45 Каталог SUMITOMO 2018 Инструмент металлорежущий Пластины Резцы Фрезы Сверла Стр.C5

Каталог SUMITOMO 2018 Инструмент металлорежущий Стр. C5 0045 Lab2u

For Hardened Steel Turning Chipbreaker NGH Type General Features Enables medium roughing of hardened steel in combination with coating and grade AC503U. Reduces heat generation and enables deep cutting (ap = 1 3mm) of hardened steel by using a wide neutral ground chipbreaker (rake angle: 4°) and sharp edge. Discharges chips smoothly. Performance NGH Type Chipbreaker Without Chipbreaker Insert Negative Insert for Rough Cutting NGH Type Chipbreaker 0 200 400 600 Cutting Resistance (N) 800 1000 Back Force Feed Force Principal Force (/> a> t (/> Zc7 Z7 D ZK7 Application Examples NGH Type Chipbreaker Only minor wear occured after 40min cutting Without Chipbreaker Insert Major wear occured after 20min cutting Stable chip forming Recommended Cutting Conditions Work Material: X155CrVMo12-1 (61HRC) Insert: TNGG 160404 NGH (AC503U) Cutting Conditions: vc=50m/min, f=0,05mm/rev, ap=3,0mm, Dry Application Cutting Speed Feed Rate Depth of Cut Recommended Range vc (m/min) f (mm/rev) ap (mm) Chipbreaker Finishing 40 100 0,02 0,10 <1 Without chipbreaker insert Medium Roughing 20 60 0,02 0,05 1 3 NGH Type Work Material: Hardened steel (50 62HRC), X155CrVMo12-1, X40CrVMo5-1, S6-5-2, High-speed powder and high speed steel C5