Two ballscrew options to match different precision and speed requirements: Composite ball screw (steel bearing + aluminum alloy) Composition: bearing components made of steel combined with an aluminumalloy screw body. Key benefit: minimum starting torque for smooth, responsive motion from standstill. Performance: optimized for speed microfeed applications where low inertia and quick acceleration are required. Why you need it: reduces stiction and drive load at low speeds, improving control and throughput in fast, finestep motion systems. Typical use cases: speed pickandplace mechanisms, micromilling or engraving axes, camera or optics focus actuators. Stainlesssteel ball screw Composition: stainlesssteel construction. Key benefit: positioning accuracy and good repeatability for precise, repeatable linear motion. Performance: consistent positioning over repeated cycles, suitable for systems that demand exact, repeatable placement. Why you need it: ensures dimensional accuracy and stable feedback for closedloop motion control and inspection tasks. Typical use cases: precision positioning stages, metrology and inspection equipment, semiconductor alignment or assembly stations. Combined attributes and compatibility Function: converts rotary motion to precise linear motion for feeding, positioning, and actuation. Materials: steel bearings with aluminumalloy screw body (composite option) or stainlesssteel construction (stainless option). Performance highlights: minimal starting torque (composite) and positioning accuracy with strong repeatability (stainless). Compatibility: designed for integration into motioncontrol systems that require low starting torque for speed microfeed or positional accuracy and repeatability; suitable for a wide range of automated and precision equipment. How this solves common problems Reduces startup drag and improves responsiveness in microfeed and speed axes, lowering motor torque requirements. Delivers accurate, repeatable linear positioning to minimize errors in assembly, inspection, or machining operations. Allows system designers to select the appropriate material/performance tradeoff (low inertia vs. repeatability) without changing basic function. Select the variant that matches your priority: choose the steelbearing + aluminumalloy model for minimal starting torque and speed microfeed, or the stainlesssteel model when positioning accuracy and repeatability are the primary requirements.