Frequently Asked Question

What is the use of time domain simulation of stability lobes.
Last Updated 8 years ago

An analytical solution is done in the frequency domain, and it is fast, but also linear. When the cutting coefficient changes or you use exotic tools which deviate from cylindrical end mills; very high spindle speed with very small radial depth of cut; serrated tools for roughing, we recommend the following steps. 1) Run the analytical stability solution which is fast (and most accurate linear theory around in frequency domain). 2) Select a speed region where you have an interest, and run the time domain stability lobes only for the limited region. You can push the limits of your cycle time reduction more accurately this way, if you need to. Time domain simulations are similar to trial cutting tests, and takes considerable time.

Note: You don’t need to use modal analysis module when you are interested only in FRF at the tool tip. CUTPRO Milling has an integrated modal parameter identification at the tool tip.

If you select modal parameters, and click new, a curve fitting – modal identification window will pop up within the machine Tool Structure and Workpiece Structure menu pages in milling option.

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