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TENDO E compact
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Rough and Finish Machining
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The Universal
Hydraulic Expansion Toolholder

TENDO E compact combines all the performance parameters.

Characteristics	TENDO E compact	ER collet chucks	Weldon	Heat shrinking toolholders
Run-out accuracy Even cutting action Influences damping and balance grade Cost reduction	0,003 mm (measured at 2.5 x D permanent)	0,01 – 0,02 mm	0,01 – 0,02 mm	0,003 mm (measured inside the bore hole)
Process reliabilty Permanent run-out accuracy
Torque at Ø 20 mm Highest volume machining Process reliability	up to 900 Nm	220 Nm	Form-fit clamping	420 Nm
Radial rigidity Higher part geometry accuracy at the workpiece at rough machining Lower cost for remachining
Damping Increased tool service life Prevents the machine spindle from damage Lower costs - for remachining Avoiding chatter marks
Flexible by using intermediate sleeves Enlarged field of applications Cost reduction Higher clamping force at given shafts Peripheral cooling		(Collet chucks)
Clamping of all shafts (Weldon, Whistle Notch, …)
Handling / operability No operator training necessary Avoids clamping errors Low set-up costs
Resistant to dirt No maintenance Lower costs
Exact length pre-adjustment
Necessary peripheral equipments (regarding costs)	Allen key	Hook wrench + assembly device	Allen key + assembly device	Induction unit

++ very good

+ good

O neutral

– bad

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