Gripper

Prompts

Robot gripper reference — jaw types, force calculation, pneumatic vs electric, and end-effector selection. Use when designing gripping systems, selecting actuators, or sizing grippers for robotic applications.

Install

openclaw skills install gripper

Gripper — Robot Gripper Reference

Quick-reference skill for gripper types, force calculations, actuator selection, and end-effector design.

When to Use

  • Selecting a gripper type for a robot application
  • Calculating required gripping force for a payload
  • Choosing between pneumatic, electric, and vacuum grippers
  • Designing custom jaw geometry for specific parts
  • Troubleshooting grip failures in production

Commands

intro

scripts/script.sh intro

Gripper fundamentals — types, actuation methods, key specifications.

types

scripts/script.sh types

Gripper types: parallel, angular, three-jaw, vacuum, magnetic, soft, adaptive.

force

scripts/script.sh force

Grip force calculation — formulas, safety factors, friction coefficients.

pneumatic

scripts/script.sh pneumatic

Pneumatic grippers — cylinders, valves, air prep, circuit design.

electric

scripts/script.sh electric

Electric grippers — servo, stepper, advantages over pneumatic.

vacuum

scripts/script.sh vacuum

Vacuum grippers — suction cups, venturi generators, cup selection.

applications

scripts/script.sh applications

Gripper applications by industry: automotive, electronics, food, pharma.

checklist

scripts/script.sh checklist

Gripper selection and commissioning checklist.

help

scripts/script.sh help

version

scripts/script.sh version

Configuration

VariableDescription
GRIPPER_DIRData directory (default: ~/.gripper/)

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