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Neff Gewindetriebe (often referred to as Neff) is a German manufacturer with over a century of engineering experience, highly regarded for their precision-rolled and ground ball screw drives. They are widely utilized in industrial automation, robotics, medical devices, and heavy machinery for converting rotary motion into precise linear movement.
Featured Neff Products
Featured Products
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Core Features & Manufacturing
- Precision & Tolerances: Neff specializes in cold-forming (thread rolling) which creates a high homogeneous grain structure, increasing the spindle’s strength and surface quality. Standard stock screws are typically manufactured in T7 tolerance (52 µm / 300 mm), while specialized seamless production processes allow for T3 tolerance (12 µm / 300 mm).
- Gothic Profile: Their screws utilize a gothic pointed thread profile with a 45° contact angle, ensuring high load capacity, minimal friction, and excellent operating characteristics.
- Dimensions: Standard stock spindles range in diameter from Ø12mm to Ø80mm, with pitches up to 60mm.
Nuts & Recirculation
- Flanged Nuts: Neff offers a wide variety of flanged ball nuts, including versions flattened for limited mounting spaces (DIN 69051) and the standardized KGF-N style.
- Zero Backlash: Their systems can be preloaded to remove backlash entirely, maximizing travel accuracy, though standard (non-preloaded) options are also available for extended life.
- Safety & Brakes: Because ball screws are highly efficient, they are generally not self-locking and can be back-driven. Therefore, Neff advises installing motors with holding brakes, particularly in vertical applications.
Product Portfolio
Beyond standard ball screws, Neff’s comprehensive linear motion catalog also includes:
- Trapezoidal and Sliding Screw Drives
- Screw Jacks (including high-speed and high-performance models)
- Telescopic Screw Drives
- Protective Bellows to shield spindles from fine dust and debris