CHAMFER MILLS
CENTER BOY Accurate Positioning of Drill Holes and Chamfering Can be Performed Simultaneously
Locking Screw
L
Fig. 1—Standard Type
L
L 1
Locking Screw
Fig. 2—Long Type
Chamfer Dia.
Point Angle
Catalog Number
Insert Model
Spare Locking Screw
Fig.
øD 1
L
L 1
øCmin
øCmax
ST10-CBY09010 ST12-CBY09013 ST16-CBY09016 ST20-CBY09022
1 1 1 1
.035 .035 .039 .059
.394 .512 .630 .866
.394 .472 .630 .787
5.906 5.906 7.087 7.087 8.661
CBY09010 CBY09013 CBY09016 CBY09022
H0403-5P H0504-5P H0504-5P H0505-5P
—
90º
ST20-CBY09013-220
2
.035
.512
.787
4.724
CBY09013
H0403-5P
-260
10.236 10.236 11.811
ST32-CBY09022-260
2
.059
.866
1.260
4.724
CBY09022
H0505-5P
-300
ST12-CBY12013
120º
1
.035
.512
.472
5.906
—
CBY12013
H0403-5P
Hand feeding is not recommended. ! CAUTION
• Wrench and screws are included, inserts must be ordered separately
CENTER BOY THROWAWAY BIT Precision-Finished Cutting Edge with Superb Sharpness Since the bit can be replaced, there is no need for regrinding and the performance remains stable at all times.
Point Angle
Catalog Number
Body Model
CBY09010 CBY09013 CBY09016 CBY09022 CBY12013
ST10-CBY09010
ST12-CBY09013/ST20-CBY09013
90º
ST16-CBY09016
ST20-CBY09022/ST32-CBY09022
120º
ST12-CBY12013
• Bits are sold as 5-piece sets. • High-speed steel/TiN coating (Bit material)
Chamfering
Centering Cast Iron
Catalog Number
Steel
Cast Iron
Aluminum
Steel
Aluminum
Vc 65
f
Vc 65
f
Vc
f
Vc 80
f
Vc
f
Vc
f
CBY09010... CBY09013... CBY12013... CBY09016... CBY09022...
150
100
165
80
80
165
100
115
180
.004
.005
.006
.003
.004
.006
100 115
115 130
180 200
150 165
130 150
200 215
• Vc: Cutting speed (SFM) f: Feed (in/rev) • The values in this table are only for reference and should be adjusted based on workpiece hardness, rigidity, and chamfering amount
• Lower the cutting speed Vc if chatter occurs • Keep the projection length as short as possible
584
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