12 Inch Chuck Capacity, Hard Master Lathe Chuck Jaw 2Pc (T)
12 Inch Chuck Capacity, Hard Master Lathe Chuck Jaw 2Pc (T)
Technical features:
1. Adopt the advanced alloy steel material, all with the surface by surface
hardening treatment, in order to improve the accuracy and durability.
2. It is a wedge-hook type 3 jaw with the large through-hole.
3. Matching surfaces of all parts hardened, ground and lubricated directly.
4. Construction of high rigidty and high clamping accuracy
5. with flange connection, A connection.
6. Supports large clamping forces and high speeds
7. Suitable for clamping part of a workpiece inserted into the thru hole, checking
the seating, or modifying spindle coolant specifications.
8. Capable of bar-feeding
There are three questions to answer to aid the correct choice of power chuck:
1. Type and model of CNC lathe.
2. Length of workpiece?
3. Outer diameter of workpiece?
4. Processing requirement?
Size Parameters
| Model/Spec | A | B | C (h6) | D | E | E1 | F | G | H | J | K | L | M |
| YK3-05" | 135 | 60 | 110 | 63.513 | 20 | - | 4 | 96 | 82.6 | 33 | 3-M8×1.25P | 15 | 14 |
| YK3-06“ | 169 | 81 | 140 | 82.563 | 15 | - | 5 | 116 | 140.8 | 45 | 6-M10×1.5P | 16 | 20 |
| YK3-08" | 210 | 91 | 170 | 106.375 | 17 | 23 | 5 | 150 | 133.4 | 52 | 6-M12×1.75P | 18 | 25 |
| YK3-10" | 254 | 100 | 220 | 139.719 | 18 | 28 | 5 | 190 | 171.4 | 75 | 6-M16×2P | 19 | 30 |
| YK3-12" | 304 | 110 | 220 | 139.719 | 18 | - | 6 | 190 | 171.4 | 91 | 6-M16×2P | 25 | 30 |
| YK3-15" | 381 | 133 | 300 | 196.869 | 22 | 33 | 6 | 260 | 235 | 117.5 | 6-M20×2.5P | 28 | 43 |
| YK3-18" | 450 | 133 | 300 | 196.869 | 22 | 33 | 6 | 260 | 235 | 117.5 | 6-M20×2.5P | 28 | 43 |
| Model/Spec | N (max) | N (min) | O (max) | O (min) | P (max) | P (min) | Q | R | S | U | W | X | Y |
| YK3-05" | - | - | 19 | 6 | 1 | -9 | 25 | 10 | 20 | M40×1.5P | 31.5 | 62 | - |
| YK3-06" | 32.35 | 29.6 | 24 | 7 | 11 | -1 | 31 | 12 | 19 | M55×2P | 37 | 73 | - |
| YK3-08" | 38.7 | 35 | 29.75 | 14.75 | 14.5 | -1.5 | 35 | 14 | 20.5 | M60×2P | 39 | 95 | 104.8 |
| YK3-10" | 51.5 | 47.1 | 34 | 12 | 8.5 | -10.5 | 40 | 16 | 25 | M85×2P | 43 | 110 | 133.4 |
| YK3-12" | 61.6 | 56.3 | 46 | 12 | 8 | -15 | 50 | 21 | 28 | M100×2P | 51 | 129 | - |
| YK3-15" | 82.3 | 77 | 46 | 13 | 7 | -16 | 62 | 22 | 42.5 | M130×2P | 66 | 165 | 171.4 |
| YK3-18" | 82.7 | 76.7 | 79.25 | 13.75 | 7 | -16 | 62 | 24 | 42.5 | M130×2P | 66 | 165 | 171.4 |
It is recommended to grease chucks at least twice a day in order to maximize longevity
Performance Parameters
| Model/Spec | Nose of spindle | Thru-Hole (Diam) (mm) | Plunger Stroke (mm) | Jaw Stroke (Diam) (mm) | Max. Speed (r.p.m) | Max. Pull Force (kgf) | Max. Gripping Force (kgf) | Max. Hydr. Pressure (kgf/cm²) | Net weight (kg) | Matching Cylinder | Gripping Ranger |
| YK3-05" | A24 | 33 | 10 | 5.4 | 7000 | 1730 | 3570 | 29 | 6.1 | TK536 | Ø10~Ø135 |
| YK3-06" | A25 | 45 | 12 | 5.5 | 6000 | 2140 | 5710 | 28 | 12.5 | TK646 | Ø15~Ø169 |
| YK3-08" | A26 (A25) | 52 | 16 | 7.4 | 5000 | 2549 | 5876 | 27 | 23.6 | TK852 | Ø20~Ø210 |
| YK3-10" | A28 (A25) | 75 | 19 | 8.8 | 4200 | 4280 | 11010 | 27 | 33.7 | TK1075 | Ø25~Ø254 |
| YK3-12" | A28 | 91 | 23 | 10.6 | 3300 | 5500 | 14380 | 27 | 55.3 | TK1291 | Ø30~Ø304 |
| YK3-15" | A211 (A28) | 117.5 | 23 | 10.6 | 2500 | 7240 | 18250 | 25 | 106.8 | TK1512 | Ø35~Ø381 |
| YK3-18" | A211 (A28) | 117.5 | 23 | 10.6 | 2000 | 7240 | 18250 | 25 | 171 | TK1512 | Ø40~Ø450 |
\
| No. | Name | No. | Name |
| 1 | Body | 13 | Hex. socket head bolt |
| 2 | Wedge pluger | 14 | Hex. socket head bolt |
| 3 | Master jaw | 15 | Set screw |
| 4 | Soft jaw | 16 | Steel ball |
| 5 | T-nut | 17 | Grease nipple |
| 6 | Plunger nut | 18 | Cover plug |
| 7 | Draw nut | 19 | Fist head cap screw |
| 8 | Cover | 20 | O-ring |
| 9 | Spring | 21 | Wrench |
| 10 | Handle body | 22 | Rivet |
| 11 | Handle pin | 23 | Eyebolt |
| 12 | Hex. socket head bolt |
The matching products including:
1. Soft jaws.
2. Hex. socket head bolt, wrench, eyebolt, handle pin, handle body
3. Adaptor plate
12 Inch Chuck Capacity12 Inch Chuck Capacity12 Inch Chuck Capacity
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