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TAC Flash Mills for plunging<br />
TZF11<br />
Standard cutting conditions<br />
Carbon steels, Alloy steels (< 300 HB)<br />
Work materials Grades Cutting speed Vc (m/min)<br />
Cast irons (GG25 etc.)<br />
Ductile cast irons (GGG25 etc.)<br />
Prehardened steels, Hard materials (40-55 HRC)<br />
Feed per tooth fz (mm/t)<br />
NS530 150 - 400<br />
AH740 150 - 350<br />
0.05 - 0.20<br />
AH740 200 - 500<br />
AH740 150 - 350<br />
0.05 - 0.20<br />
AH740 100 - 200 0.05 - 0.15<br />
Z-feed miling<br />
pf<br />
ae<br />
Traverse feed milling<br />
ap<br />
Pick feed<br />
p f (mm)<br />
Z-feed milling<br />
Radial depth of cut<br />
ae (mm)<br />
Traverse feed milling<br />
Depth of cut<br />
ap (mm)<br />
0.5 - 1.0 < 0.5 0.5<br />
• Dry cutting (or air blow) at a depth of cut up ae to 0.3 mm (allowable max. 0.5 mm) and a pick feed pf from 0.5 to 1.0 mm is<br />
recommended.<br />
• TZF11 type cutters are not designed to adjust dynamic balance. Therefore, when the tool’s overhang ratio (cutter diameter-tolength)<br />
exceeds 6:1, special care should be taken with the revolution speed. (At first, start the machining at 50 % of the speed shown in<br />
the table of the standard cutting conditions, and then gradually increase the speed whilst confirming safety.)<br />
• To produce highly accurate surface finish, use the cutter on a machine with sufficient rigidity.<br />
Cautionary points in use<br />
• Use the cutter for finish milling of vertical wall surfaces requiring<br />
long tool-overhang of L/D > 6.<br />
• Radial cutting edge run-out should be adjusted within 0.01 mm.<br />
• In addition to Z-feed milling, TZF11 type cutters can be also used<br />
for traverse feed milling. (ap 0.5 mm)<br />
9<br />
TAC Mills<br />
: Stocked items.<br />
9–125
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