
SHOULDER MILLING MILL 4 SHOULDER MILLING • MILL 4-12KT - RECOMMENDED STARTING FEEDS Feed Rates [mm] Light General Heavy Machining Purpose Machining Insert Feed per Tooth (Fz) in Relation to % of Radial Engagement (ae) Insert Geometry 10% 20% 30% 40% 50–100% Geometry .E..GE 0.12 0.33 - 0.09 0.25 - 0.08 0.22 - 0.07 0.2 - 0.07 0.2 - .E..GE .E..PU 0.15 0.35 0.45 0.12 0.3 0.4 0.1 0.25 0.35 0.08 0.2 0.33 0.08 0.2 0.3 .E..PU .E..HD - 0.35 0.55 - 0.3 0.44 - 0.25 0.38 - 0.2 0.36 - 0.2 0.35 .E..HD INDEXABLE MILLING B79 kennametal.com