Общий каталог Sumitomo 2018 - 2019 - страница 535

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CBN Small Hole Boring Bar Systems

BSME/SEXC Series

Features Basic System

- New ultra small boring bar

with CBN cutting edge Sleeve

- Internal coolant

- Easy setting and handling

- High accuracy

- Carbide body for high rigidity

- One sleeve for different diameters CBN-Insert Boring bar (internal coolant)

2 Types of CBN Small Hole Boring Bar System

BSME - CBN Brazed Cutting Edge Type SEXC - Indexable CBN Insert Type

Min. bore diameter: Ø2,5-5,0mm Min. bore diameter: Ø4,0-6,0mm

2 corner inserts Unique cutting edge shape

with high qualityInternal coolantInternal coolant
and sharpnesshole (standard)hole (standard)

Clamp screws Clamp screws

Sleeve Sleeve Location pin Location pin Boring bar Boring bar Clamp screws Excellent repeatability of boring bar (deviation within 0,020mm) Location pin for controlled cutting edge position

Application Range Recommended Cutting Conditions

Spindle Speed Low speed may cause chat-
>2000min-1 tering and chipping on the
(n)
SEXCcutting edge.
Type
BSME Excessive depth of cut may
Typecause larger tool deflection
0,01 - 0,15mm Depth of Cut (a
p) resulting in deterioration of
bore accuracy.
2,0 3,04,0 5,06,0

Feed Rate (f) 0,01 - 0,1mm/rev -

Bore Diameter (mm)