DALI loudspeaker shortens production time with a vacuum press
1.5 weeks instead of 6 weeks production time
Curved fronts on DALI speakers made in a vacuum press
DALI speakers are known throughout the world for their sound and high quality. The company has gained global recognition for their high-end speakers and is today sold in more than 70 countries. A strategic decision that DALI will to a greater extent be "MADE IN DENMARK", has led the company to strengthen its home production at its headquarters in Nørager. This has, among other things, led to the purchase of a large vacuum press.

The diaphragm press is of the Columbus Pioneer type and is one of the largest vacuum presses on the market. The diaphragm press is recognized for its simple and functional design with vertical opening and closing function that makes the machine easy to use. At DALI, the curved speaker fronts are placed in the press. The items are covered with glue and 4 mm thick veneer sheets. When the press is full, the operator closes the press mechanically. The strong silicone membrane of natural rubber closes tightly around the workpieces and through vacuum suction the veneer is pressed onto the workpieces. The press presses up to 900 mbar and after an hour in the press, the items are finished.

An impressive surface finish


Thomas Martin Holm, COO at DALI states that surface finish and design are crucial for these high-end speakers. In the choice of machine, he emphasized that the membrane press avoids joints and point pressures. The veneer is delivered primed and with a saturated surface. After the speaker cabinets have been assembled, meticulously inspected, and refined by hand, they can therefore be sent directly for painting. One round in the painting plant, and the cabinets are ready to be shipped on for assembly. Fast and efficient.

Production time significantly reduced


The large vacuum press is part of a major production reorganization and in collaboration with the company's new, large UV painting plant, a noticeable change has been undergone. The drying time is completely avoided due to the UV system, and it only takes 1-2 hours depending on the size of the cabinet, from the time it is put on the conveyor until it comes out again freshly painted and dry. Through these changes, the production time for speakers with a curved edge has been reduced from 6 weeks to 1½ to 2 weeks. A reduction which means that you are fully competitive with foreign producers and can advantageously bring production home to the country. Production optimization is one of the cornerstones of DALI´'s strategy for "MADE IN DENMARK".

The vacuum press was purchased from Junget A/S (www.junget.com), who sells the Columbus brand in Denmark. Ulrik Søe Simonsen, KAM from Junget is seen here to the left in the picture together with Thomas Martin Holm, COO at DALI.

More information about DALI: www.dali-speakers.com
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