NSK Launches ‘Stronger Than Ever’ Ball Screw

Resource from: CBCC Likes:193

Jun 02,2017

NSK has launched the newly developed S-HTF ball screw, which offers a 220% improvement on service life, along with 1.3 times greater dynamic load capacity than its predecessor. These significant improvements are thanks to ‘Tough Steel’, which has been specially developed by NSK to deliver maximum performance. As demand for plastic products grows, the pressure which is placed on manufacturers to produce more products in less time puts extreme strain on machine components. Components are forced to work faster and often with greater force, in order to reduce cycle times and increase productivity. The S-HTF ball screw has been designed with high-load applications in mind, for example forming presses and plastic injection moulding machines, in order to meet this demand. The high purity of Tough Steel, along with a special heat treatment, creates a more resistant surface on the screw shaft. This means that cracks are unable to develop from indentations caused by rolling over particles of contamination. Instead, the surface is smoothed out by the roll-over pressure. Tough Steel is already being used in NSK’s rolling bearings with great success, and has received an influx of positive feedback. The S-HTF ball screw series is currently available in 21 variations, with shaft diameters ranging from 50 to 100 mm, and leads of 10 to 60mm, depending on diameter.

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