Nook Industries offers worm gear screw jack systems that can be used individually or in multiple arrangements. Add a flat mounting surface to a ball screw jack to support loads. Short Journal Typically Used With Single Bearing or Single Bearing EZZE-Mount. , intent on becoming a global supplier of Linear Motion products. NOTE: Handwheels do not include a brake and therefore are not for use with ball screw jacks. The rigid half should be mounted on the floating shaft. In this automobile lift (See Image Below), the linear motion is provided by two inverted rotating ball screw jacks. Micro-D: Female Screwlock:Page <1> 08/02/21 V1. . Load capacities for Stainless Steel Machine Screw Jacks range from 1,300 to 23,000 pounds. Single Jack. Specs Configure/Quote. Quotes; Order and Shipments. 0. With this solution, the customer could also save much needed space by positioning the motor under the machine. 4 Jacks. Nook Industries has the capability to manufacture long screws for special applications, limited only by the availability of raw materials. Product Info. Screw Jacks - Ball. 32621. com • Manufactured by thread rolling, milling, or grinding • Centralizing thread forms for long lasting smooth, no-wedging performance ACME ScrewsThe Tiger Brand Jack Post Super "S" 3 ft. This rolling action reduces friction between the nut and the screw. Machine Screw Jack, Anti-backlash Adjustment Video; Belt Carriage Alignment Video;Wrap tap over the machined journal to increase its diameter. Need Help with a Linear Motion Design? Collaborate with one of our technical experts on the specifics of your application to. When a Ball Screw Jack is motorized, less horsepower is required than an equivalent size Machine Screw Jack. 50. Nook Screw Jacks Demonstrate Lower Operating Temperature Over Time. Screw terminals accommodate wire sizes from 16AWG to 26AWG. Back;. Gear Screw Jack. Programmable actuators are supplied with either a ball screw or acme screw. The rapid, precision capability of the 2R-BSJ-U ball screw jack allowed for fast and easy changeover for different product dimensions. Precision-rolled ball screws have. Nook screw jacks offer the ability to lift, position, hold and support loads in a variety of industrial applications. 2760. at its highest setting. Nook offers our customers a wide selection of screw jack accessories that allow you to develop a complete system from a single source. Specs Configure/Quote. Translating Screw Jack. Open the catalog to page 1. The PowerTrax™ line of. Miniature Metric Precision Ball Screws provide an efficient, cost-effective linear motion solution in a small package. 4150. Skip to Content (800) 321-78003 Quick Screw Jack Applications - Food Industry; 8 Design Considerations for Screw Jack Systems; Ball Screw Design - Safety Considerations. Jacks can be supplied with special pitch lift screws to change the jack operating speed. There is no industry standard that classifies a ball screw as “miniature". 11941. 0. This allows us to tightly control and coordinate all aspects of new product development and implementation including design, manufacturing and supply chain, and quality. 3 Quick Screw Jack. Screw Jack Home Page, Ball Screw Jack Home Page, Machine Screw Jack Home Page 4950 East 49th Street , Cleveland , Ohio 44125 Tel: (216) 271-7900 or (800) 321-7800Explore automation applications for Nook solutions including precision ball screw, acme screw, screw jack, linear actuator, and electric cylinder products. Lubrication intervals for the lift shaft of Machine Screw models are determined by the application. Skip to Content (800) 321-7800; Start Your Project; Wish List; Login. Lag screw: Image credit: MyWord. The 2R-BSJ-U was specially configured for seamless. 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. 20 In Stock. Please note that screws over 100 inches will require a shipping method suitable for freight. Proper lubrication is the key to continued performance and reliability of acme screw assemblies. 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 Double clevis jacks used horizontally will have reduced column strength and life. Low-friction ball bearings allow these screw jacks to use half the power required by an Acme screw jack to lift the same load. Gear Screw Jack. 50. Open the catalog to page 1. 400. Nook Bronze Proprietary: Ball Screw: 4150 Case Hardened: Ball Nut: 1117/8620 Hardened Steel: 4950 East 49th Street. " American Restaurant in. Nook HG hardened and ground shafting is manufactured for use with precision linear bearings and other applications requiring an accurate, round, hardened shaft or guide rod. 5 Ton Capacity, 12:1 Gear Ratio, Screw Lead 0. Torque to Raise 1 lb. Horsepower Kilowatt. 285. Two magnets are secured to the end of the lift shaft to ensure a positive response once it passes near the position sensor. Choose from our selection of precision Acme lead screws and nuts, Acme lead screws and nuts, metric precision lead screws and nuts, and more. Skip to Content (800) 321-7800; Start Your Project; Wish List; Login. Configure a complete system with a multitude of accessories including ball. founded Nook Industries, Inc. 70660. 50. Skip to Content (800) 321-7800. 473" Read More Product Specifications3 Quick Screw Jack Applications - Food Industry; 8 Design Considerations for Screw Jack Systems; Ball Screw Design - Safety Considerations; Evolving Planetary Roller Screw Applications;. The screw and nut assemblies are made of hardened. See 4 photos and 6 tips from 109 visitors to The Breakfast Nook. 140. for ball screw, acme screw, screw jack and linear actuator products. Ball Screw Assembly - Flanged Nut. Inverted translating keyed ball screw jacks are supplied with a device that prevents rotation of the lift shaft. For convenience SRT screws can be supplied completely machined and assembled with nuts, flanges, wipers and EZZE-MOUNTS ready for assembly to your product. 24 allowable input torque values. Screw Jack. If using flex type couplings, full-flex couplings should be used for close coupled arrangements. More Details. Over 50 years of American manufacturing. Food & Beverage applications for Nook linear motion products. 106. The matched components used in our easy to order Linear Guidance solutions result in better system performance with reduced setup and alignment time. 45 x 5 mm Black Oxide Coated Steel Class 12. 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. Standard model capacities from 1/4 ton to 100 tons. An upright translating ball screw jack has a lifting shaft that moves through the gear box. They may be used individually or in multiple arrangements. Move the carriage manually toward the non-driven end. Nook Screw Jacks Worm Gear Screw Jacks Superior flexibility and strength for your linear motion applications Ruggedly designed with load capabilities from ¼ to. Ball screw jacks include ball nuts that are about 90% efficient so the jacks require much less energy to lift an equal load than their machine screw jack counterpart. Double Clevis Jacks are used when it is necessary to move a load through an arc, Nook Industries – Linear Screws, Actuators, Jacks. Details. 050 series D-type connector) Available with Male or Female, vertical or right angle connectors. Synthetic. Noise levels may increase at higher speeds. 271. INCH AND METRIC WORM GEAR SCREW JACK MODELS. Inverted Rotating - 1/4 Ton to 100 Ton. Worm Gear Screw Jack systems are ruggedly designed and produced in standard models with load handling capacities from 1/4 ton to 100 tons with no "standard" tra. Typically used as actuators, they run at higher speeds than Acme screw jacks. Place around a hex head screw or nut and attach wire to prevent it from loosening. Machine screw jacks = 25% (75% time off) The ability of the jack to dissipate the heat that builds during operation determines duty cycle. 99. The ball screw and nut are made from hardened alloy steel with hardened bearing balls carrying the load between nut and screw. Jack Square Laminate Table Top with Round Table Height Base. Please provide the following information when re - questing spare/repair parts: • Jack Size & Type Designation (i. Inverted Translating Steel Machine Screw Jacks - 2/3 Ton to 12 Ton. Micro-D: Screw: 2-56 CAPTIVE SCREW: 160-580-Y. Consult NOOK INDUSTRIES's entire Lead screw assemblies catalogue on DirectIndustry. 75. Removable expanders have smaller jackscrews that achieve less expansion, usually 3 to. It is modified to support the high temperature loads found in the aluminum smelting industry. Bellows boots are available for all sizes and configurations of ActionJac™ Worm Gear Screw Jacks. When the lift shaft is held to prevent rotation, the lift shaft will move linearly through the gear box to move the load. 07. Lag screws are self-tapping screws that meant to be applied with a wrench or socket. The nut and shaft are sold separately. An inverted rotating ball screw jack has a lift shaft that moves a nut as it turns. Save money with world's high quality and low price products made by Nook Industries. Average temperature over 5000, 10,000, and 15,000 cycles. Specs Configure/Quote. 12. Use a right angle reducer. 5-year warranty on 20 ton jacks. Rotating screw jacks may be assembled with a larger diameter lift screw for greater column strength. The Flange Mount allows for perpendicular mounting with respect to the axis of rotation. Nook Machine Screw Jacks and Ball Screw Jacks offer the ability to lift, position, hold and support loads in a variety of industrial applications. 2 Jacks. The NSS is designed to allow easy field adjustments. Helix's existing in-house end-machining capabilities are an excellent fit for new ball screw customers. 13 inches. This printing press application (See. 1 Ton to 10 Ton Moves a load through an arc, such as tracking antennas, hinged doors or air dampers. 125 with Nook Lubricant; Acme Screw Home Page. This application’s infrequent cycles make an ACME screw jack the best fit. Double bearing supports use a Type 3N, 3L and 3K. Nook Industries Offers the largest selections of rolled amce screw sizes in the industry. RA Reducers. 120. When the lift shaft is held to prevent rotation, the lift shaft will move linearly through the. 000. WORM GEAR SCREW JACKS INCH MACHINE SCREW JACKS 312-332 TECHNICAL INTRODUCTION 264-273 • Quick Reference Chart 314-315 • Glossary and Technical Data 264-271 • Column Strength Chart 316 • Application Example 272 • Reference Number. Load capacities for Stainless Steel Machine Screw Jacks range from 1,300 to 23,000 pounds. 12. Food & Beverage applications for Nook linear motion products. See attached pdf. Machine Screw Jack Home Page. 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. Planetary Roller Screws are remarkable devices designed to convert rotary motion into axial. 2 Jacks. Except as otherwise expressly provided in a writing signed by an officer of Nook Industries, Inc. 95. 2 x 2 furring strips (to build the support frame); 3/4″ x 2ft white oak plywood (for the desk top); 1x 3 select pine (for the desk front); 3 inch wood screws (to attach support frame to the studs) (2) 2 x 10’s (for the wall shelves) 4 boxes of 1. Machine screw jack: The worm wheel acts directly on the lead screw. When the lift shaft is held to prevent rotation, the lift shaft will move linearly through the gear box to move the load. RH. 12. Specs Configure/Quote. Standard stocked inch precision ball screws have a lead accuracy tolerance and are supplied with internally preloaded nuts which must be factory assembled. Gear Ratio. 0. 5. Inch Worm Gear Machine Screw Jack, Upright Rotating, 5 Ton Capacity, 24:1 Gear Ratio Read More Product SpecificationsNook Industries manufacturers linear motion solutions including, precision ball screw, acme screw, screw jack, linear actuator, and electric cylinder products. Nook Product Catalogs and Literature. PMT Precision Rolled Ball Screw are manufactured under tightly controlled conditions in the rolling process. 12. Inch standard accuracy ball nuts from Nook are offered with Easy-loc and adjustable preload ball nuts. A nut is integrated with the worm gear such that the worm gear and nut rotate together. Specs Configure/Quote. to bill Buyer, and Buyer agrees to pay, prices prevailing at the time of shipment. Ball Screw Jack Home Page 4950 East 49th Street , Cleveland , Ohio 44125 Tel: (216) 271-7900 or (800) 321-7800Nook Industries Offers the largest selections of rolled amce screw sizes in the industry. 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 FinishesA huge selection of linear motion technical resources and engineering calculators. Order Samples Check Distributor Stock. Specs Configure/Quote. In this automobile lift (See Image Below), the linear motion is provided by two inverted rotating ball screw jacks. 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. A Inverted translating jack has a lifting shaft that moves through the gear box. 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. Ball Screw (PMBS) Torque Calculator. Metric capacities from 5 kN to 200 kN. Learn more about these systems today. 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™). D. More Details. After shimming, tighten the fasteners for the drive end support block to manufacturer's recommended torque with the carriage closest to the drive support block. Anything that reduces the amount of heat generated or increases heat dissipation will allow higher duty cycles. 2 Jacks. Inverted Keyed Translating - 1/4 Ton to 75 Ton. 000. Twin-Lead screws stocked for delivery without machined ends are listed in the chart below. The rod overall measures 17-3/4-inches long x 1-inch diameter. 6. These Jacks will provide excellent performance and reliability in the average indoor industrial facility with a dry environment and an operating temperature of 32 o F (0 o C) – 180 o F (82 o C. A nut is integrated with the worm gear such that the worm gear and nut rotate together. A 10-ton jack was selected for the mounting condition to fulfill the safety requirements of the application. Use adapters on the ends of forcing screws and face-grip puller legs when pulling shafts, bearing caps, and pinions. Nook Industries Offers the largest selections of rolled amce screw sizes in the industry. Machine Screw Jack, Anti-backlash Adjustment Video; Belt Carriage Alignment Video;. Connect a motor or hand-crank shaft to the screw jack shaft to lift, hold, position, and. Higher speeds are permissible at lower torque ratings. Universal Single Bearing Mounts are ideal for most mounting applications and allow the linear screw to flex naturally maximizing the life of the travel nut. You can read about how they removed their dining booth and made it on their blog. Turns of Worm Per Inch Travel. It is highly accurate, with repeatability up to ± . Specs Configure/Quote. Operating a Ball Screw Jack lift shaft without lubrication will result in a ninety percent reduction in life. PowerTrac SRT 6000 - 1000 RH. Based in Cleveland, Ohio. The lift shaft extends out from the top of the worm screw jack. Bellows boots are available for all sizes and configurations of ActionJac™ Worm Gear Screw Jacks. In certain circumstances, the ball nut. 4142 alloy steel link shafts (more tensile strength and hardness). Acme or ball screw drive available with motor, drive, controller, and power supply. A lifting screw cover is threaded into the bottom of the unit on the upright model, or in the top of the unit on the inverted model, in order to keep the lifting screw threads free of foreign material. 5 Ton Screw Jack Comparison. 1. 2. [in-lb] Lifting Screw Diameter [in] Screw Lead [in] Maximum Allowable Input [hp] Maximum Input Torque [in. Standard motors are 3-phase, 230-460 VAC, 60hz, 1,725 rpm. Temperature Range, High End [°F] Temperature Range, Low End [°F] E-900. They may be used individually or in multiple arrangements. Find Machinist & Screw Jacks at MSC Industrial Supply, serving the metalworking, safety, and MRO industries for over 75 years. It has a compression load range of 18,000 lbs. There are no “standard” travel lengths and each screw jack is built to specification. 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. Specs Configure/Quote. Actuators can be used individually or in multiple jack arrangements for a larger mechanical system. 3 kN to 117 kN. Assembly a standard ball nut onto a machined ball screw must be done with care to insure proper loading of the ball nut. Metric Inverted Rotating Machine Screw Jacks - 5 kN to 200 kN. Stocked for delivery without machined ends are listed in the chart below. Exhibit with us {{>currencyLabel}} Back {{>currenciesTemplate}} English. More Details. Twin-Lead ball screw assemblies can be assembled with Nook, PowerTrac™ ball nuts, flanges and EZZE-MOUNT™ bearing supports to form cost effective systems. 94. Tight collaboration between design engineers, quality engineers, and manufacturing engineers. Larger bearings and drive sleeve for durability. All external components are manufactured from 300 series Stainless Steel materials. 22 products. Linear Actuator - Inline with Servo Motor (Ball Screw) Performance Specifications. Trapezoidal Acme Screw and Nut. The lift shaft extends out from the top of the worm screw jack. Twin-Lead screws are stocked for quick delivery without machined ends in the sizes listed. Products. If not done properly, internal bearings can become misplace out of the bearing circuit which will reduce life and increase ware, and possible locking of the ball nut on the ball screw. 3 Quick Screw Jack Applications - Food Industry; 8 Design Considerations for. 2760. 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. Specs Configure/Quote. 96. 6. The trunnion pins should be made from steel with a hardness greater than 30 HRC and a yield strength greater than 60,000 psi. , 2- BSJ) • Serial Number & Year of ManufactureA lifting screw cover is threaded into the bottom of the unit on the upright model, or in the top of the unit on the inverted model, in order to keep the lifting screw threads free of foreign material. INCH AND METRIC WORM GEAR SCREW JACK MODELS. 1mm). Screw Jack Design Considerations. For multiple high lead. This type of jack is ideal for applications that cannot accommodate a screw protection tube or that require a flush mount; Special features inherent in wormgear ball screw jacks. Start with a base screw jack and add accessories to configure a complete linear motion system. Nook offers our customers a wide selection of screw jack accessories that allow you to develop a complete system from a single source. Skip to Content (800) 321-7800; Start Your Project. 3kN to 117kN. Other materials, such as stainless steel, can be provided upon request. Superior flexibility and strength for your linear motion applications. 285. Note: Mounting hardware for double clevis ball screw jacks should be specified as heat treated alloy steel clevis pins with at least 100,000 psi ultimate tensile strength. When using handwheels with a jack that can backdrive (12:1 and lower) an additional locking mechanism may be required to prevent “creep. Linear Actuators for Automated Packaging; Optimizing Diagnostic Laboratory Throughput; Medical Motion: Precision Ball Screw. The lift shaft extends out from the top of the worm screw jack. Linear Actuators for Automated Packaging;. Max Capacity [lb] Screw. Figure 1. We work with the top manufacturers in the industry to provide you with high performing jack screws that will meet your specific requirements. Reducer and motor can be mounted in eight possible positions for maximum flexibility. 0. With an operating range of -65° to +375°F, E-900 has low starting torque characteristics and helps reduce inter-ball. Nook Industries, Inc. Low-friction ball bearings allow these screw jacks to use half the power required by an Acme screw jack to lift the same load. Ruggedly designed with load capabilities up to 100 tons, Thomson screw jacks are built to specification to meet your application requirements. Trading the Dining Area for a Coffee Station. ActionJac™ Worm Gear Screw Jacks can be ordered with industrial quality induction motors. Six Jacks. Used regularly, E-900 will extend the life of ball screw assemblies. Specs Configure/Quote. A drive. Nook Industries manufacturers linear motion solutions including, precision ball screw, acme screw, screw jack, linear actuator, and electric cylinder products. The ball screw and nut are made from hardened alloy steel with hardened bearing balls carrying the load between nut and screw. Learn about the features, specifications, and applications of Nook's screw jacks in this comprehensive catalog. 50. Use together with THK nuts and shafts (DCM, DP, SS). Inch Worm Gear Ball Screw Jack, Inverted, 5 Ton Capacity, 6:1 Gear Ratio, Screw Lead 0. Our Precision Screw Line features an extensive selection of lead screws, ball screws, and roller screws. Contact Information. All external components are manufactured from 300 Series Stainless Steel materials. NRS NOOK PLANETARY ROLLER SCREWS NRS 8x2. T. 4 Jacks. 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. Product. CC Linear Actuator. 1. 106. ActionJac™ Worm Gear Screw Jacks can be ordered with industrial quality induction motors. Metric Planetary Roller Screw Assembly One Piece Cylindrical Nut. Nook offers our customers a wide selection of screw jack accessories that allow you to develop a complete system from a single source. 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 Finishes1/4 Ton to 50 Ton. Helpful and easy to use Screw Jack Resources including engineering calculators, design tools, glossary, definitions and much more. Ground worm gears for better fit. com/multicomp-pro Specifications Screw Length : 13mmJack Bolts. The diversity of our products and markets is unparalleled. Low-friction ball bearings allow these screw jacks to use half the power required by an Acme screw jack to lift the same load. 473" Read More Product Specifications A lifting screw cover is threaded into the bottom of the unit on the upright model, or in the top of the unit on the inverted model, in order to keep the lifting screw threads free of foreign material. 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. Nook Industries offers worm gear screw jack systems that can be used individually or in multiple arrangements. Nook screw jack system provides a solution to reduce the customer´s scrap rate, while also improving their process capabilities. Middle Foot. 1 Ton to 10 Ton. Inch Worm Gear Machine Screw Jack, Double Clevis, 15 Ton Capacity, 8:1 Gear Ratio Read More Product Specifications. 1/2 x 13 x 1 Set Screw. 2 Pages. 307. NRS B NW 120x25. Temperature Range Maximum [°F] Temperature Range Minimum [°F] Dropping Point [°F] Oil Viscosity cst @ 40° C. In the event of a ball nut failure prevents the structure from falling in an inadvertent failure. Excessive amount of adhesive and adhesive strips make disassembly a painfully tedious process. See the PowerAc™ technical data on pages 54-59 for additional screw and nut details. Middle Foot. Nook Screw Jacks Worm Gear Screw Jacks Superior flexibility and strength for your linear motion applications Ruggedly designed with load capabilities from ¼ to 100 tons, Nook screw jacks are built to specification to meet your specific application requirements. BEVEL GEAR JACKS BEVEL GEAR SCREW JACK SYSTEMS JACK MODELS Nook Bevel Gear Screw Jack systems are ruggedly designed using a ground spiral bevel gear and produced in standard models with load handling capacities from 12. A Inverted Rotating Screw Jack has a lift shaft that moves a nut as it turns. example: A screw with a 0. ActionJac machine screw jacks incorporate an Acme screw with a 2C thread form. All high bevel gear screw jacks are equipped with. at its lowest setting and 16,000 lbs. PRECISION SCREW ASSEMBLIES. From motor mounts to limit switches to lubricant, Nook can easily configure a complete screw jack system. The Amount of Power Needed to Drive a Load. Thread Adapters for Drum Openings. Column Strength. The patented design allows users to install and adjust sensors on a single screw jack and integrate easily with a motion control system. A rotating jack has a lift shaft that moves a nut as it turns. The lift shaft extends out from the bottom of the worm screw jack. Thread Adapters for Drum Openings. When the lift shaft is held to prevent rotation, the lift shaft will move linearly through the gear box to move the load. 004" (0. Joyce configures jacks with components such as motors, gear reducers, shafting, coupling, and motion control devices to create complete multi-jack. Temperature Range, High End [°F] Temperature Range, Low End [°F] E-900. By adding Radial Support Bearings, you can increase the effective speed of the lift shaft or link shafting. Upright Translating Keyed Inch Machine Screw Jacks - 1/4 Ton to 75 Ton. 00. Column Strength is the ability of the lift shaft to hold compressive loads without buckling. RH. Inch Worm Gear Machine Screw Jack, Upright Rotating, 2 Ton Capacity, 6:1 Gear Ratio Read More Product SpecificationsMore Details. [in-lb] Lifting. Type 4K End Code 55. 285. Machine screw jack: The worm wheel acts directly on the lead screw. Exhibit with us {{>currencyLabel}} Back {{>currenciesTemplate}} English. Specs Configure/Quote. 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. Variety of worm gear ratios resulting in a wide range of speeds and thrust capacities. 6 Pages. PRECISION SCREW ASSEMBLIES. 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. Acme or ball screw drive available with motor, drive, controller, and power supply. 165. Upright Anti-Backlash Worm Gear Inch Machine Screw Jacks | Nook Industries Ball Screw Jack. U-Bolt-It is a distributor and manufacturer of high quality jack bolts, or jack screws. 105. Product Info. Configure Product Specifications. Determine the. Higher speeds are permissible at lower torque ratings. Manufactured with a lead accuracy of approximately 0. Learn about the features, specifications, and applications of Nook's screw jacks in this comprehensive catalog. 40. Specs Configure/Quote. Jack Product: Material: Temperature Range: Housing: Ductile Iron-20° F to 200° F: Drive Sleeve: Nook Bronze Proprietary: Worm Shaft: Alloy Steel: Acme Screw: 4140 Series: Acme Nut:. The Ellis 6x6 Screw Jack attaches to 6x6 lumber and provides 6" adjustment for building a fast and reliable adjustable support.