VV Rubber Mount (Double Female Thread) – High-Precision Internal Fastening & Dampening
The VV Rubber Mount (also known as Type C) represents the pinnacle of compact technical vibration control. Designed for high-end laboratory enclosures, medical equipment, and precision industrial electronics, the VV series utilizes dual internal (female) threads to provide a symmetric mounting interface without the protruding hardware of male-stud variants. This low-profile configuration allows engineers to create sleek, high-strength assemblies where aesthetics and space optimization are as critical as the damping performance itself.
At Xiamen Best Seal, we manufacture the VV Rubber Mount series with a relentless focus on internal thread concentricity and blind-hole integrity. Using premium Natural Rubber (Shore 55A), our production protocols are Aligned with IATF 16949 Standards to ensure that every M4 to M16 thread is perfectly perpendicular to the rubber axis. In a dual-female mount, even minor thread tilt can cause hardware jamming during assembly. Our UL Certified Facility utilizes precision jigging to guarantee 100% assembly compatibility, shielding your production line from costly rework and component failure.
✵ ˚ : · ✬ The 'VV' Precision Advantage ✬ · : ˚ ✶
Why the VV series is specified for high-end technical and clean-room equipment:
🏗️ Low-Profile Aesthetic Integration
The VV Rubber Mount eliminates protruding studs, creating a cleaner exterior finish for your equipment. This is essential for clean-room environments where hardware protrusions can harbor dust or snag garments, and for medical enclosures that require a hygienic, easy-to-wipe surface.
🛡️ Dual Integrity Blind-Hole Design
Our VV mounts feature molded-in blind-hole inserts on both ends. This architecture ensures that moisture and corrosive industrial fluids cannot traverse through the mount. This "double-seal" effect protects both the mounting studs and the internal machine threads from electrochemical corrosion.
🔉 Predictable Harmonic Damping
Symmetric double female thread rubber mounts provide absolute uniformity in energy dissipation. This predictability allows mechanical engineers to precisely calculate the resonant frequency of a multi-mount system, ensuring effective isolation across a wide operating RPM range.
VV Type (Double Female) Standard Sizing Matrix
We maintain the industry's most comprehensive catalog of VV type tooling. All listed configurations are available with zero tooling fees and support rapid OEM verification.
| Specifications | D (mm) | H (mm) | MxL (mm) |
|---|---|---|---|
| W8x8 | 8 | 8 | M3x6 |
| W10x10 | 10 | 10 | M4X10 |
| W10x15 | 10 | 15 | M4X10 |
| W15x15 | 15 | 15 | M5X14 |
| W20x15 | 20 | 15 | M6X18 |
| W20x20 | 20 | 20 | M6X18 |
| W20x30 | 20 | 30 | M6X18 |
| W25x20 | 25 | 20 | M6X18 |
| W25x25 | 25 | 25 | M6X18 |
| W25x30 | 25 | 30 | M6X18 |
| W30x16 | 30 | 16 | M8X14 |
| W30x20 | 30 | 20 | M8X23 |
| W30x25 | 30 | 25 | M8X23 |
| W30x30 | 30 | 30 | M8X23 |
| W40x20 | 40 | 20 | M8X23 / M10x27 |
| W40x30 | 40 | 30 | M8X23 / M10x27 |
| W40x40 | 40 | 40 | M8X23 / M10x27 |
| W50x20 | 50 | 20 | M10x27 |
| W50x30 | 50 | 30 | M10x27 |
| W50x40 | 50 | 40 | M10x27 |
| W50x50 | 50 | 50 | M10x27 |
| W60x40 | 60 | 40 | M12x37 |
| W60x60 | 60 | 60 | M12x37 |
| W75x40 | 75 | 40 | M12x37 |
| Mounting Note: Internal thread depths are optimized for standard machine bolts to prevent elastomer separation. Custom thread depths available upon request. | |||
Strategic Support for Precision OEMs & Distributors
VV mounts often serve in the pharmaceutical, scientific, and aerospace sectors. We secure these high-stakes supply chains through data integrity:
🏛️ Technical Traceability & Risk Shield:
- Sample Kits for Laboratory Validation: We support small test batches to help your R&D team verify the harmonic isolation levels on your prototype enclosures, reducing the risk of costly post-launch design changes.
- Absolute Compliance Transparency: Global medical and laboratory platforms enforce severe chemical regulations. Our VV Rubber Mount series is supplied with traceable certification data guaranteeing they are PFAS-Free, RoHS, and REACH compliant, protecting your brand from sudden listing removals or legal penalties.
Integrated High-Precision Hub Manufacturing
★┊ Consistency Through Precision Jigging
The challenge of the VV Rubber Mount is achieving 100% axial alignment of the internal threads on both ends of the mount. At Xiamen Best Seal, we utilize specialized precision jigging and automated vertical tapping stations. Operating strictly under **Quality Protocols Aligned with IATF 16949 Standards**, we ensure that the threads are not only geometrically centered but also chemically bonded to the rubber core with extreme tenacity. This level of precision prevents hardware cross-threading and ensures that your equipment sits perfectly level every time, regardless of whether you order 1,000 or 100,000 units.
Bulk Packaging & Shipping
Internal thread components require protection from particulate contamination and thread damage. Our packaging keeps your hardware assembly-ready.
| Category | Details |
|---|---|
| Inner Packaging | Bulk PE Poly Bags (Sealed to prevent industrial dust from entering internal threads) |
| Outer Packaging | Double-Wall Reinforced Export Cartons built for heavy industrial shipping |
| Batch Security | Palletized and shrink-wrapped for maximum international stability (Sea/Air) |
| Custom Requirements: Specialized barcode labeling, OEM-specific bagging, and rapid air freight available for urgent production spikes. | |
🚚 Global Freight Logistics
| Method | Details |
|---|---|
| Express Sampling | DHL / FedEx / UPS (3–5 business days worldwide) - Overnight sampling available |
| Freight Options | Ocean Sea Freight (LCL or Full Container FCL) | Air Freight support |
| Trade Terms | EXW, FOB, CIF, DDP / DDU (Delivered Duty Paid directly to your facility) |
Compliance & Quality Management
🏆 Quality System Certifications: ISO 9001:2015, UL Certified Facility.
⚙️ Manufacturing Standards: Production Aligned with IATF 16949 Standards, RoHS 2.0, REACH SVHC Compliant.
VV Type (Double Female) FAQ
❓ Is special hardware required for mounting VV buffers?
No, any standard metric machine bolt (M) of the correct diameter will work. However, it is critical to ensure the bolt length does not exceed the internal thread depth (L) to prevent "bottoming out" against the rubber core, which can compromise the damping performance.
❓ Why are VV mounts preferred for medical or clean-room equipment?
The absence of protruding external studs creates a "flush" finish that is easier to clean and sterilize. Furthermore, the internal threads allow the use of stainless steel bolts on the outside, which is a key requirement for many medical devices that must resist harsh sterilizing chemicals.
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