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Technology

Stop & Go Automatic Welding Submarine Cables Produced Without Welding Seams

TJ1511171.jpg THE Machines which Mitsuba works as an agency in Japan, developed a line integration for "Stop & Go Automatic Welding of steel loose tubes" used in submarine cables with arbitrary length (capable of producing up to 250 km without seams) with a large number of fibers. We introduce it here.

Microwave troughs are cost-effective and competitive.

The Ecoline microwave (vulcanization) tank makes Trelleborg a perfect fit for the future.

Klausmafei Extrusion's microwave troughs are cost-effective and competitive.


(Hanover, February 26, 2014) Trelleborg AB, an automobile and construction seal/profile manufacturer located in Trelleborg, Sweden, has ordered two eco-line microwave troughs to KraussMaffei at K-2013 in Dusseldorf. This capital investment aims to significantly reduce the operating costs of vulcanization processes that involve intensive energy input. Both of the microwave troughs were planned to be installed and raised in early May in 2014.

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Improved cost effectiveness and energy savings
Good things take time-this gold remark is especially fit with well-founded investment decisions aimed at significantly improving productivity, cost effectiveness and efficiency. Already convinced of the cutting-edge advantages of the eco-line system at Technology Day at Klausmafei Berstorf in Hanover last summer, Trelleborg did not sign a purchase agreement for two lines until K2013. "Given the exceptional productivity and quality proven by repeated testing, we have decided to introduce this sophisticated solution to improve the productivity of our vulcanization process." Joaquin Hanson, Head of Purchasing, Trelleborg, explains the company's investment decisions.
"The outstanding features of the Ecoline microwave trough are the switch-mode power supply that reduces waste gas loss and optimizes energy consumption," says KlausMafei Berstruff's rubber profile production line, Helmut Ruders, General Manager of the Product Department, explains. Furthermor, "The closed circulation of the air used in the process keeps 90% of the hot air with extremely high energy intensity in the equipment, which maximizes cost savings. In addition, the heat insulation of the process chamber is improved. It's a new feature, "adds Helmut Ruder.

Proven technology with the highest reliability
Each of the four microwave tank modules is equipped with a generator that produces a 6kW magnetron output. The circulation part built into the energy supply side is connected to the energy that is not absorbed by the product.
The service life of the magnetron is improved because it is transferred to the water load. The total installed magnetron output of the tank is 24kW. Microwave generators are located above and below the conveyor belt. The design specifications adopted for the microwave coupling method ensure an extremely homogeneous electric field distribution. Both microwave output and conveyor belt speed can be adjusted continuously. The microwave tank has an effective cross section with a width of 280 mm and a height of 150 mm.
The central control panel makes it extremely easy to select system settings.

And an ingenious process-oriented user interface helps reduce setup time when changing materials.With this new microwave tank, Trelleborg will be more cost-effective and will sharpen its competitive edge. "This eco-line microwave (vulcanization) trough is the ideal solution for our specific requirements. That is, the combination of this highly complete proven technology and technological innovation ensures our future. It's a great investment, "points out Mr. Joaquin Hanson.

Andreas Wesler
Klaus Mafei Belstruf Brand Media Window

On gear pumps for rubbers and extruders equipped with gear pump

hen combined with a feeder extruder, a gear pump for rubbers can achievelow temperature, precision extrusions. Many applications using such combination are highly anticipated as the next generation extruder system.

The "Polymer Digest" magazine carried a special feature on such "gear pump for rubbers and gear pump equipped extruders." The article can be viewed here.