Robotpark ACADEMY » ATTRACTION GRIPPER https://www.robotpark.com/academy World's Largest Robot Resource Fri, 10 Mar 2017 10:10:53 +0000 en-US hourly 1 http://wordpress.org/?v=4.0.1 ATTRACTION GRIPPER (MAGNETIC GRIPPER) – 21011 https://www.robotpark.com/academy/attraction-gripper-magnetic-gripper-21011/ https://www.robotpark.com/academy/attraction-gripper-magnetic-gripper-21011/#comments Thu, 14 Mar 2013 11:42:15 +0000 http://www.robotee.com/?p=1373 An attraction gripper is a robot end effector that grasps objects by means of electrical or magnetic attraction. Generally, magnets are used; either permanent magnets or electromagnets will serve the purpose. Electromagnets offer the advantage of being on/off controllable, so an object can be conveniently released without its having to be secured by some external means. Permanent magnets, conversely, offer the advantage of a minimal maintenance requirement.

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]]> An attraction gripper is a robot end effector that grasps objects by means of electrical or magnetic attraction. Generally, magnets are used; either permanent magnets or electromagnets will serve the purpose. Electromagnets offer the advantage of being on/off controllable, so an object can be conveniently released without its having to be secured by some external means. Permanent magnets, conversely, offer the advantage of a minimal maintenance requirement.

Like the adhesive gripper, the attraction gripper is fundamentally simple. There are two primary problems with this type of end effector.
-First, in order for a magnetic attraction gripper to work, the object it grasps must contain a ferromagnetic material such as iron or steel.
-Second, the magnetic field produced by the end effector can permanently magnetize the objects it handles. In some cases this is not a concern, but in other instances it can cause trouble.

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