VINACNC: Expert in Custom Micro Machining & POM Ejector Pins

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VINACNC - Expert in Micro Machining and Precision POM Ejector Pins

In the mold and component manufacturing industries, where high precision is paramount, small parts play a crucial role. VINACNC is proud to offer a comprehensive service that combines high precision custom micro machining with the production of ejector pins from advanced materials like POM. We are committed to delivering high-quality, absolutely precise components that meet the most stringent technical requirements.

Technical Specifications, Materials, and Applications

Material: We specialize in machining parts from POM (Polyoxymethylene), also known as Acetal. POM is an engineering plastic with superior mechanical properties, high hardness and strength, a low coefficient of friction, and excellent wear resistance. This makes it ideal for moving and load-bearing parts. We also machine other materials as per request.
Technical Properties:
- Micro Machining: Using advanced CNC machinery and micro-cutting tools, we can machine parts with extremely small dimensions and tight tolerances.
- High Precision: The products are machined with extremely tight diameter tolerances, ensuring a perfect fit with the mold, preventing plastic leakage, and guaranteeing the accuracy of the final product.
- Wear Resistance: POM's low coefficient of friction and high wear resistance allow ejector pins to operate smoothly for extended periods without jamming or damage.
Applications: POM ejector pins are used in plastic injection molds for gentle part ejection, making them especially suitable for thin, easily deformed plastic parts. Our CNC micro machining services are also applied to produce components for medical, electronic, and other precision machinery.

Service Advantages

Precision and Perfect Assembly: Products are precision machined using CNC technology, ensuring accurate dimensions that lead to a smooth and gap-free assembly process.
Optimized Performance: POM ejector pins with their low friction coefficient minimize friction during ejection, thus shortening the molding cycle time and enhancing overall production efficiency.
Superior Durability: The high strength and wear resistance of POM allow the components to withstand repetitive pressure and friction during production.
Custom OEM Service: We provide a custom manufacturing service from design and mold development to mass production, ensuring the product perfectly matches the client's blueprints and intended use.

Post-Machining Product Inspection Process

Dimensional and Tolerance Check: We use a Coordinate Measuring Machine (CMM) or other high-precision measuring instruments to check the diameter, length, and other parameters against the technical drawings.
Surface Inspection: We use a surface roughness tester and visual inspection to ensure there are no cracks, scratches, or other defects.
Functionality Test: The ejector pins are test-fitted with related components to ensure a perfect fit and smooth operation.

Packaging and Storage Process

Cleaning: Products are cleaned of oil and dirt before packaging.
Secure Packaging: Products are carefully packed in a rigid plastic box or a cardboard crate with foam to prevent damage during transport.
Information Labeling: The packaging is clearly labeled with the product code, weight, dimensions, and handling instructions.
Storage Instructions: We recommend storing the products in a dry, cool environment to prevent damage.