GRINDING


Mägerle MFP 50 multitasking grinder and machining center is a popular and productive choice for grinding high-pressure turbine vanes (shown here) and turbine blades.


combine multiple operations to complete complex turbine parts in single setups/clampings.


“The advantages of single-clamping part processing are


numerous,” said Marchand. “Most importantly, it ensures extremely accurate dimensional relationships between part features, which is especially critical when IDs and ODs, for instance, must be perfectly concentric to one another. Mul- tiple clampings, on the other hand, usually involve human intervention and thus an increased risk of error.” Marchand added that grinding machines with tool changers provide even further benefi ts for processing high- value jet engine components. These machines give shops the option to use multiple abrasive types in one setup and on the same part. For instance, a combination of CBN, conventional or diamond wheels could create the vari- ous features of one part. Or a shop could use continuous dress creep feed grinding for fast heavy metal removal then change wheel type for lighter material removal at different parameters to achieve even fi ner fi nishes.


At IMTS, United Grinding exhibited the Mägerle MFP 50 continuous dress grinding and machining center, a fi ve or six-axis machine that performs grinding, milling, and drilling in single-clamping operations. “With the addition of milling and drilling capability, the machine eliminates having to


38 AdvancedManufacturing.org | December 2016


Photo courtesy United Grinding


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