Advantages of plastic injection molding for medical supplies
Cost-effective
Molding tools and molds require a higher upfront cost compared to other manufacturing processes, but molds only need to be created once. After hundreds of thousands of runs, it may need to be replaced, but it will be easier and less expensive to remake.
Injection molding is efficient and fast. The more parts produced, the lower the cost. If you’re manufacturing components or equipment in bulk, plastic injection molding is almost always the most cost-effective option.
Accuracy
The tolerances for medical device molding are tight. As technology continues to advance, these tolerances become tighter.
The more complex the part, the tighter the tolerances should be to ensure uniform performance at scale, making plastic injection molding an ideal manufacturing process for critical parts.
Design flexibility
Plastic injection molding does have some limitations, such as the need to avoid sharp corners, which can increase stress concentrations. In addition, the wall thickness should be uniform to prevent inconsistencies during the cooling process, which can lead to defects.
Still, you have a lot of wiggle room when it comes to design. For example, medical plastic molding allows for complex geometries and complex designs.
Medical plastic parts are molded in the mold cavity, so different functions can be achieved with just one injection. Designing different functions with another process would require costly multiple components.
Reduce the weight of your equipment
Plastics in the medical field have unique mechanical properties that are designed to improve the performance of medical devices while reducing their weight.
Lightweight medical injection components can enable patients who rely on wearable medical devices for continuous monitoring to live their daily lives.
Durability
Resins are used in injection molding because they also have another quality: durability. Plastic injection molded medical parts are very strong and can withstand the high temperatures in autoclaves. These materials are also resistant to shock and vibration, making them versatile in medical applications.
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