Page 347 - Tungaloy Catalog

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

Shank

Boring & Internal facing øDm
93° Oil Hole
øDs
20˚ f
L2 f2
α L1
U θ
Cutting edge style
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 B rε
A16-ADUNR/L4-D20 d d 1.25 1.00 .672 12 1.77 .906 .177 −13° 30°
A20-ADUNR/L4-D25 d d 1.50 1.25 .859 14 1.96 1.18 .236 −11° −6° 20° .032 DNoo43o 2-54~
A24-ADUNR/L4-D32 d d 2.00 1.50 1.063 14 2.16 1.45 .275 −8° 15°
T-CBN inserts 3-7 T-DIA inserts 3-23

5

Basic Selection Chipbreakers DNuu43u-uu
Finishing to
Precision Finishing medium cutting Medium cutting Operation Finishing medium cutting Medium cutting
Finishing to
Operation
TAC Internal Toolholders Continuous Chipbreaker TF (.001-.020) TSF (.010-.060) TM (.020-.180) TH (.100-.220) Continuous Chipbreaker SS (.010-.040) SM (.010-.150) TH (.100-.220)
finishing
Grade
NS9530
T6120
GT9530
T9115
T6130
T9115
Grade
T6130
2-59
2-54
2-59
2-57
Page
2-54
Page
2-57
2-54
Steel
Stainless
(400-900)
(400-900)
Vc (SFM)
(400-900)
(300-550)
(400-800)
(250-400)
(250-400)
Vc (SFM)
ap (in)
ap (in)
(.003-.010)
(.003-.012)
(.008-.016)
(.008-.016)
f (in/rev)
(.008-.016)
(.001-.008)
(.001-.008)
f (in/rev)
.032
.032
.047
.047
.016
.016
.016
rε (in)
rε (in)
Finishing to
Finishing to
Operation
finishing
finishing
GH110
T5115
GH110
Grade
DX120
BX930
T5115
T5115
Grade
3-23
Page
Page Precision Finishing medium cutting Medium cutting Operation Precision Finishing medium cutting
3-7
2-55
2-57
2-60
2-54
2-59
T-CBN CF CM CH T-DIA With chipbreaker 01 P
Cast lron Chipbreaker Non-ferrous Chipbreaker
Vc (SFM) (300-1200) (450-1300) (400-1300) (450-1300) Vc (SFM) (1500-4000) (400-3000) (400-3000)
ap (in) (.001-.020) (.010-.040) (.020-.180) (.040-.230) ap (in) (.001-.025) (.001-.025) (.010-.150)
Continuous Continuous
f (in/rev) (.001-.006) (.001-.006) (.006-.012) (.008-.016) f (in/rev) (.001-.006) (.001-.008) (.008-.016)
rε (in) .016 .016 .032 .047 rε (in) .016 .016 .032
Precision Finishing to Precision
Operation Finishing Medium cutting Operation Finishing
finishing medium cutting finishing
Grade BX470 KS20 AH905 AH120 Grade BXM10 BXM20
Page 3-7 2-54 2-58 2-57 Page 3-7 3-7
T-CBN SS HMM All-round T-CBN T-CBN
Hard
Superalloys Chipbreaker Materials Chipbreaker
Vc (SFM) (300-800) (100-300) (120-350) (120-300) Vc (SFM) (800-900) (400-800)
Continuous ap (in) (.003-.008) (.010-.040) (.010-.040) (.020-.120) Continuous ap (in) (.001-.010) (.001-.010)
f (in/rev) (.001-.006) (.002-.008) (.004-.010) (.008-.016) f (in/rev) (.001-.006) (.001-.006)
rε (in) .016 .032 .032 .032 rε (in) .016 .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)
DNoo 43o ACP4S ACS-5W ASD432 CSTB-3.5 BP-7 SP-2.5 T-15F 4.0
Aooo-ADUNR/L4
DNoo 44o ACP4S ACS-5W ASD423 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.
Parts
5–46 Features Relating (13-1~)
(5-7)
pages