DOBOT Accessories | THK PRS-A Gripper

THK PRS-A Gripper

The THK PRS-A is an articulated robotic gripper designed for individual item picking. Its four fingers and 12 independently controlled axes accommodate items with different shapes, sizes, and orientations. Fingertip sensors support grip-force adjustment and detection of grasped or dropped items. Integration with DOBOT CRA series robots is available through the DOBOT+ plug-in, enabling the gripper to be incorporated into supported DOBOT picking applications.

Product Highlights

Articulated Four-Finger Design
Each finger incorporates two bending joints and a swivel joint. This arrangement provides different grasp configurations for handling varied items with a single gripper.
Fingertip Sensing
Fingertip sensors support grip-force adjustment and detection of grasped or dropped items. Protective finger covers also provide an anti-slip contact surface.
Stored Hand Postures
The gripper’s internal memory stores up to 100 hand postures. THK’s sample operation software supports teaching and recalling these postures for different items.

Application

Individual Item Picking
Picking individual boxes, bottles, pouches, and other packaged items in logistics workflows, using finger postures suited to the item’s geometry and placement.

Specifications

Parameter	Specification
Number of fingers	4
Number of controlled axes	12
Maximum gripping capacity	1 kg
Gripper mass	2.4 kg
Angular command resolution	0.1°
Control interface	Ethernet TCP/IP socket communication; gripper operates as the server
Fingertip sensor output	ON/OFF detection status
Internal posture memory	Up to 100 hand postures
Supply voltage	24 V DC ±10%
Maximum current consumption	4.5 A
Operating ambient temperature	0–40°C; non-freezing
Operating ambient humidity	10–90% RH; non-condensing

The selected robot’s payload limits must accommodate the gripper, mounting hardware, and workpiece.

Robot & Software Requirements

Parameter	Requirement
Compatible robot series	DOBOT CRA series
Minimum software version	DobotStudio Pro V4.6.6.0-stable
Supported software range	V4.6.6.0-stable or later
Integration method	DOBOT+ plug-in

DOBOT+ Plug-in

Parameter	Details
Plug-in name and version	PRSA_v1-0-0-stable
Plug-in download	Download the PRS-A Plug-in

Manufacturer Links

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