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Rubber Machining Services

  • Polyvalence des matériaux – Expert machining of soft EPDM to hard nitrile and silicone (30–90 Shore A).

  • Tolérances strictes – Achieve ±0.1 mm accuracy even on low-durometer, Matériaux délicats.

  • Scalable Production – Efficient from single prototypes to 10,000+ parts with consistent quality.

  • Full Post-Processing – In-house bonding, nettoyage, inspection, and packaging for turnkey delivery.

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    Précision HAUTS specializes in the development of high-accuracy rubber components through advanced CNC machining and custom tooling. Our facility is equipped to handle both flexible compounds and rigid elastomers for low-volume prototyping and high-volume production. With years of hands-on experience, we deliver precision-machined O-rings, scellés, joints, pare-chocs, and vibration isolators—maintaining ±0.05 mm tolerances and consistent quality, even on intricate geometries and multi-material parts.

    What Is Rubber CNC Machining?

    Rubber CNC machining at Précision HAUTS involves high-accuracy material removal from vulcanized or thermoplastic rubber using specialized CNC lathes and mills optimized for elastic materials. Unlike molding or extrusion, our process starts with solid rubber billets and achieves superior dimensional control. We utilize custom fixturing and high-speed tooling to prevent distortion or tearing of flexible substrates. This enables us to consistently deliver parts with tight tolerances, repeatable performance, and complex geometries—ideal for critical seals, dampers, and high-performance rubber components.

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      What is the Process of CNC Machining Rubber?

      We provide rubber machining services that are fast, précis, and highly adaptable—covering all major elastomers, from EPDM to silicone and nitrile. À Précision HAUTS, every stage of the process is engineered for quality and repeatability:

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        What is the Process of CNC Machining Rubber?

        1. Materielle préparation

        We select premium rubber materials—sheets, tiges, or blocks—based on hardness and application. Consistent quality ensures excellent dimensional stability and performance.

        2. CNC Setup

        Our machines use soft jaws, custom tooling, and vibration-dampening mounts to hold flexible rubber securely and prevent distortion during machining.

        3. Cutting Execution

        With sharp HSS and carbide tools, we mill, tourner, and groove rubber parts like O-rings and gaskets. Optimized feeds ensure clean cuts without tearing or deformation.

        4. Élimination des copeaux / Refroidissement

        Rubber chips are evacuated using vacuum and air—no liquid coolants—preserving elasticity and material purity.

        5. Inspection and Finish

        All parts are inspected for tight tolerances. Post-processing includes deburring and thermal conditioning to restore strength and flexibility.

        Different Properties of Rubber

        Donc, the following are the different properties of Rubber:

        Different Properties of Rubber

        1. Élasticité

        Ideal for seals and dampers, our rubber parts maintain flexibility with high dimensional accuracy.

        2. Résistance à la traction

        We machine strong rubbers like NBR to handle dynamic loads without tearing.

        3. Tear Resistance

        Our components resist ripping and flex fatigue, ensuring longer service life.

        4. Abrasion Resistance

        We produce wear-resistant rollers and pads using tough compounds like neoprene and PU.

        5. Résistance chimique

        EPDM, VITON, and other rubbers are precisely machined for harsh chemical environments.

        6. Stabilité thermique

        Silicone and FKM parts withstand up to 250°C, perfect for high-heat applications.

        7. Isolation électrique

        We machine dielectric rubbers for safe, accurate parts in electronic and moisture-prone systems.

        8. Weather & Ozone Resistance

        EPDM parts are UV-, ozone-, and moisture-resistant—ideal for outdoor and HVAC use.

        9. Compression Set Resistance

        Our seals retain shape and function under long-term pressure and heat.

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          Rubber and Polyurethane Grades

          Let's discuss the different grades of TOPS Precision works with a range of elastomeric grades and durometers. Donc, you can meet performance specifications:

          Rubber and Polyurethane Grades

          Matériel

          Durometer Range (Shore)

          Propriétés clés

          Natural Rubber

          40–70 A

          Excellent tear strength and dynamic performance

          Nitrile (NBR)

          50–90 A

          Outstanding oil and fuel resistance

          EPDM

          45–75 A

          Weatherproof, non-conductive, suitable for outdoor applications

          Silicone

          20–70 A

          High temperature resistance; FDA grade available

          Viton (FKM)

          60–80 A

          Superb chemical, fuel, et résistance thermique

          Polyuréthane

          65–90 A (Shore A), up to D80

          Abrasion-resistant; bridges elastomer/thermoplastic properties

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            Different Types of Machinable Rubber

            The following are the different types of machineable rubber:

            1. Natural Rubber (NR)

            Natural rubber offers excellent elasticity and tensile strength, making it ideal for components subject to dynamic stress, vibration, or repetitive flexing. À Précision HAUTS, we machine NR into durable shock-absorbing parts like bushings, isolators, and industrial dampers, ensuring consistent performance in high-movement applications.

            2. Nitrile (NBR)

            NBR stands out for its superior resistance to oils, carburants, and greases—perfect for automotive and industrial gaskets, scellés, and hoses. Our CNC machining process ensures that NBR components from HAUTS maintain structural integrity and mechanical performance in harsh chemical environments.

            Different Types of Machinable Rubber

            3. EPDM

            EPDM excels in resisting weather, UV, ozone, et la chaleur, making it the top choice for outdoor sealing applications. We machine EPDM into automotive weather strips, roof membranes, and water system parts, delivering long-lasting, weatherproof performance for demanding environmental conditions.

            4. Silicone

            Silicone offers exceptional flexibility and resistance to heat and solvents. À HAUTS, we specialize in machining medical-grade and food-grade silicone components that meet strict biocompatibility and hygiene requirements, ideal for aerospace, soins de santé, and food processing industries.

            5. Viton (FKM)

            Viton is engineered for extreme environments, with outstanding chemical resistance and temperature stability up to 250°C. We machine Viton parts for aerospace, traitement chimique, et de l'huile & gas sectors—applications where heat, pression, and corrosive fluids demand flawless sealing performance.

            6. Néoprène (CR)

            Neoprene balances oil resistance, mechanical durability, and weather resilience, making it a versatile material. Précision HAUTS machines neoprene into gaskets, protective covers, and HVAC components that deliver reliable performance indoors and out, even under challenging industrial conditions.

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              Types of Finishing Options

              In TOPS Precision accommodation, the post machining process also has custom finishes, to make the parts functionally sound, faire le ménage & durable:

              Types of Finishing Options

              • Microbillage / Grenaillage
                We use precision bead or shot blasting to create consistent surface finishes, remove machining burrs, and enhance surface uniformity—ideal for improving sealing surfaces and appearance on rubber and composite parts.

              • Vapor Degreasing & Solvent Cleaning
                TOPS employs industrial-grade vapor degreasing and solvent cleaning systems to remove oils, residues, and fine rubber particles, ensuring parts are clean and contaminant-free for critical assemblies or bonding.

              • Autoclave / Thermal Conditioning
                We offer autoclave and post-machining thermal treatment to relieve internal stresses, restore elasticity, and improve the dimensional stability of vulcanized rubber components—ensuring long-term performance.

              • Adhesive Bonding
                For hybrid parts, we provide high-strength adhesive bonding between rubber and metals or plastics, delivering seamless integration and long-term adhesion, particularly in vibration and sealing applications.

              • Gravure Laser & PET Marking
                Our laser marking systems provide permanent part identification, serial numbers, or logos on rubber and PET substrates without surface damage—ideal for traceability in high-spec industries like medical and aerospace.

              Applications of Rubber Machining

              Rubber components play a critical role in sealing, vibration damping, isolation, and environmental resistance. À Précision HAUTS, we specialize in delivering tight-tolerance elastomer components for demanding sectors such as automotive, aérospatial, médical, and industrial systems.

              • Huile & Gas: Precision-machined seals, Joints joints, valve seats, and gland packings engineered for high-pressure and chemically aggressive environments.

              • Automobile: Custom bushings, vibration isolators, door gaskets, and sensor mounts built to withstand thermal cycling and mechanical stress.

              • Médical: Biocompatible silicone diaphragms, tubing interfaces, and precision gaskets for diagnostic and fluid management systems.

              • Aérospatial: High-performance O-rings, thermal gaskets, and vibration mounts that endure extreme temperatures and altitude variations.

              • Appareils & HVAC: Durable seals, grommets, and vibration dampers for noise reduction and leak protection.

              • Électronique: Shielding gaskets, port seals, tactile keypad buttons, and conformal elastomer protectors that meet EMI and IP-rated standards.

              Advantages of Rubber Machining

              Rubber machining offers a cost-effective and precise alternative to molding—especially for custom, low- à la production à mi-volume. À HAUTS, our process advantages include:

              • Tolérances strictes: Achieving ±0.10 mm on critical sealing surfaces and functional features.

              • Flexibilité de conception: Ability to machine both thermoset and thermoplastic rubbers, including grades that are not moldable.

              • Prototypage rapide: No tooling required—ideal for fast turnaround and design iterations.

              • Géométries complexes: Machining allows for intricate details such as lips, sous-dépouille, rainures, and flanges with high repeatability.

              • Enhanced Quality Control: Each production batch undergoes full dimensional inspection with traceability to ensure consistency and compliance.

              Challenges of Rubber Machining

              While rubber machining presents unique challenges, TOPS Precision’s specialized tooling and fixturing help mitigate them effectively:

              • Material Deformation: Low-durometer rubbers are secured using vibration-damping, soft-jaw fixtures to prevent tearing or distortion.

              • Chip and Residue Control: Our vacuum-assisted chip removal systems eliminate elastic flakes and stringy residue, ensuring surface cleanliness.

              • Usure des outils & Edge Chatter: We use optimized geometries and wear-resistant tooling to maintain edge quality during extended production runs.

              • Tolerance Stability: Real-time toolpath compensation and thermal offset management reduce dimensional drift, even with elastic deflection.

              • Dust Management: Cleanroom-compatible vacuum systems maintain a debris-free and safe working environment.

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                5 Cost-Saving Rubber Machining Services

                The key to controlling the cost of rubber machining begins with the good selection and design of materials. The following is some practical advice for reducing costs without compromising quality.

                5 Cost-Saving Rubber Machining Services

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                  1. Optimal Durometer – Ideally one which is as soft as possible and provides the necessary sealing.
                  2. Batch Production – Group similar compounds and shapes so that the tooling and the cycle will be optimized.
                  3. Machinable Design – Use features such as tabs that hold them and do not undercut soft rubbers.
                  4. Design soft fixtures – Low-force soft design is ideally suited to the design of clamps and guides that reduce deformation.
                  5. Collaborate on the Interface – Early DFM collaborations cut the revision numbers and scrap-outs.

                  Customize Rubber Machined Parts with TOPS

                  Our experts assist at all phases of your rubber part design, especially in custom elastomers selection, and in reverse engineering. We offer:

                  • Rubber sourcing (FDA, NSF, MIL-SPEC)
                  • DFM: For instructions to reduce the risk of deformation
                  • CNC precision routing, fraisage, and lathe operations
                  • Quality control and dimensional, as well as durometer checks
                  • Short lead times, prototype-to-production scalability

                  Upload your CAD files now to receive a fast quote, material suggestion, and project plan.

                  Our Rubber Machining is Guaranteed

                  Each order is supported by TOPS Precision's background of controlling an ISO 9001-approved quality system. You’ll receive:

                  • Compound full-dimensional reports and certifications
                  • Traceability of material test records on the batches
                  • Assured Compliance with tolerances and material specifications.
                  • Delivery and customer support to lifecycle reliability

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                    FAQs About Rubber CNC Machining

                    UN: usually 10-1mm, but we find that we can very often attain 0.5mm with more rigid compounds.

                    UN: Silicone is more thermally stable to ~200 oC; Viton is a more powerful compound towards chemicals and temperatures.

                    UN: Oui, we can provide rubber vulcanization bond and metal-in filled solutions.

                    UN: CAM programming is supported in STEP, IGES, STL, DXF, Dwg, and native formats.

                    UN: Those are prototypes shipped in 5-7 business days; the time required to go with production of the item varies with volume and material particulars.

                    UN: Oui, up to 300 mm diameter and cross sections of 1-10mm are regularly delivered.

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