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ER collet chuck Form AD 40 mm
Article no.: 303720 40
Article code:
- Standard: DIN 6359
- Arbor standard: JIS B6339; JIS B6339
- Shape: AD
- Balance quality G at rotational speed: G 2.5 at 25,000 rpm
- Concentricity: ≤ 3
Product details
Technical Data
| for ER collets | 40 | |
| Adapter | BT 40 A = 100 | |
| Standard | DIN 6359 | |
| Arbor standard | JIS B6339; JIS B6339 | |
| Shape | AD | |
| Balance quality G at rotational speed | G 2.5 at 25,000 rpm | |
| Concentricity | ≤ 3 µm | |
| Machining strategy | HPC | |
| Clamping range | 3 mm - 26 mm | |
| Overhang dimension A | 100 mm | |
| a | 1 mm | |
| External ⌀ D | 63 mm | |
| Spare ER clamping nut No. 309580 | 40 | |
| ER chuck key No. 309680 | 40 | |
| Version | BT-DC | |
| Balluffchip bore | yes | |
| Type of product | Side lock arbor |
Identification numbers & Classifications
| Article number | 303720 40 | |
| EAN / GTIN | 4067263014010 | |
| Manufacturer number | 303720 40 |
Description
Version:
Taper ground internally and externally. All shanks hard turned (for smooth running!). With RFID/Balluffchip bore.
- High-quality precision clamping nut.
- Clamping nut balanced for HSM (G2.5/25,000 rpm).
- Optimum wear characteristics and torque transmission due to the coated precision clamping nut.
Advantage:
The double contact between the taper and the flat flange creates a more stable and precise clamping situation:
The double contact between the taper and the flat flange creates a more stable and precise clamping situation:
- Better surface quality
- Longer tool life times
- Consistent seating in the headstock (even at high speeds)
- Smaller radial run-out
The double contact between the taper and the flat flange creates a more stable and precise clamping situation:
- Better surface quality
- Longer tool life times
- Consistent seating in the headstock (even at high speeds)
- Smaller radial run-out
Application:
For clamping tools with parallel shank in collets to DIN 6499 Form A and B.
Supplied with:
Including ER clamping nut.
Optional extras:
ER collets No. 308881 − 309434, ER chuck keys No. 309680 – 309720 or 613300, ER clamping nut 309610.
Pull studs (PS) No. 308760 − 308806. Pull stud wrenches No. 308820; 308835.
Pull studs (PS) No. 308760 − 308806. Pull stud wrenches No. 308820; 308835.
Pull studs (PS) No. 308760 − 308806. Pull stud wrenches No. 308820; 308835.
Pull studs (PS) No. 308760 − 308806. Pull stud wrenches No. 308820; 308835.
Note:
Downloads & documents
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| Adapter | BT 40 A = 100 | SK 40 A = 100 | SK 50 A = 100 | HSK-F 63 A = 100 | PSC 63 A = 100 |
| Overhang dimension A | 100 | 100 | 100 | 100 | 100 |
| External ⌀ D | 63 | 63 | 63 | 63 | 63 |
| for ER collets | 40 | 40 | 40 | 40 | 40 |
| Clamping range | 3 ;26 | 3 ;26 | 3 ;26 | 3 ;26 | 3 ;26 |
| Balance quality G at rotational speed | G 2.5 at 25,000 rpm | G 2.5 at 25,000 rpm | G 2.5 at 25,000 rpm | G 2.5 at 25,000 rpm | G 2.5 at 25,000 rpm |
| Machining strategy | HPC | HSC | HSC | HSC | HSC |