Nann Workpiece Clamping Collets - Multi-range Collets

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Work Piece Clamping Solutions

Nann Workpiece Clamping Collets - Multi-range Collets

QUANTITY

Multi-range Collets

Use:

  • for workpiece clamping
  • for bar or chuck work
  • clamping range 2 mm
  • no axial movement while chuck is clamping
  • can be exchanged with DIN 6343 steel collets
  • completely sealed against coolant and swarf
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Hardness:
The segments of multi-range collets are made from a special tool steel. The hardness is approx. HRc 60.

Taper angle of the clamping sleeve:
The taper of the clamping sleeve must exactly match the taper angles of the collets given in the tables, otherwise the clamping segments will not clamp the workpiece along its entire length.

Stops for collets:
If stops are used, the rear of the clamping segments must be supported if the clamping length is short.

 

art.no. exchangeable with steel coll. rubber collets D min D max a min a max D1 L Clamping range Clamping tolerance
755 E 140 E series 12 29.5 31.4 1 4.5 29 22 14°45´ 3 - 16 +0,3 / -1,3
760 E 148 E series 18 37.5 40.4 1 6.5 37 27 14°45´ 4 - 20 +0,3 / -2,3
765 E 161 E series 20 44.5 47.4 1 6.5 44 31 14°45´ 4 -26 +0,3 / -2,3
770 E 163 E series 24 47.5 50.4 1 6.5 47 31 14°45´ 6 - 30 +0,3 / -2,3
775 E 173 E series 36 59.5 62.4 1 6.5 59 39 14°45´ 7 - 43 +0,3 / -2,3
780 E 185 E series 52 83.5 86.4 1 6.5 83 50 14°45´ 19 - 61 +0,3 / -2,3
785 E   series 65 94.4 97.3 1 6.5 94.9 58 14°45´ 59 - 65 +0,3 / -2,0
795 E   series 100 136.4 139.3 1 6.5 136.9 64 14°45´ 59 - 101 +0,3 / -2,0

 

 
Clamping Diameter

Testing Point

Running Concentricity
d from d to L Standard High Precision
1 1.6 6 0.02 0.01
1.6 3 10 0.02 0.01
3 6 16 0.02 0.01
6 10 25 0.02 0.01
10 18 40 0.03 0.015
18 24 50 0.03 0.015
24 30 60 0.03 0.015
30 50 80 0.04 0.02
50 60 100 0.04 0.02

 

multiii

Similar to DIN 6343
The precision design attracts an additional charge

art.no. exchangeable with steel coll. rubber collets D min D max a min a max D1 L Clamping range Clamping tolerance
755 E-F 173 E series 36 59.5 62.4 1 6.5 59 39 14°45´ 11 - 43 +0,3 / -2,0
780 E-F 185 E series 52 83.5 86.4 1 6.5 83 50 14°45´ 19 - 61 +0,3 / -2,0

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