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Effector Lab

Effector library

Air-actuated mini parallel gripper

A small pneumatic parallel gripper for a desktop cobot: two short fingers, a few millimetres of travel each.

Parallel gripperNativeEntrantBSD-3-Clause

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Facts

Kind
Parallel gripper
Class
Simulation model of a product (generic name)
Capabilities
  • pinchholds a part between two opposed tips or pads
Mount
The desktop cobot's tool flange.ISO pattern: ISO 9409-1-50-4-M6 (assumed, not read today)Suggested adapter: Tool plate for an ISO 9409-1-50-4-M6 flange
  • The maker states ISO 9409-1-50 (licence audit of 2026-10-18); the hole count was not read today.

Specifications

SpecValueBasisSource
Finger travel in the model2 x 8 mmDerivedderived from the files or the model
Actuator force limit in the model10 NDerivedderived from the files or the model

Simulation

Status
NativeNative simulation model
Model source
Upstream MJCF (narrow fingers; the gripper of the arm model).
Fidelity
Rigid model
Model
1 actuator · 308 g
Tournament
Entrant1 entrant spec in the effector tournament.

Compile and attach gate

Each entrant spec is built in the tournament's shared scene on every training part. One nominal episode per built part (no placement error, seed 0) is information, not part of the gate.

Air-actuated mini parallel gripper

GATE PASSED
Primitive
pinch
Actuators
1
Mass
308 g
Reach
81.1 mm
Opening
18 mm

Every training part is too big for it, so it was built on the 10 mm probe block only.

Training partGateHeld (nominal)Nominal outcomePenetrationWhy refused
Blockrefusedn/anot runn/aThe part is 40.0 mm across the closing axis; the gripper opens 18.0 mm.
Steel slugrefusedn/anot runn/aThe part is 40.0 mm across the closing axis; the gripper opens 18.0 mm.
Hex standoffrefusedn/anot runn/aThe part is 17.0 mm across the closing axis; the gripper opens 18.0 mm.
L-bracketrefusedn/anot runn/aThe part is 30.0 mm across the closing axis; the gripper opens 18.0 mm.
Pipe teerefusedn/anot runn/aThe part is 44.2 mm across the closing axis; the gripper opens 18.0 mm.
Flanged bushingrefusedn/anot runn/aThe part is 36.0 mm across the closing axis; the gripper opens 18.0 mm.

Held on no training part in the nominal episode.

Licence

Licence rating: green. Full attribution: see the credits page.

Files

FileTypeSizeLicenceChanged
gripper-2f-air-mini.xmlassets/effectors/library/gripper-2f-air-mini/sim/gripper-2f-air-mini.xmlSimulation file (derived)2.9 kBBSD-3-Clausemodified
gripper_lite_body_c.objassets/effectors/library/gripper-2f-air-mini/sim/meshes/gripper_lite_body_c.objSimulation file (derived)15.2 kBBSD-3-Clausemodified
gripper_lite_left_finger_narrow.objassets/effectors/library/gripper-2f-air-mini/sim/meshes/gripper_lite_left_finger_narrow.objSimulation file (derived)4.8 kBBSD-3-Clausemodified
gripper_lite_right_finger_narrow.objassets/effectors/library/gripper-2f-air-mini/sim/meshes/gripper_lite_right_finger_narrow.objSimulation file (derived)4.8 kBBSD-3-Clausemodified

Each file links to its copy in the repository. Licence texts sit next to them in LICENSES/. What changed is on the credits page.

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