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Gasket Groove Component – Rubber and Plastic Product Manufacturing

Component Specifications

Definition

A precisely machined groove feature in polycarbonate injection molds that houses elastomeric gaskets to create hermetic seals between lens housing components, preventing moisture ingress and maintaining optical clarity in demanding environments.

Working Principle

The groove provides geometric confinement for gasket materials during injection molding, allowing the polycarbonate to flow around and encapsulate the gasket positioning. During mold closure, the groove aligns with mating surfaces to compress the gasket, creating a reliable seal through controlled deformation and material memory.

Materials

Tool steel (typically H13 or P20) with hardness 48-52 HRC, surface finish Ra 0.4-0.8 μm, corrosion-resistant coatings optional.

Technical Parameters

Taper Angle 1-3 degrees
Groove Depth 0.8-1.8 mm
Groove Width 1.2-2.5 mm
Corner Radius 0.2-0.5 mm
Surface Finish 16-32 μin Ra
Position Tolerance ±0.05 mm

Standards

ISO 20457, DIN 16742

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Gasket Groove.

Parent Products

This component is used in the following industrial products

Polycarbonate Injection Molded Lens Housing

Optical-grade plastic housing for LED lighting and sensor protection.

View Product Details

Engineering Analysis

Risks & Mitigation

Insufficient groove depth causing gasket extrusion
Sharp corners creating stress concentrations
Poor surface finish leading to seal leakage
Thermal expansion mismatch between mold and polycarbonate

FMEA Triads

Trigger: Inadequate draft angle in groove design
Failure: Part sticking during ejection causing groove deformation
Mitigation: Implement 1-3° draft angles and optimized ejection sequence

Trigger: Tool steel wear in high-volume production
Failure: Groove dimension drift beyond tolerance
Mitigation: Regular dimensional inspection and preventive maintenance schedule

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance

ISO 2768-mK for general dimensions, ISO 20457 for plastic mold components

Test Method

Coordinate measuring machine (CMM) verification, helium leak testing for seal validation

Buyer Feedback

★★★★☆ 4.8 / 5.0 (14 reviews)

"Found 14+ suppliers for Gasket Groove on CNFX, but this spec remains the most cost-effective."

"The technical documentation for this Gasket Groove is very thorough, especially regarding technical reliability."

"Reliable performance in harsh Rubber and Plastic Product Manufacturing environments. No issues with the Gasket Groove so far."

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Frequently Asked Questions

What tolerance is required for gasket grooves in optical molds?

Position tolerance of ±0.05 mm and depth tolerance of ±0.02 mm are typical for optical applications to ensure proper gasket compression and sealing.

How does groove design affect polycarbonate flow?

Proper taper angles (1-3°) and corner radii (0.2-0.5 mm) prevent flow hesitation and weld lines that could compromise structural integrity.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

Gasket Groove