Bridge Molding Services

Bridge molding is a rapid, cost-efficient solution for transitioning from prototyping to full-scale production. Frigate ensures seamless scalability with minimal tooling adjustments, reducing lead times for high-volume manufacturing. 

Our Clients

Advantages of Bridge Molding with Frigate

Tooling Optimization

Bridge molding uses low-cost, temporary tooling that mimics final production molds, allowing for design validation without fully investing in hardened steel molds.

Dimensional Precision

Bridge molding ensures tight tolerances and accurate geometries, offering near-production-quality parts that meet end-use applications' specifications.

Material Compatibility

Bridge molding accommodates a range of engineering-grade thermoplastics and elastomers, providing flexibility for high-performance materials in demanding applications.

Iterative Refinement

It allows engineers to refine product designs and validate part functionality in real-world conditions before committing to final, costly production tooling.

Minimizing Extended Lead Times

Extended lead times in bridge molding arise from complex tooling setups and development processes. These delays often hinder customers from achieving faster time-to-market. Frigate addresses this challenge by implementing rapid tooling techniques using prototype molds, significantly reducing setup times. Advanced manufacturing processes and streamlined production workflows enable quicker part production, ensuring faster lead times. This allows parts to be manufactured while the final tooling is developed, effectively reducing delays. 

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Our Bridge Molding Process

HY D R O L Y SIS RESIS T ANCE
Design Preparation

The process begins with detailed part design and CAD modeling, ensuring precise specifications and requirements for the intended application. 

Tooling Development

Temporary tooling is created using low-cost materials. It is a prototype mold designed to produce initial parts without needing expensive, permanent molds. 

Material Selection

Suitable materials are chosen based on the part requirements, considering factors like strength, flexibility, and thermal properties to ensure optimal performance. 

Molding Process

The selected material is heated and injected into the temporary mold under controlled conditions, allowing it to fill the cavity and take the desired shape. 

Part Cooling and Removal

After the material cools and solidifies, the molded part is removed from the mold. This step ensures that the part retains its intended geometry and dimensional accuracy. 

Quality Inspection

Each part undergoes rigorous inspection to verify dimensional tolerances and surface finish. Adjustments are made as necessary to ensure the part meets all quality standards before moving to full production. 

Bridge Molding Materials

Bridge Molding utilizes advanced thermoplastic materials for optimal performance and durability. Our selection ensures superior strength, precision, and chemical resistance for diverse applications. 

ABS (Acrylonitrile Butadiene Styrene)

ABS is known for its strength and impact resistance. It is commonly used for durable parts in automotive, electronics, and consumer products. It offers good dimensional stability and is easy to mold. 

Polypropylene (PP)

Polypropylene is a lightweight, flexible material with excellent chemical resistance. It's ideal for durable parts in harsh environments, such as medical devices and automotive components. 

Polycarbonate (PC)

Polycarbonate is highly transparent, with excellent toughness and heat resistance. Due to its clarity and strength, this material is commonly used in optical devices, lighting components, and safety applications. 

Nylon (Polyamide)

Nylon provides high mechanical strength and wear resistance, making it suitable for parts exposed to friction or high-stress environments. It's widely used in gears, bushings, and structural components. 

Thermoplastic Elastomers (TPE)

TPEs combine the flexibility of rubber with the processability of plastics, allowing for soft-touch components. These are used in grips, seals, and over-molded parts where flexibility and comfort are essential. 

Polyethylene (PE)

Polyethylene offers excellent chemical resistance and low moisture absorption, making it ideal for packaging, containers, and insulation. It is also used in parts requiring lightweight and flexibility. 

Polystyrene (PS)

Polystyrene is a low-cost material with good dimensional stability and ease of molding. It is often used in consumer products, medical devices, and packaging. 

PBT (Polybutylene Terephthalate)

PBT is a strong, heat-resistant material used in automotive parts, electrical components, and industrial applications. It has excellent wear resistance and dimensional stability under heat. 

Custom Bridge Molding for Enhanced Manufacturing Efficiency

Custom bridge molding offers a rapid transition from prototype to production, ensuring high precision in part manufacturing. This process utilizes low-cost, temporary tooling mimics final production molds, minimizing upfront investment. Quick design validation and functional testing are integral to the approach, allowing for iterative refinement before full-scale production. The technique streamlines workflows, significantly reducing lead times and costs while maintaining dimensional accuracy. Custom bridge molding facilitates scalability, efficiently and flexibly bridging the gap between initial concepts and mass production. 

Compliance for Bridge Molding Services

Bridge molding requires precise engineering and adherence to strict industry standards, ensuring safety, performance, and reliability in critical applications. Frigate meets high compliance standards for every part produced, focusing on stringent material properties, process control, and dimensional accuracy. Our commitment ensures that each molded component meets the exacting demands of industries such as aerospace and automotive.  

ISO 9001:2015

Specifies strict quality management for defect control, ensuring consistent production and customer satisfaction in complex molding projects. 

RoHS Directive 2011/65/EU

Regulates hazardous substances in polymers and alloys, ensuring components are environmentally compliant and safe for global markets. 

ITAR Compliance (22 CFR Parts 120-130)

Enforces secure manufacturing and documentation for defense-related bridge molds, safeguarding sensitive data and export-controlled items. 

DFARS 252.225-7014

Requires certified sourcing of specialty metals for military use, ensuring compliance with U.S. defense material standards. 

ASME Y14.5-2018 (GD&T Standards)

Ensures precise dimensioning and tolerancing for complex geometries, which is crucial for maintaining part integrity and tight tolerances. 

PPAP (Production Part Approval Process)

Validates molding processes through detailed documentation and testing, ensuring part consistency and readiness for large-scale production. 

ASTM A494/A494M-20

Standardizes nickel and cobalt alloy properties, ensuring reliability in high-temperature bridge molding applications. 

SAE AMS 2404L

Governs hard chrome plating, ensuring wear resistance and durability for molded parts subjected to extreme stress. 

Tolerance for Bridge Molding Services

Linear Dimensional Tolerance
±0.002 in (0.051 mm)

Precision control for linear measurements to ensure accurate fitment in complex bridge structures and assemblies. 

Hole Diameter Tolerance
±0.001 in (0.025 mm)

High precision required for critical hole diameters, ensuring compatibility with fasteners and other mating components. 

Angle Tolerance
±0.5°

Precision in angles for molded parts, critical for correct component assembly and alignment in bridge molds. 

Thickness Variation
±0.002 in (0.051 mm)

Tight control of wall thickness to prevent distortion during molding and maintain the strength of the final part. 

Thread Depth Tolerance
±0.001 in (0.025 mm)

Ensures accurate thread depths for fastener compatibility and maintaining structural integrity in molded parts. 

Cavity Size
±0.003 in (0.076 mm)

Control of cavity dimensions to ensure uniformity in molding, preventing defects or weak points in the final product. 

Concentricity
0.002 in (0.051 mm)

Ensures that holes or features are precisely aligned along a common axis, critical for component functionality. 

Flatness of Surface
0.001 in (0.025 mm)

Ensures that surfaces, especially for mating parts, are flat within tight tolerances, improving performance and reducing wear. 

Runout
0.002 in (0.051 mm)

Ensures that rotating parts are perfectly aligned during assembly, reducing potential for defects in high-performance applications. 

Surface Perpendicularity
0.002 in (0.051 mm)

Ensures that surfaces are perpendicular to specified features, ensuring correct part assembly and alignment. 

Profile of a Surface
±0.002 in (0.051 mm)

Tolerance that controls the overall form of a surface, crucial for components with complex shapes that must fit seamlessly together. 

Radii and Fillet Sizes
±0.002 in (0.051 mm)

Ensures accurate radii and fillets for stress distribution and part durability, especially for high-stress components in bridge molds. 

Shrinkage Factor
±0.002 in/in (±0.051 mm/mm)

Accounts for material shrinkage during cooling, ensuring final dimensions stay within tolerance and function as designed. 

Surface Roughness (Ra)
10 µin (0.25 µm)

Control of the surface finish, critical for reducing friction and wear in high-contact areas of the molded components. 

Wall Parallelism
0.002 in (0.051 mm)

Ensures parallel walls to minimize distortion during molding, preventing defects in tight tolerance applications. 

Quality Testing Standards for Bridge Molding Services

Creep Resistance
Creep Test

Measures the deformation of a material under constant stress over time to ensure long-term dimensional stability in high-stress environments. 

Thermal Stability
Thermal Cycling Test

Tests material’s ability to withstand thermal fluctuations without structural damage, ensuring reliable performance in extreme temperature conditions. 

Electromagnetic Compatibility (EMC)
EMC Testing (Conducted and Radiated Emissions)

Ensures that parts do not emit electromagnetic interference or are susceptible to it, critical for electronic and communications systems. 

Thermal Expansion
Coefficient of Thermal Expansion (CTE) Test

Measures how the material expands and contracts with temperature changes, ensuring dimensional stability during temperature fluctuations. 

Moisture Absorption
Moisture Absorption Test

Assesses the absorption of moisture in materials, which can impact the mechanical properties, ensuring performance in humid environments. 

Wear Resistance
Pin-on-Disk Wear Test

Evaluates the wear resistance of materials by simulating real-world frictional wear, ensuring durability in moving components. 

Vibration Resistance
Vibration Testing (Sine Sweep or Random Vibration)

Ensures parts can withstand vibrational stresses without failure, critical for applications in aerospace, automotive, and heavy machinery. 

Corrosion Resistance
Salt Spray Test (ASTM B117)

Exposes materials to salt mist to simulate corrosion over time, ensuring durability in harsh outdoor or marine environments. 

Tensile Modulus
Dynamic Mechanical Analysis (DMA)

Measures the material’s stiffness (modulus) under tensile stress, important for assessing load-bearing capacity under dynamic conditions. 

Formability
Forming Limit Diagram (FLD) Test

Assesses the ability of materials to be molded into complex shapes without failure, critical for intricate designs in bridge molding. 

Stress Relaxation
Stress Relaxation Test

Measures the decrease in stress over time at constant strain, helping to evaluate materials under long-term loading conditions. 

Bond Strength
Adhesion Test

Evaluates the strength of bonds between different materials or coatings, ensuring secure bonding during the molding process. 

Surface Hardness
Microhardness Test (Knoop or Vickers)

Measures the hardness at specific points on small or complex features, critical for assessing wear and durability in intricate molding designs. 

Ductility
Elongation Test

Measures the ability of materials to stretch without breaking, ensuring parts can undergo deformation without failure. 

Acoustic Emission Testing
Acoustic Emission Test

Detects high-frequency sound waves generated by material stress or defects, used for early detection of potential failures in molded parts. 

Accelerating Automotive Innovation

The automotive industry often struggles with high production costs and long lead times. Bridge molding solves these issues by enabling rapid production of prototypes and low-volume parts using temporary tooling, which reduces upfront costs significantly. This process allows for quick design validation and adjustments, ensuring parts meet specifications before mass production. By streamlining the development cycle, bridge molding enhances efficiency and accelerates time-to-market, resulting in high-quality components that meet industry demands. 

Industries We Serve

What You Get

↓ 7-8%

OPS COST

↓ 2-3%

COGM

3X

Aggregation

↑ 25%

Machinery Utilisation

↓ 50%

Expedition

↑ 30%

Frigater Revenue

Mitigating High Initial Tooling Costs in Molding Processes

High initial tooling costs in traditional molding can hinder production commitments and lead to financial risks if designs fail to meet market needs. Frigate offers prototype molding solutions using temporary tooling, allowing for lower-cost initial investments and rapid production of test parts. This approach enables design validation before committing to expensive, permanent molds, reducing financial risk and enhancing efficiency in the development process. 

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What Our Customers Say about Frigate

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Having Doubts? Our FAQ

Check all our Frequently Asked Question

What is the typical lead time for producing parts using bridge molding?

Lead times for bridge molding can range from a few days to several weeks, depending on the complexity of the part and the tooling required. Rapid prototyping techniques help significantly minimize these times. 

How does bridge molding differ from traditional injection molding?

Bridge molding uses temporary tooling to produce parts quickly and cost-effectively, while traditional injection molding relies on permanent molds that require significant upfront investment. This allows for faster design validation in bridge molding. 

What materials are best suited for bridge molding applications?

Suitable materials for bridge molding include thermoplastics like ABS, polypropylene, and nylon. These materials provide the necessary strength and flexibility while being easy to process within temporary molds. 

What design considerations are crucial for parts made with bridge molding?

When designing parts for bridge molding, it's essential to consider wall thickness, draft angles, and tolerances. These factors influence moldability and ensure that parts can be produced accurately and efficiently. 

Can bridge molding accommodate complex geometries?

Yes, bridge molding can handle complex geometries, although certain limitations may apply due to the temporary tooling. Designers should collaborate closely with engineers to ensure intricate features can be effectively produced without compromising quality. 

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LOCATIONS

Global Sales Office

818, Preakness lane, Coppell, Texas, USA – 75019

Registered Office

23, 6th West Street, Balaji Nagar, Kattur,  Pappakuruchi, Tiruchirappalli-620019, Tamil Nadu, India.

Operations Office

9/1, Poonthottam Nagar, Ramanandha Nagar, Saravanampatti, Coimbatore-641035, Tamil Nadu, India. ã…¤

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