Figure 3: 325 mm (13”) 5-layer Mo-Con die on a conventional blown film line.
Sankt Augustin, Germany—Kuhne Anlagenbau GmbH, a member company of the KUHNE Group, will showcase its latest technology and products including its Mo-Con modular concept blown film die at NPE2018: The Plastics Show—May 7-11, 2018 at the Orange County Convention Center in Orlando.
Kuhne Anlagenbau GmbH engineers and builds all existing types of blown film lines: Triple Bubble® lines for biaxially oriented films, Cool Bubble® water quenched lines for deep draw thermoforming and medical films, and Smart Bubble® conventional air-cooled lines for high barrier films for food packaging and industrial applications.
The Mo-Con is stackable die that is expandable from 5 to 17 layers due to its modular concept. In many ways it is similar to the pancake style stackable dies currently in the market but with important differences outlined below. The Mo-Con die can be used on any type of blown film line: triple bubble, water quenched or conventional air-cooled blown film lines. The highest number of layers produced so far is 13, for a Triple Bubble® line sold to a Western European customer. See Figures 1, 2, 3 & 4 below for a schematic and pictures of the Mo-Con die.
Figure 1: Mo-Con modular concept stackable blown film die showing a module and an 11-layer die.
Figure 2: Polishing the module of a Mo-Con die
The fact that the Mo-Con die is expandable also means that if a customer buys a die with 9 layers, for example, they can later expand it to 11 or more layers. This is the case of a customer in the U.S. that recently installed a 9-layer Cool Bubble® water quenched blown film line with the plan of expanding it to 11 layers in the future.
Some of the features that make the Mo-Con die different from other stackable dies in the market are:
- Instead of using totally flat pancake style modules like other stackable dies, the spirals are machined in a cone at the center of the Mo-Con modules. This feature allows the die body to be more compact and orients the melt flow in a very shallow angle to merge with the other layers.
The binary distribution is still done on the flat portion of the modules as in the conventional flat pancake dies. In the Mo-Con die, both sides of the modules are machined for the purpose of keeping the die compact in height.
- The melt is fed into the center of each module instead of between two modules or plates. This allows a straightforward assembly of the melt adaptor to the die. A leak-proof metal-to-metal seal is easily achieved with less risk of having a leak at the interface where the melt adaptor meets the module since only two surfaces contact each other instead of three.
Jürgen Schiffmann, Managing Director of Kuhne Anlagenbau GmbH, adds, “The unique design concept of our Mo-Con modular blown film die, sets it apart from all other modular concepts in the market with a compact and streamlined design. Continuous optimization of our manufacturing tolerances allows our customers to achieve excellent thickness uniformity, flatness and film quality. The modular concept offers them a high degree of different film combinations to ensure the optimal film structure for each product they manufacture. In other words, ‘Flexibility Without Limits’”.
To learn more about Kuhne Anlagenbau GmbH visit us at Booth # S35139 during NPE2018, visit our website https://kuhne-ab.de/en/ or call Adolfo Edgar at +1 (416) 700-7444.
About The KUHNE Group
First established in 1949, the KUHNE Group has become one of the foremost European engineering companies in the fields of blown film and flat film & sheet extrusion. Three autonomous companies – KUHNE Maschinenbau GmbH, KUHNE Anlagenbau GmbH, and K-Tool GmbH – are united under the umbrella of the KUHNE Group to meet all the criteria required for a modern manufacturer of extrusion systems.
About NPE2018: The Plastics Show
Recognized as the world’s largest plastics trade show and conference, NPE2018 brings together all industry sectors, including vertical and peripheral markets, end markets, brand owners and recyclers. Held every three years, NPE attracts more than 65,000 plastics professionals and features industry-focused education and leading suppliers of emerging technologies, equipment and materials for every phase of plastics processing, all in 1 million square feet of exhibit space.
Building on its most successful show in 2015, held in Orlando, Florida, NPE2018 anticipates even greater participation from up and down the global plastics supply chain when it returns to Orlando in 2018. NPE is produced by Plastics Industry Association (PLASTICS) and is the only international plastics event produced by the industry for the industry. For more information, or to register: www.npe.org.
About The Plastics Industry Association
The Plastics Industry Association (PLASTICS), formerly SPI, is the only organization that supports the entire plastics supply chain, representing nearly one million workers in the $418 billion U.S. industry. Since 1937, PLASTICS has been working to make its members and the industry more globally competitive while advancing recycling and sustainability. To learn more about PLASTICS’ education initiatives, industry-leading insights and events, networking opportunities and policy advocacy, and North America’s largest plastics trade show, NPE2018: The Plastics Show, visit www.plasticsindustry.org. Connect with PLASTICS on Twitter, Facebook and LinkedIn.