Article no.: 300646

HiRunER precision ER collet chuck SK 50 A = 70

Brand: GARANT
Shape ADB
Concentricity ≤ 3
Machining strategy HSC
Balance quality G at rotational speed G 2.5 at 25,000 rpm
Machining strategy HPC
Arbor standard ISO 7388-1

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Description

Version:

External and internal tapers are ground. All shanks are hard turned for a smooth cutting action. Including Balluffchip bore, high-performance clamping nut up to 25000 rpm.

Advantage:

  • 3 µm radial run-out with a 2 µm clamping nut, 6 µm radial run-out with a 5 µm clamping nut.
  • Extremely strong holding force (up to factor 2better than the standard ER chuck).
  • Vibration reduction effect due to 2-part clamping nut (size 11M and 16M 1-piece).

Application:

For clamping tools with plain shank in collets to DIN 6499 - Form A and B.

Supplied with:

Precision clamping nut.

Optional extras:

Pull studs (PS) No. 308600 − 308806,
PS wrenches No. 308820 − 308835,
ER collets No. 308901 − 309434,
ER clamping wrenches No. 309748; 309749; 309758; 309759,
Fahrion ER collets No. 308901 − 309434.

Note:

  • Clamps only nominal ⌀ up to shank ⌀ tolerance h 10.
  • Do not use the clamping nut in combination with a sealing washer.
  • Use in combination with Fahrion collets.

Use the precision collet chuck always in conjunction with the precision clamping nut No. 309617.

Technical Data

Adapter
SK 50 A = 70
Arbor standard
ISO 7388-1
Shape
ADB
Balance quality G at rotational speed
G 2.5 at 25,000 rpm
Concentricity
≤ 3 µm
Machining strategy
HSC; HPC
Balluffchip bore
yes
Type of product
Collet chuck

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