H Font-turning of Duble-hole Font-turning of Duble-hole HI Insert for Front-turning vw TC T 7 II i> -< ' /i ii > i ii insert Machining nsert Insert Edge Corner-R Chipbreaker Lead Front Carbide gradesnameTypesizehandwidthnameanglerake angle IC i !i >- -(i! \ \-< i \MiTiAAAii k / -j Insert Name Machining Type Insert Size @9 s B l r 7/ / i i \ \ i VW I \ \ \ Double Hole Type of insert F: FrontTurning 6: insert length is 32.0mm7: insert length is 43.0mm i i i i iiiiiiTh4h4// / \ / \ AAA L Insert Hand Edge Width Corner-R EBB L R oIF.I 0<- .7 IX / \ / X I I \x. .AI AI . Ij 197 R: right handL: left hand 15: 1.5mm 20: 2.0mm 000: 0.00 020: 0.20 198vi/IIαE>θii7i\\\ I \ F - -K b AR h - -{ h- -K ^L ,l _ IX F i g.1 e Chipbreaker Name Lead Angle Front Rake Angle EE EES L β RIrr<•/i><- IX / \ / \l X I .XX > IX IJ none: no front rake angle V I// XII α E 7θ fII »IX\t\ i i 30: 30° 45: 45° 60: 60° 70: 70° 06F: 6° V I \ b F - -A h - -\ I 10F: 10° R A X F i g.2 Designation L IC±0.02 T±0.02 I E±0.02 X e A a P b R Fig. DHF 6R/L 05-000NB60 32.0 6.0 2.5 8.5 0.5 7 60° 0° 3° 0.3 0.00 1 6R/L 13-000NB45 32.0 6.0 2.5 8.5 1.3 8 45° 0° 3° 0.3 0.00 1 Carbide Grades 6R/L 13-000BC45-06F 32.0 6.0 2.5 8.5 1.3 8 45° 0° 1° 6° 0.00 2 6R/L 15-000NB45 32.0 6.0 2.5 8.5 1.5 6 45° 0° 3° 0.3 0.00 1 6R/L 15-000BC45-06F 32.0 6.0 2.5 8.5 1.5 6 45° 0° 1° 6° 0.00 2 6R/L 15-000BC45-1OF 32.0 6.0 2.5 8.5 1.5 6 45° 0° 3° 10° 0.3 0.00 2 6R/L 19-000BC70-1OF 32.0 6.0 2.5 8.5 1.9 7 70° 0° 5° 10° 0.3 0.00 2 7R/L 20-000NB45 43.0 8.0 4.0 11.5 2.0 8 45° 0° 3° 0.5 0.00 1 7R/L 20-020NB45 43.0 8.0 4.0 11.5 2.0 8 45° 0° 3° 0.5 0.00 1 TTIP30 TTIM45 7R/L 15-000BC45-06F 43.0 8.0 4.0 11.5 1.5 8 30° 0° 1° 6° 0.00 27R/L 20-000BC30-1OF43.08.04.011.52.0845°o°3°10°0.50.002 7R/L 20-020BC45-1OF 43.0 8.0 4.0 11.5 2.0 8 45° 0° 3° 10° 0.5 0.00 2