More support for miniature ball screws
A
Steinmeyer UK product story
Edited by the Engineeringtalk editorial team
Apr 26, 2004
Two new series of industry standard support bearing assemblies for the Steinmeyer miniature ball screw product line will be featured at Semicon West on Booth 5536.
Two new series of industry standard support bearing assemblies for the Steinmeyer miniature ball screw product line will be featured at Semicon West on Booth 5536.
Designated as series SLS and SLF, these new units provide significant cost savings to machine engineers and manufacturers, because they eliminate design and assembly time.
By providing an integrated solution, Steinmeyer has simplified ball screw installation.
Each assembly includes backlash free sealed precision duplex bearings, locknut and housing in either a pillow block design (Series SLS), ready for attachment to a flat surface, or a round unit with rectangular flange (Series SLF).
As the bearings are greased for life, there is no maintenance required.
Selecting, and sourcing support bearings for miniature ball screws is not an easy task.
Small bearings (with inside diameter ranging from 6 to 12mm) may be quite expensive, especially for a preloaded duplex pair - and that assumes you locate a reliable source of supply.
And then there is the added cost to design and machine a precision housing, plus the labour and expertise to properly preload the set without damaging the races.
Responding to requests from ball screw users for an easier alternative, Steinmeyer designed the new Series SLS and Series SLF in four sizes for bearing inside diameters of 6, 8, 10 and 12mm.
They are only compatible with Steinmeyer precision ground miniature ball screws series 1112, 1214, 1412 and 1510 and their respective counterparts in rolled thread (series 1132, 1234, 1432 and 1530).
When the ball screws are ordered together with the new support assemblies, Steinmeyer provides the bearing units already assembled on the screw and ready for installation.
And for screws with longer thread, a single radial support bearing is also included on the back end.
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