Abstract: A braking band of a disc for disc brake includes a first plate and a second plate, arranged facing each other so as to form a gap, a plurality of connecting elements and/or spacers having a plurality of connecting fins, each extending between a radially inner peripheral portion and a radially outer peripheral portion of the braking band along a longitudinal fin direction, coinciding with the longitudinal development axis of the connecting fin. Some connecting fins extend along a longitudinal fin direction and comprise an arched stretch having a concavity kept in the same sense along the entire longitudinal extension of the arched stretch, defining ventilation channels. The first plate inner surface has a plurality of first plate protrusions projecting into the gap from the first plate inner surface towards the second plate. The second plate inner surface has a plurality of second plate protrusions projecting into the gap from the second plate inner surface towards the first plate.

Abstract: A braking band of a disc for disc brake has a first plate and a second plate, a group of connecting fins connecting the first plate and the second plate, defining a module (M) repeated according to a circumferential direction (C-C). The first fin extends along a first longitudinal direction between a radially inner edge and a radially outer edge forming a circumferentially arched first stretch of first fin having a first concavity (R13) kept in the same sense along the entire extension of the first stretch of first fin in the first longitudinal direction, a circumferentially arched second stretch of first fin having a second concavity (R14), a circumferentially arched third stretch of first fin, and a circumferentially arched fourth stretch of first fin. The second fin develops along a second longitudinal direction between the radially inner edge and the radially outer edge. The first fin is shorter than the second fin.

Abstract: A braking band of a disc for disc brake has a first plate and a second plate, a group of connecting fins connecting the first plate and the second plate, defining a module (M) repeated according to a circumferential direction (C-C). The first fin extends along a first longitudinal direction between a radially inner edge and a radially outer edge forming a circumferentially arched first stretch of first fin having a first concavity (R13) kept in the same sense along the entire extension of the first stretch of first fin in the first longitudinal direction, a circumferentially arched second stretch of first fin having a second concavity (R14), a circumferentially arched third stretch of first fin, and a circumferentially arched fourth stretch of first fin. The second fin develops along a second longitudinal direction between the radially inner edge and the radially outer edge. The first fin is shorter than the second fin.

Abstract: A braking band of a disc for disc brake includes a first plate and a second plate, arranged facing each other so as to form a gap, a plurality of connecting elements and/or spacers having a plurality of connecting fins, each extending between a radially inner peripheral portion and a radially outer peripheral portion of the braking band along a longitudinal fin direction, coinciding with the longitudinal development axis of the connecting fin. Some connecting fins extend along a longitudinal fin direction and comprise an arched stretch having a concavity kept in the same sense along the entire longitudinal extension of the arched stretch, defining ventilation channels. The first plate inner surface has a plurality of first plate protrusions projecting into the gap from the first plate inner surface towards the second plate. The second plate inner surface has a plurality of second plate protrusions projecting into the gap from the second plate inner surface towards the first plate.