FLEXIBLE COUPLING; TYPE: FLEXIBLE WITH ELEMENT (ELASTOMER) INTERMEDIATE; DIAMETER INTER.-CUBE 1: WITHOUT MACHINING; DIAMETER INTER.-CUBE 2: WITHOUT MACHINING; MAXIMUM SPEED: 5600 RPM; LONG: 5.51; MAXIMUM EXTERNAL DIAMETER: 4.13; REFERENCE DRAWING: N / A; NOMINAL TORQUE MAXIMUM: 4645 LB; MATERIAL: STEEL; HARDNESS OF ELASTOMER (SPIDER): 98 SHORE A; MARK 1: ROTEX; N-PART 1: 48-STYLE 01-ST-98

The impact of the 4D printer on the international market
The most obvious advantage of 4D printing is that objects larger than printers can be printed as just one part. Because they can shrink and unfold, items that are too large to fit in a printer can be compressed and then become full size.