The SKF brand now stands for more than ever before, and means more to you as a valued customer. While SKF maintains its leadership as the hallmark of quality bearings throughout the world, new dimensions in technical advances, product support and services have evolved SKF into a truly solutions-oriented supplier, creating greater value for customers. | Your SKF distributor is acorn industrial services limited linear For further information on SKF linear products pricing enquiries or to discuss your requirements please contact acorn s linear division on Tel 01709 789 999 Fax 01709 789 988 Email info@ Web Alternatively if you would like to speak directly to an engineer telephone Simon Gillingham on 07764 899055 SKF GAMFIOR Ground ball screws SKF Contents The SKF brand now stands for more than ever before and means more to you as a valued customer. While SKF maintains its leadership as the hallmark of quality bearings throughout the world new dimensions in technical advances product support and services have evolved SKF into a truly solutions-oriented supplier creating greater value for customers. These solutions encompass ways to bring greater productivity to customers not only with breakthrough application-specific products but also through leading-edge design simulation tools and consultancy services plant asset efficiency maintenance programmes and the industry s most advanced supply management techniques. The SKF brand still stands for the very best in rolling bearings but it now stands for much more. SKF - the knowledge engineering company 1 General 3 2 Recommendations. 5 Selection. 5 Basic dynamic load rating. 5 Static load carrying capacity. 6 Critical rotating speed for screw shafts. 6 Permissible speed limit. 6 Efficiency and back-driving. 7 Axial play and preload. 7 Static axial stiffness of a complete assembly. 8 Screw shaft buckling. 8 Manufacturing precision. 9 Materials and heat treatments. 9 Number of circuits of balls. 9 Assembly procedure. 10 Radial and moment loads. 10 Alignment. 10 Lubrication. 10 Designing the screw shaft ends. 10 Starting-up the screw. 10 Operating temperature. 10 3 Technical data 11 Lead precision according to ISO. 11 Geometric tolerance. 12 Design and functional specifications. 15 Geometric profile of the track ball area. 15 Preload. 15 .
