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Challenge can be made easier with the right equipment

Challenge can be made easier with the right equipment

Articles

The big takeaway from K Show 2019 is the serious discussions on the circular economy. This new business model is focused on finding the best way to reduce production energy/resources, ways to redesign products into reusable resources back either in a similar form, or to develop new uses for them.

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While public opinion seems to suppose this should be easy to accomplish, those who have been trying for years to develop equipment to process new product designs with recycled materials along with a lower carbon footprint, like Wilmington Machinery, know it can be a challenge. But with the right equipment, it can be made easier.

Because Wilmington Machinery has been helping customers use recycled material with our injection and blow-molding equipment for over two decades, it gives our machines and technology know-how a distinct advantage.

When considering production of products with recycled material, it is essential to understand the difference between molding with recycled resins compared to virgin. Most recycled resins present processing difficulties such as contamination, low bulk density flakes, or mixed polymers. It is naturally subject to greater batch variations than virgin material. There are two basic sources for recycled material. The first is from consumer goods recycling (such as milk/laundry bottles), and the other is process scrap (plastics leftover from plastic product manufacturing). Both sources can offer plastics manufacturers with quality material for a variety of products and markets.

Wilmington Machinery’s Lumina Plastic Pallet Systems are designed to operate on 100% recycled or co-mingled resin using either the structural foam or gas assist methods which are preferred to make heavy wall parts such as pallets. By adding nitrogen gas to the melted polymer, the weight of the finished product can be reduced by up to 15% or more. Wilmington machines also have superior mixing and compounding capabilities compared to typical injection molding machines. This is accomplished by using a 30:1 L/D extruder with two mixing stations.

The Lumina Plastic Pallet Systems give plastic pallet producers a “green” option based on sustainable design. The many benefits of this feature include the ability to process recycled material, a reduction of energy required for processing, and a resulting product with a longer life span, plus suitability for post-production reuse and recycling.

Solving recycled packaging challenges may seem overwhelming. To meet diverse and many times conflicting specifications, companies are exploring multi-layer and barrier alternatives. In that regard, working together with material suppliers and machinery manufacturers often leads to the best and fastest solutions.

For instance, Wilmington Machinery has identified numerous multi-layer options to help its customers solve packaging problems such as improving shelf appeal, reducing costs, and creating better barrier protections, including using recycled material in an internal layer.

We are often asked, “Why I should be using Wilmington’s rotary blow molding systems?” Well, the answer is straightforward. Our rotary systems are the simplest technologies to use to provide the means to produce the absolute lowest cost bottle at the highest quality level and the highest volume production.

The simplicity comes from the fact that it’s all mechanical and uses no complex expensive hydraulics. Not only is the rotary blow molder simple, it’s extremely energy efficient and can save you as much as $100,000 per year in electric costs.

Wilmington systems are produced with the finest commercial components and are known for their modular compact design that Wilmington pioneered in 1979 for the first 6-layer (barrier) bottle programs.

All of these savings from Wilmington’s injection and blow molding equipment will contribute to a company’s circulareconomy goals. Product designers, material suppliers and machinery manufacturers now need to be integral in the conversion process for testing, material evaluations and package performance, and to meet the demand for new product development using recycled materials.

Wilmington Machinery was founded to build structural foam injection molding and foam extrusion machinery. We have undertaken considerable development of foamed extrusion blow molded packaging and foamed industrial blow molding, and currently offers both machinery types. Additionally, we have produced custom plastics molding machinery for injection extrusion and thermoforming processes.

From a modern 65,000 square foot facility in Wilmington, North Carolina, the company is well prepared to meet unique customers’ needs for large plastics machinery products for the circular economy. International shipments are commonplace and can be arranged via the nearby deep-water Port of Wilmington.

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