Clamping Bars: Length Range 300-2000mm, Width 40-100mm

Component Specifications

Definition

Clamping bars are linear mechanical components designed to distribute clamping force evenly across a workpiece surface. They are integral to deck clamps and tensioning systems in industrial machinery, providing secure fixation during cutting, milling, drilling, or assembly processes. These bars typically feature precision-ground surfaces and mounting interfaces to ensure consistent pressure application and alignment stability.

Working Principle

Clamping bars operate on the principle of mechanical force distribution through rigid linear structures. When activated by hydraulic, pneumatic, or mechanical actuators, they translate axial force into uniform perpendicular pressure across their contact surface. The tensioning system maintains predetermined force levels through spring mechanisms or pressure regulators, ensuring consistent clamping throughout operation cycles.

Materials

High-strength alloy steel (AISI 4140/4340), hardened to 45-50 HRC with chrome plating (0.02-0.03mm) for corrosion resistance. Alternative materials include stainless steel (316L) for corrosive environments or aluminum alloys (7075-T6) for lightweight applications.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Width	40-100mm
Height	25-60mm
Parallelism	0.01mm/100mm
Length Range	300-2000mm
Clamping Force	500-5000N per bar
Surface Finish	Ra 0.8-1.6μm
Flatness Tolerance	0.02mm/100mm
Mounting Hole Pattern	M8-M16 on 50-100mm centers

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 2768-mK, DIN 7168, ISO 9013

Parent Products

This component is used in the following industrial products

Deck Clamps/Tensioning System

A mechanical system used to secure and maintain tension on screening surfaces within a screen deck assembly.

View Product Details

Engineering Analysis

Risks & Mitigation

Uneven pressure distribution
Material deformation from excessive force
Fatigue failure from cyclic loading
Corrosion in humid environments
Thermal expansion mismatch

FMEA Triads

Trigger: Improper torque application on mounting bolts
Failure: Bar misalignment leading to uneven clamping pressure
Mitigation: Use calibrated torque wrenches and follow manufacturer's torque specifications with regular verification

Trigger: Abrasive particle accumulation on contact surfaces
Failure: Premature wear and reduced clamping effectiveness
Mitigation: Implement regular cleaning protocols and use protective covers when machines are idle

Trigger: Material fatigue from high-cycle operations
Failure: Crack propagation and catastrophic failure
Mitigation: Schedule periodic non-destructive testing (magnetic particle or dye penetrant) for high-use applications

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

±0.05mm dimensional tolerance, ±0.02mm flatness per 100mm length

Test Method

Coordinate measuring machine (CMM) verification, surface plate inspection with dial indicators, clamping force measurement with load cells

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.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of Clamping Bars

Manufacturer profiles associated with Clamping Bars.

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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

Mounting Interface

Precision mounting interface connecting punch tips to pharmaceutical tablet press machines for accurate tablet production.

Chrome Plating

Hard chrome plating is an electroplating process that deposits a layer of chromium onto metal surfaces to enhance wear resistance, corrosion protection, and reduce friction for hydraulic cylinder piston rods.

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.

Frequently Asked Questions

What maintenance do clamping bars require?

Regular inspection for surface wear, cleaning of contact surfaces, lubrication of adjustment mechanisms, and torque verification of mounting fasteners every 500 operating hours.

How do I select the right clamping bar length?

Measure the maximum workpiece width plus 20% additional length for mounting clearance. Consider machine bed dimensions and ensure the bar doesn't interfere with adjacent components.

Can clamping bars be customized for special applications?

Yes, manufacturers offer custom lengths, specialized coatings, alternative materials, and modified mounting patterns for unique machine configurations or material handling requirements.

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.

Clamping Bars