MIT HIGH SPEED MILLING CHUCK
L
ℓ 3
ℓ 2
ANNIVERSARY Type ー Powerful gripping torque ー ● High rigidity ● High precision ● Compact design
ℓ 1
φC
φD 1
1
φD
C-G Centre Through MAX. 7MPa
High Speed
ℓ 2
ℓ 3 58 65 80 75 -
ℓ 1
Code No.
C 1 33 44 52 60 64 33 44 52 60
D 12 16 20 25 32 12 16 20 25
D 1 12 16 20 25 25 12 16 20 25
L 90 60 80 85 95 105
TAPER
Collet
MAX. ( r/min )
Weight ( kg) 1.6 1.4 1.6 2.1 2.1 2.5 4.0 4.2 4.5 4.8 4.3 4.6 5.1 5.5
MIT 40 -C 12 - 90 G -C 16 - 60 G -C 20 - 80 G -C 25 - 85 G -C 32 - 95 G ＊ - 105 G MIT 50 -C 12 - 105 G
48 50 59 61 67 48 51 59 61
53 57 66 70 82 81 53 58 66 72
30,000 25,000 25,000 20,000 20,000 20,000 20,000 20,000 20,000
KM12 KM16
CCK12
CCNK20 CCK20 CCK16 CCNK25 CCK25
KM20 KM25
No.40
KM32
CCNK32 CCK32
95 58 65 80 80
KM16 KM12
CCK16 CCK12
-C 16 - 105 G -C 20 - 105 G -C 25 - 105 G -C 32 - 90 G ＊ - 105 G - 120 G -C 42 - 95 P ＊
105
KM20 KM25
CCNK20 CCK20 CCNK25 CCK25
No.50
90 105 120 95
70
107
81
69
32
25
15,000
KM32
CCNK32 CCK32
74
85
86
42
42
80
15,000
KM42
CCNK42 CCK42
★ Please note the acceptable shank tolerance is h6. ★ GH Handle is available as an option. P.299 C12G : GH12, C16G : GH16, C20G : GH20, C25G : GH25, C32G : GH32 ★ Spanner for C42P is 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 be used 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 ＊ . ★ Please refer P.279 for Milling Chuck Coolant Solution.
C20 Explanation of the Code No. G MIT40 70
Nominal Gauge Length Symbol of High Speed
Chucking Capacity
Symbol of Milling Chuck
Shank No.
MIT MINI-MINI CHUCK ADVANCED ALPHA
Clamp/unclamp just with a wrench
MAX. 30,000r/min Gripping from Front Nose Run-Out Accuracy ： 3 μ m at 4D The best chuck for the small dia.cutting tool
L
within 3um
L 2
L 1
φ D
φ 44.5
4D
Centre Through MAX. 7MPa
φ D 1
MMC12C : φ 52.4
MMC
JAPAN PAT.
★ : MMC12 ＝ φ52.4
Weight (kg)
Chucking Range φ D
φ D 1
MAX. ( r/min )
TAPER
Code No.
L
L 1 33 40 35 60 33
Collet
MIT40-MMC 8C- 90-AA -120-AA -MMC12C- 90-AA -120-AA MIT50-MMC 8C-105-AA
1.4 1.5 1.7 1.8 4.4 4.5 4.6 4.6 4.7 4.8
90 120 90 120 105 135 165 105 135 165
PMK 8 PMK 8 PMK12 VMK12 PMK 8 PMK 8
2 ～ 8
20
30,000
No.40
4 ～ 12
30
30,000
2 ～ 8
-135-AA -165-AA -MMC12C-105-AA
20
20,000
40
No.50
35 60 70
PMK12 VMK12
4 ～ 12
-135-AA -165-AA
30
20,000
★ Wrench EA573KL-6 : MMCL4, 8 MMCL12-M6W : MMC12 （ MIT40 ） :
MMCL12-M6T62 : MMC12 （ MIT50 ） is attached as standard.
★ MPK, PMK, VMK collet is available as an option. Please refer P.290 ★ Please add “ F ” for the flange through tool coolant type; MIT40-MMC 8F- 90-AA,120-AA -MIT50-MMC 8F-105-AA,120-AA -MMC12F- 90-AA,120-AA -MMC12F-105-AA,120-AA ★ Please refer P.289 for MPK, PMK, VMK Coolant Solution.
169
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