Nissei exhibits the most up-to-date electric molding machines at "K2004"
Nissei Plastic Industrial Co., Ltd. is going to exhibit, at "K2004" to be held from October 20th through the 27th in Dusseldorf, Germany, a total of 4 injection molding machines including a compact electric injection molding machine for micro molding use "ELJECT EP5 Real Mini" and 3 models of electric molding machines of the "ELJECT NEX Series" which have acquired a good reputation from customers since they were put on the market. With the introduction of the most advanced molding technologies corresponding to various types of applications, the company will also exhibit the most advanced quality and production control system. It is the first public exhibition in Europe for all of the 4 models of molding machines to be exhibited at this time. With the keywords, "Development Concept Focusing on Production Site," the company will declare respective molding themes and make concrete proposals for solving various problems with which molding sites are confronting. The company will make the advantages of its machines well-known to all customers.  Outline of exhibiting machines1. Compact electric injection molding machine "ELJECT EP5 Real Mini" This machine is of an all electric type with a mold clamping force of 5 tons (49kN) developed for micro molding use. At the exhibition hall, as a high-productivity micro molding system, this machine is mounted with an infrared mold monitoring device and demonstrates high-cycle 4-cavity molding of 80-pin connectors with 0.4 mm pitch in 3.4 seconds. It also confirms remnants of the product in a mold. Features of the molding machine: In the injection mechanism;
In the mold clamping mechanism;
Furthermore, as an original molding support system, this molding machine is able to load mold monitoring equipment for which "infrared rays" are used for the first time in the industry. As the features of this system, different from conventional types, it is capable of high precision monitoring without the influence of turbulent light and detecting a black object not influenced by colors. Moreover it is low-priced. 2. Electric injection molding machine "ELJECT NEX Series" From the electric injection molding machines "ELJECT NEX Series" which were put on the market in July of last year and have acquired a good reputation from customers, Nissei exhibits the three models; "NEX2000" with a mold clamping force of 110 tons (1080kN), "NEX4000" with 180 tons (1765kN) and "NEX500" with 50 tons (490kN). At the exhibition hall, in keeping with the theme of "the molding of high quality products by means of the clamping force feedback control," the "NEX2000" machine molds one utility case set (case and cover) without sink marks and warpage by the molding with optimum clamping force (stable natural compression process). The "NEX4000" machine with standard specifications, in keeping with the theme of "the improvement of durability of the injection unit in high-cycle molding," and using a newly developed "liquid lubrication type ball screw" for the injection shaft, demonstrates high-cycle molding of cups in six cavities in 3.5 seconds per one shot. It also publicizes high-durability of the injection shaft, low-vibration and low-noise operation. Moreover in our company's booth, Taisei Plas Co., Ltd. demonstrates integral molding of aluminum and plastic, using the "NEX500" machine with a mold clamping force of 50 tons (490kN) which is highly evaluated in the small-sized precision parts molding. The "NEX Series" has been developed as a useful molding machine for further pursuit of high productivity, reduction of defective moldings, mold protection and energy-saving, and also for solving various problems with which molding sites are confronted such as improvement of operatively and working environment. The biggest feature of the "NEX Series" is the loading of an exclusive use controller "TACT" which has the fastest injection scanning time of 100 microseconds (1/10,000 second). Concretely, it reduces unevenness of injection pressure by 50%, which influences the precision of molded products, and its injection speed is raised up to 40% as compared with conventional machines. Moreover, by improving response and reproducibility of the injection process control and VP change, it displays its great force especially in high-speed molding. It is also equipped with versatile control programs ideal for molding as standard such as mold clamping compression control and in-mold processing control including holding pressure position control. Main features in the mechanism;
The exclusive controller "TACT" is of a man-machine-interface type for which a 12.1 inch color liquid crystal screen (with a tilt-mechanism) is equipped. It is capable of setting a free screen angle to fit the height of an operator. Main features of the functions:
3. "Quality and production control system PQ Manager" It is a quality and production control system newly developed for applying to a variety of applications including the group control of quality and production information about maximum 30 injection molding machines, and the quality analysis for one molding machine. At the exhibition hall, connecting the two exhibited machines, "NEX2000" and "NEX4000," with a laptop personal computer on the LAN, Nissei demonstrates monitoring of operation condition, monitor analysis, and profile analysis. Main features are:
Further, Nissei's cumulative total shipment number of injection molding machines exceeded 95,000 units. The company aims to achieve 100,000 units within the year 2005 for the first time in the industry.
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