INDUSTRY COMPONENT

Scraper Blades

Scraper blades are wear-resistant components in chip conveyors that remove metal chips and debris from conveyor surfaces.

Component Specifications

Definition
Scraper blades are precision-engineered components installed on chip conveyors in machining centers and industrial equipment. They function as contact elements that physically scrape accumulated metal chips, swarf, and coolant residues from conveyor belts or chains, ensuring continuous material flow and preventing system jams. These blades maintain optimal conveyor performance by reducing friction, preventing material buildup, and extending equipment lifespan through controlled wear management.
Working Principle
Scraper blades operate through direct mechanical contact with moving conveyor surfaces. Mounted at strategic angles (typically 45-60 degrees), they apply consistent pressure to dislodge adhered materials. The scraping action creates a shearing force that separates chips from the surface while minimizing wear on both the blade and conveyor. Advanced designs incorporate spring-loaded or adjustable mechanisms to maintain optimal contact pressure as the blade wears down.
Materials
High-carbon steel (AISI 1095), Tungsten carbide-tipped, Polyurethane (85-95 Shore A), UHMW polyethylene, Abrasion-resistant steel (AR400/500)
Technical Parameters
  • Hardness 45-65 HRC for metal, 85-95 Shore A for polymers
  • Thickness 3-12 mm
  • Blade Length 150-2000 mm
  • Pressure Range 10-50 N/cm
  • Operating Temperature -20°C to +120°C
Standards
ISO 340, DIN 22101, ISO 5832

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Scraper Blades.

Parent Products

This component is used in the following industrial products

Engineering Analysis

Risks & Mitigation
  • Premature wear from abrasive materials
  • Improper installation causing conveyor damage
  • Material buildup leading to system jams
  • Blade detachment during operation
FMEA Triads
Trigger: Excessive abrasive material contact
Failure: Rapid blade wear and reduced scraping efficiency
Mitigation: Use tungsten carbide-tipped blades or implement regular wear monitoring
Trigger: Incorrect mounting angle or pressure
Failure: Ineffective chip removal or conveyor surface damage
Mitigation: Follow manufacturer installation specifications and use adjustable mounting systems

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±0.5 mm on length, ±0.2 mm on thickness, ±2° on mounting angle
Test Method
Wear resistance testing per ASTM G65, hardness testing per ISO 6508, dimensional verification with coordinate measuring machines

Buyer Feedback

★★★★☆ 4.9 / 5.0 (34 reviews)

"The Scraper Blades we sourced perfectly fits our Machinery and Equipment Manufacturing production line requirements."

"Found 12+ suppliers for Scraper Blades on CNFX, but this spec remains the most cost-effective."

"The technical documentation for this Scraper Blades is very thorough, especially regarding technical reliability."

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Frequently Asked Questions

How often should scraper blades be replaced?

Replacement intervals depend on material composition and operating conditions. Metal blades typically last 6-12 months in continuous operation, while polyurethane blades may require replacement every 3-6 months in abrasive environments.

Can scraper blades be sharpened or refurbished?

High-carbon steel blades can be sharpened 2-3 times before replacement. Tungsten carbide-tipped blades cannot be sharpened but offer 3-5x longer service life. Polymer blades are disposable and cannot be refurbished.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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