ROLLING INTERNAL RING: CARBON STEEL MATERIAL; INTERNAL DIAMETER 160,000 MM; EXTERNAL DIAMETER 179,000 MM; WIDTH 168,000 MM; SPECIAL CHARACTERISTICS HARDNESS 58-64 HRC

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.


