MILLING CHUCK
L
ℓ 3
C12
ℓ 2
Close Contact
ℓ 1
30
!!
No Vibration High Rigidity
φ33φ35
φD
Chuck Ring
Simple Chucking/Unchuking
!!
!! No Moving-up of End Mill
L
ℓ 3
C16 ～ C42
ℓ 2
ℓ 1
C
Centre Through MAX. 7MPa
φC 1
φD
Weight （ kg ）
ℓ 1
ℓ 2
ℓ 3
Code No.
D
C 1
L
TAPER
Collet
-C16- 55 - 70 NBT30-C12- 55
1.4 1.5 1.2 1.3 1.4 1.0 1.1 0.7 0.8 0.6 1.3 1.6 1.9 1.4 1.6 1.7 2.0 1.6 1.8 2.0 2.2 1.8 2.1 2.3 2.5 2.1 2.5 2.8 1.9 3.1
16 12
67 56 56 60 57 50 48
82 90 67 75 75 57 70 58
66 77 65 65 72 66 58 53
68 76 68 68 80 80 65 58
44 33
CCK12
KM12
CCK16
KM16
-C32- 90 ＊ 3 -100 -C25- 75 ＊ 2 - 80 - 90 -C20- 65 ＊ 1 - 75
52
20
CCNK20
CCK20
KM20
NK20
No.30
55 ＊ 4
25
CCNK25
KM25
NK25
CCK25
90 100 65 90 120
CCK32 CCNK32 KM32 ＊ 5
＊ 5
64 ＊ 4
32
NK32
NBT40-C12- 65
- 90
12
58
48
53
33
CCK12 KM12
-120 -C16- 60 - 90 -105 - 75 -120 -C20- 70
63 75 90
16
50
58
65
44
CCK16 KM16
120 70 90 105 120 105
- 90 -105 -120
No.40
20
57
66
52
NK20 CCK20 CCNK20 KM20
80
-C25- 70
70 90
- 90 -105 -120
25
60
72
60
CCK25 CCNK25 KM25 NK25
105 120 85 105 120 135
-C32- 85
77 81 81 81
64 70 70 70
77 81 81 81
-105 -120 -135
32
69
CCK32 CCNK32 KM32 NK32
★ Please refer
P.176 for heavy duty type milling chuck with larger arbor diameter.
★ ＊ 5 NK32 and CCNK32 collet can not be used on NBT30-C32-90. ★ Please refer P.280, P.281 for KM , NK , CCK , CCNK collet. ★ CKFN-D and CKFN-DC （ With O-ring ） can be used for the direct chucking application, when centre through tool coolant. CCK collet and CKFN nut can be used for collet application. ★ For “ L ” dimension of centre through coolant type milling chuck is same as the above standard, however , refer P.34 for Code No. ★ For “ L ” dimension of flange through coolant type milling chuck is same as the above standard, however , refer P.34 for Code No. ★ Spanner is available as an option. C12 : 9HC12A, C16: 9HC16, C20: 9HC22, C25 ( ɸ C 1 =55mm) : 9HC22, C25 ( ɸ C 1 =60mm) , C32 ( ɸ C 1 =64mm) : 9HC25, C32 ( ɸ C 1 =69mm) : 9HC32, C42: 9HC42 ＊ 4 C25 ( ɸ C 1 =55mm ) : 9HC22, ＊ 4 C32 ( ɸ C 1 =64mm ) : 9HC25 . ★ Please note the acceptable shank tolerance is h7. ★ The milling chucks marked ＊ 1, ＊ 2 and ＊ 3 may not be used by the restriction of the diameter under V flange of your M/C. ★ FS （ Face Seal ） types are available for C25 ～ C42 of NBT40/NBT50 . There are 2 types; FSJ : With J groove, FS : Without J groove
FS type For machining of aluminum JAPAN PAT.
175
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