Workpiece Holding
Product Details
| Model | DK312 |
| Thru Hole Dia. [mm] | 91 |
| Plunger Stroke [mm] | 23 |
| Jaw Stroke Dia. [mm] | 10.6 |
| Max RPM [r.p.m.] | 3300 |
| Max Draw Bar Pull Force [kgf(kN)] | 5500(54) |
| Max Gripping Force [kgf(kN)] | 14380(141) |
| Max. Hydraulic Pressure [kgf/cm2(MPa )] | 27(2.6) |
| Weight [kg] | 55.3 |
| Matching Cylinder | DC-1291 |
| Gripping Range[mm] | Φ35~Φ304 |


Model | DK312 |
Spindle Nose No. | A2-8 |
A | 304 |
B | 110 |
C(h6) | 220 |
D | 139.719 |
E | 18 |
F | 6 |
G | 6-M12X1.75P |
G1 | 3-M8 |
G2 | 6-M16X2P |
G3 | 3-M6 |
H | 250 |
H1 | 190 |
H2 | 171.4 |
H3 | 113 |
I | 91 |
J | 25 |
K | 30 |
L | 51 |
M | 129 |
N | 28 |
O | M100X2P |
P | 50 |
Q | 21 |

How many types of workholding devices?
- Vices: Commonly used in milling and drilling operations to hold workpieces securely.
- Clamps: Used to hold workpieces in place, often adjustable for different sizes.
- Fixtures: Custom-made devices designed to hold a specific workpiece in a fixed position.
- Chucks: Used in lathes to grip cylindrical workpieces.





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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.
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