Negri Bossi SpA in Milan, Italy, is finishing construction of an injection press with 6,600 tons of clamping force - the company's largest machine ever.
The company expects to deliver the machine this fall to Jcoplastic SpA, which makes large garbage containers and garden furniture in Battipaglia, Italy.
The giant press will turn out wheeled, 625-gallon-sized containers, according to Liam Burns, general manager of Negri Bossi USA Inc., the machinery maker's U.S. operation in Newark, Del.
The Bi-Power press, which has two injection units, has a 225-pound shot capacity. Burns said the injection units are side by side, in a parallel arrangement.
Burns said Negri Bossi also is supplying an automated production cell. After a robot removes the garbage containers, the automation equipment trims the sprue, inserts the wheels and visually inspects the work.
Even before the 6,600-tonner is completed, it already has generated some excitement - just from shipping one of the giant platens from the German supplier to Milan, via the Mont Blanc Tunnel linking France and Italy on the western edge of the Alps. Authorities closed the seven-mile tunnel to traffic while a truck bearing the platen drove through, causing a three-hour traffic backup.
Each platen measures 14½ feet wide by 13½ feet high. The press is 85 feet long and weighs 582 tons. It can hold molds that weigh as much as 132 tons.
Negri Bossi is moving into the rarified territory of presses above 5,000 tons. Husky Injection Molding Systems Ltd. last year sold a massive, 8,800-ton press to shipping container maker Buckhorn Inc., a unit of Akron, Ohio-based Myers Industries. That press has a single injection unit.
Last year, Negri Bossi's largest press was 3,300 tons. The company also makes a 4,400-ton press.