Designing Ruled Surfaces for Flank Milling

by Peter Klein on Mar 15, 2019 10:21:00 AM

As discussed in my previous blog post, Flank Milling, How Hard Can it Be?, turbomachinery blades are commonly designed as ruled surfaces, with the goal of making manufacturing easier and faster with flank-milling.  While some non-ruled surfaces can be acceptably flank-milled, the programming and machining process for flank-milling is generally more dependable with ruled data. However, the ruled data should be well conditioned, and several pitfalls should be avoided during the design and construction process.

Reverse Engineering - Going from Part to Art

by Sharon Wight on Dec 7, 2018 9:12:37 AM

Have you ever needed to know the exact geometry of a compressor that has been running for years in your process plant? Perhaps you need to analyze how it would perform if the process fluid had to be changed to meet new government regulations. Or maybe there has been damage to the impeller and a complete mechanical analysis is required before a new one can be put into service. Eventually, everything, even well-designed turbomachinery, needs to be replaced or upgraded.

Where Does CAD fit in the CAE Process for Turbomachinery?

by Dr. Peter Weitzman on Sep 7, 2017 12:19:33 PM

A common struggle for mechanical engineers using Computer Aided Engineering (CAE) tools is the time-consuming process of moving geometry between the CAE system and Computer Aided Design (CAD) software. This blog will explore ways to reduce time spent on this process.

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