The groove depth of the warping roll is as long as a half of the cord diameter. The nip between the pressureroll and No.
整经辊的沟槽深度等于帘线直径,压力辊的沟槽深度为帘线直径的一半。
2
The pressureroll is usually cooled both by internal circulating high velocity water and by placing a water-cooled aluminum roll against the trailing edge of the pressureroll as a heat sink.
With even and stable pressureroll hot stamping, this machine can stamp hot stamping foil on the edge of book back and photo album and it can be used for fine album and book back peripheral gilding.