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Help Center3 Jaws Close Power Hydraulic Chuck
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3 jaws Close Power Hydraulic Chuck
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. With flange connection, A connection.
3. Suitable for bench lathe.
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 Parameter
| Model/Spec | A | B |
C (h) |
D | E | E1 | F | G | H | J | K | L | M |
N (max.) |
| YS3-05" | 135 | 55 | 80 | 63.513 | - | - | 7 | - | 100 | - | 3-M8×1.25P | 14 | 14 | 30.4 |
| YS3-06" | 165 | 74 | 140 | 82.563 | 15 | - | 5 | 116 | 104.8 | 21 | 6-M10×1.5P | 14 | 20 | 37.8 |
| YS3-08" | 210 | 85 | 170 | 106.375 | 17 | 23 | 5 | 150 | 133.4 | 25 | 6-M12×1.75P | 18 | 25 | 46.3 |
| YS3-10" | 254 | 89 | 220 | 139.719 | 18 | 28 | 5 | 190 | 171.4 | 34 | 6-M16×2P | 25 | 30 | 51.4 |
| YS3-12" | 304 | 106 | 220 | 139.719 | 18 | - | 6 | 190 | 171.4 | 34 | 6-M16×2P | 25 | 30 | 60.7 |
| YS3-15" | 381 | 114 | 300 | 196.869 | 22 | - | 6 | 260 | 235 | - | 6-M20×2.5P | 32 | 43 | 77.5 |
| YS3-18" | 450 | 114 | 300 | 196.869 | 22 | - | 6 | 260 | 235 | - | 6-M20×2.5P | 32 | 43 | 108 |
| Model/Spec |
N (min.) |
O (max.) |
O (min.) |
P (max.) |
P (min.) |
Q | R | S | U | V | W | X | Y |
| YS3-05" | 27.2 | 17 | 7 | 9 | -6 | 25 | 10 | 35 | M12Χ1.75P | 28 | 31 | 62 | - |
| YS3-06" | 33.25 | 18 | 7.5 | 101.5 | 81.5 | 31 | 12 | 36 | M16Χ2P | 34 | 39 | 73 | - |
| YS3-08" | 41.9 | 22.5 | 9 | 127 | 106 | 35 | 14 | 36 | M20Χ2.5P | 38 | 42 | 95 | 104.8 |
| YS3-10" | 47 | 37.5 | 10.5 | 158 | 133 | 40 | 16 | 36 | M20Χ2.5P | 45 | 46 | 110 | 133.4 |
| YS3-12" | 55.45 | 47 | 11 | 163 | 133 | 50 | 18 | 36 | M20Χ2.5P | 50 | 54 | 130 | - |
| YS3-15" | 69.5 | 50.25 | 23.25 | 104 | 69 | 62 | 25.5 | 55 | M30Χ3.5P | 60 | 63 | 165 | - |
| YS3-18" | 100 | 49.5 | 25.5 | 92 | 57 | 62 | 25.5 | 55 | M30Χ3.5P | 60 | 63 | 165 | - |
It is recommended to grease chucks at least twice a day in order to maximize longevity
Performance Parameters
| Model/Spec |
Nose of spindle |
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 |
| YS3-05" | A24 |
15 | 6.4 | 5500 | 800 | 2450 | 22 | 6 | SH80 | Ø8~Ø135 |
| YS3-06" | A25 | 20 | 8.5 | 5000 | 1730 | 5200 | 27 | 11.4 | SH100 | Ø18~Ø165 |
| YS3-08" |
A26 (A25) |
21 | 8.8 | 4600 | 2440 | 7440 | 25 | 21.9 | SH125 | Ø26~Ø210 |
| YS3-10" |
A28 (A26) |
25 | 8.8 | 3200 | 2850 | 10810 | 29 | 33.4 | SH150 | Ø26~Ø254 |
| YS3-12" | A28 | 30 | 10.6 | 3300 | 4080 | 15500 | 29 | 58.5 | SH200 | Ø26~Ø304 |
| YS3-15" | A211 |
35 | 16 | 2800 | 8260 | 25290 | 32.5 | 100.6 | SH200 | Ø68~Ø381 |
| YS3-18" |
A211 (A28) |
35 | 16 | 2500 | 8260 | 25290 | 32.5 | 134.3 | SH200 | Ø130~Ø450 |
| No. | Name | No. | Name |
| 1 | Body | 15 | Hex. socket head bolt |
| 2 | Wedge plunger | 16 | Hex. socket head bolt |
| 3 | Master jaw | 17 | Set screw |
| 4 | Soft jaw | 18 | Set screw |
| 5 | T-nut | 19 | Steel ball |
| 6 | Cover | 20 | Grease nipple |
| 7 | Draw tube | 21 | Pb ball |
| 8 | Draw nut | 22 | Hex. socket srew key |
| 9 | Draw bolt | 23 | Eyebolt |
| 10 | Handle body | 24 | Cover plug |
| 11 | Handle pin | 25 | Fist Head Cap Screw |
| 12 | Stop bolt | 26 | O-ring |
| 13 | Spring | 27 | Rivet |
| 14 | Hex. socket head bolt |
The matching products including:
1. Soft jaws.
2. Hex. socket head bolt, draw tube, draw nut, handle pin, handle body
3. Adaptor plate
3 jaws Close Power Hydraulic Chuck 3 jaws Close Power Hydraulic Chuck 3 jaws Close Power Hydraulic Chuck 3 jaws Close Power Hydraulic Chuck
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