2 minute read
Product news
from Renew Magazine - Quarter 2, 2021. Condition monitoring and predictive maintenance focus
by touchwavegc
Portable dual-channel vibrometer
A NEW DUAL-CHANNEL, PORTABLE balancing vibrometer and machine analyser is now available from CEMB Hofmann UK. The N330 handheld instrument is designed to enable engineers to conveniently identify vibration issues and pursue a proactive, preventative maintenance routine to limit production downtime and extend the life of their machines.
Applicable across multiple sectors and applications, the N330 should be intuitive to use and allows engineers to identify any vibration issues quickly onsite. While in use, the N330 displays the vibration values, and a menu button provides the option to save over 1,000 readings, thanks to 14.8GB of memory that can be expanded to 128GB.
The device is capable of both single and two-plane balancing as well as FFT, Smart Analysis, Vibrometer and Tachometer.
Rob Jeffery, Managing Director at CEMB Hofmann UK, commented: “With the N330, in addition to preventing costly repairs, engineers will also be able to prolong the life of machines through preventative maintenance and with our UK-based service team we can respond quickly to any calls for assistance.”
www.cembhofmann.co.uk
ASYNCHRONOUS GENERATOR WITH SPECIAL SHAFT
MENZEL ELEKTROMOTOREN HAS built an asynchronous generator with a special shaft and a special flange for operation on a Pelton wheel in a Scandinavian hydroelectric power plant.
The large radial forces acting on the shaft end in this application had damaged the existing generator to the extent that it was a total write-off. The customer required a more robust shaft construction to avoid such damage in the future. In addition, the new generator had to be identical to the old one and have the same electrical parameters.
Menzel’s subsidiary Franz Wölfer Elektromaschinenfabrik designed and manufactured a shaft made of 42CrMo4 high-tensile strength special steel, reinforced on the turbine side. Menzel quickly prepared a verified offer and completed the generator within two and a half weeks. A prefabricated threephase asynchronous generator met the requirements of the application. Menzel also designed and manufactured a new bearing shield for the reinforced shaft and bearing.
www.menzel-motors.com
New products to showcase at virtual Hannover Messe
ON ITS VIRTUAL EXHIBITION STAND at the Hannover Messe Digital Edition, which launches on April 12, 2021, Baumüller is presenting several new products.
New DS2+ synchronous motors add higher speed options to the existing series of high-performance main drives. Maximum speeds up to 5,000rpm and nominal speeds up to 4,500rpm are now possible in sizes 100 and 132. The new models are particularly suited to applications such as injection casting machines, or for printing, forming and textile machines.
Another addition is the option of oil cooling for all synchronous servo motors and synchronous main drives in sizes 45-200. This development means that mechanical engineers can now cool motors efficiently with hydraulic oil. Compared with air-cooled motors, the power density of the oil-cooled motors is considerably higher, so motors with smaller dimensions can be used. The motors can also be more costeffective since a recooling unit is no longer needed.
The DSD2-100 servo motor series has also been updated and made longer for improved dynamics. This significantly expands the torque and power spectrum. Therefore, in high torque applications, it is no longer necessary to choose a larger size, which would have a negative effect on the dynamics. With the new, longer DSD2-100 series, Baumüller is abe to offer peak torques of up to 400 Nm.
