POLY-V PULLEYS
6Pages

POLY-V PULLEYS POULIES POLY-V POLY-V SCHEIBEN POLEAS POLY-V Characteristics SIT POLY-V pulleys are manufactured with extreme care and they do not show any superficial defect or tool traces. Every pulley is subject to dimensional controls in order to point out pitch tolerance of two grooves. Caractéristiques Les poulies POLY-V réalisées par la SIT sont usinées avec le plus grand soin et ne présentent aucun défaut superficiel ou signe dû aux outils utilisés. Chaque poulie est soumise à des contrôles dimensionnels pour relever la tolérance de l’entraxe entre deux gorges quelconques. Merkmale POLY-V Antriebsscheiben von SIT werden mit größter Sorgfalt verarbeitet und weisen keine Oberflächenfehler oder Werkzeugspuren auf. Jede einzelne Scheibe wird auf Maßhaltigkeit kontrolliert, um die AchsabstandsToleranz zwischen zwei beliebigen Rillen zu ermitteln. Caracteristicas Las poleas POLY-V realizadas por la SIT estàn esmeradamente elaboradas y no presentan defectos superficiales o huellas de herramientas. Cada polea está sometida a controles dimensionales para medir la tolerancia de la batalla entre dos canales. Advantages Always one single belt used. That avoid any problem due to belt lenght differences. Low weight and space occupied. Very high transmission ratio. High power transmitted. High linear speed (up to 60 m/s in “J” section). Low noise and vibration. No heating. Avantages Transmission toujours avec une seul courroie. Poid et espace de la transmission trés contenu. Rapport de transmission trés elevé. Puissance trés elevé. Vitesse linèaire trés elevé (jusqu ‘ à 60 m/s avec section “J”). Brui et vibrations trés faible. Pas de rechauffement. Vorteile Einsatz eines Einzelriemens. Dadurch Vermeidung von Problemen aufgrund verschiedener Riemen Längen. Geringeres Gewicht und Platzeinsparung. Hohes Ubertragungs verhältuis. Hohe Geschwindigkeiten (bis zu 60 m/s bei Profil “J”). Geringe Geräuschentwicklung und Vibration. Kein Überhitzen. Ventajas Siempre una unica correa operativa. Esto evita cualquier problema debido a la diferencia de longitud entre las correas. Peso y dimensiones reducidas. Alta relación de transmisión. Alta potencia transmitida. Elevada velocidad lineal (hasta 60 m/s para la sección “J”). Reducción de vibraciones y ruidos. Ningún recalentamiento. Groove dimensions and tolerances of Poly-V pulleys according to ISO 9982 V section section Profil sección Materials Steel for solid hub pulleys; cast iron GG25 DIN 1691 for taper bush pulleys (PYB). Balancing UNI 4218 - ISO 1940 - VDI 2060 Our PYB pulleys are statically balanced within the G. 6,3 degree. Materiaux Acier pour poulies moyeu plein; fonte GG25 DIN 1691 pour poulies moyeu amovible (PYB). Eqilibrage UNI 4218 - ISO 1940 - VDI 2060 Nos poulies PYB sont statiquement equilíbreés entre le degré G. 6,3. Werkstoff Stahl für Poly - V vorgebohrte Scheiben; Grauguß für Poly-V Scheiben geeaignet für montage mit Spannbuchse (PYB). Auswuchten UNI 4218 - ISO 1940 - VDI 2060 Unsere PYB Scheiben sind statisch ausgewuchtet. Gütestufe G. 6,3. Materiales Acero por poleas con cubo solido; fundición GG25 DIN 1691 por poleas para casquillo conico (PYB). Equilibrado UNI 4218 - ISO 1940 - VDI 2060 El grado de calidad del equilibrado statico de las poleas PYB es G. 6,3. SIT SpA Via Watt, 15 - 20143 Milan - ITALY - T.+39.02891441 F.+39.0289181327 - export@sitspa.it - POLY-V (025.03)

De Groove Taper ush [mm] number Bype T De Groove Taper Bush [mm] number Type De Groove Taper Bush [mm] number Type SIT SpA Via Watt, 15 - 20143 Milan - ITALY - T.+39.02891441 F.+39.0289181327 - export@sitspa.it - POLY-V (025.03)

Taper Bush Type De Groove Taper Bush [mm] number Type De Groove Taper Bush [mm] number Type SIT SpA Via Watt, 15 - 20143 Milan - ITALY - T+39.02891441 F+39.0289181327 - export@sitspa.it - POLY-V (025.03)

SER-SIT® TAPER LOCK BUSHING SER-SIT ® taper lock bush is designed to give the following: 1) perfect assembly; 2) rapid dismantling of the pulley and other transmission equipment; 3) no special tools requirement except hexagonal key. The large range of finished bores available ensures that an immediate assembly can be made thus avoiding costly factory down-time. The bushes are machined with keyways in accordance with UNI and DIN specifications. This is in addition to clamping screws which, in many cases, are sufficient to meet the required torque. Fastening by SER-SIT® bushes allows the...

Bush - Moyeu Buchse - Casquillo mm inches mm inches mm inches mm inches mm inches mm inches mm inches mm inches mm inches mm inches mm inches mm inches mm inches mm inches mm inches max. diameter max. diametre max. Durchmesser max. diámetro length longeur Länge longitud Diameter of the bore Diametre des alésage Bohrungsdurchmesser Diámetro del agujero type type Typ tipo Screws - Vis Schrauben - Tornillos length longeur Länge longitud set screw wrench type clef hexagonale type ImbusSchlüssel Typ llave exagonal tipo The first group of numbers indicates maximum bore, the second conventional...

Assembly and dismantling of SER-SIT® conical bushing • Before fitting the bushing, carefully clean the bore and conical parts. • Fit the bushing into the pulley, taking care to let the threaded half-holes of the pulley coincide with the unthreaded holes of the bushing. • Hand tighten the screws. • Fit the pulley to the hub after carefully cleaning it. Position it and tighten the screws alternately. • Dismantling: remove screws and replace one screw in the jacking hole provided and tighten until hub is released. NOTE - Ensure that the key does not bottom in the keyway. Clearance in...