Ball Screws and Nuts

Ball Screws provide linear actuation.
Ball Screws and Nuts

Ball Screws provide linear actuation.

SKF/TCM precision ground ball screw assemblies enable precise positioning of moving parts in computer-controlled machinery. No-tubing, internal return design incorporates balls in each circuit removed from raceway and returned by solid metal deflector pins. One-piece nut construction flanges provide built-in accuracies for concentricity, squareness, and straightness. Sizes range from 3/8 to 6 in....

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Ball Screws are offered in 11 sizes.
Ball Screws and Nuts

Ball Screws are offered in 11 sizes.

Engineered for smooth, quiet motion at high speeds, Quiet Ball Screws minimize noise because nut uses end cap ball returns machined from plastic. Offered in 6 diameters from 5-20 mm and pitches from 2-32 mm, products are available with or without backlash and in choice of 2 accuracy grades: T5 ground thread and T7 rolled thread. Steinmeyer Combination Wiper system, consisting of labyrinth seals...

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Ball Screws are typically 90% efficient.
Ball Screws and Nuts

Ball Screws are typically 90% efficient.

Ball Screws run at speeds of over 2,000 ipm and operate with normal efficiency between -65 and 300°F with suitable lubricants. Straightness is specified at 0.010 in. per foot TIR and will not exceed 0.025 in. TIR over length of screw. Ballnuts are offered in single circuit, dual circuit, and preloaded styles with max operating loads up to 1,650 lb. Ball Screws come in stainless steel and...

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Miniature Ball Screws include 3 mm size.
Ball Screws and Nuts

Miniature Ball Screws include 3 mm size.

ULTRAMINIATURE ball screws are offered in diameters as small as 3 mm, with choice of 1 mm or 0.5 mm pitch. Made from standard tool steel, screws are hardened and precision ground to meet ISO tolerances from T0 to T5. Nut types include: Series 1112 cylindrical with attaching thread, Series 1214 cylindrical with fitting key, and Series 1412 with flange. All include preload option. Series 1510...

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Ball Screws feature rotating nuts.
Ball Screws and Nuts

Ball Screws feature rotating nuts.

Ball screws with rotating nuts are suitable for automated machinery that operates at high speeds. Nuts are offered in 16 x 30, 32 x 40, and 65 x 80 sizes. Any ball nut can be modified and converted into rotating nut, by adding precisely ground bearing seat on outside diameter, together with lock nut threads.

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Miniature Ball Screws utilize internal ball return technology.
Ball Screws and Nuts

Miniature Ball Screws utilize internal ball return technology.

Miniature Ball Screws provide 95% typical efficiency. Standard diameter starts at 4 mm, with 1 mm lead, and will include 6 mm and 8 mm diameters as well. Manufactured as both rolled and ground units, ball screws come in precision classes from ISO3 to ISO7 (0.012/300 mm to 0.050/300 mm). They have nylon wipers to protect from ingress of contamination. Units can be supplied with ends machined...

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Ball Screws are clean room compatible.
Ball Screws and Nuts

Ball Screws are clean room compatible.

Ball Screws are assembled, packaged, and nitrogen purged inside laminar flow, Class 10 clean room environment. They are lubricated, bagged, and sealed to eliminate contamination and enhance shelf life. Custom clean room hollow and telescoping screws can be designed and built, in addition to stainless steel and chrome plated assemblies. Inch and metric sizes are available with preloaded and...

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Heavy Load Ball Screw incorporates Caged Technology.
Ball Screws and Nuts

Heavy Load Ball Screw incorporates Caged Technology.

Available with diameters from 32 to 63 mm and leads from 10 to 20, Type HBN ball screw uses Caged Technology to act as reservoir for lubricants and eliminate need for external lubricating system. Ball screw achieves maximum of 130,000 DN. In heavy load durability tests (118 kN load, 48 mm stroke, 3.8m/min max travel speed), Type HBN performed 1,000,000 cycles without any problems.

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Double Nut Design stops errors caused by spacers.
Ball Screws and Nuts

Double Nut Design stops errors caused by spacers.

UNILOCK double nut design for large precision ground ball screws eliminates need for spacers or connecting hardware. Its method also eliminates backlash by using two nuts preloaded against each other and then locked using integral bonding system. With minimal number of parts, double nut eliminates angular errors in assembly of two nuts. UNILOCK system is available for ball screw diameters from 16...

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Ballscrews designed for high speed machine tools.
Ball Screws and Nuts

Ballscrews designed for high speed machine tools.

UltraSpeed series ball screws, available in 16 to 63 mm dia, enable speed ratings to dN = 160,000. With lead to diameter ratios from 0.5:1 to 1:1, linear velocities of 4,000 ipm are possible at acceleration of 2 g and higher. Ball return system uses precision ball deflectors to guide balls into return channel spanning whole nut length. Two-piece deflectors, precision milled from steel, minimize...

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