Cases & enclosures
Another substance prevalent within a dairy parlour that a sensitive PCB needs protection from, is manure. In an agricultural environment, manure, and particularly fertilisers, contain ammonia, which, combined with moisture, can be corrosive. Fortunately, an advantage of the Spelsberg approach to enclosure construction is its use of polycarbonate thermoplastic, which is immune to corrosion.
At the same time, polycarbonate also ensures high strength, vital in an agricultural environment with close proximity to livestock. Even though polycarbonate is six times lighter than stainless steel, Spelsberg’s enclosures can still achieve up to IK09 impact resistance, a high industrial rating that gives protection against the equivalent of 5 kg dropped from 200 mm.
EASE OF USE
Durability and longevity are key selling points for Davlec’s milking parlour controls, but on occasion, a repair is required. In these instances, even though the enclosures need to uphold high ingress protection, they must also be easy to access. “We typically house the electronics within the lid of the enclosure, as we offer a repair service.
Instrumentation Monthly September 2024
had, supply issues with other manufacturers in the past,” confirms Clarkson.
Therefore, we can swap out the lid in a service exchange and get it back to the farm/distributor quickly to minimise downtime,” explains Steve Clarkson, Davlec. “This is made easy with Spelsberg enclosures, as the lid can be easily removed and sent to us.”
As well as consistency in product quality, and ease of use, reliable supply is also crucial. Davlec requires as many as 1,500 industrial enclosures per year, so stock availability and rapid supply are very important.
RELIABLE SUPPLY “When creating new products, our design engineer tends to choose Spelsberg as we have
The dynamic nature of the market, with a high volume of farms that Davlec’s distributors need to service, also means Spelsberg’s order turnaround, which can be within just five working days, is important. “Our purchasing is very reactive. Due to the nature of the orders we receive, we keep stock of all of our products on the shelf but we often receive ‘out of the blue’ orders for larger quantities,” says Clarkson. “Spelsberg cope very well with that and let us know what they have in stock in the UK, and when we can expect the balance of the order. This helps with production and ensures we are not letting customers down.” As well as marketing the company’s own Davlec-branded products, the electronic control specialist also provides a subcontracting service to several agricultural companies. Davlec also relies on Spelberg for these projects, albeit with a different label. Like the majority of Spelsberg’s customers, this close relationship creates a partnership, rather than a transactional customer-supplier situation. “I have always found Spelsberg excellent to deal with,” Clarkson concludes.
Spelsberg
www.spelsberg.co.uk 35
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