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HiRunER precision ER collet chuck, SK 40 A = 70, for ER collet size: 32

Article no.: 300642 32

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for ER collet size Unit price incl. VAT
  • Arbor standard: ISO 7388-1
  • Shape: ADB
  • Balance quality G at rotational speed: G 2.5 at 25,000 rpm
  • Concentricity: ≤ 3
  • Machining strategy: HSC; HPC

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Product details

Technical Data

for ER collets 32
Adapter SK 40 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
Clamping range 2 mm - 20 mm
Overhang dimension A 70 mm
External ⌀ D 52 mm
Spare ER clamping nut No. 309617 32
Balluffchip bore yes
Type of product Collet chuck

Identification numbers & Classifications

Article number 300642 32
EAN / GTIN 4045197771520
Manufacturer number 300642 32

Description

Version:

External and internal tapers are ground. All shanks are hard turned for smooth running. Including RFID/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. 308600308806, PS wrenches No. 308820308835, ER chuck keys No. 309757, 309758 (for 11M and 16M); Fahrion ER collets No. 308901309434. ER collets No. 308901309432, hook spanner No. 628400 or torque wrench No. 309749 or 628520.

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.
  • The blue design ring must be removed for Fahrion HP 2μm ER collets.

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

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