Editorial Technical Reference

Programmable Clamping Unit

This page explains how Programmable Clamping Unit is classified within Machinery and Equipment Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

A programmable clamping device that provides adjustable holding force and positioning for workpieces in automated fixture systems.

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Programmable Clamping Unit in a manufacturing environment
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Product Specifications

Technical details and manufacturing context for Programmable Clamping Unit

Definition
A programmable clamping unit is an intelligent component within automated fixture systems that provides precise, adjustable clamping force and positioning for workpieces during manufacturing processes. It enables automated control of clamping parameters such as force, position, and timing, allowing for flexible adaptation to different workpiece geometries and production requirements without manual adjustment. The unit is typically used in machining, assembly, and inspection applications where quick changeovers and consistent clamping are essential. It integrates with the system's controller, which sends signals to an actuator—pneumatic, hydraulic, or electric—to apply force through a mechanical linkage. Sensors provide feedback on clamping status and force levels, ensuring proper operation and safety. The unit is available with a clamping force range of 5–50 kN, adjustable via a pressure regulator, and a stroke length of 10–100 mm for the clamping arm. Positioning repeatability is ±0.02 mm, suitable for automated fixture systems. Operating pressure is 1.0–1.6 MPa, and supply voltage is 24 V DC ±10%. Power consumption ranges from 10–30 W, depending on solenoid and sensors. Operating temperature is -40 to 85 °C in non-condensing environments. Protection class is IP54–IP65 (IEC 60529), with IP65 for washdown. Body material is aluminum alloy, hard anodized for wear resistance. Weight varies with stroke and force, ranging from 2.5–8.0 kg. Materials on file include high-strength steel, aluminum alloy, and engineering plastics. These values are reference ranges; verify model-specific specifications with the legal manufacturer or supplier.
Working Principle
The unit receives control signals from the automated fixture system's controller, which activates an actuator (typically pneumatic, hydraulic, or electric) to apply clamping force through a mechanical linkage. Programmable parameters include clamping force, stroke length, clamping position, and timing sequences. Sensors provide feedback on clamping status and force levels to ensure proper operation and safety. The controller adjusts the actuator based on programmed parameters, allowing for flexible adaptation to different workpiece geometries and production requirements without manual adjustment.
Common Materials
High-strength steel, Aluminum alloy, Engineering plastics
Technical Parameters
ParameterTypical rangeNotes & selection driver
Clamping Force5–50 kNAdjustable via pressure regulator
Stroke10–100 mmStroke length for clamping arm
Positioning Repeatability±0.02 mmFor automated fixture systems
Supply Voltage24 ±10% V DCFor solenoid control
Power Consumption10–30 WDepends on solenoid and sensors
Operating Temperature-40–85 °CNon-condensing environment
Protection ClassIP54–IP65IP65 for washdownIEC 60529
Body MaterialAluminum alloyHard anodized for wear resistance
Weight2.5–8.0 kgVaries with stroke and force

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
  • Actuator
    Converts control signals into mechanical motion to apply clamping force
    Material: Steel, Aluminum
  • Clamping Jaw Part
    Direct contact surface that applies force to the workpiece
    Material: Hardened steel, Carbide
  • Position Sensor
    Detects clamping position and provides feedback to the control system
    Material: Stainless steel, Electronic components
  • Force Sensor
    Measures applied clamping force and ensures it remains within safe limits
    Material: Stainless steel, Strain gauges
  • Control Interface
    Receives programming commands and communicates with the main fixture controller
    Material: Plastic, Electronic components
  • Mechanical Linkage
    Carries the actuator's motion to the jaw and multiplies the clamping force.

Application & selection

Application Fit & Sizing Matrix

Operational Limits
pressure: 0 to 150 bar
other spec: Max flow rate: 25 L/min, Positioning accuracy: ±0.05 mm, Holding force range: 100-5000 N
temperature: -20°C to 80°C
Media Compatibility
✓ Metallic workpieces (steel, aluminum) ✓ Composite materials ✓ Plastic components
Unsuitable: Corrosive chemical environments (acids, strong solvents)
Sizing Data Required
  • Required clamping force (N)
  • Workpiece dimensions and weight
  • Cycle time and positioning accuracy requirements

Risk, maintenance & compliance

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Hydraulic Seal Degradation
Cause: Contamination from particulate matter in hydraulic fluid leading to abrasive wear, or chemical incompatibility causing seal hardening/cracking
Position Sensor Drift/Calibration Loss
Cause: Environmental factors (temperature fluctuations, vibration), electrical interference, or mechanical wear affecting sensor alignment/accuracy
Maintenance Indicators
  • Inconsistent clamping force or position accuracy during operation
  • Unusual hydraulic system noises (hissing, knocking) or visible fluid leaks around clamping cylinders
Engineering Tips
  • Implement strict hydraulic fluid filtration and contamination control program with regular fluid analysis
  • Establish routine calibration and validation schedule for position sensors with environmental compensation where applicable

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
ANSI B11.19-2019 Performance Requirements for Safeguarding CE Machinery Directive 2006/42/EC

Quoted from the published standard.

Manufacturing Precision
  • Clamping Force Repeatability: +/- 2%
  • Positioning Accuracy: +/- 0.01 mm
Quality Inspection
  • Load Cell Calibration Verification
  • Leak Test (Hydraulic/Pneumatic Systems)
Technical documentation
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Manufacturing capability
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Inspection readiness
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Supplier transparency
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Manufacturers of Programmable Clamping Unit

Manufacturer profiles associated with Programmable Clamping Unit.

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Frequently Asked Questions

What is the clamping force range of this programmable clamping unit?

The clamping force range is 5–50 kN, adjustable via a pressure regulator. The exact force for a specific application depends on the system configuration and must be verified with the manufacturer.

What is the positioning repeatability?

The positioning repeatability is ±0.02 mm, which is suitable for automated fixture systems. This value is a reference and should be confirmed for the actual model.

What are the operating pressure and supply voltage requirements?

The operating pressure is 1.0–1.6 MPa, and the supply voltage is 24 V DC ±10%. These are reference values; verify with the manufacturer for your specific unit.

What is the protection class of the unit?

The protection class is IP54–IP65 (IEC 60529), with IP65 for washdown. This indicates the level of protection against dust and water, but confirm the exact rating for your model.

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

Related equipment

Applied To / Applications

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

Automated Fixture System
View system integration details

Industrial Ecosystem & Supply Chain Structure

Data Basis

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

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.

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 · Page last updated 12 October 2026

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