H Font-turning of Duble-hole Font-turning of Duble-hole HI Insert for Front - turning TC vw T 7 II > -< i i ' i i i / i > i IC !> (! \ i- - i \ insert Machining nsert Insert Edge C o r n e r-R Chipbreaker Lead Front Carbide grades i T -< i M \ i name Type size hand width name angle rake angle i i AAA i / k - j Insert Name Machining Type Insert Size @9 s B l r / i / 7 i \ \ i VW I i i i i \ \ \ i 6: insert length is 32.0 mm i i i i i Double Hole Type of insert F: FrontTurning 7: insert length is 43.0 mm T / h 4 \ / h 4 \ / / AAA L Insert Hand Edge Width Corner -R EBB L R I F. o 0 .7 I / I <- X \ / X I I \ I I I x. .A A. j R: right hand 15: 1.5 mm 20: 2.0 mm 197 000: 0.00 020: 0.20 198 L: left hand v α θ 7 I I i / E > i i i \ \ \ ^ I l \ F - -K b h - -{ h - -K L _, I A R X F i g.1 e Chipbreaker Name Lead Angle EE Front Rake Angle EES L <• β > i R I rr I / / <- X \ / \l X I I X . X > X J I V X θ f » 7 I I / / I I α E I I X \ none: no front rake angle i t \ i 30: 30° 45 : 45° 60: 60 ° 70: 70 ° 06F: 6 ° V I \ b F - -A h - -\ I R A 10F: 10° X F i g.2 Designation L I C±0 . 0 2 T± 0 . 0 2 I E± 0 . 0 2 X e A a P b R F i g. DHF 6 R / L 05- 000 NB 60 32.0 6.0 2.5 8.5 0.5 7 60° 0° 3° 0.3 0.00 1 6 R / L 13- 000 NB 45 32.0 6.0 2.5 8.5 1.3 8 45 ° 0° 3° 0.3 0.00 1 6R /L 13 - 000 BC 45 - 06 F 32.0 6.0 2.5 8.5 1.3 8 45 ° 0° 1° 6° 0.00 2 Carbide Grades 6 R / L 15- 000 NB 45 32.0 6.0 2.5 8.5 1.5 6 45 ° 0° 3° 0.3 0.00 1 6R /L 15 - 000 BC 45 - 06 F 32.0 6.0 2.5 8.5 1.5 6 45 ° 0° 1° 6° 0.00 2 6R /L 15 - 000 BC 45 - 1 OF 32.0 6.0 2.5 8.5 1.5 6 45 ° 0° 3° 10 ° 0.3 0.00 2 6R /L 19 - 000 BC 70 - 1 OF 32.0 6.0 2.5 8.5 1.9 7 70° 0° 5° 10 ° 0.3 0.00 2 7R / L 20- 000 NB 45 43.0 8.0 4.0 11.5 2.0 8 45 ° 0° 3° 0.5 0.00 1 7R / L 20- 020 NB 45 43.0 8.0 4.0 11.5 2.0 8 45 ° 0° 3° 0.5 0.00 1 7R /L 15 - 000 BC 45 - 06F 43.0 8.0 4.0 11.5 1.5 8 30 ° 0° 1° 6° 0.00 2 TTIP 30 TTIM45 7R /L 20 - 000 BC 30 - 1 OF 43.0 8.0 4.0 11.5 2.0 8 45 ° o° 3° 10 ° 0.5 0.00 2 7R /L 20 - 020 BC 45 - 1 OF 43.0 8.0 4.0 11.5 2.0 8 45 ° 0° 3° 10 ° 0.5 0.00 2