INDUSTRY COMPONENT

Pin Body

Pin body for precision casting mold venting pins that regulates air and gas escape during metal casting processes.

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Component Specifications

Definition
The pin body is a critical component of venting pins used in precision casting molds, designed to create controlled pathways for air and gases to escape during molten metal injection. This prevents defects like porosity, incomplete filling, and surface imperfections by ensuring proper cavity evacuation and pressure equalization.
Working Principle
The pin body functions as the structural core of venting pins, maintaining dimensional stability while allowing gases to pass through micro-channels or porous structures. During casting, thermal expansion creates precise gaps between the pin body and mold, facilitating controlled venting without metal leakage.
Materials
High-temperature tool steel (H13, A2), tungsten carbide, or ceramic composites with heat resistance above 1000°C and minimal thermal expansion.
Technical Parameters
  • Length 20-150 mm
  • Diameter 1-10 mm
  • Hardness 45-62 HRC
  • Surface Finish Ra 0.4 μm max
  • Pressure Rating Up to 150 bar
  • Operating Temperature Up to 1200°C
Standards
ISO 9001, DIN 8580

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Pin Body.

precision casting mold venting pin pin body casting defects gas escape tool steel ISO standards FMEA metal casting Pin Body in Machinery and Equipment Manufacturing

Parent Products

This component is used in the following industrial products

Precision Casting Mold Venting Pin

Specialized pin for venting gases from casting molds

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Engineering Analysis

Risks & Mitigation
  • Thermal fatigue cracking
  • Gas blockage from contamination
  • Dimensional inaccuracy causing leakage
FMEA Triads
Trigger: Insufficient material heat resistance
Failure: Premature deformation or melting
Mitigation: Use certified high-temperature alloys with proper heat treatment
Trigger: Poor surface finish
Failure: Gas trapping and incomplete venting
Mitigation: Implement precision grinding and polishing to Ra ≤0.4 μm

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±0.01 mm diameter, ±0.05 mm length
Test Method
Dimensional verification with CMM, pressure testing at 1.5x operating pressure, thermal cycling validation

Buyer Feedback

★★★★☆ 4.7 / 5.0 (27 reviews)

"Impressive build quality. Especially the technical reliability is very stable during long-term operation."

"As a professional in the Machinery and Equipment Manufacturing sector, I confirm this Pin Body meets all ISO standards."

"Standard OEM quality for Machinery and Equipment Manufacturing applications. The Pin Body arrived with full certification."

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Frequently Asked Questions

What is the primary function of a pin body in venting pins?

To provide structural integrity while enabling controlled escape of air and gases during metal casting to prevent defects.

How does material selection affect pin body performance?

Materials like H13 steel or tungsten carbide ensure thermal stability, wear resistance, and prevent deformation under high temperatures and pressures.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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