BIG DAISHOWA High Performance Tooling Solutions Vol 4

KAISER BORING CUTTING CONDITIONS

SW N TYPE

Cutting Depth (in./ø)

Feed f (IPR)

Workpiece Material

Cutting Speed (RPM)

Head

A

Grade

Recommended Max

Recommended Max

Carbon Steel Stainless Steel

CW20PA CW20PA CW15KA CW15KA CW20PA CW20PA CW15KA CW15KA CW20PA CW20PA CW15KA CW15KA CW20PA CW20PA CW15KA CW15KA

600 530 530 330 660 600 600 330 725 660 660 330 725 660 660 330

.120 .100 .140 .120 .140 .120 .160 .120 .240 .200 .315 .235 .315 .200 .355 .315

.160 .140 .200 .160 .200 .180 .255 .220 .315 .235 .400 .315 .400 .315 .470 .400

.012 .010 .012 .010 .012 .010 .014 .012 .016 .014 .016 .014 .016 .014 .016 .014

.016 .014 .016 .014 .016 .014 .018 .016 .020 .018 .020 .018 .020 .018 .020 .018

SW32

4.06

Alloy Steel Cast Iron

Carbon Steel Stainless Steel

SW41

4.06

Alloy Steel Cast Iron

Carbon Steel Stainless Steel

SW53

4.06

Alloy Steel Cast Iron

Carbon Steel Stainless Steel

SW68 SW98 SW148

4.06

Alloy Steel Cast Iron

Application Examples Rough Boring of Carbon Steel (S55C) Using SMART DAMPER SW Head

Machine

Horizontal MC (BBT50)

E Type A Type

CCMM120404EFM SCMM120404EFM

Insert

Workpiece Material Cutting Speed (SFM)

S55C 1,650

Feed f ("/rev)

.016 .275

Cutting Depth ("/dia)

Coolant

Water-Soluble (Center Through)

Cartridge

Effective Boring Depth (in.)

Head

Holder

Extension

E Type

A Type

BBT50-CKB5-228

None None

15.9 17.3 19.7

○ ○ ○

CKB5-SW53DP-220

Chatter Chatter

BBT50-CKB5-263

CKB55-60

The use of the SMART DAMPER SW head enabled stable rough boring without chatter even at lengths of L/D=6 and above As well, stable machining was possible at even longer lengths through selection of an E type cartridge (approach angle 0°)

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