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You’ve probably used a Power Tool before or probably had one of the people from your home use one. It’s big, loud and vibrates like hell. The vibrations are okay if you only use it for a minute or two but if you use it for longer periods, the vibration and jarring motion will definitely take its toll on you. On top of that, the noise is just defeaning that if you use it for too long without ear plugs, you’ll likely suffer temporary hearing loss.
It’s just something you have to live with when you’re doing home repairs or a DIY (do-it-yourself) home project.
Recently, Researchers from the Fraunhofer Institute for Structural Durability and System Reliability LBF in Darmstadt (that’s in Germany) and a team from C. & E. Fein GmbH developed a technology to dramatically reduce vibrations in oscillating power tools.
Examples of oscillating power tools are handheld power saws, sanders, grinders, etc. These power tools don’t use rotating action such as a power drill but moves back and forth (like 19,500 times per minute.) It’s no wonder that power grinders and saws vibrate so much.
According to Heiko Atzrodt, group manager at Fraunhofer LBF, they managed to reduce the vibrations and the resultant noise from it, by using elastomer elements to decouple the housing from the motor. This in turn acts like a form of mechanical suspension and insulation.
Reducing the vibrations completely is not a good thing. Atzrodt says that they needed to strike a balance between reducing vibrations and allowing users to retain a feel for what the tool is doing. They adjusted the elastomer elements’ stiffness at the right level and put in various suspension and insulation devices into a test system.
According to the researchers, with the new power tool enhancements, they were able to reduce vibrations by as much as 70% and produce 50% less noise. This will be great news for home owners who use power tools on a regular basis.
The new low-vibration oscillator is currently available and will be integrated into new power tools in the very near future. Together with these new power tools and a smart tool box, you’ll definitely be more enthusiastic doing home repairs and DIY (do-it-yourself) projects.
For more information on this new power tool tech enhancement, click here