High Speed BallScrew
4Pages

gh Speecl Ballscrews 00 on Kortagroup

- DN fa et or volution - Test cycle - Rsulte com pari son DN factor 驩volution New hybrid design with optimised recirculation System and KORTA's NTG treatment, improves remarkably the results achieving a factor of DN = 160.000. Internai (dn = 100.000) External(dn = 120.000) NTG Hlgh Speed (dn = 160.000) 40 50 60 70 Shaft diameter (mm) I 0.75 0.5 f 0.25 Test cycle Diam=40  Lead=l2 Speed=4.000 RPM Accթlration IG 闕DN= 160.000 High Speed life test cycle used to compare conventional design and new NTG High Speed design ballscrews. 2 Time (sec) Results comparison Slight marks appear after 180...

LowtiD* Ihisas g]®[r]@ra,D@[n] sondl Qsss Qylbs re^yored] - Surface treatments comparison - Heat gnration - Wear of the components - Required lubrication comparison Surface treatments comparison Korta's new NTG surface treatment applied to High Speed design ballscrews increases hardness and wear resistence reducing frictional coefficient. 镕 Korta's new NTG surface treatment proves 2 times better than nitriding and 10 times better than conventional surface treatment. ■ Korta NTG ■ Nitriding □ Conventional Wear of the components -NTG High Speed -Conventional In order to asses the wear of...

Wear influence in the torque The chart shows the relation between wear of the diffrent components of a ballscrew and its torque variation: - After 100 hours travel the conventional ballscrew lose preload by 30%, while a NTG High Speed ballscrew only by 6%. Conventioanl torque Conventions! wear NTG High Speed torque . - - . NTG High Speed wear _Rduction of noise level 驕 Noise level comparison between a conventional design and NTG High Speed ballscrews: - A microphone placed at 500 mm distance records alO dB(A) rise in between a conventional design and NTG High Speed ballscrews. 600 1.350...