SUMIBORON WiperStandard InsertInserts X axis (+)X axis (+) Cutting Speed vC (m/min) SUMIBORON One-Use Wiper Inserts WG / WH Type ■ Features ● SUMIBORON single-use insert with wiper edge for hardened steel machining. ● Excellent surface roughness comparable to grinding. ● Improved machining efficiency with higher speeds and feeds. ● Lineup of low feed WG types and high feed WH types. L ■ Wiper Insert Operation ■ Wiper Insert Finished Surface Roughness f: Feed Rate Wiper Insert (WG Type / WH Type) Standard Insert(No Wiper, 0.8 Nose Radius) Feed Direction Low Feed Machining High feed cutting Low Feed Machining High feed cutting Rz (Max. height) (f=0.10mm/rev) (f=0.30mm/rev) (f=0.10mm/rev) (f=0.30mm/rev) Wiper Edge Surface f: Feed Rate Roughness Insert WG Type WH Type Feed Direction Work Material Rz (Max. height) Surface Roughness Rz 0.63μm 1.39μm 1.98μm 9.20μm (Max. Height) The wiper insert offers good finished surface roughness and improved machining efficiency. 220 ■ Recommended Cutting Conditions (Surface Roughness Standard 1.6s to 3.2s) WG Type WH Type BNC2010 ● For optimum effectiveness, use wiper inserts for continuous cutting. Note that a nose radius insert 150 should be used for profiling. WG Type WH Type BNC2020 100 ● Chattering and undulation may occur. Use work material and machines with high rigidity. WG Type WH Type BN2000 50 0.05 0.1 0.2 0.3 0.4 Feed Rate f (mm/rev) WG Type: Feed Rate f = 0.20 or Less Recommended (Finished Surface Roughness Rz = 1.6 to 3.2μm) WH Type: Feed Rate f = 0.20 or More Recommended (Finished Surface Roughness Rz = 1.6 to 3.2μm) Lineup of 5 grades to suit each cutting speed (BN2000, BNC2010, BNC2020, BNC200, BNC160) ■ Precautions when Using Wiper Inserts CNGA Type / CCGW Type / WNGA Type WG Type / WH Type Wiper Insert · Use a holder with a cutting edge angle of 95°. CNGA Type / CCGW Type / WNGA Type Wiper Insert Cutting Edge Position Offset (WG Type / WH Type) · Machining program modification required CNGA Type / CCGW Type/WNGA Type Cutting edge angle External Turning Nose Radius Type X-axis direction Z-axis direction wiper inserts do not comply with the 95°ISO standard. Correct the cutting edge R0.4 WG TypeWH Type-0.02-0.06 -0.02-0.06 position (tool offset) as explained on theright. Z axis (+) WG TypeR0.8/R1.2WH Type-0.01-0.06-0.01-0.06 DNGA Type / DCGW Type WG Type / WH Type Wiper Insert · Use a holder with a cutting edge angle of 93°. DNGA Type / DCGW Type Wiper Insert Cutting Edge Position Offset (WG Type / WH Type) · Machining program modification required DNGA Type / DCGW Type wiper insertsdo not comply with the ISO standard.Cutting edge angleCorrect the cutting edge position (tool93°External Turning Nose Radius Type X-axis direction Z-axis directionR0.4WG TypeWH Type-0.17-0.70-0.01-0.06 offset) as explained on the right. Z axis (+) R0.8 WG TypeWH Type-0.05-0.58 0-0.05 Note: Unlike other contour shapes, the DNGA / DCGW TypeDcNaGnAoTnylypee/xDhCibGiWt wTiyppeer effect for outer and inner diameter machining, and cannot be used for facing. L27