Electric toggle presses get clamp-force control.The NEX NEX abbr. Navy exchange series of all-electric machines from Nissei America, Anaheim, Calif, has been upgraded with a new version of its TACT TACT Tuned aperature computed tomography Imaging A technology used to study ambiguous breast images, display 2-D images in 3-D and ↓ false negative mammograms. See Mammography. controller offering closed-loop clamp-force control plus faster injection speed and response. The controller also includes new software for mold-filling control and precise shot metering during plastication, as well as simplified settings for mold protection. The new feedback control enables the toggle To alternate back and forth between two states. toggle - To change a bit from whatever state it is in to the other state; to change from 1 to 0 or from 0 to 1. This comes from "toggle switches", such as standard light switches, though the word "toggle" actually refers to clamp to function similar to a direct-pressure clamping approach. The system corrects changes in clamp force caused by thermal expansion thermal expansion Increase in volume of a material as its temperature is increased, usually expressed as a fractional change in dimensions per unit temperature change. of the mold or other factors. Clamp force can be changed on the fly. Low-inertia servomotors on models from 33 to 121 tons reportedly deliver faster injection with 2.7 times faster acceleration response. Smaller presses, like the 55-ton model, can achieve 500-mm/sec injection speed, 50% faster than before. The series comprises 10 machines from 16.5 to 507 tons. Tel: (714) 693-3000 * PT Direct: 298RK |
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