Section L 25-26

CBN Cutter for High-Speed Cast Iron Milling RM

Cast Iron

Radial

-6° 45' -5° 45'

Rake Angle

Axial

Fig 1

Fig 2

BD

BD

DCSFMS DCB

DCSFMS

DCB KWW

KWW

ø13 ø20

DC D1

L

DC

High-speed, High-efficiency Milling for Cast Iron

● High-Efficiency Milling of Gray Cast Iron · Utilises solid SUMIBORON BNS800 for high-speed cutting of v c = 60 SFM. · High speed roughing with depth of cut up to 0.118" · Wiper insert for high-speed finishing ● Low Cost · Economical double-sided insert with 8 usable corners · Insert can be reground and used again ● Simple Runout Adjustment Mechanism · Simple design for insert direct mounting · Easy yet precise runout precision adjustment

Body 

Dimensions (mm)

Bore Dia. DCB 25.40 31.75 38.10 50.80

Keyway Width KWW

Keyway Depth KDP

Mounting Depth CBDP

Maximum Spindle Speed (min -1 )

Dia. DC

O.D. BD

Boss DCSFMS

Bolt D1

Height LF

Number of Teeth

Weight (kg)

Cat. No.

Fig

RM3080R RM3100R RM3125R RM3160R

● ● ● ●

80

90

60

50 50 63 63

9.5

6 8

25 32 38 38

6 9,000 1.6 1 8 8,000 2.1 2 10 7,000 3.9 2 12 6,000 5.9 2

-

100 125 160

110 135

70 46 80 59

12.7

15.9 10 19.1 11

170 100 80

Inserts are sold separately.

●USA Stock Standard Item

Insert 

Dimensions ( mm )

Grade

SUMIBORON

High-speed / Light General-purpose

K K K

Fig 1

Fig 2

Wiper Insert

Process

3.18

9.525

3.18

9.525

R 0.8

Roughing

Cat. No.

Fig

SNGN090308 SNGN090312 SNEN090308W

● ● ●

1 1 2

Wrench TTX20 (For Clamp)

TH015 (For Adjustment) TH020 (For Adjustment)

Adjustment SRFJ

CAUTION · Do not use inserts with different catalogue numbers, such as a mix of standard and wiper inserts, on a single cutter setting. · New and reground inserts cannot be mixed for use. Use either only new inserts or only reground inserts. · Inserts can only be reground once (inscribed circle dimension must be at least 9.125mm).

Insert

Shim RMS Flat Screw for Shim BFTX0307N

Double Screw WB6-16T

Clamp RMW

Recommended Cutting Conditions

Parts

Work Material

Insert Grade

Cutting Speed v c (SFM) Min. - Max.

Feed Rate f z (IPT) Min. - Max.

ISO

Hardness

Clamp Wrench (For Adjustment) RMW WB6-16T RMS BFTX0307N N m 2.0 SRFJ TTX20 TH015 TH020 Double Screw Shim Flat Screw for Shim Adjustment Screw Wrench (For Clamp) Wrench (For Adjustment)

Gray Cast Iron

BNS800 (Dry)

K

250HB 2,625 - 5,000 0.002 - 0.008

The cutting conditions above are a guide. Actual conditions will need to be adjusted according to machine rigidity, work clamp rigidity, depth of cut and other factors. Note

L126

N m Recommended Tightening Torque (N·m)

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