Forums Niryo One How to… Proper gripper?

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  • BillyGo
    Participant
    Post count: 3

    I want to purchase a gripper which is proper to pick up a hard and slippery objects like small billiard balls or glossy round marble stone. Gripper 2 or Gripper 3 has a appropriate means to pick up the things?

    Edouard Renard
    Keymaster
    Post count: 179

    I think both grippers can be suited for this application. However, as there are many, many variables into the equation, I don’t know which one would be the best.

    Some observations:

    Gripper 2 clamps are always parallel, and it can be quite precise.

    Gripper 3 won’t be precise but maybe allows you to increase the picking success rate (I’m not completely sure, needs testing). Also, if you have a container with many objects on top of each other, Gripper 3 will have a better success rate than Gripper 2.

    For the slippery problem: Both grippers have anti-slip rubber. If you need better adhesion to the objects you pick, you can easily add something else on the gripper.

    FindingNiryo
    Participant
    Post count: 71

    Gripper 3 would provide a 3-4 point grasp which may increase the holding strength on 150 gram stones, but the gripper closes with a scissor action which may push away a glossy sphere if approaching horizontal to the ground plane. An additional consideration is that (when open) gripper 3 is over 150mm which may interfere with other stones if they are placed closely to one another.

    BillyGo
    Participant
    Post count: 3

    Thanks for your information.

    BillyGo
    Participant
    Post count: 3

    Thanks, FindingNiryo.

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