Now STOBER Drives Inc. sells PS two-speed gearboxes that output both high speed and torque in one package. This is useful in machine-tool applications that need high cutting speeds and torque at the spindle. The gearboxes also offer versatile mounting for lathes or machining centers. Output torque is to 2,200 Nm. Backlash is equal to or less than 20 to 30 arc/min. Maximum drive speed is to 7,000 rpm.
Key parameters of the PS two-speed gearboxes include:
- Helical planetary gearing; ratios of 1, 4, or 5.5:1
- Nominal output torque of 400 to 2,200 Nm — 3,540 to 19,471 in. lb
- Two sizes available — PS25 and PS30
Lubrication options include standard splash lubrication and (for high-heat applications) recirculating lubrication. The gearboxes are suitable for vertical or horizontal installation. More after the jump.
With its integral planetary gearset, the PS is a two-speed gearbox for maximum running smoothness. It comes with optional liquid cooling for speeds to 10,000 rpm — and flange type N (Standard Length) as well as flange type L (Long Length) options.
For more information on PS Two-Speed Gearbox, visit the PS Series gearbox specification page on the Stober website here.
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