Nexen Group, Inc.

Zero Backlash Brake targets indexing and positioning systems.
Mechanical Power Transmission

Zero Backlash Brake targets indexing and positioning systems.

With 85 ms engagement response time, Model I-300 provides high dynamic torque of 5,300 lb-in. for backlash-free holding and emergency stopping on indexers and positioning systems. Spring engaged, air released power-off brake connects to shaft with tapered, keyless locking devices. Patented braking element locks and holds shaft in position without any displacement upon engagement or reversing of...

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Flange Mounted Clutch-Brake has contamination preventing design.
Mechanical Power Transmission

Flange Mounted Clutch-Brake has contamination preventing design.

Targeting food-production machine builders, BISSC-approved FMCBE (Flange Mounted Clutch-Brake Enclosed) suits any environment where cleanliness is of primary concern.Â- Smooth nickel-plated finish resists corrosion; stainless steel, hex-head bolts do not have any exposed threads or sockets as to protect against bacteria build-up; and all machined mating surfaces are sealed with O-rings to...

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High-Torque Tooth Clutches drive/hold large loads.
Mechanical Power Transmission

High-Torque Tooth Clutches drive/hold large loads.

Size 80 and 100 high-torque tooth clutches, available as air-engaged, spring-released or spring-engaged/air-released models, include 45Â- versions in multiple bore sizes. Also available in flange- and pilot-mount versions, these nickel-plated, enclosed clutches are suited for use in wet or dirty environments. IP55 protection is ensured when equipped with rotary seals. At 80 psi,...

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Ring Drive System delivers up to ±30 ArcSec indexing precision.

Ring Drive System delivers up to ±30 ArcSec indexing precision.

Along with precision grade bearing and drive mechanism inÂ- sealed housing, Compact Ring Drive (CRD) system features freely programmable, 3-drive design configurations that allow optimization for speed, torque, or both according to application demands. Roller pinion technology with integrated bearing and motor/gearhead deliver rigid, smooth system with zero backlash options from...

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Servo Motor Brakes feature zero backlash design.
Mechanical Power Transmission

Servo Motor Brakes feature zero backlash design.

With Eclipse Servo Motor Brakes, no energy is consumed when brake is disengaged, unlike electrically released brakes that consume power continuously. Spring-engaged/air-released design keeps brake cool until it is needed and supports holding and E-stop applications. Supplied in square-shaped housing, brakes mount to shaft end of servo motors up to 20 hp, including NEMA 23, 34, and 42 frame sizes....

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Precision Ring Drive Indexer mounts in any orientation.
Communication Systems & Equipment

Precision Ring Drive Indexer mounts in any orientation.

Offering alternative to direct drive motors, PRD Precision Ring Drive Indexer can start and stop at any incremental position. Motion profile is easily changed by loading new servo drive program into system. PRD combines Roller Pinion System technology with precision-grade bearing and gearhead. Supported by high-capacity cross-roller bearing rated for loads up to 1,575 kN, table is capable of...

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Profile Rail Brakes provide high load-holding force.
Mechanical Power Transmission

Profile Rail Brakes provide high load-holding force.

Available in sizes from 15–65 mm, Generation II Profile Guide Rail Brakes provide fast engagement at 0.049–0.230 seconds andÂ- static holding force to 764 lb. Spring-engaged/air-released units offer stiffness and eliminate vibration in linear drives. Large clearance between brake and rail compensates for installation misalignment. With low backlash, maintenance-free brakes are suited for...

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Roller Pinion System yields up to 36 million meters of travel.
Communication Systems & Equipment

Roller Pinion System yields up to 36 million meters of travel.

With more than 99% efficiency and operational life up to 60 million pinion revolutions, Roller Pinion System offers linear positioning with zero backlash for high-precision motion control applications.Â- Pinion is comprised of bearing supported rollers that engage tooth profile. Each tooth profile is measured to ensure positional accuracy and eliminate cumulative error. Available in...

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High-Torque Servo Motor Brakes come in over 140 models.
Mechanical Power Transmission

High-Torque Servo Motor Brakes come in over 140 models.

Offered in NEMA 23, 34, and 42 frame sizes for servo motors up to 20 hp, Eclipse® spring-engaged, air-released, flange-mounted servo motor brakes offer torque from 2–125 Nm to provide responsive and dynamic stopping and holding power. Respective flange sizes and shaft diameters are 2.25–10.43 in. square and 0.25–1.89 in., and zero backlash design ensures accurate positioning. Able to...

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