Page 191 - UNION

part. Technical DaTa INch Technical DaTa INch part.
B B

Za506(8) - high Speed cutting Zr502a, Zr522a, Zr532a

endmill CARBON STEELS CARBON STEELS ALLOY STEELS endmill
& MATERIAL TOOL STEELS HARDENED STEELS HARDENED STEELS MATERIAL ALLOY STEELS · CAST IRON TOOL STEELS HARDENED STEELS HARDENED STEELS &
drill HARDNESS ~HRc 50 HRc 50~HRc 60 HRc 60 HARDNESS ~ HRc 30 HRc 30 ~ HRc 38 HRc 45 ~ HRc 55 HRc 55 ~ HRc 65 drill
STRENGTH 1750N/mm 2 1750~2080N/mm 2 2080N/mm 2 STRENGTH ~1000N/mm 2 1000~1200N/mm 2 1400~2000N/mm 2 2000N/mm 2
DIAMETER(inch) RPM FEED RPM FEED RPM FEED DIAMETER(inch) RPM FEED RPM FEED RPM FEED RPM FEED
1/4 16800 240.00 8400 120.00 4200 58.00 1/4 2630 4.90 2100 4.20 1370 2.00 1160 1.40
5/16 12600 240.00 6300 120.00 3160 58.00 5/16 2000 5.30 1580 4.20 1050 2.00 840 1.40
3/8 9980 235.00 5040 120.00 2520 58.00 3/8 1680 5.30 1370 4.20 840 2.00 670 1.40
1/2 8400 199.00 4200 100.00 2100 50.00 1/2 1370 4.20 1160 3.80 700 1.50 550 1.00
5/8 6300 149.00 3160 75.00 1580 37.00 RPM = rev. / min.
3/4 5040 120.00 2520 58.00 1260 30.00 FEED = inch / min. D D
1 3790 75.00 1890 38.00 950 19.00
RPM = rev. / min. 0.3D 0.05D
FEED = inch / min.
1.5D 1.0D 1.0D
0.05D 0.05D .008˝

Za526(8) Zr504a, Zr524a, Zr534a

endmill endmill
NON-ALLOYED STEELS ALLOY STEELS CARBON STEELS ALLOY STEELS
MATERIAL HARDENED STEELS HARDENED STEELS MATERIAL HARDENED STEELS HARDENED STEELS
ALLOY STEELS · CAST IRON HEAT RESISTANT STEELS ALLOY STEELS · CAST IRON TOOL STEELS
HARDNESS ~ HRc 40 HRc 40 ~ HRc 50 HRc 50 ~ HRc 60 HRc 60 ~ HRc 65 HARDNESS ~ HRc 30 HRc 30 ~ HRc 50 HRc 50 ~ HRc 55 HRc 55 ~ HRc 65
STRENGTH ~1250N/mm 2 1250~1750N/mm 2 1750~2080N/mm 2 2080N/mm 2 STRENGTH ~1000N/mm 2 1000~1750N/mm 2 1750~2000N/mm 2 2000N/mm 2
DIAMETER(inch) RPM FEED RPM FEED RPM FEED RPM FEED DIAMETER(inch) RPM FEED RPM FEED RPM FEED RPM FEED
1/4 2230 19.00 1670 14.00 1390 10.00 1110 8.00 1/4 2630 8.50 2100 7.10 1370 3.30 1160 2.00
5/16 1670 18.00 1250 13.00 1050 9.50 840 7.00 5/16 2000 9.00 1580 7.10 1050 3.30 840 2.00
3/8 1330 17.00 1000 12.00 840 9.00 680 6.30 3/8 1680 9.00 1370 7.10 840 3.30 670 2.00
1/2 1110 16.00 840 11.00 690 8.50 560 6.00 1/2 1370 7.10 1160 6.30 700 2.80 550 1.50
5/8 840 13.00 630 9.00 530 6.50 420 5.00 RPM = rev. / min.
3/4 670 11.00 500 8.00 420 6.00 320 4.70 FEED = inch / min.
1 540 9.50 400 6.50 340 5.00 270 3.70
drill 2.5D 2D D drill
RPM = rev. / min.
FEED = inch / min. 0.05D 0.02D 0.05D
3D 3D
0.01D 0.005D

92 Union Materials cUttinG tools 93