Today, its lm guide devices are an indispensable component of mechanical and electronic systems in a wide variety of industries. This document is also included in the demo version. Ball screw the ball screw is a highefficiency method of converting rotary motion to linear motion by using a recirculating ball mechanism between the screw shaft and the nut. Ballscrew technical descriptions ballscrew product specifications. Email this page download pdf download pdf printable page close window the thk kr series linear slide consists of a highly ridid outer rail with a ushaped cross section, lm guide units on both sides and a ball screw unit in the center. Din standard compliant ball screw din69051 models eba, ebb, ebc, epa, epb and epc nut. Precision ball screw, bnt type thk misumi south east asia. Estimation of fatigue life of ball screw under given conditions is possible because the basics of life estimation are the same as those of rolling element bearings. Purchase precision ball screw, bnt type from thk and many other industrial components. Single, long block type high rigidity, compact and space saving. Thk lr2055z in order to repeat the production of this advanced product, the lm guide and ball screw in the milling machine guide system which dont waste of action 3. Search in thk catalogs and technical brochures on directindustry and find the information you need in 1 click. Feed screw ball screw ball screw standard ball screw assembly ball screw with finished shafts ends bnk 3d cad.
Ball screw rolled ball screw models jpf, btk, mtf, blkwtf. Ball screw note the ball screw nut and the screw shaft of model jpf are not sold alone. Feed screw ball screw ball screw ball screw spline heavyload type ns 3d cad. Steel ball end cap screw shaft jlation type return caps ball nut the nut body as a through hole. Highload, highspeed caged ball screw thk technical support. The simplenut ball screw has a more compact structure and allows smoother motion than the con. Ball screws feed screw products thk america official. A wide variety of thk precision ball screws options are available to you, there are 1,856 suppliers who sells thk precision ball screws on, mainly located in asia.
Types of ball screws classification of ball screws for ball screws, a broad array of types are offered as standard so that the optimal product can be selected to meet diversified applications. For vertical applications, anti backlash supernuts should. Thk steel precision ball screw assembly model bnk0601. You can find your most suitable thk products by dimensions. Standardstock precision ball screw unfinished shaft ends. Compatible with the nut outer diameter and mount hole size of conventional btk shape products, so it can be used as a replacement. It is possible to design a machine based on required life. The simplenut ball screw is an offset preload type in which a phase is provided in the middle of a single ball screw nut, and an axial clearance is set at a belowzero value under a preload. Ball centertocenter diameter thread minor diameter no. Compared with a conventional sliding screw, this product has drive torque of onethird or less, making it most suitable for saving drive motor power.
Nsk ball screws were developed through cuttingedge tribology friction control technology, and nsk manufactures the largest volume in the world with its outstanding production and quality control techniques. Thk features rolling ball screw with a new circulation structure that achieves dn values of 100,000. Ballscrews convert rotary motion into linear motion, and are most commonly used in industrial machinery and precision machines. Rolled ball screw, btk series of thk, check out the variety of configurable, rolled. Vibration and noise no ball recirculating vibration and often less audible noise compared to ball screws. Highly rigid, and offer an extended service life, which has been made possible by specifically designing the bearings for ball screw support units. Lead screws and ball screws lie at the heart of screwdriven stages and actuators. A682 features and types ball screw features of the ball screw driving torque one third of the sliding screw with the ball screw, balls roll between the screw shaft and the nut to achieve high efficiency. A highly rigid and highly functional series that is available in an extensive lineup, which includes sealed bearings. Motorized lead screw 2d3d models with downloads available in all major cad formats. Lead screws and ball screws lie at the heart of screw driven stages and actuators. Therefl nut with the same load capacity as the conventional design c.
The ball screwspline is capable of performing three rotary, linear and spiral modes of motion with a sin gle shaft by rotating or stopping the ball screw nut or. Due to a recent update to the thk technical support site, we need you to register some additional information to your optimal product selection tool account. Din standard compliant ball screw models eba, ebb, ebc. Email this page download pdf download pdf printable page. Ball screws precision machine components products nsk. Ordering a catalog put a check next to the catalog you want to order and then click on the button at the bottom of the page. Download catalogcad highspeed, compact caged ball screw. General industrial machine manufacturing industry c. Ball screws the ball screw is a highefficiency feed screw with the ball making a rolling motion between the screw axis and the nut. Dimensions of the ball screw k3 k 3 typesofballscrews k2 1. Purchase thk products online, linear motion guides, actuators, ball screws, cross roller rings, linear bushings, and even custom parts. Misumi offers free cad downloads, prompt lead times, competitive pricing, and no minimum order quantity.
The ball screw is a highefficiency method of converting rotary motion to linear motion by using a recirculating ball mechanism between the screw shaft and the. Nsk ball screws were developed through cuttingedge tribology friction control technology, and nsk manufactures the largest volume in the world with its outstanding production and. This thk ball screw assembly is a 40 mm stroke feed screw and ball nut for transmitting rotary motion into linear motion. Click on an image below to download the technical specifications in pdf format. Screw shaft outer diameter lead ball diameter ball centertocenter diameter screw shaft outer diameter no. Glide screw 2d3d models with downloads available in all major cad formats. Product information is updated regularly on the thk website. The thk kr series linear slide consists of a highly ridid outer rail with a ushaped cross section, lm guide units on both sides and a ball screw unit in the center. We can locate any major brand or type of bearing needed for just about any type of application.
They convert input torque from rotary motors into linear motion. Misumi offers free cad download, short lead times, competitive pricing, and no minimum order quantity. They feature a number of variables, including type of nut, screw diameter, screw pitch, material, etc. Thk steel precision ball screw assembly model bnk0601, screw. Screw shaft outer diameter 14 to 40 lead 4 to 10 screw shaft outer diameter lead model no. Standard combinations of shaft diameter and lead for the rolled ball screw permissible. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users.
Design considerations load supernuts provide a cost effective solution for moderate to light loads. A15182 to download a desired data, search for the corresponding model number in the technical site. To download a desired data, search for the corresponding model number in the technical site. Superb highspeed response caged ball type dn value. Thk lr2055z thk linear bearings, thk bearings,thk guide.
Overball preloaded type or nonpreloaded type model number coding model no. A few are shown here however for further information on our extensive range of. For this model, screw shafts thk ball screw catalogue a screw shaft outer diameter 4 to 25 mm and a lead 1 to 20 mm are avilable as the standard. A few are shown here however for further information on our extensive range of thk profile rail guides, please contact our sales team. The balls in this design tr whole circuit of the ball tracks within the nut length. Viewing pdf files to view a pdf file, click on the pdf symbol adobe reader is required. It has a grounded steel screw for strength and hardness, with rolled thread for stronger, smoother surface than cut thread. The top countries of suppliers are china, india, and japan, from which the percentage of thk precision ball screws supply is 99%, 1%, and 1% respectively. With the worlds leading ball screw, nsk has been contributing to industrial growth. Ball screw support bearings super precision bearings. Thks thk, a motion solutions partnercreative ideas and unique technology made the company a worldwide pioneer in the development of the linear motion lm guide mechanism. The description of functionality of rolling bearing calculation for slewing rings. Thk is one of the largest suppliers of quality linear motion products in the world so it makes sense they have the best range of available options for your applications.
The ball screw is a highefficiency feed screw with the ball making a rolling motion between the screw axis and the nut. Over ball preloaded type or nonpreloaded type model number coding model no. The nut travels on a ball bearing circuit for smooth, lowfriction travel, and it has a flanged. Make a request and we will contact the manufacturer. Select one of the items below and click the update button. The support unit on the supported side uses a deepgroove ball bearing. Thk develops and manufactures mechanical components including the linear motion system, lm guides, ball splines, ball screws, and electric actuators for. Supernut lead screw 2d3d models with downloads available in all major cad formats. A682 features and types ball screw features of the ball screw driving torque one third of the sliding screw with the ball screw, balls roll between the screw shaft and the nut to. High speed ball screw non caged rotary ball screw model blr.
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