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HFM cutters can actually provide assistance to some clamping systems, according to Walther. “Since cutting forces are mainly directed along the centerline axis of the tool, and towards the direction of the spindle, this creates a very stable and vibration-resistant machining envi- ronment,” she said. “It is an excellent option for weak clamping situations.” However, as with any milling application, the stronger the hold on the tool and the truer the holder keeps the tool on center, the better the tool will run. “Typically, mill chucks and hydraulic holders are ‘beefier’ holders and offer the best rigidity, excellent holding strength, and as such, natural vibration dampening,” said Walther. “While shrink- fit holders aren’t typically as robust as a mill chuck or hydraulic holder, they have excellent holding force on the tool shank and offer high runout precision.”


Machine Tool Requirements Taking advantage of the benefits


of HFM requires a machine with the capability of feeding at elevated rates. Sometimes, machining can even be done in rapid mode on some lower capability machines because the APT is so high, according to Pollock. “Primarily, though, the machine has to have good look-ahead capability, the ability to process machine code quickly, and the fluidity to make the required movements,” he said.


Another key factor is to size HSM tools to fit the machine, according to Iscar Metal’s Raun. “For example, a 2" diam [50.8-mm] indexable cutting tool is a very common size, and many people apply it on CAT 40, CAT 50, HSK 63 and HSK 100 machines alike. However, based on machine power alone, most CAT 40 machines—particularly older ones—don’t have the horsepower and torque to effectively use 2" indexable cutters. In those cases, they must be


run at lower feed rates and DOCs, which reduces cutting efficiency. In these situations, you will likely find you can do just as much or more with a 1.5" tool as a 2" one because you can use deeper DOCs and higher feed rates.”


We have all heard the phrase WORK SMARTER, NOT HARDER. Makes sense, right?


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HIƄFLHQF\ RI HYHU\ RQH RI \RXU UHVRXUFHV :RUNKROGLQJ WHFKQRORJ\ WKDW DOORZV you to go from O.D. to I.D. to 3-jaw clamping LQ D PDWWHU RI VHFRQGV ZLWKRXW UHDGMXVWPHQW FDQ PD[LPL]H WKH SURGXFWLRQ t DQG WKH SURƄWV t RI \RXU H[LVWLQJ PDFKLQHV 1RZ WKDW LV WORKING SMARTER.


1.800.281.5734


Germantown, WI USA www.hainbuchamerica.com


August 2017 | AdvancedManufacturing.org 51


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