Custom Rubber Manufacturing Services: Transfer, Compression, and Injection Molding

Lake Erie Rubber has the engineering expertise, elastomer knowledge, and real-world industry experience to become your next ISO-certified partner for custom rubber manufacturing services, including transfer, compression, and injection molding. We take pride in delivering tight-tolerance rubber parts using a variety of high-performance elastomers that perform as expected in challenging applications, from chemically aggressive working environments to high-pressure gaskets and seals pushing the boundaries of aerospace advancement.

Our team understands:

• The strict quality benchmarks outlined in ISO, ASTM, MIL-Spec, and other standards
• Expedited production timelines and emphasis on time-to-market
• Budgetary constraints that make domestic production challenging

We work with our customers to streamline production from initial custom tooling design to meeting critical deadlines. We can help identify the correct elastomer and rubber molding process to achieve the long-term performance characteristics you demand in custom rubber parts.

Our facility is experienced in custom rubber molding and rubber-to-metal bonded parts and routinely manufactures tight-tolerance parts using EPDM, Nitrile (NBR), FKM (Viton®), silicone, natural rubber (NR), SBR, Polychloroprene (Neoprene/CR), and other elastomers required for our work, meeting MIL-spec, ASTM, and other industry-specific performance requirements. Contact us today to discuss our full custom rubber manufacturing services and how we can meet your unique design requirements for rubber parts.

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Rubber Transfer Molding

Transfer molding for rubber parts is reserved for components with complex geometries, overmolded parts, and rubber-to-metal bonding applications that require consistent cavity pressure to deliver optimal results. We recommend rubber transfer molding to customers seeking:

• Bonded rubber-to-metal components
• Precision rubber parts that require controlled material flow
• Any applications where achieving consistent part geometry over large volumes is critical

Our in-house rubber transfer molding capabilities are also suitable for customers specifying tight tolerances or multi-material integration to achieve desired performance characteristics. While more labor-intensive than injection molding, transfer molding is an ideal process for high-volume production runs.

For customers requiring overmolding or rubber bonded to metal substrates, Lake Erie Rubber’s ISO-certified transfer molding services are a reliable solution for producing durable components used in sealing systems, vibration-damping systems, and other complex industrial assemblies.

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Rubber Compression Molding

Compression molding of rubber parts, especially combined with the oversized 350-ton capacity Panstone and McNeil compression presses, is ideal for thicker rubber components like large seals, vibration-dampening pads, bumpers, and legacy or low-volume parts for our customers in the rail, mining, off-highway, and transportation industries.

Compression molding is the best choice for large-format rubber components and parts that demand thick cross sections or for any elastomers that are shear-sensitive or apt to tear during the molding process, like silicone and natural rubber. In our experience, our compression molding services have been used for:

• Prototyping or low-volume production runs of legacy parts
• Expedited turnaround times without sacrificing quality
• Cost-efficient production that combines efficiency and modern performance expectations

We have manufactured FKM (Viton®) gaskets for use in chlorine production systems, where resistance to aggressive chemicals and long-term sealing performance are mandatory. Our heavy-duty compression molding equipment allows us to replicate part design and consistency throughout the production volume and also effectively manage costs and timelines.

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Rubber Injection Molding

Rubber injection molding is the most common production method specified by customers seeking high-volume production runs that include specialized elastomers and demand repeatable, tight-tolerance dimensions. Lake Erie Rubber incorporates Nitrile (NBR), EPDM, Chloroprene (Neoprene), Natural Rubber (NR), SBR, and other elastomers into high-volume rubber injection molding services that optimize costs, turnaround times, and precision.

Premium quality rubber Injection molding services at Lake Erie Rubber are possible through the state-of-the-art DESMA and US Molding equipment, with press forces ranging from 710-ton DESMA 560 presses to the twin 600-ton capacity US Molding presses. This advanced equipment allows Lake Erie Rubber to produce:

• High-volume sealing components
• Precision elastomer parts for diverse OEM assemblies and industrial machinery
• Any components that require consistent dimensional repeatability and consistency

With fast cycle times and reduced associated labor costs, rubber injection molding is a strong balance of cost efficiency and scalable production that meets advanced industry expectations for customers in industrial manufacturing, heavy transportation, and other equipment systems with challenging environmental conditions.

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Rubber Molding Tolerances: A3 Commercial, A2 Precision, & A1 High-Precision

Holding tight tolerances is the benchmark of any great rubber molding company, and Lake Erie Rubber is no exception. Although nearly 98% of all rubber parts fall under the A3 “Commercial” tolerance designation, Lake Erie Rubber is expanding its capabilities to handle the immense precision required to offer A2 and even A1 tolerances on rubber parts. Our facility follows tolerances in line with the Association for Rubber Products Manufacturers (ARPM), which are based on industry standards for various types of manufacturing processes.

A3 Tolerances for Rubber Parts – Commercial

A2 Tolerances for Rubber Parts – Precision

A1 Tolerances for Rubber Parts – High-Precision

Why Partner with Lake Erie Rubber for Custom Rubber Manufacturing Services

Lake Erie Rubber is not an average rubber molding manufacturer that simply takes specifications and delivers parts. Our team goes above and beyond to collaborate and partner with our customers to improve part designs, optimize elastomers for end performance, streamline manufacturing processes, manage costs, and enhance long-term reliability.

From the initial intake process, discussing tooling design and elastomer choices to refining part geometries, Lake Erie Rubber provides a comprehensive start-to-finish solution for any custom rubber manufacturing service. Our in-house transfer, compression, and injection molding services include:

• Engineering support and design for manufacturability guidance
• Material selection optimized for real operating conditions
• Rubber-to-metal bonding for multi-material parts
• Scalable production from prototypes to full-volume production runs

We also continue to expand our capabilities to support larger rubber-molded parts, including increased press tonnage and mold capacity, enabling customers to consolidate suppliers and simplify production.

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