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Catalogo Generale Industrial - Regina

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e) Chain length:The number of pitches can be determined as follows.Xo = 2 • ao + Z1 + Z2 + ƒ3 • pp 2 aoƒ3 according to table 6Xo = 2 • 530 + 17 + 57 40,529 • 12,70+12,70 2 530with ƒ3 = 40,529 per Z2 - Z1 = 57 -17 = 40e) Lunghezza catenaIl numero di maglie può essere determinato come segue:Xo = 2 • ao + Z1 + Z2 + ƒ3 • pp 2 aoƒ3 secondo la tab. 6Xo = 2 • 530 + 17 + 57 40,529 • 12,70+12,70 2 530con ƒ3 = 40,529 per Z2 - Z1 = 57 -17 = 40Xo = 121,44select X = 122 linksXo = 121,44scegliere X = 122 maglief) Center distanceThe center distance can be determined as follows:a = [ 2X - (Z1 + Z2) ] • ƒ4 • pƒ4 according to table 7A = [ 2 • 122 – (17+57) ] • 0,24715 • 12,70X - Z1con ƒ4 = 0,24715 per = 122-17 = 2,625(interpolated)Z2 - Z1 57-17A = 533,6 mm.f) InterasseL’interasse può essere determinato come segue:a = [ 2X - (Z1 + Z2) ] • ƒ4 • pƒ4 vedi tab. 7A = [ 2 • 122 – (17+57) ] • 0,24715 • 12,70X - Z1con ƒ4 = 0,24715 per = 122-17 = 2,625(interpolato)Z2 - Z1 57-17A = 533,6 mm.137

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