■ RECOMMENDED CUTTING CONDITIONS

  • MEC type MSN Carbide Shank Holder

Tool dia. (mm)

16 20/21

Work Insert

Materials Grades No. of teeth 2N No. of teeth 2N

apnVfapnVf
(mm)(mm)(min-1)(mm/min)(mm)(mm)(min-1)(mm/min)
Carbon steel700.63,5802,140700.72,8601,430

S50C, S55C

JC5040 120 0.5 3.180 1,590 120 0.5 2,860 1,430

(C50, C55)

Below 250HB1600.32,9801,4901900.32,4001,200
Mold steelJC5040700.63,1801,590700.72,5501,150

HPM7, PX5, NAK80, P20

JC5015 120 0.5 3,180 1,590 120 0.5 2,550 1,150

(1.2311, P20)

30-43HRCFor over 40HRC1600.32,9801,4901900.32,4001,080
Die steel700.63,1801,590700.72,5501,150

SKD61, SKD11

JC5040 120 0.5 3,180 1,590 120 0.5 2,550 1,150

(1.2344, 1.2379)

Below 255HB1600.32,9801,4901900.32,4001,080
700.63,1801,590900.72,5501,150

Stainless steel

SUS304 JC5015 120 0.5 2,980 1,490 120 0.5 2,400 1,080

Below 250HB

1600.32,9801,4901900.32,4001,080
Hardened die steel700.41,400350700.51,110280

SKD61, SKD11

JC5015 120 0.3 1,200 300 120 0.3 950 240

(1.2344, 1.2379)

40-50HRC160190
Grey & Nodular700.62,9801,800700.72,4001,440

cast iron

JC5015 120 0.5 2,980 1,650 120 0.5 2,400 1,440

FC, FCD (GG, GGG)

Below 300HB1600.32,5001,3801900.32,0701,240
702.08,0004,000702.06,4003,200

Aluminium alloy

FZ15 120 1.5 8,000 3,600 120 1.5 6,400 3,200

50-110HB

160 1.0 6,700 3,000 190 1.0 5,600 2,520

ℓ: Overhung length, ap: Depth of cut, n: Spindle speed, Vf: Feed speed

3) In case of ramping, ramping angle up to 3% is recommended. 4) In case of full slotting, recommend to reduce spindle speed and feed speed by 70% on above table. B143