CHAMFER MILLS
C-CENTERING CUTTER A multifunction cutter capable of both spot drilling and chamfering.
COOLANT
THROUGH
Hole Chamfering
Centering & Chamfering Chamfering
L
L 1
H Min
H
øD
Catalog Number
Reference Number
øD
L
L 1
øC Min øC Max
H Min Insert
ST20-CN0220-45-110
806.622
.866 4.330 1.181
.079
.787
.012
CN0906
H = D/2 - 0.7 mm
• A wrench and a screw are included. Inserts are to be ordered separately • As the insert has a nose radius, spot drilled tip is not acute • Use with hand feed is not recommended
C-CENTERING CUTTER—3 INSERT
125
35
45º
H Min
Catalog Number
øD
øC Min
øC Max
H Min
Insert
ST32-CN1433-45-125
1.339
.551
1.299
.024
CN0906
• Wrench and screw are included; inserts tip is must be ordered separately • Centering is not possible
INSERTS FOR C-CENTERING CUTTER
Insert Grade
Catalog Number
Screw Set Catalog Number
øD
ACM250F (For Steel/Cast Iron/Stainless Steel)
DS20 (For Aluminum)
S4S-15IP
CN0906
.375
• Inserts are available in a packet of 10 pcs.; please specify the insert model number and grade when ordering Example: CN0906 ACM250F.........10 Pcs • The insert clamping screw set contains 10 screws and 1 wrench • Insert clamping screws and tightening wrench are consumables; order periodically for replacement or spares.
RECOMMENDED CUTTING CONDITION
• The table is just a reference to determine cutting conditions, it should be adjusted according to the condition of the machine tool and workpiece • Be sure to use water-soluble cutting fluid during spot drilling • For traverse chamfering, dry cutting (including air blowing) is recommended; however, if severe built-up edge occurs in aluminum machining, use water-soluble cutting fluid
Feed (IPT) Spot Drilling Traverse Chamfering
Cutting Speed Vc (SFM)
Workpiece Material
Carbon Steel, Alloy Steel
165-500 165-400 230-650 330-1000
.001-.003 .001-.002
Stainless Steel
.002-.008
Cast Iron
.001-.003
Aluminium, Non-ferrous Metals
583
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