Ball screws keep it quiet
A
Steinmeyer UK product story
Edited by the Engineeringtalk editorial team
Apr 26, 2004
Steinmeyer has expanded its Quiet Ball Screw product line with eight new sizes to be featured at Semicon West on Booth 5536.
Steinmeyer has expanded its Quiet Ball Screw product line with eight new sizes to be featured at Semicon West on Booth 5536.
With diameters now ranging from 5 to 20mm, the new sizes provide greater flexibility in applying precision ball screws that have been specifically engineered for smooth super-quiet motion.
Ball screw noise is virtually eliminated because instead of metal tubes the nut uses end cap ball returns manufactured from plastic.
When the Series 24xx Quiet Ball Screw was first introduced in 2002, three sizes were offered: 12 x 10, 16 x 10 and 16 x 30mm (diameter x pitch).
The eight new sizes are: 5 x 2, 8 x 2, 10 x 4, 12 x 5, 16 x 16, 16 x 20, 16 x 32 and 20 x 10mm.
Quiet Ball Screws are available with or without backlash, and in a choice of two accuracy grades - T5 (ground thread, series 2426) and T7 (rolled thread, series 2446).
Combination wipers are standard.
And several sizes are compatible with the latest DIN69051 ball screw standard.
For pitches greater than 5mm, the Series 24xx ball screw uses a dual start thread profile that provides substantially higher load carrying capacity compared with single start screws.
Because the nominal diameters are relatively small, this new screw exhibits low inertia, a distinct advantage for high-speed applications.
And, by eliminating external return tubes, the nut body is considerably smaller.
To protect against contamination, the ball nut is fitted with the exclusive Steinmeyer combination wiper system consisting of labyrinth seals and felt wipers.
The felt, saturated with oil or liquid grease, enables long - term lubrication as well as superior wiping action.
Should the application require high vacuum compatibility, the Series 24xx ball screw can be assembled using end caps manufactured from Teflon, as an option.
Applications for the new Series 24xx Quiet Ball Screw include semiconductor production machines, inspection equipment, medical devices, pick and place machines, robotic mechanisms and automation equipment.
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