INDUSTRY COMPONENT

Mandrel Body

Mandrel body is the central structural component of a mandrel machine that provides support and alignment for material forming operations.

View Specifications

Component Specifications

Definition
The mandrel body is the primary cylindrical or tapered structural element in mandrel machines, designed to maintain precise dimensional stability and alignment during material forming processes such as tube bending, pipe expansion, or composite layup. It serves as the core support around which materials are shaped, ensuring consistent geometry and preventing deformation under operational loads.
Working Principle
The mandrel body operates by providing a rigid, precisely machined surface against which materials are formed. During operation, it remains stationary or rotates while external forces (hydraulic, mechanical, or pneumatic) shape materials around its contour. Its design minimizes deflection and maintains alignment through internal reinforcement structures and precise mounting interfaces.
Materials
Typically manufactured from high-strength alloy steels (AISI 4140, 4340), tool steels (D2, H13), or stainless steels (316, 17-4PH) with hardness ranging from 45-60 HRC. Advanced applications may use tungsten carbide inserts or ceramic coatings for wear resistance.
Technical Parameters
  • Length Range 100-3000 mm
  • Concentricity 0.02 mm TIR
  • Diameter Range 10-500 mm
  • Surface Finish Ra 0.4-1.6 μm
  • Maximum Load Capacity 5-200 kN
  • Operating Temperature -20°C to 300°C
  • Straightness Tolerance 0.05 mm/m
Standards
ISO 2768, DIN 7168, ASME Y14.5

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Mandrel Body.

mandrel body mandrel component tube bending mandrel pipe expansion tool forming mandrel industrial mandrel precision mandrel machining mandrel Mandrel Body in Machinery and Equipment Manufacturing

Parent Products

This component is used in the following industrial products

Mandrel

A cylindrical tool or shaft used in a downcoiler to form and support the coil of metal strip during the winding process.

View Product Details

Engineering Analysis

Risks & Mitigation
  • Dimensional inaccuracy due to wear
  • Structural failure under excessive load
  • Material galling or sticking
  • Misalignment causing forming defects
  • Fatigue cracking in high-cycle applications
FMEA Triads
Trigger: Insufficient material hardness
Failure: Premature surface wear leading to dimensional inaccuracy
Mitigation: Specify appropriate material grade and hardness; implement regular dimensional inspections
Trigger: Improper mounting or alignment
Failure: Forming defects in finished products
Mitigation: Use precision mounting fixtures; implement alignment verification procedures
Trigger: Excessive forming forces
Failure: Structural deformation or fracture
Mitigation: Calculate and monitor operational loads; implement force limiting controls

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
Geometric tolerances per ISO 2768-m, dimensional tolerances ±0.05 mm for critical surfaces
Test Method
Coordinate measuring machine (CMM) verification, surface roughness testing, non-destructive testing (MPI/UT) for critical applications

Buyer Feedback

★★★★☆ 4.7 / 5.0 (12 reviews)

"Found 36+ suppliers for Mandrel Body on CNFX, but this spec remains the most cost-effective."

"The technical documentation for this Mandrel Body is very thorough, especially regarding technical reliability."

"Reliable performance in harsh Machinery and Equipment Manufacturing environments. No issues with the Mandrel Body so far."

Related Components

pH Sensor Assembly
Precision pH sensor assembly for automated monitoring and dosing systems in industrial applications
Load Cell Assembly
Precision load cell assembly for automated powder dispensing systems
Dust Collection Port
A dust collection port is a critical component in automated powder dispensing systems that captures airborne particulates at the source to maintain clean air quality and prevent cross-contamination.
Sensor Element
Core sensing component in industrial smart sensor modules that converts physical parameters into electrical signals for process monitoring and control.

Frequently Asked Questions

What is the primary function of a mandrel body?

The mandrel body provides the central structural support and precise forming surface around which materials are shaped in mandrel-based forming operations, ensuring dimensional accuracy and preventing material collapse or wrinkling.

How do I select the appropriate mandrel body material?

Material selection depends on application requirements: alloy steels for general-purpose forming, tool steels for high-wear applications, stainless steels for corrosive environments, and tungsten carbide for extreme wear resistance in high-volume production.

What maintenance does a mandrel body require?

Regular inspection for surface wear, dimensional verification, cleaning to prevent material buildup, and periodic lubrication of mounting interfaces. Damaged surfaces should be re-machined or replaced to maintain forming accuracy.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

Get Quote for Mandrel Body

Mandrel Assembly Mandrel Shaft