End Effector/Gripper

Product Specifications

Technical details and manufacturing context for End Effector/Gripper

Definition

An end effector or gripper is the specialized tooling attached to the end of a robotic arm or integrated into a conveyor system, designed to perform specific tasks such as grasping, lifting, rotating, placing, or processing workpieces. It serves as the interface between the automation system and the objects being handled, enabling precise control and manipulation in industrial applications. End effectors are critical in machinery and equipment manufacturing, where they must reliably handle a variety of parts with different sizes, weights, and materials. The selection of an end effector depends on the application requirements, including gripping force, stroke, repeatability, operating pressure, temperature range, protection class, weight, supply voltage, power consumption, and material. For instance, gripping force typically ranges from 20 to 200 N, stroke per jaw from 5 to 30 mm, and repeatability from ±0.01 to ±0.05 mm per ISO 9283. Operating pressure is usually 0.4 to 0.7 MPa, and operating temperature ranges from -10 to 60 °C. Protection class varies from IP54 to IP65 per IEC 60529. The weight of the end effector affects the payload capacity of the robot arm, typically 0.5 to 5 kg. For electric grippers, supply voltage is 24 V DC ±10% per IEC 61131-2, and power consumption ranges from 10 to 50 W. Materials commonly used include aluminum alloy, stainless steel, engineering plastics, and rubber. These values are reference ranges and must be verified for the specific model and application with the legal manufacturer or supplier. End effectors are available in various types, such as mechanical, vacuum, magnetic, or specialized tooling, each suited to particular tasks and workpiece characteristics. Proper selection and maintenance are essential to ensure reliable operation and avoid downtime.

Working Principle

End effectors operate through various mechanisms depending on their type: mechanical grippers use jaws or fingers that close via pneumatic, hydraulic, or electric actuators to grasp objects; vacuum grippers use suction cups connected to vacuum generators to lift smooth surfaces; magnetic grippers use electromagnets or permanent magnets for ferrous materials; and specialized effectors may use adhesive, needle, or custom tooling for specific tasks. They receive control signals from the robotic controller or conveyor system to execute precise movements and force application. The working principle involves converting control signals into mechanical action, with sensors and feedback systems ensuring accurate positioning and force control. For example, a pneumatic gripper uses compressed air to actuate the jaws, while an electric gripper uses a motor and gearbox. The choice of mechanism depends on the workpiece material, shape, and required precision. Proper integration with the robot or conveyor is crucial for optimal performance.

Common Materials

Aluminum alloy, Stainless steel, Engineering plastics, Rubber

Technical Parameters

Parameter	Typical range	Notes & selection driver
Gripping Force	20–200 N	Required to securely hold the workpiece without damage.
Stroke per Jaw	5–30 mm	Determines the range of part sizes that can be gripped.
Repeatability	±0.01–±0.05 mm	Critical for precise placement in assembly tasks.ISO 9283
Operating Pressure	0.4–0.7 MPa	Below 0.4 MPa the gripping force is insufficient.
Operating Temperature	-10–60 °C	Outside this range, seals and materials may fail.
Protection Class	IP54–IP65	Higher rating required for dusty or wet environments.IEC 60529
Weight	0.5–5 kg	Affects the payload capacity of the robot arm.
Supply Voltage	24 ±10% V DC	For electric grippers with integrated control.IEC 61131-2
Power Consumption	10–50 W	Relevant for energy budget and heat dissipation.
Material	Aluminum / Steel	Aluminum for lightweight, steel for durability.

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Gripper Jaws/Fingers Part
Direct contact surfaces that grasp and hold objects, often customizable for different workpiece shapes

Material: Aluminum alloy or hardened steel
Actuator Mechanism
Provides the motion to open and close the gripper jaws, typically pneumatic cylinder, electric motor, or hydraulic piston

Material: Stainless steel, aluminum
Mounting Interface Part
Connection point that attaches the end effector to the robotic arm or conveyor system, ensuring proper alignment and load transfer

Material: Steel
Sensors
Detect object presence, grip confirmation, or measure applied force for feedback control

Material: Electronic components, plastic housing
Suction Cups Optional
Lift smooth surfaces by vacuum instead of clamping them, on vacuum-type effectors.
Electromagnet Optional
Holds ferrous workpieces magnetically, on magnetic-type effectors.

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Conveyor or Robotic Arm

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Component Insertion Robot

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Manufacturers of End Effector/Gripper

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Frequently Asked Questions

What are the main types of end effectors?

The main types include mechanical grippers (using jaws or fingers), vacuum grippers (using suction cups), magnetic grippers (for ferrous materials), and specialized tooling such as adhesive or needle grippers. The choice depends on the workpiece characteristics and application requirements.

How do I select the right gripping force?

Gripping force must be sufficient to securely hold the workpiece without damage. The reference range is 20–200 N, but the required force depends on the weight, shape, and surface of the workpiece, as well as the acceleration and orientation during handling. Always verify with the manufacturer for your specific application.

What does repeatability mean and why is it important?

Repeatability refers to the ability of the end effector to return to the same position or orientation with consistent accuracy. It is critical for precise placement in assembly tasks. The reference range is ±0.01 to ±0.05 mm per ISO 9283. Verify the actual value for your model.

What are the operating pressure and temperature limits?

Operating pressure typically ranges from 0.4 to 0.7 MPa, and operating temperature from -10 to 60 °C. Outside these ranges, seals and materials may fail. Always check the manufacturer's specifications for your specific unit.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification

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pressure:	0-10 bar
other spec:	Max object weight: 50 kg, Gripping force: 10-500 N
temperature:	-10°C to +60°C

Product Specifications

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