They are capable of higher speeds and longer predictable life when compared to similar. Proper lubrication is the key to continued performance and reliability of acme screw assemblies. There are no standard travel lengths and each Worm Gear Screw Jack is built to specication. Ball Screw (PMBS) Torque Calculator. Configure Product Specifications. Screw Jack. 5 inch lead and ±0. Standard Rolled Thread Ball Screw (commercial or transport type) Offer the low friction advantage of antifriction screws at lower cost. 108. Other materials, such as stainless steel, can be provided upon request. Machine screw jack: The worm wheel acts directly on the lead screw. 250. Should a standard assembly not fit the application, Nook can machine the screw to your specific design requirements. Duff-Norton: Intelligent Motion Technology. Keyed Screw Jack; Rotating Screw Jack; Translating Screw Jack; Anti-Backlash Machine Screw Jack; Double Clevis Screw Jack; Electric Cylinder Engineering Resources; Electric Cylinder Design Considerations; Electric Cylinder Definitions and Terms; Modular Linear Actuator Applications; Screw Jack Finishes; Ball Screw Jack Reference Number65. ActionJac Worm Gear Screw Jack systems are ruggedly designed and produced in standard models with load handling capacities from 14 ton to 100 tons. 044. Ball screws, both rolled and ground, were the cornerstone products in the early ‘70s, putting Nook Industries on the map as a successful business and a trusted company. Featuring a chic, compact design, the DALI KATCH ONE features no fewer than 10 built-in drivers, perfectly matched with a powerful 4x 50W amplifier. Inverted translating keyed ball screw jacks are supplied with a device that prevents rotation of the lift shaft. The design template forms below can be submitted to assist us in designing a complete screw jack system based on your exact needs. If using flex type couplings, full-flex couplings should be used for close coupled arrangements. Metric Upright Rotating Machine Screw Jacks - 5 kN to 200 kN. Skip to Content (800) 321-7800. Eight Jacks. 0. Linear motion applications utilizing a ball screw, or an acme screw require this screw end machining to be matched with precision bearing mounts. 2760. 000. With soft dome tweeters keeping sound clean. Specs Configure/Quote. Per NFPA-79All units include the capacity to work with ActionJac™ limit switches, or custom supplied mechanical limit switches. 7460. The keyway in the screw causes greater than normal wear on the internal drive sleeve threads, somewhat reducing jack life. 12. The calculator takes the input shaft speed and the torque required for a given load and derives the amount of horsepower or kilowatts expended. EZM-3045. Nook Jr. Helpful and easy to use Screw Jack Resources including engineering calculators, design tools, glossary, definitions and much more. Inch Worm Gear Machine Screw Jack, Double Clevis, 5 Ton Capacity, 24:1 Gear Ratio Read More Product Specifications. We manufacturer our own acme/ball-screws in-house. 4142 alloy steel link shafts (more tensile strength and hardness). Dropping Point [°F]: 550 NLGI Grade Number: 2 Oil Viscosity cst @ 40° C: 96 Oil Viscosity cst @100° C: 11. See the PowerAc™ technical data on pages 54-59 for additional screw and nut details. Automation applications for Nook linear motion products. Screw shaft is medium carbon induction hardened alloy steel. When using handwheels with a jack that can backdrive (12:1 and lower) an additional locking mechanism may be required to prevent “creep. For most horizontal applications, Nook recommends the use of an electric. 000" Lead, RH Thread, Inch Ball Nut, for SRT, Standard Accuracy, No Preload, SBN, Standard, Double Circuit Read More Product SpecificationsEnd Bearing Support. NLGI Grade Number. 285. Since our beginning in 1883, Duff-Norton has earned a reputation for manufacturing reliable, high quality products meeting the industrial lifting, positioning and transfer needs of our worldwide customers. They are designed to be ready to install directly into any industrial or commercial application. More Details. Performance Specifications. Learn about the features, specifications, and applications of Nook's screw jacks in this comprehensive catalog. Worm Gear Screw Jack Home Page. Upright Rotating - 1/4 Ton to 100 Ton. Specs Configure/Quote. A Uprighted translating jack has a lifting shaft that moves through the gear box. 93165. An upright translating ball screw jack has a lifting shaft that moves through the gear box. PowerAc™ Inch Acme screws and nuts include a centralizing (C) thread form to prevent wedging and binding. Precision-rolled ball screws have long been a hallmark of Nook Industries, and the latest innovations from Nook Industries are Precision Metric Ball Screws (PMBS™). Nook Industries manufacturers linear motion solutions including, precision ball screw, acme screw, screw jack, linear actuator, and electric cylinder products. The calculator takes the input shaft speed and the torque required for a given load and derives the amount of horsepower or kilowatts expended. WORM GEAR SCREW JACKS. 23. The ball screw and nut are made from hardened alloy steel with hardened bearing balls carrying the load between nut and screw. Double bearing supports use a Type 3N, 3L and 3K. Anti-backlash Machine Screw Jacks minimize backlash, but should not be used to completely eliminate backlash. Enter the Nook part number and quantity in the comments field below, or complete the appropriate Application Data Form for your application and a Nook representative will contact you shortly. self drill screws（tek screw） 钻尾螺丝（mm） s/d/s: 8: h: self drilling screws: 澳洲钻尾螺丝: self drilling screws: 9: i: bolts: 螺栓: bolt: 10: j: drywall screws: 澳洲墙用螺丝: drywall screws: 11: k: self tapping screws: 澳洲攻牙螺丝: self tapping screws: 12: l: self drill screws（tek screw） 钻尾螺丝（in. Collaborate with one of our technical experts on the specifics of your application to ensure the ideal product fit that best meets your performance requirements and budget. Nook Industries: Actionjac Worm Gear Screw Jacks. com. Typically used as actuators, they run at higher speeds than Acme screw jacks. Ball Screw Jacks. 90. In the event spare or re-pair parts are required, call your local rep-resentative or contact Nook/Thomson at (216) 271-7900 or 1 (800) 321-7800. Prime-Line. Jack Screws. When the lift shaft is held to prevent rotation, the lift shaft will move linearly through the gear box to move the load. Supply voltage: +5 to 24 Volts. Noise levels may increase at higher speeds. 12. LinkJac™ is available in either steel Line Shafting available in standard lengths up to 144”, or in aluminum. These jacks use a stainless steel worm with a high strength bronze drive sleeve. Double Reduction Electric Cylinder, With Ball Screw, Heavy Duty, 10000 lbs. The lift shaft extends out from the bottom of the worm screw jack. 667. 50. Tight collaboration between design engineers, quality engineers, and manufacturing engineers. More Details. 00. 25. Rolling surfaces are heat treated to a surface hardness not less than 56 HRC with a case depth suitably chosen to carry the load. Nook recommends the. It has a compression load range of 18,000 lbs. When compared to general-purpose thread forms (G), centralizing threads. 7460. Universal Single Bearing Mounts use a single radial bearing, which supports the linear screw radialy. While many factors are involved in the selection of a specific lead screw assembly, lead screw sizing — choosing the right diameter and lead for the application — can be done in four simple steps. , intending to become a global supplier of Linear Motion components. Type 6K, End Code 30. Nook PREMIUM WORM GEAR SCREW JACKS – EXTREME DURABILITY AND PERFORMANCE Nook ActionJac jack systems are ruggedly designed to perform with confidence in the most extreme conditions. Rolling surfaces are heat treated to a surface hardness not less than 56 HRC with a case depth suitably chosen to carry the load. 76 products. In the event of a ball nut failure prevents the structure from falling in an inadvertent failure. Lead accuracy of ±0. , Nook is a manufacturer and supplier of premium linear motion solutions with a strong presence in the Greater Cleveland community. info . When the lift shaft is held to prevent rotation, the lift shaft will move linearly through the gear box to move the load. Our small diameter screws are available in both alloy and stainless steel. Keyed Screw Jack; Rotating Screw Jack; Translating Screw Jack; Anti-Backlash Machine Screw Jack; Double Clevis Screw Jack; Electric Cylinder Engineering Resources; Electric Cylinder Design Considerations; Electric Cylinder Definitions and Terms; Modular Linear Actuator Applications; Screw Jack Finishes; Ball Screw Jack Reference Number In this video, Scott Sterling of Nook Industries talks with Lisa Eitel of Design World about the fundamental operation and use of worm screw jacks. All external components are manufactured from 300 series Stainless Steel materials. 307. Screw Jack Finishes; Ball Screw Jack Reference Number; Machine Screw Jack Reference Number; Stainless Screw Jack Reference Number; Metric Machine Screw. Linear Actuators for Automated Packaging;. [in] Screw lead [in] Max input [hp] Load capacity [tons]Move the carriage manually toward the non-driven end. founded Nook Industries, Inc. Typically used as actuators, they run at higher speeds than Acme screw jacks. Nook Modular Linear Actuators are flexible positioning systems made of self-supporting and wear resistant aluminum profiles. A nut is integrated with the worm gear such that the worm gear and nut rotate together. e. Nook will continue to focus on customer solutions, people, products, and processes. Where standard ends do not satisfy the application requirements, special ends may be machined to customer specifications. Actuators can be used individually or in multiple jack arrangements for a larger mechanical system. Quotes; Order and Shipments. Inch Worm Gear Ball Screw Jack, Upright, 2 Ton Capacity, 6:1 Gear Ratio, Screw Lead 0. 22 products. Specs Configure/Quote. An integrated nut and Bevel Gear rotate together. Product. The Ellis 6x6 Screw Jack attaches to 6x6 lumber and provides 6" adjustment for building a fast and reliable adjustable support. Slide the ball nut and arbor over the taped journal surface and roll the ball nut onto the screw, making sure not to displace any. A boot protects the lifting shaft from contamination and helps retain lubricant to ensure long jack life. Trapezoidal Acme Screw and Nut. Screw Jack Technology ActionJac™ screw jack systems are ruggedly designed and produced in standard models with load-handling capacities from 1⁄4 to 100 tons. A translating jack has a lifting shaft that moves through the gear box. Convert drum openings with metric or BSPP threads to a 2 NPT pipe size. (99) $49. Type 2K, End Code 105. Specs Configure/Quote. 285. 11941. Avoid getting metal chips in the nut when drilling. Middle Foot. Standard boots are sewn from black neoprene-covered nylon fabric for oil, water and weather resistance. Typically used as actuators, they run at higher speeds than Acme screw jacks. Utilizing the principles of Lean Manufacturing, 5S, and Six Sigma, we are vertically integrated to ensure product quality, cost efficiency, and delivery. A 10-ton jack was selected for the mounting condition to fulfill the safety requirements of the application. 3kN to 117kN. Nook Industries; Archive. After removing the dining booth from their motorhome, RV owners Eric and Katie built this incredible combination entertainment center, dining table, desk, and fireplace. Nook, Jr. Machine screw jacks = 25% (75% time off) The ability of the jack to dissipate the heat that builds during operation determines duty cycle. When the lift shaft is held to prevent rotation, it moves linearly through the gear box to move the load. 12kN to 76 kN. Modular linear actuators can be used as a single axis solution or assembled for a multitude of gantry XY and XYZ positioning duties including inspection,. With this solution, the customer could also save much needed space by positioning the motor under the machine. Nook Industries Offers the largest selections of rolled amce screw sizes in the industry. 50. 3kN to 117kN. 3 Quick Screw Jack Applications - Food Industry; 8 Design Considerations for. 000. The rapid, precision capability of the 2R-BSJ-U ball screw jack allowed for fast and easy changeover for different product dimensions. Nook Bevel Gear Screw Jack systems are ruggedly designed in standard models with load handling capacities from 12. Preloaded NRS, Non Preloaded NRS, and NRS materials available. All Product Categories. Torque to Raise 1 lb. Hillman. Machine Screw Jack Home Page 4950 East 49th Street , Cleveland , Ohio 44125 Tel: (216) 271-7900 or (800) 321-7800Inch Ball Screw AssemblyStandard Accuracy Rolled Inch Ball Screw, SRT, 1. 106. ActionJac™ Worm Gear Ball Screw Jacks use a ball screw and nut made from hardened alloy steel with hardened bearing balls carrying the load between nut and screw. 000. Specs Configure/Quote. After assembly of the flange to the nut, spot drill the nut threads through the flange and install a dog point set screw from the flange O. 1. 4142 alloy steel link shafts (more tensile strength and hardness). Inch Worm Gear Machine Screw Jack, Upright Rotating, 2 Ton Capacity, 24:1 Gear Ratio Read More Product Specifications Collaborate with one of our technical experts on the specifics of your application to ensure the ideal product fit that best meets your performance requirements and budget. 667. YSCRW. Torque to Raise 1 lb. Upright Translating Inch Machine Screw Jacks - 1/4 Ton to 100 Ton. [in-lb] Lifting Screw Diameter [in] Screw Lead [in] Maximum Allowable Input [hp] Maximum Input Torque [in. They may be used individually or in multiple arrangements. Screw Jack Definitions and Technical Data; Keyed Screw Jack; Rotating Screw Jack; Translating Screw Jack; Anti-Backlash Machine Screw Jack; Double Clevis Screw Jack; Electric Cylinder Engineering Resources; Electric Cylinder Design Considerations; Electric Cylinder Definitions and Terms; Modular Linear Actuator Applications; Screw Jack FinishesNRS High Strength Materials. A nut is integrated with the worm gear such that the worm gear and nut rotate together. Details. Founded in 1969 by Joseph H. Middle Foot. Product. Bellows boots are available for all sizes and configurations of ActionJac™ Worm Gear Screw Jacks. In this automobile lift (See Image Below), the linear motion is provided by two inverted rotating ball screw jacks. View Models. ActionJac 2SS-MSJ-UR 6:1. Rollers and nut are high-grade bearing steel. Part Number. Screw Jack Definitions and Technical Data; Keyed Screw Jack; Rotating Screw Jack; Translating Screw Jack; Anti-Backlash Machine Screw Jack; Double Clevis Screw Jack; Electric Cylinder Engineering Resources; Electric Cylinder Design Considerations; Electric Cylinder Definitions and Terms; Modular Linear Actuator Applications; Screw Jack Finishes 12. Nook’s ball screw actuators enable faster speeds (instantaneous force) to provide a more energy efficient system, with fewer components. Consult NOOK INDUSTRIES's entire Lead screw assemblies catalogue on DirectIndustry. Standard model capacities from 1/4 ton to 100 tons. The mechanical jack is a simple device. Please provide the following information when re - questing spare/repair parts: • Jack Size & Type Designation (i. The lift shaft is fixed. , 2- BSJ) • Serial Number & Year of Manufacture Nook has a fully integrated manufacturing facility (all operations under one roof). 7. Type 6K - Driven Support End with Keyway. Twin-Lead ball screw assemblies can be assembled with Nook, PowerTrac™ ball nuts, flanges and EZZE-MOUNT™ bearing supports to form cost effective systems. Nook screw jacks offer the ability to lift, position, hold and support loads in a variety of industrial applications. 5-year warranty on 20 ton jacks. (“Nook”), these Terms and Conditions apply to any purchase of goods or services by Nook from a. A screw jack may incorporate a machine cut lead screw or a rolled or ground ball screw in order to transfer rotational energy in to linear energy. 004” per foot lead ball screw jacks or belt/chain driven jacks contact Nook Industries for. ELECTRIC CYLINDER - RAD (3,500 to 40,000 lbs. 5022. 12. For convenience SRT screws can be supplied completely machined and assembled with nuts, flanges, wipers and EZZE-MOUNTS ready for assembly to your product. Screw Jack Definitions and Technical Data; Keyed Screw Jack; Rotating Screw Jack; Translating Screw Jack; Anti-Backlash Machine Screw Jack; Double Clevis Screw. JACK MODELS. Lag screws are self-tapping screws that meant to be applied with a wrench or socket. Material: Nook Bronze; Tensile Yield: 50,000 psi; Tensile Ultimate: 65,000 psi; Hardness: HB75;1. A lift shaft moves through the gear box. 23. Setup and maintenance information for Nook linear motion products including ball screw, acme screw, linear actuator, electric cylinder and guidance lines. Over 50 years of American manufacturing. Removable expanders have smaller jackscrews that achieve less expansion, usually 3 to. These jacks will provide excellent performance and reliability in the average indoor industrial facility with a dry environment and an operating temperature of 32oF (0oC) – 180oF (82oC). Nook linear motion systems are designed to perform reliably in tough, continuous operation conditions. Also in t. 99. ActionJac models are ruggedly designed and produced in standard styles with load-handling capabilities from ¼ to 100 ton and can be used individually. Please provide the following information when re - questing spare/repair parts: • Jack Size & Type Designation (i. 106. A Uprighted translating jack has a lifting shaft that moves through the gear box. acme screws and nuts include a centralizing (C) thread form to prevent wedging and binding. #161-0124-2. 1. Screw Jack Engineering Resources. ActionJac™ Worm Gear Screw Jacks can be ordered with industrial quality induction motors. Load capacities for Stainless Steel Machine Screw Jacks range from 1,300 to 23,000 pounds. RH. Nook Product Catalogs and Literature. Design a safe and effective screw jack system with this helpful information. Proper lubrication with E-100 spray lube or PAG-1 grease must be. 3 kN to 117 kN. It can also back-calculate either the torque or the speed resulting from a particular power requirement. Nook Tablet Repairability Score: 6 out of 10 (10 is easiest to repair). 12. 2760. A nut is integrated with the worm gear such that the worm gear and nut rotate together. 000. Page: 1/78. Inverted Rotating - 1/4 Ton to 100 Ton. WORM GEAR SCREW JACKS The lift shaft of a translating style jack must be attached to something which prevents the lift shaft from rotating. 2 Jacks. Upright Rotating - 1/4 Ton to 100 Ton. Get Technical Support. . Configurations include parallel or inline with motor mounts and single or double gear reductions. 321. 50. The rigid half should be mounted on the floating shaft. NOTE: Handwheels do not include a brake and therefore are not for use with ball screw jacks. Quotes. 30. E-900 will provide a lasting film for wear protection and resistance to corrosion. Specs Configure/Quote. These jacks use a stainless steel worm with a high strength bronze drive sleeve. 6. The rolled acme thread Nook Industries has the capability to manufacture long screws for drive sleeve thread and the lifting screw thread to be controlled by screws used in our machine screw jacks have a typical lead accuracy special applications, limited only by the availability of raw materials. MBN Metric Standard Accuracy Ball Nut offers durable, low cost linear motion. 1mm). Open the catalog to page 1. Product Info. The Duff-Norton team is dedicated to engineering and customer service excellence. Similar in construction and materials to PowerAc™ Inch Acme Screws and Nuts, the Trapezoidal thread form has been enhanced to include a centralizing thread form to prevent wedging and binding. When annealing is applied to the end of the ball screw for. D. Inch Worm Gear Ball Screw Jack, Upright Rotating, 10 Ton Capacity, 24:1 Gear Ratio, Screw Lead 0. NRS NOOK PLANETARY ROLLER SCREWS NRS 8x2. Acme Screw Lubricant Spray Can. To order a twin-lead cut to a custom length and/or with machined ends, select a size from the chart below, determine OAL, LH and RH thread length, nut, flange and, if required, EZZE-MOUNT™ bearing support. A drive. C-Face. 45 inches per second and the horsepower per jack will be sufficient to lift the load. D. Metric Planetary Roller Screw Assembly One Piece Cylindrical Nut. Add a flat mounting surface to a ball screw jack to support loads. If motor clearance is an issue, a right angle reducer may be added to most jacks. 8800. They may be used individually or in multiple arrangements. 30. The rod overall measures 17-3/4-inches long x 1-inch diameter. Upright Translating - 1/4 Ton to 100 Ton. Skip to Content (800) 321-7800; Start Your Project; Wish List; Login. Linear Motion Systems & Solutions. Configure a complete system with a multitude of accessories including ball nuts, acme nuts, linear bearings, end supports, and custom end machining. CC Linear Actuator. Specs Configure/Quote. 32621. When the lift shaft is held to prevent rotation, the lift shaft will move linearly through the gear box to move the load. Metric Inverted Rotating Machine Screw Jacks - 5 kN to 200 kN. RH. Hex Jackscrews. The lift shaft extends out from the top of the worm screw jack. 4150. Joyce configures jacks with components such as motors, gear reducers, shafting, coupling, and motion control devices to create complete multi-jack. This rolling action reduces friction between the nut and the screw. Specs Configure/Quote. 12. Exhibit with us {{>currencyLabel}} Back {{>currenciesTemplate}} English. 5 Ton Capacity, 12:1 Gear Ratio, Screw Lead 0. The patented design allows users to install and adjust sensors on a single screw jack and integrate easily with a motion control system. Use a right angle reducer. Detailed temperature and material characteristics for all of of Nook product lines. Load capacities for Stainless Steel Machine Screw Jacks range from 1,300 to 23,000 pounds. Double Clevis Jacks are used when it is necessary to move a load through an arc, Nook Industries – Linear Screws, Actuators, Jacks. Nook offers our customers a wide selection of screw jack accessories that allow you to develop a complete system from a single source. 105. Talk to an Engineer. Rolled thread screws are cost effective and are stocked for quick delivery. 11941. Nook E-900 Ball Screw Lubricant may be applied with a cloth or spray. Specs Configure/Quote. 50. Anode jacks are able to withstand extreme environmental factors, such as high ambient temperatures in excess of 200 degrees and the close proximity of abrasive materials. An upright rotating ball screw jack has a lift shaft that moves a nut as it turns. 4 Jacks. 7020 | email: nook@nookind. Bellows boots are available for all sizes and configurations of ActionJac™ Worm Gear Screw Jacks. When a Ball Screw Jack is motorized, less horsepower is required than an equivalent size Machine Screw Jack. Specs Configure/Quote. Learn about the features, specifications, and applications of Nook's screw jacks in this comprehensive catalog. A matching key is fastened to the cover of the jack which will eliminate lift shaft rotation. As a manufacturer of lead screws, Nook Industries stocks a wide selection of inch and metric ball, acme and trapezoid screws in long lengths. 24 allowable input torque values. Journal Typically Used With Multiple Sets of Bearings or Compact Double Bearing EZZE-Mount. 00. Rotating screw jacks may be assembled with a larger diameter lift screw for greater column strength. DB25. Place around a hex head screw or nut and attach wire to prevent it from loosening. An Anti-backlash Machine Screw Jack allows the lash between the drive sleeve thread and the lifting screw thread to be controlled by adjusting the top cover of the jack. 8. The shafts transfer the torque from the motor to the jack or from jack to jack. 20. into the nut O. RH. 20 In Stock. Testing at Nook's facility shows comparisons of different 5 ton screw jacks. Contact Information. Align the bottom portion of the battery to the appropriate connectors and push in the battery. Make sure the tape is clean and smooth, and to the correct diameter allowing for proper transfer of ball nut onto the threaded portion of the ball screw. SCREW JACKS Nook offers a complete line of standard and custom engni eered bal sl crew and machni e screw actuators for applications from 1/4 ton up to 100 tons. A nut is integrated with the worm gear such that the worm gear and nut rotate together. C-Face. Do you need a reliable and versatile jack system for your lifting, lowering, pushing or pulling applications? Check out the Nook Jack Catalog, a comprehensive guide to the various types and models of screw jacks, ball screw jacks, bevel gear jacks and accessories offered by Nook Industries, a leading manufacturer of linear motion systems and solutions. Type 4K End Code 60. After assembly of the flange to the nut, spot drill the nut threads through the flange and install a dog point set screw from the flange O. When compared to general-purpose thread forms (G), centralizing threads. When the lift shaft is held to prevent rotation, the lift shaft will move linearly through the gear box to move the load. All high bevel gear screw jacks are equipped with. When the lift shaft is held to prevent rotation, the lift shaft will move linearly through the gear box to move the load. Using our professional services will help you be more competitive on the market and it will save you time. They are very strong, and are meant for a wide variety of materials. Depending upon which jack model is pur-chased, the lifting screw is made of 4140 heat treated steel, 304 or 316 stainless steel, or a special alloy. Higher speeds are permissible at lower torque ratings. Joyce/Dayton screw jacks and lifting systems offer wide-ranging lifting and positioning solutions for diverse industries. 00. Metric capacities are also available from 5 kN to 200 kN. The rigid half should be mounted on the floating shaft. Our robust jacks reliably move and accurately position loads up to 250-tons. 4. A nut is integrated with the worm gear such that the worm gear and nut rotate together. The nut and shaft are sold separately. A rotating jack has a lift shaft that moves a nut as it turns. Nook Industries has always been a leader in developing high quality linear motion components and systems to meet the ever increasing demand for precision linear motion. 60. Larger bearings and drive sleeve for durability. Download Printable Worm Screw Jack Form. Video instructions for adjusting Nook Industries Machine Screw Jack Anti-backlash settings. Linear Actuators for Automated Packaging; Optimizing Diagnostic Laboratory. Specs Configure/Quote. 2. Nook Jr. Metric upright translating Machine Screw Jacks - 5 kN to 200 kN. Assembly a standard ball nut onto a machined ball screw must be done with care to insure proper loading of the ball nut. In certain circumstances, the ball nut. In the event spare or re-pair parts are required, call your local rep-resentative or contact Nook Industries at (216) 271-7900 or 1 (800) 321-7800. Turns of Worm Per Inch Travel. Twin-lead ball screws can be used in molding machines, packaging equipment, food processing machinery, robotics, material handling equipment, tire manufacturing and. 25" Read More Product SpecificationsMore Details. Jack Post can adjust from a 1 ft. The PowerTrax™ line of. Assembly a standard ball nut onto a machined ball screw must be done with care to insure proper loading of the ball nut.