Turning Centers Power Chuck
Product Details
| Model | DR308 |
| Thru Hole Dia. [mm] | 66 |
| Plunger Stroke [mm] | 16 |
| Jaw Stroke Dia. [mm] | 7.4 |
| Max RPM [r.p.m.] | 5000 |
| Max Draw Bar Pull Force [kgf(kN)] | 3400(33) |
| Max Gripping Force [kgf(kN)] | 8800(86) |
| Max. Hydraulic Pressure [kgf/cm2(MPa )] | 26(2.5) |
| Weight [kg] | 21.7 |
| Matching Cylinder | DC-1065 |
| Gripping Range [mm] | Φ50~Φ215 |


Model | DR308 |
Spindle Nose No. | A2-6 |
A | 215 |
B | 91 |
C(h6) | 170 |
D | 106.375 |
E | 18 |
F | 5 |
G | 6-M10x1.5P |
G2 | 6-M12x1.75P |
G3 | 3-M5 |
H | 180 |
H1 | 150 |
H2 | 133.4 |
I | 66 |
J | 18 |
K | 25 |
L | 39.5 |
M | 80 |
N | 25 |
O | M75x2P |
P | 35 |
Q | 14 |

How many types of power chucks?
Hydraulic Power Chucks
- Use hydraulic fluid to apply clamping force.
- Offers high gripping force and easily adjusts to different workpiece sizes.
- Suitable for applications requiring high precision and repeatability.
- Commonly used in automated production environments.
Pneumatic Power Chucks
- Use compressed air to actuate the chuck.
- Typically lighter and faster than hydraulic chucks.
- Suitable for lighter workpieces and applications where speed is more critical than force.
Electric Power Chucks
- Use electric motors to operate the clamping mechanism.
- Provide precise control over the clamping force and speed.
- Useful for applications that require dynamic and precise adjustments.





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A hydraulic chuck tool holder is a type of tool holder that uses hydraulic pressure to securely hold cutting tools in place during machining operations, which is commonly used in CNC machining centers and other high-precision machining applications.
A hydraulic chuck is a type of workholding device commonly used on CNC lathes for securely gripping and holding workpieces during machining operations.
A power chuck is a type of workholding device commonly used in machining operations to securely grip and hold workpieces during turning, milling, drilling, or grinding processes. They are typically used on CNC lathes, machining centers, and other machine tools.
Hydraulic lathe chucks are commonly used in CNC lathes and other precision machining equipment to provide a strong and reliable grip on workpieces, ensuring stability and accuracy during turning, milling, drilling, or grinding processes.
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