In the medical industry, where precision, surface quality and biocompatibility of parts are of paramount importance,Vacuum Casting Rubber for Medical Products is an ideal manufacturing process that balances quality and cost.Vacuum Casting is a rapid prototyping technology that is particularly suited to the production of low-volume, complex, rapid prototyping medical device parts. In this article, we will introduce the product characteristics, manufacturing process, advantages and features, application scenarios, customised services, quality control and FAQs of rubber vacuum casting for medical products.
Vacuum Casting Rubber for medical products is a rapid manufacturing method that uses silicone moulds to invert liquid rubber materials in a vacuum environment.The process is mainly used to replicate the fine structure and surface texture of the initial model, and is commonly used in the manufacture of small and medium-sized rubber parts such as sealing gaskets, soft housings, button covers, flexible catheter components, etc. in medical devices.
Compared with traditional injection and compression moulding processes, vacuum casting does not require metal moulds, has low pre-development costs and short lead times, and is suitable for prototyping or small batch validation production in the development phase of new medical devices.
Production Process
Vacuum Casting Rubber Parts consists of the following production steps:
3D modelling and printing of the original model
After the customer provides a 3D drawing, we use a high precision 3D printer to create the original model (usually ABS, SLA or other rigid plastics).
Making silicone moulds
The original model is encapsulated in liquid silicone and cured to form a silicone mould with negatively shaped cavities, retaining all structural details.
Material proportioning and vacuuming
Mix the polyurethane rubber material in proportion and inject it into the mould cavity under vacuum to remove air bubbles.
Heating and curing
Put the mold into the constant temperature box (usually 50℃-80℃) and heat to cure for several hours, so that the material is completely set.
Demolding and post-processing
Remove the silicone mold, take out the product, and carry out deburring, surface spraying, disinfection treatment and other processes if necessary.
Quality Inspection and Packaging
The finished products are subjected to size inspection, appearance inspection and material performance test to ensure that they meet the standards for medical parts.
Application Scenarios
TPU molding has a wide range of applications in many fields, especially in the functionality and comfort requirements of higher products with obvious advantages:
1.Medical equipment shell
monitor, infusion pump shell
2.Medical consumable parts
soft catheters, button caps, fixed pads
3.Laboratory testing equipment parts
sealing plugs, shields
4.Flexible interface parts for medical robots or wearable devices
5.Medical product display models and functional verification samples
Customized Service
We provide one-stop customized service of rubber vacuum molding for medical products to meet customers' diversified needs from prototype to small-lot production:
1.Support a variety of rubber materials
transparent/black/soft/high strength
2.Color customization
customize material color according to Pantone color code, support transparent or mixed color effect.
3.Adjustable hardness (Shore A 30-90)
4.Support laser engraving, Logo printing, special texture customization
5.Sample in 5 days at the earliest, flexible delivery time
Quality Control System
In order to ensure the stringent quality requirements of the medical industry, we implement full-process quality control during the production process:
1.The materials used comply with RoHS, REACH, FDA and other international standards.
2.100% inspection before mold re-molding to ensure the consistency of size and appearance.
3.Finished products are inspected piece by piece to ensure that the rate of bubbles, cracks and defects is within 1%.
4.We can provide size inspection report and material inspection report according to customers' requirements.
5.Sealed packaging of the factory products to ensure that there is no risk of contamination during transportation.
FAQ
In the medical industry, the speed of product development and validation efficiency directly affects the market rhythm, and Vacuum Casting Rubber for Medical Products with its high efficiency, high reduction and low cost advantages, has become the ideal choice for medical device manufacturing and rapid trial production stage. We are committed to providing professional and reliable vacuum remolding solutions to help customers shorten product development cycles and reduce mold costs.
If you are looking for a reliable partner for medical rubber parts manufacturing, please feel free to contact us and we will customize the most suitable solution for you.
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