INDUSTRY COMPONENT

Clamping Bar

A clamping bar is a precision component used in blade holder assemblies to secure cutting blades during machining operations.

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Component Specifications

Definition
A clamping bar is a critical mechanical component designed to apply uniform pressure and secure blades within a blade holder assembly. It ensures precise blade positioning, prevents movement during high-speed operations, and maintains cutting accuracy in industrial machining applications. Typically featuring threaded holes, mounting surfaces, and pressure distribution mechanisms, it interfaces with hydraulic or mechanical clamping systems.
Working Principle
The clamping bar operates by transmitting force from clamping mechanisms (hydraulic, pneumatic, or mechanical) through its structure to create uniform pressure along the blade's contact surface. This pressure generates sufficient friction to immobilize the blade against the holder, while precision-ground surfaces ensure proper alignment and load distribution.
Materials
High-strength alloy steel (e.g., AISI 4140, 4340) or tool steel (D2, A2) with hardness 45-55 HRC; corrosion-resistant variants use stainless steel (304, 316) or surface treatments (nitriding, chrome plating).
Technical Parameters
  • Width 30-80 mm
  • Length 150-500 mm
  • Thickness 15-40 mm
  • Load Capacity 500-2000 N/cm
  • Surface Finish Ra 0.8-1.6 μm
  • Flatness Tolerance ≤0.02 mm
  • Mounting Hole Pattern M8-M16 threaded
Standards
ISO 12164-1, DIN 69893

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Clamping Bar.

clamping bar blade holder component machine tool clamping industrial clamping systems precision machining parts Clamping Bar in Machinery and Equipment Manufacturing

Parent Products

This component is used in the following industrial products

Blade Holder

A mechanical component designed to securely hold and position a blade within a doctoring system.

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Engineering Analysis

Risks & Mitigation
  • Fatigue failure from cyclic loading
  • Warpage due to uneven thermal expansion
  • Thread stripping in mounting holes
  • Insufficient clamping force causing blade movement
FMEA Triads
Trigger: Material fatigue from repeated clamping cycles
Failure: Crack propagation leading to bar fracture
Mitigation: Implement regular inspection schedules, use materials with high fatigue strength, and apply non-destructive testing (ultrasonic or dye penetrant)
Trigger: Improper torque application during installation
Failure: Thread damage or uneven pressure distribution
Mitigation: Use calibrated torque wrenches, follow manufacturer specifications, and train operators on proper installation procedures

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
Geometric tolerances per ISO 2768-m, dimensional tolerances ±0.05 mm
Test Method
Dimensional verification with CMM, hardness testing per ASTM E18, load testing with hydraulic pressure gauges

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 is the primary function of a clamping bar in a blade holder?

To securely fasten cutting blades while maintaining precise alignment and distributing clamping force evenly to prevent blade slippage during machining operations.

How do I select the right material for a clamping bar?

Choose based on application: alloy steel for general machining, tool steel for high-wear environments, or stainless steel with coatings for corrosive conditions, considering hardness and fatigue resistance requirements.

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.

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