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Gripper Fingers/Jaws Component – Machinery and Equipment Manufacturing

Component Specifications

Definition

Gripper fingers, also known as jaws, are precision-engineered components attached to robotic grippers or automated handling devices. They form the direct physical contact points with workpieces, transmitting gripping force and ensuring stable manipulation during pick-and-place, assembly, packaging, and material transfer operations. Their design determines grip security, part orientation, and compatibility with various object geometries and surface properties.

Working Principle

Gripper fingers operate by converting the mechanical force from a gripper actuator (pneumatic, electric, or hydraulic) into clamping pressure on a workpiece. They utilize friction, form-fitting contours, or specialized surfaces (like vacuum pads or magnetic elements) to secure objects without damage. The fingers maintain positional accuracy and repeatability through rigid mounting and precise alignment with the gripper body.

Materials

Common materials include aluminum alloys (for lightweight applications), hardened steel (for durability and wear resistance), polyurethane or rubber (for cushioning and high-friction surfaces), engineering plastics like PEEK or Delrin (for chemical resistance and low weight), and composite materials. Material selection depends on factors like load capacity, environmental conditions (temperature, chemicals), required friction coefficient, and compliance needs.

Technical Parameters

Compatibility ISO 9409-1-50-4-M6 or custom interfaces
Finger Length 20-300 mm
Mounting Type Bolted, quick-change, magnetic
Repeatability ±0.05 mm
Weight Capacity 0.1-50 kg
Grip Force Range 10-5000 N
Surface Hardness HRC 45-60 for metals, Shore A 70-90 for elastomers
Operating Temperature -40°C to 150°C

Standards

ISO 9409-1, DIN 332-1, ISO 10218-1

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Gripper Fingers/Jaws.

Parent Products

This component is used in the following industrial products

Suction Cup / Gripper

A mechanical component used for grasping, holding, or manipulating objects through suction or mechanical gripping action.

View Product Details

Engineering Analysis

Risks & Mitigation

Wear and tear reducing grip effectiveness
Misalignment causing part damage or dropped objects
Material incompatibility leading to contamination or failure
Over-tightening deforming workpieces
Inadequate grip force causing slippage

FMEA Triads

Trigger: Material fatigue or abrasive wear
Failure: Reduced gripping force, part slippage
Mitigation: Regular inspection, use wear-resistant materials, implement preventive maintenance schedules

Trigger: Improper mounting or alignment
Failure: Uneven pressure, part damage, misalignment in handling
Mitigation: Follow torque specifications during installation, use alignment tools, verify grip symmetry

Trigger: Environmental exposure (e.g., chemicals, extreme temperatures)
Failure: Material degradation, loss of mechanical properties
Mitigation: Select chemically resistant materials, implement protective coatings, monitor environmental conditions

Industrial Ecosystem

Compatible With

Interchangeable Parts

SCHUNK, Festo, SMC, Zimmer, PHD, Destaco, Robohand

Compliance & Inspection

Tolerance

Dimensional tolerances typically within ±0.1 mm for critical interfaces; grip force tolerance within ±5% of specified range

Test Method

Testing includes grip force verification using load cells, wear testing via cyclic operation, alignment checks with coordinate measuring machines (CMM), and environmental resistance tests per ISO 9276

Procurement Evaluation Criteria

Not customer reviews or live demand data. These dimensions support RFQ preparation and supplier evaluation.

Technical documentation

4/5

Manufacturing capability

4/5

Inspection readiness

5/5

Supplier transparency

3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What are the main types of gripper fingers?

Common types include parallel gripper fingers (for uniform clamping), angular gripper fingers (for pivoting motion), soft gripper fingers (for delicate objects), and custom-designed fingers with contours matching specific part geometries.

How do I select the right gripper finger material?

Consider the workpiece material (to avoid damage), required friction, environmental factors (like temperature or chemicals), load capacity, and wear resistance. For example, use polyurethane for fragile items and hardened steel for heavy-duty applications.

Can gripper fingers be customized?

Yes, they are often custom-designed to match unique part shapes, improve grip stability, or integrate features like sensors, vacuum ports, or compliance mechanisms for specific automation tasks.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

Preliminary Technical Classification

This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

Gripper Fingers/Jaws