| MOQ: | 1 |
| Price: | 1252 USD per item |
| Standard Packaging: | Carton/wooden crate |
| Delivery Period: | 7-10 days |
| Payment Method: | L/C,T/T |
| Supply Capacity: | Less than 10 pieces, shipped within 10 days. More than 10 items will be shipped within 30 days. |
Precision ID Expansion Mandrel for CNC Clamping Fixture Workholding Solutions
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.
| Part Number | T211-2028 | |||||||
| Clamping Range (mm) A | 20-28 | |||||||
| Outside Diameter (mm) AA | 140 | 165 | 210 | 140 | 150 | 180 | 230 | |
| Mounting Bolt Circle (mm) AB | Φ82.6 | Φ104.8 | Φ133.4 | Φ171.4 | Φ104.8 | 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 | 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 | Φ32f7 | |||||||
| Drawbar Major Diameter (mm) AZ | 19 | |||||||
| Threaded Hole Pitch Circle (mm) B | Φ50-(3*M6) | |||||||
| Locating Ring OD (mm) C | 65 | |||||||
| External Diameter (mm) D | 140 | |||||||
| Overall Length (mm) CA | 140 | 144 | 140 | |||||
| Flange Face to Drawbar Length (mm) CB | 30 | 34 | 30 | |||||
| Length (mm) CG | 100 | |||||||
| Secondary Length (mm) CD | 41 | |||||||
| Tertiary Length (mm) CC | 37.5 | |||||||
| Max. Clamping Length (mm) CE | 22 | |||||||
| Drawbar End Thickness (mm) CF | 7.5 | |||||||
| External Thread Engagement (mm) BB | 19 | |||||||
| Internal Thread Depth (mm) BC | 25.5 | |||||||
| Radial Clamping Stroke (mm) H | 0.4 | |||||||
| Radial Release Stroke (mm) Q | 0.3 | |||||||
| Axial Clamping Stroke (mm) L | 2 | |||||||
| Axial Release Stroke (mm) R | 1.5 | |||||||
| Flange Connection Type (mm) DB | A4 | A5 | A6 | A8 | AK120 | AK140 | AK170 | AK220 |
| Rotational Runout (mm) | 0.01 | |||||||
| Max. Radial Clamping Force (kN) | 40 | |||||||
| Max. Axial Tension Force (kN) | 10 | |||||||
| Max. Speed (rpm) | 5000 | |||||||
| Weight (kg) | 8.5 | 7.9 | 8.9 | 13.7 | 8.1 | 8.7 | 10.5 | 16 |
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