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Brand Name : ADJIG
Model Number : T212-3654
Place of Origin : Chongqing, China
MOQ : 1
Price : 1350 USD per item
Payment Terms : L/C,T/T
Supply Ability : Less than 10 pieces, shipped within 10 days. More than 10 items will be shipped within 30 days.
Delivery Time : 7-10 days
Packaging Details : Carton/wooden crate
Model : T212-3654
Gripping range (mm) : 36-54
Outer diameter (mm) : 140/165/210/140/150/180/230
Total length (mm) : 140/144/140
Maximum clamping length (mm) : 22
Rotational runout (mm) : 0.01
Max.radial clamping force (KN) : 40
Max.axial tensile force (KN) : 10
Max.rotational speed (1/min) : 5000
Weight (KG) : 8.5/7.9/8.9/13.7/8.1/8.7/10.5
High Performance CNC Expanding Mandrel Fixture for Internal Bore Clamping Applications
Segmented clamping mandrels with hardened steel segments are particularly suitable for clamping workpieces with internal geometries.
Main applications include turning, grinding, milling, tool cutting, balancing, centering, and boring.
This High-Performance CNC Expanding Mandrel Fixture delivers exceptional precision for internal bore clamping applications. Engineered with a precision-ground taper and high-rigidity expansion segments, it provides uniform radial pressure for secure, vibration-free gripping of cylindrical workpieces. The design ensures perfect concentricity within microns, eliminating runout for critical bore machining operations. Ideal for gears, bearings, and precision components, its quick-expansion mechanism slashes non-cutting time while maintaining consistent clamping force. The hardened construction guarantees long-term accuracy and reliability in high-volume production, making it an essential solution for maximizing productivity in turning, grinding, and milling applications requiring internal workholding.
| Part Number | T212-3654 | |||||||
| Clamping Range (mm) A | 36-54 | |||||||
| Outside Diameter (mm) AA | 140 | 165 | 210 | 140 | 150 | 180 | 230 | |
| Mounting Bolt Circle (mm) AB | Φ82.6 | Φ104.8 | Φ133.4 | Φ1714 | Φ104.B | Φ133.4 | Φ171.4 | |
| (3*M10) | (6*M10) | (6*M12) | (6*M16) | (6*M10) | (6*M12) | (6*M16) | ||
| Flange Bore Diameter (mm) AC | 61 | 79.5 | 103.2 | 100 | 77 | 80 | 103 | |
| Max. Drawbar Diameter (mm) AD | 54 | |||||||
| External Connection Thread AE | M44*1.5 | |||||||
| Internal Connection Thread AF | M30*1.5 | |||||||
| Locating Connection Diameter (mm) AG | Φ65f7 | |||||||
| Drawbar Major Diameter (mm) AZ | 76 | |||||||
| Threaded Hole Pitch Circle (mm) B | 90-(3*M6) | |||||||
| Locating Ring OD (mm) C | 104 | |||||||
| External Diameter (mm) D | 140 | |||||||
| Overall Length (mm) CA | 172 | 176 | 172 | |||||
| Flange Face to Drawbar Length (mm) CB | 30 | 34 | 30 | |||||
| Length (mm) CG | 132 | |||||||
| Secondary Length (mm) CD | 80.5 | |||||||
| Tertiary Length (mm) CC | 70 | |||||||
| Max. Clamping Length (mm) CE | 40 | |||||||
| Drawbar End Thickness (mm) CF | 19 | |||||||
| Internal Thread Depth (mm) BC | 25.5 | |||||||
| Radial Clamping Stroke (mm) H | 0.5 | |||||||
| Radial Release Stroke (mm) Q | 0.4 | |||||||
| Axial Clamping Stroke (mm) L | 2 .5 | |||||||
| Axial Release Stroke (mm) R | 2 | |||||||
| Flange Connection Type (mm) DB | A4 | A5 | A6 | AB | AK120 | AK140 | AK170 | AK220 |
| Rotational Runout (mm) | 0.01 | |||||||
| Max. Radial Clamping Force (kN) | 85 | |||||||
| Max. Axial Tension Force (kN) | 20 | |||||||
| Max. Speed (rpm) | 5000 | |||||||
| Weight (kg) | 10.4 | 9.8 | 10.8 | 15.6 | 10 | 10.6 | 12.4 | 17.9 |

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CNC Expansion Clamp Expanding Mandrel Fixture 140mm 165mm For Internal Bore Clamping Images |