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In KISSsoft, 97 (yes, ninety-seven!) plastics are available for calculation of cylindrical and crossed axis helical gears. The materials range from unreinforced POMs and PAs to high performance reinforced and internally lubricated materials.
The Timken Company has acquired Des-Case Corp., a Nashville, Tenn.-based manufacturer of specialty filtration products for industrial lubricants. Founded in 1983, the company serves customers across a variety of industrial end markets. Des-Case's revenue for the calendar year 2023 is expected to be around $40 million.
Digital data models and the latest calculation methods lay the foundations for a further improvement in the performance of Generation X.e. SEW-Eurodrive continuously factors the findings of field/test stand trials and simulations into its own calculations, thereby improving their accuracy and reliability. The mechanical and thermal design of the X..e series was once again precisely evaluated on this basis. In conjunction with the component optimizations already implemented in the past, this results in even higher thermal limit ratings, a much longer bearing service life, and higher nominal torques. Moreover, larger application angles are now permissible with the maximum overhung load.
Sulzer’s OEM-X line service proves instrumental for Indian power plant
July 10, 2023
When older equipment starts to affect the output from the power plant – operators need to act fast, to avoid production risks escalating. This is especially true for legacy pumps. However, sourcing new units to fit the surrounding infrastructure and application requirements of the plant can be challenging. When a major thermal power plant in Rajasthan, India, faced multiple issues with an aging boiler infeed pump, the energy player overcame supply and technical challenges through their partnership with Sulzer. Sulzer provided a custom solution under its OEM-X line service, that cushioned the impact to production, while offering the assurance of reliable associated support, spanning maintenance and spares for decades to come.
Siemens Digital Industries Software and IBM recently announced they are expanding their long-term partnership by collaborating to develop a combined software solution integrating their respective offerings for systems engineering, service lifecycle management and asset management.
In an urgent assignment, a gear has to be designed, with the engineer already knowing the required reduction ratio, torque and speed. On the manufacturing side, the preferred materials, possible qualities and the reference profiles are specified. This initial situation represents an everyday task.
Mechanical engineering theory, design and practice come into play for NYCU Vulpes Racing Team
April 6, 2023
NYCU (National Yang Ming Chia Tung University) Vulpes Racing—founded in 2008—is a Formula Student Team that combines mechanical engineering, industrial design, public relations, video production and marketing expertise.
The new KISSsoft release 2023 comes with numerous novelties. Among others, Gear Mesh Frequencies (GMF) can now be calculated for cylindrical and bevel gears. GMF results are visualized in two different diagrams, i.e. GMF versus rotational frequency of the reference gear, and GMF versus amplitude.
This study presents a simulation method for considering complex wheel bodies in an analytical tooth contact model. The wheel body is considered using reduced FE stiffness. Reduction points are defined over the width and linked with the analytical gear.
For cylindrical wheel bodies, comparative calculations show fewer deviations from the expected results with the new method. This is due to the additional degrees of freedom in the FEM model. In the calculation with cylindrical wheel bodies, bending due to axial force in tooth contact could also be verified in addition to the deformation in tooth contact and the influence of the shaft-bearing system.
I think I spend more time talking about ball bearings today than at any other time in my career. Ball bearings have always had a large place in automotive, but not typically in high demand positions—other than a few niche areas. High demand positions, such as axles and planetaries, were typically reserved for tapers, needles and cylindricals. The landscape is changing quickly.