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Captive / Non captive

Model
Description
Moving part
Non captive (N)
Internal nut. Screw moves forward backward if fixed in mechanics. The treaded shaft or ballscrew extends through the motor and moves axially as the motor rotated.
Can rotate if not fixed
External linear (E)
Nut mounted on screw. Nut moves forward and backward if fixed in mechanics. Shaft/screw rotate.
The screw rotates as a part of the motorshaft and moves the nut axially along the treaded shaft.
Rotate not if fixed.
External linear bronze nut (F)
Nut mounted on screw. Nut moves forward and backward if fixed in mechanics. Shaft/screw rotate.
The screw rotates as a part of the motorshaft and moves the nut axially along the treaded shaft.
Rotate not if fixed.

Captive (C)
Build in guider. Rod style. Shaft/screw do not move out of rear end.
Rotate not.
Ground ball screw. External linear (B) Nut with steel ball mounted on ball screws. Nut Moves forward and backward if fixed in mechanics.
Shaft/screw rotate.
Rotate not if fixed.

Rolled ball screw. External linear (R)
Nut with steel ball mounted on ball screws. Nut Moves forward and backward if fixed in mechanics.
Shaft/screw rotate.
Rotate not if fixed.


JVL A/S Bregnerødvej 127 DK-3460 Birkerød Denmark
Tel: +45 4582 4440 Fax: +45 4582 5550 E-mail: jvl@jvl.dk
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