BIG DAISHOWA High Performance Tooling Solutions Vol 1

SMART DAMPER OVERVIEW

UNIQUE DYNAMIC DAMPER ELIMINATES CHATTER Achieves high speed and high efficiency machining for work requiring a long projection length. SMART DAMPER BORING

EWN BORING HEAD Integrated Type

R

S P I N D L E S Y S T E M DUA L CON T AC T

COMPARISON OF OSCILLATORY WAVEFORMS The Smart Damper incorporates a damping mechanism and reduces chatter instantly. The Smart Damper solves various problems caused by chatter due to long projection, such as poor surface roughness, unacceptable cutting time, and shortened tool life.

PATENT # 9027720

SW BORING

With SMART DAMPER

CHATTER SUPPRESSING MECHANISM

An incorporated unique damper that functions as both a counterdamper and friction damper. Patented counterweight maximizes effect of the friction damper. Chatter is absorbed effectively and higher machining accuracy is achieved.

Damper Unit Eliminates Chatter

0

.05

.10

.15

.20

.25

.30

Time (s)

Without DAMPER

MEETS A VARIETY OF REQUIREMENTS

CK BORING SYSTEM

STRAIGHT SHANK FOR N/C LATHE

0

.05

.10

.15

.20

.25

.30

Time (s)

FINE BORING OF DUCTILE CAST IRON (FCD500)

Cutting Conditions Machine: HMC (BBT50) BIG-PLUS Boring Dia: Ø2.677" Depth of Hole: 16" (L/D=6:1) Insert Nose Radius: R .016"

Cutting Speed (SFM)

Result

Tool Holder

500

80

165 325

Outperforms competitor’s holder by 6X higher productivity. Superior surface finish and better tool life due to the increased cutting speed.

Competitor (w/o damping system)

Feed Rate: .008"/rev. Depth of Cut: .012"/Ø

Built-in damping mechanism SMART DAMPER

= Vibration

= Acceptable

= Excellent Surface Finish

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