Less noise for long-stroke linear actuator
A
Danaher Motion product story
Edited by the Engineeringtalk editorial team
Dec 9, 2003
As industry focuses on the working environment, Danaher Motion has launched a new and improved Movopart range that has a very low operational noise profile.
As industry focuses on the working environment, Danaher Motion has launched a new and improved Movopart range that has a very low operational noise profile.
This new low-noise range has also claims increased in product life and for the first time the facility to adjust slide-bushing play.
Producing long-screw-driven linear drives presents a number of technical challenges to the design engineer.
This particular solution is ideal for applications requiring high force and low speed where in the past belt drive units have been specified as long screw driven units were unavailable.
Screw supports have been designed by Danaher Motion to reduce the unsupported length of the screw as the maximum speed of the screw depends on the free length of the screw.
When the screw is rotating it can only withstand a certain speed at a certain length.
If this speed is exceeded the screw will begin to warp, ie the screw has reached its critical speed for that length.
To help the specifying engineer Danaher Motion has produced some sizing and selection software that clearly predicts when screw supports are needed.
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