Nissei America, Inc., Anaheim, Calif., will be showing the PSX40-5A,a "super-high-speed and ultra-precision" 44-tonner introduced at JP90 (see PT, Jan.
In the MSP series (first seen at the JP90 show in Tokyo), speed is further increased through use of an ac inverter scew motor, which can rotate during mold opening and closing (see PT, Jan. Also, because it's possible to eject during mold opening, their overall cycle time is reduced. The MJ Series from 90 to 950 tons and the MSP Series from 90 to 350 tons both feature a new hydraulic prefill valve that's said to drastically reduce clamp-pressure buildup time. Two lines of hydraulic-clamp presses are being introduced by Mitsubishi International Corp.'s Plastics Injection Machine Div., Bensenville, Ill. Perhaps more than any other feature, suppliers are stressing machinery at NPE '91. See also this month's accompanying NPE '91 Show Guide for brief notes on all new entries. Some are covered elsewhere in this issue others will be included next month with additional late news of shows ehibits that did not reach us in time for this report. Space requirements don't permit itemizing every new development in major equipment as well as screws, barrels, and other components. That's not to say that there won't be plenty of SPC, CIM, CAD/CAE and other high-tech acronyms trumpeted at the show, but this year the machinery is taking center stage. While the last NPE in 1988 saw injection machinery suppliers focus on computer software and automation, at NPE '91 many suppliers will be getting "back to basics" and emphasizing improvements in hardware. Look for a horde of new specialty and g-p machines, controls, robots, and hot runners - many with new SPC/SQC and networking features.
APA style: What's new in injection molding.What's new in injection molding." Retrieved from
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