Page 348 - Tungaloy Catalog

A-type Negative rake / Double clamping system
ASKNR/L Steel

Shank

Through boring øDm
75°
øDs Oil Hole
f
L2 f2
α L1

Cutting edge style K θ
Right hand (R) shown.
Stock Min Dimensions (in) Std. Applicable
Cat. No. bore.dia. corner inserts Page
R L ØDm øDs f L1 L2 h f2 α θ rε
A16-ASKNR/L4-D20 d d 1.25 1.00 .672 12 1.77 .906 .177 −13°
A20-ASKNR/L4-D25 d d 1.50 1.25 .859 14 1.96 1.18 .236 −10° −6° .032 SNoo 43o 2-62~
T-CBN inserts 3-8 T-DIA inserts 3-23
Basic Selection Chipbreakers SNuu43u-uu
Finishing to
Finishing to
Operation Precision Finishing medium cutting Medium cutting Operation Finishing medium cutting Medium cutting 5
finishing
Grade NS9530 GT9530 T9115 T9115 Grade T6120 T6130 T6130
Page 2-62 2-62 2-65 2-68 Page 2-63 2-65 2-68
TF TSF TM TH SS SM TH
Steel Chipbreaker Stainless Chipbreaker
Vc (SFM) (400-800) (400-900) (400-900) (400-900) Vc (SFM) (300-550) (250-400) (250-400)
Continuous ap (in) (.001-.020) (.010-.060) (.020-.180) (.100-.220) Continuous ap (in) (.010-.040) (.010-.150) (.100-.220)
f (in/rev) (.001-.008) (.003-.010) (.008-.016) (.008-.016) f (in/rev) (.001-.008) (.003-.012) (.008-.016)
rε (in) .016 .016 .032 .047 rε (in) .016 .032 .047 TAC Internal Toolholders
Finishing to
Finishing to
Operation Precision Finishing medium cutting Medium cutting Operation Precision medium cutting
finishing
finishing
Grade BX930 T5115 T5115 T5115 Grade DX140 GH110
Page 3-8 2-63 2-66 2-68 Page 3-23 2-67
T-CBN CF CM CH T-DIA P
Cast lron Chipbreaker Non-ferrous Chipbreaker
Vc (SFM) (300-1200) (450-1300) (400-1300) (450-1300) Vc (SFM) (1500-4000) (400-3000)
ap (in) (.001-.020) (.010-.040) (.020-.180) (.040-.230) ap (in) (.001-.025) (.010-.150)
Continuous Continuous
f (in/rev) (.001-.006) (.001-.006) (.006-.012) (.008-.020) f (in/rev) (.001-.006) (.008-.016)
rε (in) .016 .016 .032 .047 rε (in) .016 .032
Finishing to
Operation Finishing medium cutting Medium cutting Operation Finishing
Grade BX480 AH905 AH120 Grade BXM20
Page 3-8 2-66 2-67 Page 3-8
T-CBN HMM SA T-CBN
Hard
Superalloys Chipbreaker Materials Chipbreaker
Vc (SFM) (230-900) (120-350) (120-300) Vc (SFM) (400-800)
ap (in) (.003-.008) (.010-.040) (.040-.157) ap (in) (.001-.010)
Continuous Continuous
f (in/rev) (.001-.010) (.004-.010) (.008-.016) f (in/rev) (.001-.006)
rε (in) .016 .032 .032 rε (in) .016
For other machining types, see “Selection System” 2-6~

Parts for A-type
Clamp Clamping Shim Shim screw Spring Springpin Wrench
screw
Recommend
Cat. No. Applicable clamping
inserts torque(N·m)

Ahhh-ASKNR/L4 SNoo 43o ACP4S ACS-5W ASS422 CSTB-3.5 BP-7 SP-2.5 T-15F 4.0
Note: Replacement parts of former A-type toolholders are not applicable to “Turning A” toolholders.

 : Stocked items.
Most unmarked items are available on a RFQ basis, contact your sales rep for more information.
Features Relating Parts 5–47
(5-7) pages (13-1~)