BIG DAISHOWA High Performance Tooling Solutions Vol 4

KAISER ROUGH BORING HEADS

MW BORING HEAD PAT. RANGE: ø.630"-.827" Delivers high-efficiency, precision rough boring in small diameters with a 2-insert design.

COOLANT

THROUGH

L

A

3.150

Catalog Number

Spare Clamp Bolt Set

Spare Belleville Spring (4pcs)

Weight (lbs.)

øD

Cartridge

L

A

ST20-MW1619-45 ST20-MW1619-60 ST20-MW1821-50 ST20-MW1821-65

5.354 5.945 5.551 6.142

1.772 2.362 1.969 2.559

.53 .57 .57 .62

.630-.748

MW1619E

MW16SS

MW16BS

.709-.827

MW1821E

ACCESSORIES

• Clamp Bolts and Belleville Springs are included with the body; cartridges and inserts must be ordered separately • Cartridge models are a 2-piece set

• Cartridge includes insert clamping screws and wrench • The weight is that of the body and cartridge combined • The spare Clamp Screw Set contains two clamping screws and two washers

SPARE PARTS PG. 482

Blind Hole

Through Hole

Threads for plug screws are prepared in the coolant holes to change the coolant directions.

Cutting Conditions

Workpiece Material Carbon Steel Stainless Steel

Cutting Speed Vc (SFM)

Feed Rate f (IPR)

Cutting Depth (in/ø)

430-600 330-460 400-660 600-925

.004-.008 .006-.010 .004-.012 .008-.012

.080-.120 .060-.100 .040-.160 .060-.160

Cast Iron Aluminum

• Generally for use with center-through coolant • Cutting speed must be lowered for external oil supply • Blind hole processing may damage inserts and tools, as cutting chips clog at the back of the hole • Remove cutting chips at the small bottom of the hole several times for processing

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