Section E 25-26

Boring Bars D-DDUN / BMDLN

Coolant Hole Steel with Anti-Vibration Mechanism

Profiling Double Clamp

93˚

D-DDUN Profiling

DCON

DMIN Min. Bore Dia. With oil hole

Fig 1

93°

H

LF

GAMF

-6°

Figure shows right-hand (R) tool.

LHD

E

Holder

Parts

Dimensions (inch/ mm )

Applicable Insert

Shim Screw

Upper Surface Wrench

Lower Surface Wrench

Cutting Edge Distance

Stock Min.

Clamp Set Shim

Overall Length

Rake Angle

Diameter Height

Head

Bore Dia.

Cat. No.

Fig

C

R L

Cat. No.

N m

DMIN DCON H LF WF LHD GAMF

(For Hex Socket)

(For Hex Socket)

D20TDDUNR4 D24UDDUNR4

• •

Steel with Oil Hole with Anti-Vibration Mechanism Steel with Oil Hole with Anti-Vibration Mechanism

1.705 1.250 1.250 12.00 1.000 — 2.000 1.500 1.500 14.00 1.250 —

-10° -10°

1 SCP-2 5.0 DNS1506B BFTX0409N LH040 LH025

DN □□ 43

B32

1

D32T-DDUN R/L1104-40   40 D32T-DDUN R/L1506-40   40 D40U-DDUN R/L1506-50   50

32 30 300 22 26 -10° DN □□ 33

B31 1 SCP-1 5.0 DNS1104B BFTX0307N LH040 LH025

D

32 30 300 22 26 -12° 40 37 350 27 26 -12°

1 SCP-2 5.0 DNS1506B BFTX0409N LH040 LH025

DN □□ 44

B36

1

Right-handed (R) tool holders are compatible with left-handed (L) or neutral (N) inserts. Left-handed (L) tool holders are compatible with right-handed (R) or neutral (N) inserts.

C3

Clamp Set Parts

R

Steel

Internal Boring BMDLN

DMIN Min. Bore Dia.

S

GAMF

5

DCON

T

H

LF

V

Holder

Parts 

Dimensions (inch)

Min. Bore Dia.

Cutting Edge Height

Cutting Edge Distance

Applicable Insert

Overall Length

Rake Angle

Wrench Wrench Shim Cam Clamp Screw

Diameter Height

Width

W

Cat. No.

Fig

Ref. Page

R L

Cat. No.

N m

DMIN DCON H HF LF WF W GAMF

(For Hex Socket) (For Hex Socket)

BMDLN R/L 204 • • 2.000 1.250 — — 14.00 1.000 1.280 -5 ° DN □□ 4 3□ B32 1

LH030 LH040 SDW423 CPB43 CCM8FL WB8F-20

Wrench for shim is sold separately from the main body.

Applicable Inserts S-DDQN / S-DDUN / D-DDUN / S-PDUN / S-EDUN / S-PDZN / S-EDZN EGU Name of Chipbreaker / CBN / PCD

1st Recommended Insert ● Refer as well to the Insert Selection Guide (page A10).

Photo Grade

● Some combinations need to be made to order or cannot be manufactured.

AC8025P

Cutting Range N (Non-ferrous) H (Hardened Steel) Hard Brittle Material Finishing Medium Cutting Roughing Finishing Medium Cutting Roughing High-speed Finishing Finishing to Medium Cutting Medium to Roughing Finishing Medium Cutting Roughing High-precision/Finishing Finishing to Medium Cutting Coated Uncoated Finishing Continuous Cutting EFE T1500Z EGU AC8015P EMU AC8025P EEF AC6020M EEG AC6020M EEM AC6030M CBN BN7000/BNC500 EUZ AC4010K EGZ AC4010K EEF AC5015S EEG AC5015S EEM AC5015S PCD DA1000 AX H1/DL1000 CBN BNC2010 CBN BN1000 Binderless PCD NPD10 Process P (Steel) M (Stainless Steel) K (Cast Iron) S (Exotic Alloy)

CBN

CBN

PCD

ESU

EGU

EMU

EEG

EEM

EGZ

EGZ

EEF

EEG

EEM

AX

EEF

CBN

PCD

General Cutting

AC8015P

AC8025P

AC8025P

AC6030M

AC6030M

AC6040M

BN7000/BNC500

AC4015K

AC4015K No Chipbreaker

AC5015S

AC5015S

AC5025S EEM

DA1000

H1/DL1000

BNC2020

BN2000

DA90

CBN

EUX

EEF

EEG

EGZ

EEF

EEG

EEM

ESX

EMX

CBN

PCD

CBN

Interrupted Cutting Recommended Cutting Conditions

AC8025P

AC8035P

AC8035P

AC6030M

AC6040M

AC6040M

BN7000/BNC500

AC4125K

AC4125K

AC5025S

AC5025S

AC5025S

BNC300

BN350

DA1000

A10

A14

A16

A18

A22

A20

M2

E19

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