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ball screws
yi gong
Ball Screws for Wafer Dicing Machines — Nanjing Yigong Precision Feed Solutions
Nanjing Yigong precision ball screws are engineered as ball screws for wafer dicing machines and other high-end semiconductor dicing equipment. Our DKF-series ground ball screws adopt innovative inner-cooling design and nut displacement preload technology, maintaining micron-level accuracy stability even at 60 m/min high-speed operation — verified by our own full-performance test laboratory.
Key specifications:
Accuracy up to C0 / P0 grade
Diameter range Φ8–Φ80 mm, lead 2.5–20 mm (grinding C3 and above)
Maximum length up to 4300 mm
Transmission efficiency >90%, drive torque only 1/3 of sliding screws
48 specifications, 200+ models available
These characteristics make Nanjing Yigong ball screws ideally suited to 12-inch dicing platforms such as Jiangsu Jingchuang Advanced's (JCA) AR9000W — where precision imported ball screws, linear guides and Y-axis scale closed-loop control maintain long-term machine accuracy.
Backed by 70+ years of rolling functional parts expertise (est. 1952), National Manufacturing Single Champion status, and proven supply of C0-grade ball screws to high-end machine tools, Nanjing Yigong is a reliable import-substitution alternative to THK/HIWIN for global semiconductor equipment makers.
Contact our engineering team for ball screw sizing tailored to your dicing equipment feed axis.

