Dyeing, Drying, Finishing

2018-05-17

New technology keeps Vaz da Costa one step ahead

With eight chambers machine and a working width of 3.6 metres, Vaz da Costa’s new Montex stenter is one of the largest in Europe (c) 2018 Monforts
Portugal’s leading commission finisher has recently installed a new Montex stenter – despite some limitations on space for expansion at its Guimeraes plant.

In the commission finishing business, finding the time to make necessary new investments in the latest technology can be difficult. Services can’t just stop and orders be delayed when an old machine needs to be dismantled and a new one installed.

For Vaz da Costa, which was founded in 1960 on the edge of the historic centre of Guimaraes in Northern Portugal, there’s also the question of space. The town centre of Guimaraes has been listed as a UNESCO World Heritage site since 2001, yet its suburbs have expanded significantly in the past half century and now the Vaz da Costa plant is surrounded by residential buildings, making further outward expansion near-to impossible.

Nevertheless, the site is currently dyeing and finishing around 100,000 metres of fabric daily, and has expanded its commissioning services to customers in France, Spain, Belgium and Germany in recent years. These exports now account for around 20% of total commission finishing business. A second business involving the making-up, embroidery and packaging of high-end bed and table linen under the well-known Bovi brand also operates from the site, with a total combined workforce of around 180 people. Around 80% of these products are for export markets. Separate entrance and exit points for the two businesses have recently eased logistics.

Vaz da Costa’s plant is on the outskirts of Guimaraes in Northern Portugal. The town’s centre has been listed as a UNESCO World Heritage site since 2001 (c) 2018 Monforts
Vaz da Costa’s plant is on the outskirts of Guimaraes in Northern Portugal. The town’s centre has been listed as a UNESCO World Heritage site since 2001 (c) 2018 Monforts


Investments

“We are currently in the middle of what is our biggest ever investment programme, although it’s pretty much an ongoing process,” says Amélia Marques, who joined the company, which was founded by her father, fresh from obtaining her economics degree in the late 1970s. This was at a time when the company was struggling, as Portugal adjusted to democracy in the years following its Carnation Revolution of 1974.

“You can imagine, it was not easy for a young woman to be introduced to the management of such a traditional company in Portugal back then, and my father had his own way of doing things, so there was some resistance to my ideas,” she says. Amelia was soon joined by her brother Francisco and her sister Isabel, however, and together the trio have successfully steered Vaz da Costa’s progression ever since. Today, Amelia’s son and daughter are also part of the management team as it moves to third generation family ownership.

The ‘disc-o-clean’ unit on the new stenter carries out the automatic sieving and collection of dust from production (c) 2018 Monforts
The ‘disc-o-clean’ unit on the new stenter carries out the automatic sieving and collection of dust from production (c) 2018 Monforts



Vaz da Costa has recently successfully installed and commissioned a new Monforts Montex stenter, having previously opted for a machine from a rival supplier which proved problematic on its installation in 2012, as well as in subsequent day-to-day operation.

There have been no such problems with the new Monforts eight chamber machine, which has a working width of 3.6 metres and as such is one of the largest in Europe, operating continuously at speeds of above 100 metres a minute. It is equipped with a Mahlo weft straightening unit and a Benninger padder, in addition to a Monforts Ecobooster hear recovery system.

Fine tuning

“There are always many adjustments to be made in fine-tuning such a machine,” says Fernando Araújo, of Maquicontrolo, the Monforts representative for Portugal. “It’s not just like buying a new car. There are so many challenges arising on a day-to-day basis.”

“The automation features on the latest Monforts machine certainly help to eliminate any chance of human error,” adds Amélia Marques, “but there are so many parameters involved. The heating distribution, for example, is always challenging. Maintaining a consistent level can be difficult for so many reasons. It can be a question of the temperature in the plant changing rapidly, or the difference between how the machine has been cleaned from one shift to the next. There are lots of things you can’t see immediately and sometimes you only detect things after a problem has occurred. For this reason I don’t think you’ll ever be able to fully automate a finishing line.”

The company is primarily finishing 100% cotton fabrics in wide widths, in the weight range of 130-200gsm, with very even conditions required for the squeezing.

The latest Monforts Qualitex 800 control system ensures automatic and continuous control of all parameters (c) 2018 Monforts
The latest Monforts Qualitex 800 control system ensures automatic and continuous control of all parameters (c) 2018 Monforts


Quality control

“Because we are in constant production, the emphasis is increasingly on quality control at the laboratory stage and we now have two fully equipped labs, where personnel has increased from a single person to eight people,” says Mrs Marques.

Following the installation of the new Montex stenter, Vaz da Costa is this year planning a further €5 million investment programme which will see a new warehouse building, away from the main site, but closer to the main motorway link. New bleaching and singeing units and a drum dryer are also to be installed and these will be built up at the former warehouse in order to minimise the time required for installation and commissioning.

“We can’t afford to stop production for the usual timescale involved so this will ease the pressure and keep things flowing,” Mrs Marques said. “It’s a question of organising it all when and how we can, and when it will cause the least disruption, but we expect to have it all completed by October or November. We are also currently exploring the potential of digital pigment printing for our bed linen business, and also looking at new embroidery machines and a new calendar. Investment is ongoing, because only the strongest players who keep up with the latest technology survive.”


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