Technical Data Recommended Cutting Conditions 推薦切削參數 Table 020 EHBRT2 WORKING MATERIAL HARDENED STEEL HARDENED STEEL HARDENED STEEL CODE SKT, SKD SKT, SKD SKT, SKD HARDNESS HRC 35~45 HRC 45~55 HRC 55~60 Vc 260 M/min 195 M/min 130 M/min FEED FEED FEED DIAMETER R.P.M R.P.M R.P.M (mm/min) (mm/min) (mm/min) 1.0R 41,600 1,920 31,200 1,440 20,800 960 2.0R 20,800 1,920 15,600 1,440 10,335 955 3.0R 13,650 1,890 10,335 1,430 6,890 955 4.0R 10,335 1,910 7,735 1,430 5,200 960 5.0R 8,255 1,905 6,240 1,440 4,160 960 6.0R 6,890 1,910 5,200 1,440 3,445 955 8.0R 5,200 1,920 3,900 1,440 2,600 960 10.0R 4,160 1,920 3,120 1,440 2,080 960 Milling Amount Ad = 0.05D (mm) Pf = 0.1D 1.Use as highly rigid and accurate machine as possible. 2.If the rpm available is lower than the recommend condition, please reduce the feed rate to the same ratio. 3.Use long shank type please reduce the rpm and feed rate. 4.The Feed and RPM may be changed depending on the M/C conditions ,lubricating and cooling system. 1. 盡可能用高剛性、高精機床。 2. 機床轉速不足時,請將進給、轉速同比例下調。 3. 長柄型或偏擺過大時請視情況下調轉速、進給。 4. 以上數據為建議值,適當的條件仍須視機台狀況、夾治具品質、潤滑冷卻系統…等改變。 A186