HI Back-turning of Double-hole Back-turning of Double-hole HI Insert for Back-turning vw TC T 7 II i> -< ' /i Insert Machining Insert Insert Edge Corner-R Chipbreaker Lead Front Carbide gradesnameTypesizehandwidthnameanglerake angle 1C i ii >t! - > i ii--o(i!\\ \\jiTiAAA i i k / -j Insert Name Machining Type Insert Size @9 0 0 i r 7/ / i i \ \ i VW I \ \ \ Double Hole Type of insert B: Back Turning 6: insert length is 32.0mm7: insert length is 43.0mm i i i i iTiiiiih4h4// / \ / \ AAA L Insert Hand Edge Width Corner-R 0 eg EBB 00: no edge width 199 R: right handL: left hand 05: 0.5mm10: 1.0mm 000: 0.00 008: 0.0815: 1,5mm 200LR T 7Z / l I I I Chipbreaker Name Lead Angle Front Rake Angle I E 2L , I I I / i \ S3 BBS /t h -t h -\ V VA? \h -\)-I C a none: no front rake angle20: 20°30: 35°35: 35°08F: 8° Fig.1 10F: 10° L R NB Type BC Type i / \ / \ ik j i ij V 7 Carbide Grades I/ iI I V \ /Ik T T T TA - -\A - -\ \h~\IJ ulB e a TTIP30 TTIM45 Fig.2