Worm Gear Screw Jack
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Catalog excerpts

Worm Gear Screw Jack - 2

In 1969, Joseph H. Nook Jr. founded Nook Industries, Inc., intent on becoming a global supplier of Linear Motion products. Ball screws, both rolled and ground, were the cornerstone products in the early 1970’s, putting Nook Industries on the map as a successful business and a trusted company. Through the years, Nook Industries has served as a leading manufacturer of engineered products. From the first ball screws to the latest technologies, Nook Industries strives to provide customers with high quality products and engineered solutions. Companies around the world depend on the quality...

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[gj)AfOOfC MISSION Pairing traditional and proven design with the latest technology, Nook Industries manufactures products that customers value. The expansion of product lines and the development of application specific components and engineered systems have propelled Nook Industries to the Nook Industries is committed to customer satisfaction and providing high-quality, high-value products that are delivered on time at a competitive price. MARKET SEGMENTS Factory Automation \l\IOOK PARTNERS

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QUALITY HISTORY Since 1969, Nook Industries, Inc. has relentlessly and continuously developed the capabilities and skills to deliver products of the highest quality. Knowledge of testing and design, coupled with this experience working with stringent customer requirements in aerospace, medical, energy and military applications has provided the background to be a reliable partner. INSPECTION CAPABILITY Laser Lead Measurement - Precise lead error gauging is utilized to validate processes to conform to Nook internal specifications and customer requirements. HIGH TECH QUALITY EXPERIENCE When...

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NOOK QUALITY EVOLUTION DEVELOPED MANUFACTURING SYSTEMS QUALITY TOOLS: • • • • • • • • Design for Six Sigma manufacturing D.O.E. (Design of Experiments) APQP (Advanced Product Quality Planning) DFMEA, PFEMA FEA (Finite Element Analysis) DVP&R (Design Verification Plan & Report) Reliability Testing Process validation to 21 CFR Part 82 (Medical Device) QUALITY SYSTEMS AND ACCREDITATIONS SUPPLY CHAIN APPROVAL PROCESS STATE OF THE ART MANAGEMENT SYSTEMS TESTING Efficiency Measurement - Nook Engineering has designed test machines to measure and validate screw assembly efficiency. APQP LAUNCH...

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Nook worm gear screw jacks are used in many military applications. NOOK PRECISION ACTUATORS

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WORM GEAR SCREW JACKS nookindustries.com The specifications and data in this publication are believed to be accurate and reliable. However, it is the responsibility of the product user to determine the suitability of Nook Industries products for a specific application. While defective products will be replaced without charge if promptly returned, no liability is assumed beyond such replacement.

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JACK MODELS ActionJac™ Worm Gear Screw Jack systems are ruggedly designed and produced in standard models with load handling capacities from 1⁄4 ton to 100 tons. They may be used individually or in multiple arrangements. There are no “standard” travel lengths and each Worm Gear Screw Jack is built to specification. The jack housings are made of ductile iron and proportioned to support the rated capacity of the unit. MJ, 1⁄4 ton, and 1⁄2 ton models have aluminum housings. Each ActionJac™ Worm Gear Screw Jack incorporates an alloy steel worm which drives a high strength bronze worm gear...

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STAINLESS STEEL SCREW JACKS METRIC TRAPEZOIDAL SCREW JACKS ActionJac™ Stainless Steel Machine Screw Jacks are ideal for use in demanding environments where corrosion resistance is required. All external components are manufactured from 300 Series Stainless Steel materials. These jacks use a stainless steel worm with a high strength bronze drive sleeve. Load capacities for Stainless Steel Machine Screw Jacks range from 1,300 to 23,000 pounds. For increased capacity, a 17-4PH hardened worm is available. WORM GEAR SCREW JACKS ActionJac™ Trapezoidal Screw Jacks utilize the same rugged design as...

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JACK CONFIGURATIONS TRANSLATING JACKS A translating jack has a lifting shaft that moves through the gear box. A nut is integrated with the worm gear such that the worm gear and nut rotate together. When the lift shaft is held to prevent rotation, the lift shaft will move linearly through the gear box to move the load. Upright Translating Ball Screw Jack Inverted Translating Ball Screw Jack This printing press application utilizes two upright translating ball screw jacks to set the proper gauge on the feed rollers. NOOK PRECISION ACTUATORS Upright Translating Machine Screw Jack Inverted...

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WORM GEAR SCREW JACKS ROTATING JACKS Upright Rotating Ball Screw Jack Upright Rotating Machine Screw Jack A rotating jack has a lift shaft that moves a nut as it turns. The lift shaft is fixed to the worm gear. This causes the load, which is attached to the travel nut, to move along the lift shaft. Inverted Rotating Ball Screw Jack Inverted Rotating Machine Screw Jack In this automobile lift, the linear motion is provided by two inverted rotating ball screw jacks. ONLINE nookindustries.com The specifications and data in this publication are believed to be accurate and reliable. However, it...

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JACK CONFIGURATIONS (continued) DOUBLE CLEVIS JACKS Double Clevis Jacks are used when it is necessary to move a load through an arc, such as tracking antennas, hinged doors or air dampers. Machine Screw and Ball Screw Jacks from 1 ton to 15 ton capacities can be supplied with double clevis mounts. One clevis is mounted on the end of the lift shaft and the other clevis is welded to a heavy duty stem cover, which is welded to the housing. Double clevis designs are available with optional accessories such as boots, motor mounts, right-angle reducers, motors, encoders and rotary limit switches....

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WORM GEAR SCREW JACKS The lift shaft of a translating style jack must be attached to something which prevents the lift shaft from rotating. If it is not, the lift shaft (and the load) will turn and not translate. A feature can be added to a machine screw jack to prevent lift shaft rotation. This type of jack is referred to as a “keyed jack” and is available in upright and inverted models. A keyed jack has a keyway machined along the length of the lifting screw. A matching key is fastened to the cover of the jack which will eliminate lift shaft rotation. The keyway in the Upright Keyed Ball...

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