Collet chuck ER32 DIN69893 HSK-A63, 2-20mm A=70mm incl. nut

Name: Collet chuck ER32 DIN69893 HSK-A63, 2-20mm A=70mm incl. nut
Brand: ATORN
SKU: 4312363207
Availability: OutOfStock

Brand: ATORN Product Code: 37766

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Collet chuck ER32 DIN69893 HSK-A63, 2-20mm A=70mm incl. nut

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a:70 mm

Balancing quality:G 2.5 at 25,000 rpm

Clamping nut type:HPC 32

Clamping range:2-20 mm

Clamping range Max.:20 mm

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Collet chuck ER32 DIN69893 HSK-A63, 2-20mm A=70mm incl. nut

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Description

True-running accuracy 3 um incl. clamping nut
Precision ER collet chuck

30° ground trapezoidal thread with special anti-friction coating
Up to twice the holding forces of conventional collet chucks are possible thanks to lower friction when tightening the nut and due to the collet being seated entirely inside the chuck cone.
Resistant to temperature fluctuations and fully suitable for dry processes and hard milling up to 200 °C.
Clamping forces are distributed evenly across the entire cylindrical surface, and optimum radial force absorption produces perfect surfaces
Excellent damping properties
Increasing the chuck body to the diameter of the clamping nut creates enormous stability without any protruding contours.
Extremely high concentricity and precision, 3 µm
Pre-balanced to G 2.5 at 22,000 rpm
Leak-proof up to 80 bar with radially sealed collets
For all GER collets
Supplied with clamping nut
Please order roller chuck key separately
Torque wrench recommended

DIN 69893 HSK-A, including clamping nut

Internal coolant supply
When machining with internal coolant supply, a coolant transfer pipe with art.no. 431011... should be used

Specifications

Характеристики

70 mm

Balancing quality

G 2.5 at 25,000 rpm

Clamping nut type

HPC 32

Clamping range

2-20 mm

Clamping range Max.

20 mm

Clamping range Min.

2 mm

Collet type

ER 32 (470 E)

Coolant supply

Internal axial

DIN

69893-1

External Ø

50 mm

Insertion depth

46 mm

Outer diameter

50 mm

Packaging unit

Shank

HSK 63

Shape

Span max.

20 mm

Span min.

2 mm

Suitable for collet type

ER 32

Taper type

HSK 63

Tightening torque max.

140 N·m

Tool holding device

HSK 63

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