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Bigger boys

Boy?s machines have put on a few tons. Its field-proven, 33.7-ton 30 Series presses have been replaced by new 35 Series machines weighing in at 37.8 tons (350 kN). Four-tiebar, twin-platen clamping is standard with 11 by 10 inches between tiebars.

Screw diameter choices are 22, 24, 28, or 32 mm with shot weights up to 2.29 oz. The 35 Series press may have more tonnage, but its 108.7-by-33.9-by-74.8-inch footprint reportedly is the smallest of any machine in its class.

An all-vertical 37.8-ton twin-platen press designated 35 VV also is new from Boy Machines. It has a footprint of just 28 sq ft, but has tons of room for auxiliaries, including a 19.69-inch platen daylight and 11-by-10-inch tiebar spacing.

Customers can turn the 35 VV?s two-platen clamping unit 90° to get a fixed lower platen for eliminating any chance of insert jiggle during clamping. Key specifications include an 11.81-inch mold opening stroke, a 2.29-oz maximum shot weight (PS), and a theoretical maximum stroke volume of 4.76 cu in.

Both the all-horizontal and all-vertical 350-kN Boys are available with the Procan MD or color touch-screen Procan CT controllers; both reportedly are competitively priced.

Boy Machines Inc., Exton, PA
(610) 363-0163;

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