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
422
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