N 300 series

N 345

Basic cylindrical cutter with cutting edges Chipbreaker for grooves and shoulders

N 345
N 345

Suggested applications

Steels

hardened steels < 56 hrc

hardened steels > 56 hrc

stainless steel

superalloys

cast iron

aluminum alloys & plastic materials

graphite

Drilling types

Features

Tools

ARTD1h10D2h6D3L1L2L3L4R45°ZUNCOATED
N345-100C410,0010,0090423C4-U
N345-120C412,0012,00100453C4-U
N345-140C414,0014,00100523C4-U
N345-160C416,0016,00110553C4-U
N345-200C420,0020,00130723C4-U

Cutting parameters

N 345D Z Vc fz ap ae N rpm F Q cm3/min
Click to see material list
N1
10 3 250 0,050 10 10 7962 1194 119,43
12 3 250 0,060 12 12 6635 1194 171,97
14 3 250 0,075 12 14 5687 1280 214,97
16 3 250 0,090 12 16 4976 1344 257,96
20 3 250 0,130 10 20 3981 1553 310,51
Click to see material list
N2 N3
10 3 150 0,050 10 10 4777 717 71,66
12 3 150 0,060 12 12 3981 717 103,18
14 3 150 0,075 12 14 3412 768 128,98
16 3 150 0,090 12 16 2986 806 154,78
20 3 150 0,130 10 20 2389 932 186,31
Click to see material list
N4
10 3 100 0,030 10 10 3185 287 28,66
12 3 100 0,040 12 12 2654 318 45,86
14 3 100 0,050 12 14 2275 341 57,32
16 3 100 0,060 12 16 1990 358 68,79
20 3 100 0,065 10 20 1592 311 62,10
Click to see material list
N5
10 3 400 0,050 10 10 12739 1911 191,08
12 3 400 0,060 12 12 10616 1911 275,16
14 3 400 0,075 12 14 9099 2047 343,95
16 3 400 0,090 12 16 7962 2150 412,74
20 3 400 0,130 10 20 6369 2484 496,82
ae<0.4D1 fz+20% - Uncoated -30% - code S fz -10 %

Formulas

Cutting speedVc = D x n x 3,14
1000
m/min
Tool revolutionn = Vc x 1000
3,14 x D
rpm
Feed for toothfz = F
z x n
mm
Feed rateF = fz x z x nmm/min
Material removal rateQ = ap x ae x F
1000
cm3/min