The ground micro ball screw pair 200 is an ultra-precision micro transmission component with a nominal diameter of 20mm and a lead of 5mm, designed for high-precision, small-space equipment.
Using precision grinding technology and alloy steel material, it is carburized and quenched and hardened, and is equipped with a micro ball circulation system (end cap type or plug type) to achieve ±0.01mm level repeat positioning accuracy (C3/C5 level).
The single nut preload anti-backlash structure effectively reduces backlash and improves rigidity. The rated dynamic load is 5~8kN, the maximum speed is 2500~3500rpm, and it supports a wide temperature environment from -20°C to 100°C.
The surface plating or coating technology enhances wear resistance, and the lightweight design (total weight is about 1~2kg) takes into account low friction, low noise and high response speed.
It is suitable for micron-level positioning transmission of precision medical instruments (such as endoscope drives), optical focusing systems, semiconductor packaging equipment, micro-automatic robotic arms and high-precision testing instruments.
The selection needs to match the load, speed and installation coaxiality. It is recommended to use a small amount of grease and perform regular maintenance to extend the service life. The core advantages are miniaturization, ultra-high precision and high reliability. It is an ideal transmission solution for precision industry and micro-electromechanical fields (the specific parameters are subject to the manufacturer’s technical manual).
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