Feed Arm/Gripper: Weight Capacity 1-20 kg

Component Specifications

Definition

The Feed Arm/Gripper is a precision electromechanical component within blank feeder mechanisms that securely grasps individual blanks (typically sheet metal, plastic, or composite materials) from a stack or conveyor, transfers them to a designated workstation (like a press, stamping machine, or assembly line), and releases them with accurate positioning. It integrates gripping mechanisms (pneumatic, hydraulic, or servo-electric), motion control, and often sensors for detection and feedback.

Working Principle

Operates through a coordinated sequence: (1) The gripper jaws, activated by pneumatic cylinders, servo motors, or vacuum cups, close to securely clamp the blank. (2) A robotic arm or linear actuator moves the gripped blank along a programmed path. (3) At the target location, the gripper releases the blank precisely. Sensors (proximity, vision, or force) often verify grip security, blank presence, and placement accuracy, with feedback to a PLC for system control.

Materials

Gripper jaws: Tool steel (e.g., AISI D2, 4140) or hardened aluminum for wear resistance; Body: Aluminum alloy (e.g., 6061-T6) for lightweight strength or stainless steel (e.g., 304) for corrosion resistance; Actuation components: Steel alloys, brass; Seals: Buna-N, polyurethane; Wear pads: UHMW polyethylene or PTFE.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Repeatability	±0.05 mm
Stroke Length	10-100 mm
Actuation Type	Pneumatic, Servo-electric, or Vacuum
Gripping Force	50-500 N (adjustable)
Max Blank Size	Up to 600 x 600 mm
Weight Capacity	1-20 kg
Control Interface	24 VDC, Ethernet/IP, PROFINET
Operating Pressure	4-6 bar (for pneumatic)

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

Standards

ISO 9409-1, ISO 10218-1, DIN 332, DIN 43650

Parent Products

This component is used in the following industrial products

Blank Feeder Mechanism

A mechanical system that precisely feeds metal blanks into a case forming and drawing press for processing.

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Engineering Analysis

Risks & Mitigation

Misalignment causing blank damage or misfeeds
Gripper wear leading to reduced grip force
Sensor failure resulting in incomplete cycles
Contamination (dust, oil) affecting actuation

FMEA Triads

Trigger: Worn gripper jaws or seals
Failure: Insufficient gripping force, blank slippage
Mitigation: Implement preventive maintenance schedules, use wear-resistant materials, install force sensors for real-time monitoring

Trigger: PLC or sensor malfunction
Failure: Incorrect positioning or failure to release blank
Mitigation: Use redundant sensors, regular calibration, and error-checking in control software

Trigger: Mechanical misalignment from impact or vibration
Failure: Reduced accuracy, potential collision
Mitigation: Secure mounting, vibration damping, periodic alignment checks

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

Positional tolerance ±0.1 mm, grip force tolerance ±5% of set value

Test Method

ISO 9283 for performance testing (path accuracy, repeatability); grip force verified with dynamometer; cycle testing under simulated load conditions

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

Check the legal entity, factory address, ownership, certifications, and direct contacts.

Compare the published product scope and source details, then include your specifications and quantity in an enquiry.

Manufacturers of Feed Arm/Gripper

Manufacturer profiles associated with Feed Arm/Gripper.

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Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review

Related Components

Upper Tool (Punch)

Upper Tool (Punch) is the active forming component in metal plate bending machines that applies precise downward force to create bends in sheet metal.

Main Frame

The main frame is the primary structural component of a hydraulic press, providing rigidity and stability to withstand high compressive forces during metal forming operations.

Shaft Bearing

Precision component supporting rotating shafts in vibration motors to reduce friction and maintain alignment.

Seal Groove

Precision-machined groove in aluminum bearing housings designed to accommodate sealing elements for fluid containment and contamination prevention.

Frequently Asked Questions

What are the main types of Feed Arm/Grippers?

Common types include pneumatic grippers (cost-effective, fast), servo-electric grippers (precise, programmable), and vacuum grippers (for non-marking handling of delicate or porous materials).

How do I select the right gripper for my application?

Consider blank material, weight, size, required precision, cycle time, and environmental conditions (e.g., cleanroom, high temperature). Pneumatic suits high-speed, low-cost needs; servo-electric offers flexibility and accuracy for complex tasks.

What maintenance does a Feed Arm/Gripper require?

Regular lubrication of moving parts, inspection of gripper jaws for wear, checking seals and actuators for leaks, and calibration of sensors and positioning systems to ensure accuracy and reliability.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

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.

Feed Arm/Gripper