Industry-Verified Manufacturing Data (2026)

Blade Holder

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Blade Holder used in the Machinery and Equipment Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Blade Holder is characterized by the integration of Clamping Bar and Adjustment Bolts/Screws. In industrial production environments, manufacturers listed on CNFX commonly emphasize Stainless Steel construction to support stable, high-cycle operation across diverse manufacturing scenarios.

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

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Product Specifications

Technical details and manufacturing context for Blade Holder

Definition
The blade holder is a critical component within a doctoring system that provides precise mounting, alignment, and secure clamping for the doctoring blade. It ensures the blade maintains consistent contact pressure and angle against the target surface (e.g., a roll or web) for effective scraping, coating control, or cleaning operations.
Working Principle
The holder typically uses mechanical clamping mechanisms (such as bolts, wedges, or pneumatic/hydraulic actuators) to fix the blade in place. It is designed to allow for micro-adjustments to control the blade's angle (doctor angle) and pressure against the surface, which are crucial for the doctoring process's effectiveness and to prevent damage to the blade or the substrate.
Common Materials
Stainless Steel, Aluminum Alloy, Carbon Steel
Technical Parameters
  • Holder length, width, and thickness; blade clamping range (min-max blade thickness); mounting hole pattern dimensions. (mm) Per Request
Components / BOM
  • Clamping Bar
    Applies direct pressure to secure the blade against the holder body.
    Material: Stainless Steel
  • Adjustment Bolts/Screws
    Allow for fine-tuning of blade angle and clamping pressure.
    Material: Alloy Steel
  • Holder Body/Base
    Main structural frame that mounts to the system and supports the clamping mechanism.
    Material: Aluminum Alloy or Carbon Steel
Engineering Reasoning
0.5-3.0 MPa clamping pressure, -20°C to 150°C temperature range
Clamping pressure below 0.3 MPa causes blade slippage; above 3.5 MPa induces plastic deformation in holder material
Design Rationale: Stress concentration at blade-hub interface exceeding yield strength of 4140 steel (415 MPa) due to cyclic loading at 0.1-10 Hz frequency
Risk Mitigation (FMEA)
Trigger Corrosive fluid ingress at pH <4 or >10
Mode: Pitting corrosion at blade contact surfaces exceeding 0.5 mm depth
Strategy: 316L stainless steel construction with 0.1 mm PTFE coating on contact surfaces
Trigger Thermal expansion mismatch between holder (α=11.5×10⁻⁶/°C) and blade (α=5.5×10⁻⁶/°C)
Mode: Clamping force reduction by 40% at 150°C operating temperature
Strategy: Bimetallic compensation washer with differential expansion coefficient of 6.0×10⁻⁶/°C

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Blade Holder.

stainless steel blade holder doctoring system aluminum alloy blade holder mechanical component carbon steel blade holder adjustment bolts doctoring system blade holder clamping bar precision blade holder for machinery manufacturing

Applied To / Applications

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

Doctoring System
View system integration details
Scrap Cutter
View system integration details
Squeegee Assembly
View system integration details
Knife Assembly
View system integration details
Scraper
View system integration details

Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Up to 10 bar
temperature: -20°C to 150°C
slurry concentration: Up to 60% solids by weight
Media Compatibility
✓ Paper pulp slurries ✓ Chemical process fluids ✓ Mineral processing slurries
Unsuitable: Highly corrosive acidic environments (pH < 2)
Sizing Data Required
  • Blade dimensions (length, width, thickness)
  • Doctoring system operating pressure
  • Required blade clamping force

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Fatigue cracking
Cause: Cyclic loading from blade vibration and centrifugal forces leading to stress concentration at geometric discontinuities
Wear and galling
Cause: Fretting corrosion and adhesive wear at blade interface surfaces due to inadequate lubrication or misalignment
Maintenance Indicators
  • Unusual vibration patterns or audible knocking during operation
  • Visible cracks, deformation, or excessive play at blade mounting points
Engineering Tips
  • Implement precision alignment procedures and regular torque verification to minimize stress concentrations
  • Establish condition-based lubrication protocols using compatible anti-galling compounds at interface surfaces

Compliance & Manufacturing Standards

Reference Standards
ISO 9001:2015 - Quality Management Systems ANSI B94.55M-1985 - Cutting Tools and Holders DIN 69871 - Tool Holders for Machine Tools
Manufacturing Precision
  • Bore Diameter: +/-0.01mm
  • Surface Flatness: 0.05mm
Quality Inspection
  • Dimensional Verification with CMM
  • Hardness Testing (Rockwell C Scale)

Factories Producing Blade Holder

Verified manufacturers with capability to produce this product in China

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✓ 92% Supplier Capability Match Found

T Technical Director from United States Jan 10, 2026
★★★★★
"Found 20+ suppliers for Blade Holder on CNFX, but this spec remains the most cost-effective."
Technical Specifications Verified
P Project Engineer from United Arab Emirates Jan 07, 2026
★★★★☆
"The technical documentation for this Blade Holder is very thorough, especially regarding technical reliability. (Delivery took slightly longer than expected, but technical support was excellent.)"
Technical Specifications Verified
S Sourcing Manager from Australia Jan 04, 2026
★★★★★
"Reliable performance in harsh Machinery and Equipment Manufacturing environments. No issues with the Blade Holder so far."
Technical Specifications Verified
Verification Protocol

“Feedback is collected from verified sourcing managers during RFQ (Request for Quote) and factory evaluation processes on CNFX. These reports represent historical performance data and technical audit summaries from our B2B manufacturing network.”

15 sourcing managers are analyzing this specification now. Last inquiry for Blade Holder from Poland (1h ago).

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Frequently Asked Questions

What materials are available for the blade holder?

Our blade holders are manufactured in stainless steel for corrosion resistance, aluminum alloy for lightweight applications, and carbon steel for high-strength requirements.

How does the blade holder secure the blade in a doctoring system?

The blade holder uses a clamping bar and adjustment bolts/screws to securely grip and precisely position the blade, ensuring consistent performance in doctoring applications.

What are the main components of the blade holder?

The blade holder consists of a holder body/base, clamping bar, and adjustment bolts/screws, designed for easy installation and precise blade positioning in machinery.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data Specifications verified by CNFX Industrial Index (v2.6.03) for Machinery and Equipment Manufacturing sector.

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