MK Series - Mechanical speed variators
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MK Series - Mechanical speed variators - 1

SPA SOCIET ITALIANA TRASMISSIONI INDUSTRIALI . >

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MK Series - Mechanical speed variators - 3

SITI S.p.A. La ringrazia per la fiducia accordata e Le ricorda che il Suo riduttore il risultato di un lavoro di miglioramento del prodotto che i nostri tecnici perseguono continuamente, gra- zie ad una ricerca costante nel settore.La rete di Assistenza a Sua disposizione peraiutarLa a risolvere dubbi che potessero sorge- re nella lettura di questa pubblicazione.E訒 vietata la riproduzione, la memorizzazione olalterazione, anche parziale, di questa pubbli- cazione, senza una autorizzazione scritta da parte della SITI S.p.A. We, at SITI S.p.A., would like to thank you for the confidence shown...

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MK Series - Mechanical speed variators - 5

PREMESSAIl presente catalogo relativo ai INTRODUCTIONThis catalogue is related to the mechanicalvariators type K-MK, manufactured by SITI.DESIGN AND OPERATIONThe SITI variator consists of two inner tracks(1 and 2) which are pressed together onta the satellite wheels (7) by cup springs (3) this sub-assembly is mounted onta the input drive shaft (4). The number of satellite wheels (7) varies from three to six depending on the size of the variator. The outer tracks (5 and 6) also press on the satellite wheels (7), one track (5) is fixed to the main body, the other track (6) has limited...

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MK Series - Mechanical speed variators - 6

A differential variator is essentially identicalto the normal version already described. The only difference consists in the addition of a differential gear train. Rotation speed of the motor, or of the input shaft, is transmitted both to the variator train and to the differential sun wheel (a). The planet carrier (d) is shared by the variator and the differential unit so that it also drives the planet wheels of the differential (b). The transmission ratio of the differential is such that when the variator is running at minimum speed no rotation will be imparted to the dif- ferential...

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MK Series - Mechanical speed variators - 8

HANDWHEELThis is supplied with every standard varia-tor. A plastic disc is inserted in the handw- heel indicating in which direction to turn to increase and decrease output speed. VOLANTINO DI REGOLAZIONEE fornito a corredo del variatore standard. Alcentro Ҩ inserito, a pressione, un dischetto in plastica che riporta in rilievo lindicazione dei sensi di rotazione del volantino (e di conseguen- za della vite di comando) per ottenere lҒincre- mento o la diminuzione della velocita. HANDVERSTELLUNGHierbei handelt es sich um eine Standard-ausfuhrung des Verstellgetriebes, beste-hendaus einem...

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MK Series - Mechanical speed variators - 9

OPERATIONAL FEATURES OF THE MOTOR-IZED VARIATORThe planetary variator transmits a torquethrough friction surfaces. For each size, a max torque is fixed, and beyond said torque the equipment starts to slide, thus causing RPM losses, over- heatings, and as extreme problem wear, therefore a risk of adversely affecting the life- time of the variator.This arranges that the variator can take ad-vantage of the full motor power only in a range next to the max output speed. On the contrary at low speeds, considering that the output torque has to be limited due to friction reasons, the input power...

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MK Series - Mechanical speed variators - 11

Tipo Grandezza Poli Posizione di montaggio Type Size Poles Mounting position Output shaft Typ Grsse kW VoltDiam. alb. uscita Polig Hz Einbaulage Durch. der Antriebswelle > Tipo Grandezza Poli Type Size Poles Mounting position Typ Grsse ikWPosizione di montaggio Polig Volt Hz Einbaulage > Tipo Grandezza Poli Type Size Poles Mounting position Typ Gr涶sse ikWPosizione di montaggio Polig Volt Hz Einbaulage >

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MK Series - Mechanical speed variators - 13

SEZIONI E CUSCINETTI SECTION DRAWING AND BEARINGS SCHNITTZEICHNUNG UND KUGELLAGER >

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2 n > 2 M > 2 M > 2 TYPEpoles > 1 min > -1 min > -1 NmNm TYPpolig >

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MK Series - Mechanical speed variators - 37

2 n > 2 M > 2 M > 2 TYPEpoles > 1 min > -1 min > -1 NmNm TYPpolig >

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MK Series - Mechanical speed variators - 38

2 n > 2 M > 2 M > 2 TYPEpoles > 1 min > -1 min > -1 NmNm TYPpolig >

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MK Series - Mechanical speed variators - 39

DIMENSIONI DIMENSIONS ABMESSUNGEN DIMENSIONI FORATURA DEL CORPO FIXING DIMENSIONS OF HOUSING GEHAEUSEBOHRUNGABMESSUNGEN >

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MK Series - Mechanical speed variators - 40

X, Y, W Vedere tabelle motori elettrici X, Y, W See electric motor table X, Y, W Siehe Motortabelle >

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MK Series - Mechanical speed variators - 41

X, Y, W Vedere tabelle motori elettrici X, Y, W See electric motor table X, Y, W Siehe Motortabelle >

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MK Series - Mechanical speed variators - 42

X, Y, W Vedere tabelle motori elettrici X, Y, W See electric motor table X, Y, W Siehe Motortabelle >

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MK Series - Mechanical speed variators - 43

X, Y, W Vedere tabelle motori elettrici X, Y, W See electric motor table X, Y, W Siehe Motortabelle >

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MK Series - Mechanical speed variators - 44

X, Y, W Vedere tabelle motori elettrici X, Y, W See electric motor table X, Y, W Siehe Motortabelle >

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MK Series - Mechanical speed variators - 45

X, Y, W Vedere tabelle motori elettrici X, Y, W See electric motor table X, Y, W Siehe Motortabelle >

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MK Series - Mechanical speed variators - 46

X, Y, W Vedere tabelle motori elettrici X, Y, W See electric motor table X, Y, W Siehe Motortabelle >

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MK Series - Mechanical speed variators - 47

X, Y, W Vedere tabelle motori elettrici X, Y, W See electric motor table X, Y, W Siehe Motortabelle >

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MK Series - Mechanical speed variators - 48

X, Y, W Vedere tabelle motori elettrici X, Y, W See electric motor table X, Y, W Siehe Motortabelle >

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MK Series - Mechanical speed variators - 49

X, Y, W Vedere tabelle motori elettrici X, Y, W See electric motor table X, Y, W Siehe Motortabelle >

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MK Series - Mechanical speed variators - 50

X, Y, W Vedere tabelle motori elettrici X, Y, W See electric motor table X, Y, W Siehe Motortabelle >

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MK Series - Mechanical speed variators - 51

X, Y, W Vedere tabelle motori elettrici X, Y, W See electric motor table X, Y, W Siehe Motortabelle >

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MK Series - Mechanical speed variators - 52

Serie con flangia compatta Compact flange series Baureihe mit kompakter flanschausfuehrung > X, Y, W Vedere tabelle motori elettrici X, Y, W See electric motor table X, Y, W Siehe Motortabelle >

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MK Series - Mechanical speed variators - 53

MAX. ALLOWABLE EXTERNAL RADIAL ANDAXIAL LOADThe allowable radial loads are indicated inthe chart below and they are meant to be applied to the center line of the shaft projec- tion, in case the application is relative to a service factor sf = 1The axial load that can be withstood, whencombined with external radial loads, is 20- 25% of the corresponding maximum exter- nal radial load.For ratios that differ from those indicated inthe chart, the allowable loads can be deter- mined by interpolation. CARICO RADIALE ED ASSIALE ESTERNOAMMISSIBILEI carichi radiali ammissibili sono indicati...

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MK Series - Mechanical speed variators - 54

MOTOVARIATORI COMBINATI MK/MHL.../3 COMBINED MOTORIZES VARIATORS MK/MHL.../3 KOMBINIERTE VERSTELLGETRIEBE MIT MOTOR MK/MHL.../3 >

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