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Precision ER collet chuck CENTRO P, SK 40 A = 160, Type CP for ER: 11M

Article no.: 409087 Catalog no.: 300689

Price per 1 Piece

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Net price: CHF 213.00

Type CP for ER:

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Product details

Technical Data

Through-coolant		yes
Entry of cooling lubricant		with cooling lubricant entry, decentrally via collar
Escape of cooling lubricant		with cooling lubricant exit, axially concentric
Cooling lubricant		yes
Series		Centro P
Manufacturer’s designation		Präzisions-ER-Spannzangenfutter CENTRO P, SK 40 A = 160, Typ CP für ER: 11M
Holder type		iSO taper
Interface coding		SKG04001795
Holder shape		steep taper DIN ISO 7388-1
Holder version		dimensionless nominal size without cooling
Holder size, no dimensions		40
Type of mounting		spigot
Shank length		160 mm
Interface on machine side		SK 40
Min. clamping diameter		1 mm
Max. clamping diameter		7 mm
For collet type		ER collet
Collet size		11
Gauge length		160 mm
External diameter, tool-end		16 mm
External diameter of clamping nut		18 mm
Height of clamping nut		16.2 mm
Concentricity		3 µm
Balance quality G at rotational speed		g 2.5 at 25,000 rpm
Machining strategy		HSC; finishing; roughing
Vibration damping		yes
With cooling channel bore		yes
Interface		joint 1; joint 2
Type of product		collet chucks
Overall length		114.2 mm
Overall height		114.2 mm
Overall width		63.55 mm
Standard		ISO 7388-1
Shape		ADB
With hole for RFID data carrier		yes
Through-coolant available		yes
Material		heat-treatable steel
Surface treatment		ground
Content		1 pcs.

Identification & Classification

Article number		409087
Catalog number		300689
EAN / GTIN		2050001703279
Manufacturer number		43214001600
Manufacturer/responsible person		Eugen Fahrion GmbH & Co. KG Präzisions-Spannwerkze, Forststraße 54, 73667 Kaisersbach, Germany, www.fahrion.de

Description

Version:

Taper ground internally and externally with RFID/Balluffchip bore.
Concentricity and repetition accuracy 3 μm at 3×D, maximum 50 mm when using a HP precision collet.
HDC = Heavy Duty Chuck, a mount specially designed for rough machining. A reinforced chuck body ensures better stability and plenty of radial stiffness. Taper ground internally and externally. Ball-bearing clamping nut with trapezoidal-shaped fine thread for optimum tightening torques and clamping forces, reduces vibrations that occur.
Very high clamping forces due to the collet fully seated in the chuck and coated clamping nut.
Vibration damping due to the element collet and mass of the chuck.
Alternatively for CENTRO P -> without seals, with ER clamping nut CP No. 309655 or sealed system with ER clamping nut CP for HP sealing rings No. 309665 in conjunction with HP sealing rings No. 309666 − 309668 (for internal coolant supply or as a dirt trap).

Advantage:

Patented optimum seating of the collet, double guides, trapezoidal thread and low-friction coated clamping nut amalgamate when clamped into a sturdy unit, thus ensuring a very high degree of rigidity and precision.

Application:

For high precision clamping of tools with plain shank. HDC especially well-suited for roughing (including TPC milling) and finishing operations and machining of high-tensile or tough materials.

Supplied with:

Without clamping nut.

Optional extras:

Pull studs (PS) No. 308600 – 308806, PS wrenches No. 308820 – 308835, precision ER collets for HP No. 309368 - 309381 and for taps No. 309402 − 309419 (not for Holex). ER clamping nuts CP No. 309655; 309665, ER clamping nut HDC No. 309657, HP sealing rings No. 309666 − 309668, CP roller bearing wrench No. 309754; 309756, HDC roller bearing wrench No. 309745; 309756.