MIT TOOLING SYSTEM
What is MIT Shank Tooling?
MIT Shank is for IT shank. IT shank is based on ISO 7388/1-'83 (DIN69871-'90) and its flange has an unsymmetrical shape. -Depth of Drive Key Slots are different. -V Notch on one side. Therefore, MIT shank Multi-Lock Milling Chuck, MINI-MINI Chuck, Slim Chuck and VC Holder have a flat cut just under the V flange for mass balancing as standard.
Short
Long
IT-X has to be balanced by machining this area due to the unsymmetrical design of IT （ Drive Key Slot and V Notch ） .
V Notch
MIT MULTI LOCK MILLING CHUCK
ANNIVERSARY Type ー Powerful gripping torque ー ● High rigidity ● High precision ● Compact design
The cutting chips show us the actual machining capability. Quiet, high speed heavy milling high speed heavy milling Stable finishing Stable finishing
L
ℓ 3
ℓ 2
ℓ 1
C
φ C
φ D
φ D 1
Centre Through MAX. 7MPa
ℓ 1
ℓ 2
ℓ 3
TAPER
Code No.
C 1
D
D 1
L 90 120 60 90 120 80 90 120 85 120 95 105 120 105 165 105 165 200 105 165 200 105 135 165 90 105 120 135 165 95 120 135 165
Collet
1.6 1.9 1.4 1.7 2.0 1.6 1.8 2.2 2.1 2.5 2.1 2.5 2.8 4.0 4.6 4.2 4.8 5.1 4.5 5.1 5.7 4.8 5.2 5.6 4.3 4.6 5.1 5.6 6.4 5.5 6.6 7.2 8.6 Weight (kg)
MIT40-C12- 90
KM12 CCK12
12
33
12
48
53
58
-120 ＊ 1
-C16- 60
- 90 ＊ 1 -120
KM16 CCK16
16
16
44
51
58
65
-C20- 80 - 90 -120 -C25- 85 -120 -C32- 95 ＊
No.40
KM20
NK20 CCK20 CCNK20
20
20
52
59
66
80
70 72 82 81 77 53
75 80 - 95 107 58
KM25 CCK25 CCNK25 NK25
25
25
61
60
KM32 CCK32 CCNK32 NK32
-105 -120 MIT50-C12-105
32
25
67
64
KM12 CCK12
12
12
48
33
-165 ＊ 1
-C16-105
-165 ＊ 1 -200 ＊ 1 -165 ＊ 1 -200 ＊ 1 -135 ＊ 1 -165 ＊ 1
KM16 CCK16
16
16
51
58
65
44
-C20-105
KM20 CCK20 CCNK20 NK20
20
20
59
66
80
52
-C25-105
No.50
KM25 CCK25 CCNK25 NK25
25
25
61
72
80
60
-C32- 90 -105 -120 -135 -165 -C42- 95 ＊
KM32 CCK32 CCNK32 NK32
32
25
70
81
107
69
80 100 115 115
85 110 125 125
-120 ＊ 1 -135 ＊ 1 -165 ＊ 1
KM42 CCK42 CCNK42 NK42
42
42
74
86
★ Spanner is available as an option. C12 （ φ 30 ） : 9HC12, C12A （ φ 33 ） : 9HC12A, C16:9HC16, C20:9HC20, C25:9HC25, C32& φ C1=64:9HC25, C32:9HC32, C42:9HC42 ★ Please note the acceptable shank tolerance is h7. ★ Please refer P. 280, P. 281 for KM , CCK and CCNK collets. ★ For heavy duty milling, please grip the end mill shank longer than ℓ 1 . ★ Stopper for direct chucking can not beused for MIT40-C32- 95 ＊ and MIT50-C42- 95 ＊ The Code No. of the stopper C20:9MC20, C25:9MC25, C32:9MC32, C42:9MC42
★ NK and CCNK Collet can not be used for MIT50-C42- 95 ＊ . ★ MIT Milling Chucks marked ＊ 1 are available as an option. ★ MIT50-C32-200, 250 and MIT50-C42-200, 250 are available as an option. ★ C22 style is available. ★ Please add “ F ” for the flange through tool coolant type;
★ Please refer
P.279 for Milling Chuck Coolant Solution.
MIT40-C20F- 90, MIT50-C20F-105 -C25F- 90, -C25F-105 -C32F-105,
-C32F-105 -C42F-120
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