1760 Каталог MITSUBISHI 2020 Режущий инструмент Фрезы Резцы Сверла Пластины Стр.R008

Каталог MITSUBISHI 2020 Режущий инструмент для станков Стр. R008 1760 Lab2u

TECHNICAL DATA CHIP CONTROL FOR TURNING CHIP BREAKING CONDITIONS IN STEEL TURNING A Type B Type C Type D Type E Type Small Depth ofCut d 7mm i \ % \ v V\ w , //J( Small Depth ofCut d=7-15mm m JeSSS =JeV Curl Length I Curless I > 50mm I 50mm 1 -5 Curl = 1 Curl Less Than 1 Curl Half a Curl Note Irregular continuous shape CTangle around tool and workpiece Regular continuous shape Long chips Good Good Chip scattering Chattering Poor finished surface Maximum Cutting speed and chip control range of chip breaker In general, when cutting speed increases, the chip control range tends to become narrower, 0.6 0.5 I 0.4 I 0.3 T3 0 O “ 0.2 0.1 vc=100m/min \ E \ N. I J i i i i i i Depth of Cut (mm) 1 2 3 4 5 6 Depth ofCut (mm) 0.6 0.5 £ 0.4 E 0.3 T3 QJ O 0.2 0.1 vc=150m/min \ \ i J i i i i i i 1 2 3 4 5 6 Depth of Cut (mm) Workpiece : S45C(180HB) Insert : TNMG160408 Grade : PlOCemented Carbide Tool : MTJNR2525M16N Dry Cutting Effects of coolant on the chip control range of a chip breaker If the cutting speed is the same, the range of chip control differs according to whether coolant is used or not. R 0.6 0.5 "> OJ 0.4 E 0.3 03 UL 0.2 0.1 Coolant: Dry I I I I I l 1 2 3 4 5 6 Depth of Cut (mm) Workpiece: S45C Cutting Conditions: vc=100m/min 0.6 0.5 0.4 1 0.3 0.2 0.1 Coolant: Wet (Emulsion) 1 2 3 4 5 6 Depth of Cut (mm) R008