machines, and other mechanical systems requiring precise and repeatable movement.

2. Physical Dimensions and Characteristics

• Overall Length: 500mm
• Diameter: 8mm
• Thread Type: Acme
• Pitch: 2mm (distance between threads)
• Lead: 8mm (linear movement per revolution of the screw)
• Thread Profile: Trapezoidal
• Material: High-strength stainless steel or carbon steel with anti-corrosion coating
• Surface Finish: Polished, low-friction finish for smooth operation

3. Performance Specifications

• Linear Accuracy: ±0.01mm per 100mm travel
• Load Capacity: Up to 50kg (varies depending on application and mounting)
• Operating Speed: Up to 200mm/s (dependent on motor torque and system configuration)
• Rotation Tolerance: ISO 2768-m (medium class)

4. Compatibility

• Motor Compatibility: NEMA17 stepper motor series
• Nut Compatibility: Works with standard 8x8mm Acme nuts (brass, plastic, or anti-backlash types)
• System Integration: Compatible with linear rails, guide rods, and modular frame systems

5. Features

• High Precision and Repeatability: The 8mm lead ensures accurate linear displacement, essential for applications like 3D printing and precision milling.
• Durable Build Quality: Engineered from premium materials to resist wear, bending, and corrosion over extended periods of use.
• Smooth Thread Profile: The trapezoidal thread minimizes friction and increases efficiency in motion.
• Versatile Applications: Ideal for Z-axis motion in 3D printers, CNC router systems, and other linear motion setups.
• Easy Installation: Simple integration with standard motor couplings and mounting brackets.

6. Environmental Suitability

• Operating Temperature Range: -20°C to +70°C
• Corrosion Resistance: Coated options available for damp or humid environments
• Maintenance Requirements: Minimal lubrication needed for optimal performance