INDUSTRY COMPONENT

Roller Core/Shaft

Roller Core/Shaft is the central structural component of tensioning rollers, providing rotational support and load-bearing capacity in material handling systems.

Component Specifications

Definition
The Roller Core/Shaft is a precision-engineered cylindrical component that serves as the central axis of tensioning rollers in industrial machinery. It transmits torque, supports radial and axial loads, and maintains alignment under dynamic tensioning forces. This component ensures consistent material tension across production lines by providing stable rotational movement with minimal deflection.
Working Principle
The Roller Core/Shaft operates on rotational mechanics principles, converting motor torque into controlled roller movement. It maintains precise tension by resisting bending moments and torsional stresses while supporting the roller's outer surface. The shaft's rigidity and concentricity ensure uniform material contact and consistent tension application throughout the production process.
Materials
Typically manufactured from alloy steels (AISI 4140, 4340) or stainless steels (304, 316) with surface treatments including induction hardening (HRC 45-55), chrome plating (0.05-0.10mm), or nitriding. High-precision applications may use carbon fiber composites or titanium alloys for weight reduction.
Technical Parameters
  • Maximum RPM 1500-3000
  • Length Range 200-3000mm
  • Load Capacity 500-5000kg
  • Diameter Range 20-300mm
  • Surface Finish Ra 0.4-1.6μm
  • Runout Tolerance 0.02mm
  • Temperature Range -20°C to 150°C
  • Straightness Tolerance 0.05mm/m
Standards
ISO 286-2, DIN 748, ISO 2768-m, DIN 7184

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Roller Core/Shaft.

Parent Products

This component is used in the following industrial products

Engineering Analysis

Risks & Mitigation
  • Fatigue failure from cyclic loading
  • Corrosion in humid environments
  • Bearing seizure due to inadequate lubrication
  • Misalignment causing premature wear
  • Thermal expansion affecting precision
FMEA Triads
Trigger: Insufficient lubrication
Failure: Bearing seizure and shaft scoring
Mitigation: Implement automated lubrication systems with monitoring sensors and establish regular maintenance schedules
Trigger: Material fatigue from cyclic loading
Failure: Crack propagation and catastrophic shaft failure
Mitigation: Use fatigue-resistant materials, implement load monitoring systems, and conduct periodic non-destructive testing

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
Geometric tolerances per ISO 1101, dimensional tolerances per ISO 286-2, surface roughness per ISO 1302
Test Method
Dimensional verification with CMM, hardness testing per ISO 6508, non-destructive testing (ultrasonic, magnetic particle), dynamic balancing per ISO 1940-1

Buyer Feedback

★★★★☆ 4.8 / 5.0 (32 reviews)

"The Roller Core/Shaft we sourced perfectly fits our Machinery and Equipment Manufacturing production line requirements."

"Found 44+ suppliers for Roller Core/Shaft on CNFX, but this spec remains the most cost-effective."

"The technical documentation for this Roller Core/Shaft is very thorough, especially regarding technical reliability."

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Frequently Asked Questions

What maintenance is required for Roller Core/Shaft components?

Regular inspection for wear, lubrication of bearing surfaces, alignment checks, and monitoring for vibration or runout exceeding specifications. Preventive maintenance includes cleaning, corrosion protection, and periodic replacement based on operational hours.

How do I select the right Roller Core/Shaft for my application?

Consider load requirements, rotational speed, environmental conditions (temperature, humidity, chemicals), material compatibility, and precision requirements. Consult engineering specifications for diameter, length, material grade, and surface treatment based on your tensioning system design.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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