System Tip-Bars Recommended Cutting Conditions Recommended Cutting Conditions (VNB-S) Recommended Insert Grades (Cutting Speed Vc: m/min) VNB01-S type VNB02-S type MEGA PVD Carbide CBN PCD ~ Workpiece PR1225 PR930 KW10 KBN510 KPD001 KPD010 VNB015-S type VNB04-S type Remarks Material ap (mm), f (mm/rev) ap f ap f Carbon Steel / Alloy Steel ★ ☆ ~0.1 ~0.01 ~0.2 ~0.03 30~120 30~100 Coolant Stainless Steel ★ ☆ ~0.1 ~0.01 ~0.2 ~0.02 30~100 30~80 ★ :1st Recommendation ☆ :2nd Recommendation Recommended Cutting Conditions (VNB / VNB-NB / VNBT ) Recommended Insert Grades (Cutting Speed Vc: m/min) VNB04 VNB05 MEGA PVD Carbide CBN PCD VNB02 type VNB03 type type VNB06 type Workpiece PR1225 KW10 VNBT04 VNB07 Remarks Material PR930 KBN510 KPD001 KPD010 VNBT05 F ap (mm), f (mm/rev) ap f ap f ap f ap f Carbon Steel / Alloy Steel ★ ☆ ~0.3 ~0.03 ~0.4 ~0.04 ~0.45 ~0.07 ~0.5 ~0.1 30~120 30~100 Stainless Steel ★ ☆ ~0.3 ~0.02 ~0.4 ~0.03 ~0.45 ~0.05 ~0.5 ~0.07 Coolant 30~100 30~80 Boring Non-ferrous Metals ☆ ★ ☆ ~0.3 ~0.05 ~0.4 ~0.06 ~0.45 ~0.1 ~0.5 ~0.15 ~100 ~300 ~300 ★ :1st Recommendation ☆ :2nd Recommendation Recommended Cutting Conditions (VNBX-S ) Recommended Insert Grades (Cutting Speed Vc: m/min) VNBX01-S type VNBX02-S type PVD Coated Carbide Carbide CBN PCD VNBX015-S type ~ Workpiece PR630 PR915 PR930 KW10 KBN510 KPD001 KPD010 VNBX04-S type Remarks Material ap (mm), f (mm/rev) ap f ap f Carbon Steel / Alloy Steel ★ ~0.1 ~0.01 ~0.2 ~0.03 30~100 Coolant Stainless Steel ★ ~0.1 ~0.01 ~0.2 ~0.02 30~80 ★ :1st Recommendation F92