Nann Workpiece Clamping Collets - Emergency Collets

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Work Piece Clamping Solutions

Nann Workpiece Clamping Collets - Emergency Collets

QUANTITY

Emergency Collets

Use:
Emergency collets are used for holding smaller series workpieces when no standard collet is available. Unlike the standard collet, with its hardened taper and clamping bore, emergency collets only have a hardness of approx. HRc 45. The customer can therefore enlarge the bore of the collet.

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To enlarge the bore, the emergency collet is clamped on a bolt in the rear of the clamping bore or on pins in the slots and turned out in this position.

Note: The centrifugal force resulting at high speeds can lead to a lessening of the clamping power and, in extreme case, breaking of the collets. Please follow accident-prevention instructions.

Special features:
Deadlength collets (pic. 1) with a hardness of HRc 45 are available for collet types 140 E, 148 E, 161 E, 163 E, 173 E and 185 E, further types on request.

 

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art. no. pic. d D L
     
140 E - 0.0 1 22 30 55 15
148 E - 0.0 1 28 38 70 15
161 E - 0.0 1 32 45 75 15
163 E - 0.0 1 35 48 80 15
173 E - 0.0 1 48 60 94 15
185 E - 0.0 1 66 84 110 15

 

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Deadlength collets (pic. 1), short version: see standard collets.

Deadlength collets (pic. 2), enlarged and extended versions: these deadlength collets are able to clamp large and short workpieces.

 

art. no. pic. D1 L1
 
Gr. 0.0 2    
Gr. 0.1 3   25
Gr. 1.1 3 40 25
Gr. 1.2 3 40 50
Gr. 2.1 3 50 25
Gr. 2.2 3 50 50
Gr. 3.1 3 75 25
Gr. 3.2 3 75 50
Gr. 4.1 3 100 25
Gr. 4.2 3 100 50

 

Draw-back collets with a hardness of HRc 45 are available for collet types 349 E, 358 E, 369 E, 363 E, 364 E, 366 E, 367 E, 385 E and 386 E with various head sizes.

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