It’s the right ducting that makes the difference



Monthly Maker talks to Nordfab branch manager David Inifer about why installing the right dust collector is important to a manufacturer’s operations – and a recent success story with a roof truss manufacturer.

As the world’s largest manufacturer of clamp-together ducting for dust collection and process ventilation, Nordfab’s presence in the Asia Pacific region has given Australian manufacturers access to locally produced industrial ventilation.

According to Nordfab branch manager David Inifer, there is a big benefit to this.

“A big advantage for customers is that we make our own dust collectors, so there’s a big advantage if something goes wrong because customers can easily get spare parts,” he says.

Peuker and Alexander is a family-owned business that has been supplying the building industry for over 70 years, manufacturing quality roof trusses and wall frames at its sites in Campbellfield and Dandenong. Inifer noted that Nordfab’s past track record in
the manufacturer means it was an easy decision to partner with them for its new facility south of Melbourne.

“When they bought the new factory in Dandenong, it needed a bit of refurbishment,” he said. “They were bringing in new machines and new saws and needed a procurement system to adapt. They contacted us and were so happy with our previous work that they didn’t shop around.”

The MDC12000P is a fully automatic self cleaning dust collector

Nordfab installed an MDC12000P system for the new factory, a decision based on the experience of its staff and industry know-how. Nordfab’s main market is the timber industry, where it has been supplying its ducting worldwide for more than 40 years. For dust collection in woodshops, from one-man shops to large manufacturing plants, Nordfab’s modular and easy-to-assemble or disassemble ducting has become the standard for the woodworking industry.

“In Victoria, at least 80 per cent of our business is associated with cabinet makers and woodworking companies,” he said. “As a result, we have an eye for what works in these environments. I also gained knowledge from those who came before me, but you get so much application knowledge from on-the-job experience.”

The MDC 12,000 P is a fully automatic self cleaning dust collector that uses a pulse of compressed air to automatically clean its multiple filter bags. The dust collector automatically deposits the saw dust waste directly into a 3 m3 waste bin via the Eziduct rotary valve.

The dust collector operates under negative pressure so no dirt or dirty air passes through the units high efficiency 15kW fan. The dust collector is made from robust corrosion resistant galvanized steel sheet and manufactured at Nordfab’s manufacturing facility in Sydney.

“Peuker and Alexander have several pieces of new equipment that they are working on in the new factory,” Inifer said. “I looked at the saw dust to see what kind of product we were getting. I noticed it was fine saw dust, which had the potential to block the extraction filters.”

Because of this observation, Inifer recommended the Melbourne business to use a reverse air pulse dust collector.

“The reverse air pulse has the best properties to get rid of the fine product that can block the filtration,” he added.

A dust collector that is not the right size for the site can contaminate a company’s ducting system, which can have a significant impact on occupational health and safety.

When Nordfab takes on a project, its team conducts a site visit to check the machines on site and the size of each machine’s dust outlet. This ensures the air flow rate required for the machines, which determines the size of the dust collector needed.

“We came to the conclusion that 12,000 cubic meters an hour should be enough for the whole factory,” he said.

The dust collector is connected to the engine using modular ducting. Nordfab’s modular ducting provides the best airflow of any ductwork for extraction systems on the market, according to Inifer.

“The modular bends are up to 300 millimeters in diameter throughout the smooth airflow,” he said. “And it just snaps together which cuts down on installation time and makes it easier for the customer to change or pull ductwork.”

Peuker and Alexander can expect a cleaner factory, but also increased production with newly installed ducting systems, Inifer said.

“I think they are first and foremost cleaner factories,” he said. “Importantly, there will only be one collection point for dust instead of them having to use bags to collect dust from several extraction machines. They now have a central point where a three cubic meter bin in under our extractor collects the material, meaning their operations will not be interrupted as before.”

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