Even though granulation may not have been an essential part in the plastics size reduction process a few years ago, granulation is an opportunity to provide customers with regrind and recycled materials in products. However, selecting the right plastics granulator to fit your needs can be challenging. The wrong granulator can even be risky when used in certain environments or situations.
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Cumberland has been providing plastic recycling industries with granulators and shredders since and we take pride in offering customers durable, reliable products.
The type of granulator that will fit your needs the best will depend on its intended use. Without the proper size granulator and components, plastic that is either too big or too small won't be properly processed, which can result in higher energy use, additional dust and noise, and increased wear on the knife. To ensure that you select a plastic granulator that fits your intended use, the size of the equipment is an important factor. In order to find the right size granulator, consider these things:
Plastic granulators need to be maintained regularly and thoroughly to ensure a high-quality product and to reduce dust in the material as well as in the air at the facility. There are several reasons why granulator maintenance is challenging and may not be completed as often as it should.
Maintenance of the granulators knives is an especially challenging task, but it is also one of the more important tasks. When the knives are worn down or improperly spaced, it can result in excess dust and fines. When the machine does have sharp knives, it can improve energy efficiency and cut the material more effectively, helping to reduce dust, tearing of the material, and noise.
A plastic granulator should feature multiple safety switches, power-assisted tilt-back hoppers, rotor locking devices, and screen cradles and screens that are easy to access and remove. Equipment operators should also have a clear visual path in order to inspect the equipment in cases where the granulator needs to be cleaned in between each processing run.
There are several factors to consider in terms of knife design in a plastic granulator, including the number of knives, how they are arranged, the tip angle, speed, and sharpness. The overall design of the knives can impact the quality of the final granulate and the efficiency of the equipment.
Knives are typically mounted either on a stationary bed or directly on the rotating rotor. How much space is between these sets of knives will depend on the size and type of plastic being processed. For softer, more ductile materials, a smaller space will increase efficiency and produce a cleaner cut.
If you need granulates of the same size, a slower knife speed will increase the production of uniform material, lessen noise, and reduce wear on the knives and cutting chamber. A high-speed rotor increases the risk of the material becoming frayed or simply rolling around in the machine.
The type of rotor in the granulator will depend on what is being processed. There are four main types of rotors used in plastic granulators:
The plastic granulators and shredders from Cumberland are known in the size reduction industry for being rugged and reliable. We offer beside-the-press, central, heavy-duty, and thermoforming plastic granulators to best fit your processing plant's needs. Our granulators are configurable, can process small and high-capacity runs, and can process a wide variety of material. They are also easy to maintain, ensuring they get the care and service they need for a long lifespan. Cumberland also offers plastic granulator refurbishment to help you maximize your return on investment as well as replacement parts and OEM upgrades.
Get in touch with Cumberland for all of your plastic granulator and shredder needs.
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Yes, we'd love for you to come for a visit!
Investing in recycling machinery is expensive so you'll want to make sure the factory you plan to purchase from has strong capabilities. There's no better way then to visit the factory and see first hand.
Take a flight to Shanghai, China to either the Hongqiao (SHA) or Pudong (PVG) airport. Our driver and your corresponding sales team member will be waiting for you at the exit gate to bring your to our factory. It takes approximately 90 minutes to drive to our factory.
If you're already in China, one of the most convenient ways to arrive at our factory is by riding the high speed train to Zhangjiagang City Station. Let us know your schedule so we can arrange for a pick up.
You can check out our offices and meet our sales team. These are the same people that will offer the highest level of customer service and after service to you and your company.
Check out our recycling machinery and washing lines in person. You'll notice that just based on visual inspection, our machinery offers superb workmanship compared to our neighboring factories that offer similar equipment.
See a test run of our washing line. Before shipping out our recycling machinery, we test each piece including complete washing lines within our factory.
Having more than two decades of experience developing recycling machinery, Amstar Machinery has refined our production methods offer only the highest quality machines made from the highest quality parts. We know this is easier said then done, however, a close comparison our our machinery from other manufacturers will show large differences design, material thickness, workmanship, and the use of name brand motors and reducers.
Due to the fierce competition in recycling machinery, many have cut on production costs such as using lower grade steel different than what's written on the contract, cheaper motors & bearings, and all together thinner walls on each piece of machinery they manufacture. It's a shame for buyers that purchase these lower grade equipment as there are many fundamental issues with durability. While these machines work well during initial usage and testing, it's a disaster waiting to happen for those interested in long run operations cost.
As plastic recycling is very demanding on the machinery, high grade parts are a necessity that cannot be overrated. We've had customers that purchased machinery that fell apart just several months into operation. When complaining to the original manufacturer, replacement parts took several months to arrive which was detrimental to the plants entire operation.
At Amstar Machinery, we understand that time is an important aspect for recycling plants. Any downtime can result in thousands of lost dollars. Hence, to save you money in the long-run, we use only the highest grade materials to ensure our machinery keeps running year after year.
We're a honest manufacturer. We never promise more than we can provide. We don't cut corners and try to save on production costs. It's our motto and it's this motto that has made us successful.
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