Nordson displays precision dispensing machine for adhesives

Nordson at Indiapack/pacprocess 2017

Suprotik Das, managing director, Nordson India. Photo PSA

The primary business of Nordson Corporation is the precision dispensing of fluids. At Indiapack/pacprocess, the company displayed equipment for the precision dispensing of hot melt adhesives (HMA). These are adhesives that are applied in a molten state. With a backbone of a thermoplastic polymer, the HMA melts at elevated temperatures and turns solid at normal ambient temperatures.

The company has been in the Indian market for around 29 years. As demand for high quality consumer products has surged and as competition has intensified, manufacturers of consumer goods are now required to deliver consistent quality, at a faster rate and at the lowest cost. HMAs do a great job of this, but they do suffer from a few problems.

Nordson’s PROBlue Liberty 7, precision adhesive dispensing machine at Indiapack pacprocess 2017. Photo PSA

One major problems Indian users of HMA have faced has been the blockage of nozzles. “Nozzles get blocked because of contaminants that get lodged in them,” said Suprotik Das, managing director, Nordson India. This could happen due to contaminants external to the equipment, such as dust in the factory environment, or internal contamination, caused by charring of the adhesive. The ‘melt on demand’ technology displayed by Nordson is one means of overcoming charring. The technology significantly reduces the time for which the adhesive sits at high temperature. A traditional tank melter would have a minimum capacity of 4 liters. This could result in the HMA being held at an elevated temperature for several hours, increasing the possibility of charring.

The machine displayed by Nordson has no tank at all. Instead, melting is achieved in a small grid of less than 0.4 liter capacity. Consequently, the adhesive is exposed to high temperatures for a very short period of time, virtually eliminating the possibility of charring.

The machine is also equipped with an automatic fill system and a level sensor in the gird. The latter senses the quantity of molten adhesive in the grid and, when the level falls, it automatically adds material to the grid from a large bin. This minimizes the chances of any external contamination entering the system.

A blocked or partially blocked nozzle always results in defective products and adds significant costs to the manufacturer. The technology demonstrated virtually eliminates this. Modern manufacturing managers are deeply concerned with the reliability of their processes. The second technology displayed by Nordson was an Adhesive Tracking System (ATS) that vastly improves process reliability. The ATS enables a manufacturer to specify the amount of adhesive required per product. It tracks the quantity on each product and sets off an alarm if the customer-set limits are breached.

The impact, resilience, and growth of responsible packaging in a wide region are daily chronicled by Packaging South Asia.

A multi-channel B2B publication and digital platform such as Packaging South Asia is always aware of the prospect of new beginnings and renewal. Its 16-year-old print monthly, based in New Delhi, India has demonstrated its commitment to progress and growth. The Indian and Asian packaging industries have shown resilience in the face of ongoing challenges over the past three years.

As we present our publishing plan for 2023, India’s real GDP growth for the financial year ending 31 March 2023 will reach 6.3%. Packaging industry growth has exceeded GDP growth even when allowing for inflation in the past three years.

The capacity for flexible film manufacturing in India increased by 33% over the past three years. With orders in place, we expect another 33% capacity addition from 2023 to 2025. Capacities in monocartons, corrugation, aseptic liquid packaging, and labels have grown similarly. The numbers are positive for most of the economies in the region – our platform increasingly reaches and influences these.

Even given the disruptions of supply chains, raw material prices, and the challenge of responsible and sustainable packaging, packaging in all its creative forms and purposes has significant headroom to grow in India and Asia. Our context and coverage engulf the entire packaging supply chain – from concept to shelf and further – to waste collection and recycling. We target brand owners, product managers, raw material suppliers, packaging designers and converters, and recyclers.

In an admittedly fragmented and textured terrain, this is the right time to plan your participation and marketing support communication – in our impactful and highly targeted business platform. Tell us what you need. Speak and write to our editorial and advertising teams! For advertisement , for editorial and for subscriptions

– Naresh Khanna

Subscribe Now


Please enter your comment!
Please enter your name here