GIC0802 precision ground micro ball screw is a cutting-edge transmission component designed for ultra-precision micro-motion control. It has a nominal diameter of 8mm and a lead of 2mm. It is extremely miniaturized and suitable for demanding space scenarios.
It adopts nano-level grinding technology and high-hardness alloy steel material, and is carburized, quenched and DLC coated to achieve ultra-high repeat positioning accuracy of ±0.003mm (C3 level), backlash ≤0.002mm, and industry-leading rigidity and wear resistance.
The single nut preload anti-backlash structure is combined with the end cover ball circulation system, with a rated dynamic load of 2.5~5kN, a maximum speed of 6000~8000rpm, and supports extreme temperature ranges from -40°C to 150°C, and is compatible with complex environments such as vacuum and high humidity. Lightweight nuts (total weight of about 100g) and low friction optimization design ensure high-frequency response, low noise and ultra-long life.
It is widely used in high-precision medical equipment (such as cell manipulators), semiconductor wafer inspection, aerospace micro-satellite servos, industrial-grade micro-robot joints and ultra-precision optical instrument nano-positioning.
The selection needs to match the dynamic load and speed curve. Special grease maintenance and regular calibration are recommended. The core advantages are sub-micron accuracy, extreme environmental adaptability and ultra-high speed. It is the core transmission unit of cutting-edge scientific and technological equipment (parameters are subject to the manufacturer’s technical documents).
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