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The build relies on a pair of beefy 3hp motors to drive the screw-based injection system. These are responsible for feeding plastic pellets from a hopper and then melting them and filling the injection reservoir, before then forcing the hot plastic into the mold. Further stepper motors handle clamping the mold and then releasing it and ejecting the finished part. A Raspberry Pi handles the operation of the machine, and is configured with a custom Python program that is capable of proper cycle operation. At its peak, the machine can produce up to 4 parts per minute.

Silicone, a unique chemically inert compound similar to synthetic rubber, offers exceptional mechanical properties and compatibility with biological tissues. With its exceptional flexibility, silicone is the go-to medical-grade plastic polymer for manufacturing a wide range of products and devices, such as catheters, connectors, and tubing.

It’s an impressive piece of industrial-type hardware. If you want to produce a lot of plastic things in your own facility, a machine like this is very much the way to go. It’s not the first machine of its type we’ve seen, either! Video after the break.

Medical injection molding ensures that the produced components meet all necessary regulatory requirements set by the FDA.

Polyetheretherketone (PEEK) is a high-quality thermoplastic known for its exceptional resistance to harsh environments, including radiation, high temperatures, chemicals, and wear and tear conditions. PEEK is perfect for creating medical and surgical implants and offers impeccable dimensional stability, even after being exposed to stress.

I had one of these. It went the way of many of my toys, but I found a replacement on eBay a few years ago. Unfortunately, the molds were warped to the point where they won’t work any more, so I’ll have to make some new molds in order to play with it. The molds were made of what looks like nylon, and the plastic that was injected I think was a blend of polypropylene and paraffin that melts at a pretty low temperature (similar to what is sometimes called “carving wax”), but still, using thermoplastic molds to mold thermoplastics is kind of iffy.

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That’s pretty slick. I’ve been wanting to build one of these for a while now, and it’s good to see such a great DIY concept model.

Injection molding guarantees tight tolerances and dimensional accuracy, which are crucial in the medical field. With injection molding, even the smallest deviations can be avoided, reducing the risk to patients.

Overmolding is an advanced technique that involves molding one or two components over an existing structure, resulting in a strong and durable grip. This two-step process, also known as two-shot molding, may have a longer production cycle, but the benefits are well worth it. With overmolding, manufacturers can create ergonomic handles to improve the comfort of everyday devices, which adds value and functionality to a wide range of items.

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I had an injection molding machine as a kid… a toy of course, but it ticked all the boxes. It was a heated vertical cylinder with a plunger, below that was a slot for a 2-piece plastic mold.The feedstock was a granulated rather waxy material. The procedure was, fill the chamber with measured amount of the granules and put the mold in the slot below. After allowing time for the plastic to melt, you pushed down the plunger to inject it into the mold. It really worked pretty well for a toy. I had molds for tanks and soldiers and construction equipment like bulldozers, and the plastic material in several colors. I wish I could remember what it was called.

I work with injection moulding machines. This is real cute could I have one to put on a keyring or maybe my car’s rear view mirror. :0)

for low temp plastic and for resin 3D printers using high temp resin you can even just skip straight to 3D printing the molds with some kind of basic “standardized” mold frame made from metal.

Yep, that’s it, Kenner Moldmaster. I had a lot of “maker” kind of toys, Mattel Vac-U-Form and other stuff. Guess I was starting early.

Injection molding is not only automated, but it also significantly reduces labor costs. With computer-controlled precision, each part is efficiently produced, resulting in lower costs per unit.

Plastic injection molding involves melting plastic polymers at high temperatures to create sterile and contaminant-free medical equipment. By reshaping the plastics in aluminum or steel molds, manufacturers can produce precise and customized medical devices that meet the highest standards of hygiene.

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The key here is automation (well at least for as much of the process as can be practically done). Sure you could absolutely do everything the motors do manually but I have a feeling the goal for this specific project was automation.

Similar to overmolding, the insert molding technique involves molding a secondary component over an existing part, or the insert. What sets insert molding apart is that it is a single process and can be used with various materials, such as plastics, metals, or alloys.

Good to see, straightforward to fabricated. Along with titanium 3D printed moulds could be a good mix for smart batches. Thanks for posting :-)

Yeah a lowly arduino and small 16×2 lcd could definitely do the same job but I guess those were the parts they had lying around and wanted to use

The really cool part is you can 3D print a pattern, make a plaster copy using a silicone mold and then cast zinc alloy dies after drying the plaster in the oven for 24 hours and achieve surface finish as good as the 3D print. Subject to details such as pulling a vacuum on the plaster to remove bubbles and other details.

Our injection mold manufacturing process is ideal for products and plastic parts that require large-scale production. With scalable injection molding machines, we can easily adjust to meet your needs with consistent, high-quality production every step of the way. Contact us today to learn more about injection molding for medical devices.

The medical injection molding process involves melting medical-grade plastics and molding them into the desired shape of medical devices. This process creates strong, durable equipment with impeccable surface finishes and precise measurements.

Liquid silicone injection molding involves heating silicone to a liquid state and then molding it into various shapes, making it a versatile solution for developing medical products. Silicone, a plastic polymer, is specifically designed to meet the needs of the medical industry. However, it’s important to note that silicone molds may not be as durable as aluminum or steel molds, making this technique more suitable for small quantities and initial prototyping stages.

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I’ve been planning to make something like this. All the motors and other stuff seem unnecessarily complex, when all it needs to do is: 1) Melt the plastic 2) Make good seal with the mold 3) Apply a lot of force (i.e. my weight) over a few seconds.

Polycarbonate (PC) is transparent and has excellent mechanical properties. It’s tough, flexible, and resistant to abrasion, breakage, and temperature. Polycarbonate is also highly compatible with bodily tissues, making it ideal for manufacturing various medical equipment, from clear masks to protective gear and oxygenators.

Polyethylene (PE) is a versatile, durable medical-grade plastic polymer composed of thousands of ethylene polymers, giving it impressive tensile strength and rigidity. PE is also highly compatible with biological tissues and can withstand harsh environmental conditions, including sterilization. Thanks to these properties, PE is widely used in the medical field for manufacturing joint prostheses, connectors, tubing, pharmaceutical containers, and more.

Did you know that injection molding is revolutionizing the medical device industry? This innovative manufacturing process ensures the creation of high-quality, precise, and cost-effective medical devices.

But you can also make your own from drill presses and readily available parts: https://www.youtube.com/watch?v=HoSVPHVESiE

Polypropylene (PP) is a highly effective plastic polymer commonly used in medical injection molding. With its exceptional strength and resistance to cracking, radiation, impact, temperature, wear, and tear, it’s no surprise that it is a top choice in the healthcare industry. From life-saving syringes and connectors to essential knee and hip replacements, PP is the preferred material for producing critical components in healthcare.

Me Like! It’s also been running some hours, guessed from the wear on the timing belt @04:15. Also like the home-built mill in the backgound…

3D printing is all well and good if you want one of something, but if you want lots of plastic parts that are all largely identical, you should consider injection molding. You can pay someone to do this for you, or, in true hacker fashion, you can build an entire injection molding setup in your own garage, as [Action BOX] did.

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I have a PIM shooter Model 150. I bought it used for $500 and I really like it: https://www.techkits.com/products/model-150a/

When it comes to medical products, such as syringes, gloves, and masks, the ability to produce high volumes with consistency is crucial. This is where injection molding excels. With this technique, once the mold is created, thousands of identical parts can be produced without the need for maintenance.

Polystyrene (PS) is a high-quality engineering-grade plastic that’s not as flexible as others, but it has exceptional mechanical properties and is compatible with body tissues. Polystyrene offers excellent dimensional stability, making it ideal for creating critical medical components like petri dishes, culture trays, and diagnostic parts.

With additive manufacturing, medical professionals can now rely on high-quality injection parts that meet the strictest industry standards. Whether it’s intricate surgical tools or complex implantable devices, injection molding for medical devices ensures that every component is flawlessly fabricated for optimal performance. This medical parts manufacturing process is common to develop a wide range of components, devices, and parts, such as:

Are you searching for high-quality, precise mold manufacturing solutions for your medical devices? At Remington Medical, we offer excellent contract manufacturing services that ensure consistent, high-volume production.