Gravimetric Feed Control Knows When to Stop.A new low-end extrusion controller for continuous gravimetric gravimetric /grav·i·met·ric/ (grav?i-me´trik) pertaining to measurement by weight; performed by weight, as a gravimetric method of drug assay. grav·i·met·ric adj. 1. feeding offers two novel features, says the supplier, PlastControl Inc., Newburyport, Mass. Model GT3 is said to be the first control package that uses a central vacuum system vacuum system Urology A mechanical system used to facilitate and maintain an erection; an erection erector. Cf Penile implant. for the hopper A tray, or chute, that accepts input to a mechanical device, such as a disk duplicator or printer. In the days of punch cards, millions of cards were numerically or alphabetically organized by placing them into the hopper of a card sorter, taking them out of all the stackers and putting loaders. It's also the first that calculates when a production run will end, and thus knows automatically when to stop feeding the resin resin, any of a class of amorphous solids or semisolids. Resins are found in nature and are chiefly of vegetable origin. They are typically light yellow to dark brown in color; tasteless; odorless or faintly aromatic; translucent or transparent; brittle, fracturing for that product and switch to a new resin for another product. The GT3 controls up to three hoppers (one main hopper plus two dosing units) on a single extruder or single hoppers on three extruders. The new features of the GT3 will soon be extended to the whole PlastControl product line. |
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