Brand：NTH
🐻 It‵s wedge-hook type 4 jaw closed center power chuck. Suitable for irregular workpiece.
𒉰 Matching surfaces of all parts are hardened, ground and lubricated directly.
🗹 Construction of high rigidity and high clamping accuracy and high rotary speed.
|
Spec
Model |
Plunger stroke mm |
Jaw stroke Dia. mm |
Max.D.B.Pull kgf |
Max clamping force kgf |
Max RPM |
|---|---|---|---|---|---|
| 4T-206 A5 | 20 | 9.2 | 17.9(1830) | 52.4(5350) | 5250 |
| 4T-208 A5 | 21 | 9.7 | 25(2550) | 74.5(7600) | 4750 |
| 4T-208 A6 | 21 | 9.7 | 25(2550) | 74.5(7600) | 4750 |
| 4T-210 A6 | 25 | 8.8 | 28.9(2950) | 107.8(11000) | 4000 |
| 4T-210 A8 | 25 | 8.8 | 28.9(2950) | 107.8(11000) | 4000 |
| 4T-212 A8 | 30 | 10.5 | 41(4180) | 155.8(15900) | 3000 |
| 4T-215 A11 | 35 | 16 | 82(8360) | 248.4(25350) | 3000 |
| 4T-218 A11 | 35 | 18.7 | 96(9687) | 248.4(25350) | 2000 |
| 4T-224 A15 | 35 | 18.7 | 82(8360) | 273(27838) | 1520 |
| 4T-232 A15 | 35 | 18.7 | 82(8360) | 215(21924) | 920 |
|
Spec
Model |
Chucking Dia mm |
I kg*m2 |
Weight kg |
Weight(Ad.) kg |
Matched cylinders |
Max Pressure Mpa(kgf) |
|---|---|---|---|---|---|---|
| 4T-206 A5 | 14-165 | 0.05 | 13 | 14 | S-100 | 3.0(30) |
| 4T-208 A5 | 17-210 | 0.14 | 24 | 28 | S-125 | 2.6(25) |
| 4T-208 A6 | 17-210 | 0.14 | 24 | 27 | S-125 | 2.6(25) |
| 4T-210 A6 | 22-254 | 0.3 | 35 | 42 | S-125 | 3.0(30) |
| 4T-210 A8 | 22-254 | 0.3 | 35 | 40 | S-125 | 3.0(30) |
| 4T-212 A8 | 22-304 | 0.73 | 59 | 63 | S-150 | 3.0(30) |
| 4T-215 A11 | 50-371 | 1.95 | 100 | 107 | S-200 | 3.2(32) |
| 4T-218 A11 | 78-450 | 3.5 | 134 | 140.2 | S-200 | 3.2(32) |
| 4T-224 A15 | 152-610 | 7.81 | 235 | 244 | S-200 | 3.2(32) |
| 4T-232 A15 | 100-810 | 31.2 | 400 | 416 | S-200 | 3.2(32) |
| Spec Model | A | B | B | C(H6) | D | D1 | D2 | E | E1 | F | G max | G min | G max | G min | H | J |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4T-206 A5 | 165 | 74 | 84 | 140 | 104.8 | 82.56 | 116 | 5 | 15 | 21 | 101.5 | 86.5 | 87.5 | 66.6 | 35 | 34 |
| 4T-208 A5 | 210 | 85 | 103 | 170 | 133.4 | 82.56 | 104.8 | 5 | 23 | 25 | 127 | 104 | 106 | 83 | 35 | 38 |
| 4T-208 A6 | 210 | 85 | 97 | 170 | 133.4 | 106.38 | 150 | 5 | 17 | 25 | 127 | 110 | 106 | 89 | 35 | 38 |
| 4T-210 A8 | 254 | 89 | 102 | 220 | 171.4 | 139.72 | 190 | 5 | 18 | 34 | 158 | 140 | 133 | 115 | 35 | 45 |
| 4T-212 A8 | 304 | 106 | 118 | 220 | 171.4 | 140.72 | 190 | 6 | 18 | 34 | 163 | 145 | 133 | 115 | 35 | 50 |
| 4T-215 A11 | 381 | 114 | 130 | 300 | 235 | 196.87 | 260 | 6 | 22 | - | 104 | 82 | 69 | 47 | 55 | 60 |
| 4T-218 A11 | 450 | 114 | 130 | 300 | 235 | 196.869 | 260 | 6 | 22 | 60 | 92 | 70 | 57 | 35 | 55 | - |
| 4T-224 A15 | 610 | 125 | 146 | 380 | 330.2 | 285.775 | 330.2 | 6 | 27 | 60 | 97 | 70 | 62 | 35 | 55 | - |
| 4T-232 A15 | 810 | 135 | 156 | 380 | 330.2 | 285.775 | 330.2 | 6 | 27 | 60 | 74 | 47 | 39 | 12 | 55 | - |
|
Spec Model |
L1 | L1 | L2 | M1 | M2 | M3 | N | P | R max | R min | S | T |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4T-206 A5 | 14 | 14 | 39 | M16×2 | 4-M10 | 4-M6 | 73 | 20 | 18 | 7.5 | 31 | 12 |
| 4T-208 A5 | 20 | 17 | 41 | M20×2.5 | 4-M12 | 6-M10 | 95 | 25 | 22.3 | 11.8 | 35 | 14 |
| 4T-208 A6 | 20 | 18 | 41 | M20×2.5 | 4-M12 | 4-M6 | 95 | 25 | 22.3 | 118 | 35 | 14 |
| 4T-210 A8 | 18 | 25 | 46 | M20×2.5 | 4-M16 | 4-M8 | 110 | 30 | 30.8 | 11.3 | 40 | 16 |
| 4T-212 A8 | 22 | 25 | 54 | M20×2.5 | 4-M16 | 4-M8 | 130 | 30 | 48.8 | 12.3 | 50 | 18 |
| 4T-215 A11 | 30 | 33 | 63 | M30×3.5 | 4-M20 | 4-M10 | 165 | 43 | 48.8 | 23.3 | 62 | 25.5 |
| 4T-218 A11 | - | 28 | 66.5 | M30×3.5 | 4-M20 | 4-M10 | 165 | 43 | 70.75 | 24.25 | 62 | 25.5 |
| 4T-224 A15 | - | 34 | 76 | M30×3.5 | 8-M24 | 4-M12 | 180 | 60 | 93.5 | 24.5 | 65 | 25 |
| 4T-232 A15 | - | 33 | 97 | M30×3.5 | 8-M24 | 4-M12 | 210 | 80 | 196.5 | 25.5 | 74 | 25 |
