sieving powders | Russell Finex

The industrial world of powder sieving

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Today, powder sieving is an essential requirement across all industries, taking place across a number of production lines where it is used on an industrial scale. However, it has since evolved from a handheld tool to full-scale industrial machines, designed for modern production requirements. This innovation in technology has resulted in mechanical machines being used for large-scale production, with features such as vibratory motors to automate and optimize the process.

Industrial sieving is a versatile process as it can be implemented into different stages of powder production. For example, check screening can be used at the beginning or end of production to remove lumps and contaminants from powders, such as food products or additives, to improve their quality, while grading can be used to sort powders into different particle sizes.

Many global companies implement powder sieving into their production lines, including major companies like Heinz, Nestle, Pfizer, Merck, and Du Pont, each with their own powder products and production requirements. With sieving being a crucial process within numerous sectors, vibratory sieves are typically used in in the production of nearly every manufactured product in use today.

As well as sieving common powders like flour on a larger scale, industrial sieving has evolved over time to process a wide range of powders across several sectors; each with their own processing requirements. The metallurgical industry on its own has several different powders including solder powder, shotblast media and many more. Certain industries also have their own unique standards and requirements, such as the food and pharmaceutical industry, which must abide by specific hygiene standards to ensure the quality of their products.

Powder sieving remains prevalent in the global supply chain and continues to evolve thanks to modern innovation. Most recently, it has been used in additive manufacturing to protect the consistency and quality of AM powders used in 3D printing. Much like its common use in flour sifting, it is crucial to eliminate lumps and inconsistencies to ensure the quality of the final printed product.

Challenges of powder sieving today

Naturally, with a wide range of industries comes a range of powders, each with different properties in terms of size or coarseness and dryness. As such, companies need to select the appropriate mesh size depending on their sieving requirements. Historically, mesh sizes were measured by the number of holes contained per inch of a screen which is still the case to this day, now being measured in microns (μm). Powders can take the form of coatings, chocolate, pharmaceutical products, metal powders amongst many others, posing different challenges for different producers.

When sieving difficult powders, commonly present in pharmaceuticals and the metallurgical industry, powders can also block the sieve mesh, also known as mesh blinding. This is when the openings in a sieve mesh become clogged by screened material, causing trapped particles to build up and preventing further material from passing through. Not only does this affect production rates, but also risks damaging the mesh in the long run. To resolve this issue, a mesh needs to be vibrated to clear the blockage. Fortunately, there are now automated deblinding systems that employ the use of ultrasonic frequencies to accomplish this.

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Production lines must also be aware of safety concerns including dust and even explosive hazards. For this reason, there are safety standards such as ATEX which aims to promote safety protocols that minimize explosion risks in a hazardous environment. Dust can also pose respiratory risks to operators within production lines which is why powder sieves can also be fully contained or pneumatically conveyed to avoid operator exposure altogether.

In the modern industrial age of sieving, its heritage is now successfully carried by companies like Russell Finex, one of the top sieving equipment manufacturers in the world. Staying true to its roots, sieving still fulfils the same basic function today, maintaining consistent particle sizes in powders, while eliminating any unwanted materials. From its humble beginnings processing grains and flour, powder sieving is now more important than ever for industries across the globe.

Dry Powder Sieving & Toll Sifting

What is sieving or sifting? Toll sieving also referred to as dry powder sifting or a dry powder screening service (particle processing), is essentially a turn-key solution which a powder manufacturer or powder material importer will dropship all of their raw feed materials (raw powder) to us for processing. Elcan (the toll processing company) takes the powdered material and classifies it through our high performance powder sieving machines to deliver our clients their desired particle size specifications.

Toll sieving or classifying powders is essentially the process in which companies have any particular powder and they need the powder sized or &#;classified&#; into a particular size specification. Generally speaking, companies buy raw powder from a powder supplier or manufacturer and then have it shipped to a toll processor like Elcan and have them screen the powder into multiple size ranges so that they can create different products and end use applications for their clients. Other times, companies have good powder and just need to screen out some contamination that got inside their powder during the manufacturing process so instead of scraping the material or shipping it back to the manufacturer, companies send it to a toller and have them screen out the contaminated particles and return the powder to a pure and usable state.

Tolling Benefits

The benefits of having Elcan as a tolling partner is that Elcan is the only company in the world with the capabilities of screening powders down to very fine sizes such as 10um and 1um respectively, on an industrial scale utilizing its proprietary screening technology the Hi-Sifter. Elcan Industries has a very distinct advantage over companies that strictly sell equipment because we actually run the very same equipment we sell. Furthermore, Elcan manufactures and customizes the sieving equipment to offer catered processing solutions for clients depending on their objectives, powder material type, density and other important criteria. Our sieving equipment gives Elcan and its customers the ability to process powdered materials at virtually any particle size range they require down to as fine as 10um on a large commercial scale. Companies that utilize our contract sieving services experience high throughput rates, yields and over 95% efficiencies all without having to run multiple passes on material.

In it&#;s contract manufacturing facility, Elcan offers particle separation services for companies that are struggling with particle contamination issues, screen mesh blinding, low feed rates, low yields and other issues associated with mediocre screening equipment / services. Elcan&#;s particle processing capabilities are often paired with our contract packaging services, blending, particle size analysis and magnetic separation to provide full manufacturing capacity to our customers.

We work with small volumes to multiple truckload quantities. Give us a call to discuss your next project with us &#; 914-381-

Contact us to discuss your requirements of powder sieving machine price(bn,pt,ja). Our experienced sales team can help you identify the options that best suit your needs.