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@bj@szja@a@

sbra@lbja@u@lbn@@a@@b@@b@Z@@a@aa@NN@ba@NN@@@

@@@Ny@@c@

* * * * * * * * * * * * *

.

)( . .

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Transmission by BeltsCalculations of

.. .. ( ). . )(

.1:1)( )( .

)( .

Velocity ratioDriverDriven322:-

= .......................VrN

1d

2

d1

N2

=

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322 :Vr.N1(r.p.m).N2(r.p.m).d .((mm1d .((mm2

@br1@Z@

.323125 mm250 mm

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323aZ@

V r =d

2

d1

= =1 2 5

2 5 0

1

2 2 : 1

br2Z@

750 r.p.m 250 r.p.m.324

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324

a@ZVr =

N1

N2

= =1 2 5

2 5 0 1

3

1 : 3@ja@pb@@c@@bgZ@

-:

N1

N2

d2

d1

=

N1* d1 = N2 * d2

@

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@br3@Z@@

210 r.p.m 250 mm140mm325.

325aZ@

N1 * d

1 = N

2 * d

2

N2 =

N1

* d1

d2

=2 1 0 * 2 5 0

1 4 0= 3 7 5 r . p . m

@br4Z@

375 r.p.m140 mm 210 r.p.m326.

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326aZ@

N1 * d

1= N

2* d

2

d1 =

N2 * d

2

N1

=375* 140

2 1 0

= 250 r .p .m

Calculations of Double Transmission by Belts

327 .Drivers

Drivens.

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327..Driver-1..Driven-2..Driver-3..Driven-4 -:

Vr =N

1* N

3d

2* d

4

d1* d3N2* N4

=

V r =N

1

d2 * d

4

d1 * d

3N 4

=

:Vr.N1(r.p.m).N2(r.p.m).N3(r.p.m).

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N4(r.p.m).d .1((mm1

d .2((mm2d .3((mm3

d .4((mm4br1@Z@

3-28 d1300 mmd2150 mm r.p.m250N1d3200 mmd480 mm.:-

).()(.)(

328aZ@

(a)

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V r =d

2 * d

4

d1

* d3

=1 5 0 * 8 0

3 0 0 * 2 0 0=

1

5

(b)

V r =N

1

N4

N4

N4 =

1 2 5 0

5=

5 * 2 5 0 = 1 2 5 0 r .p . m

@@br2@Z@

329 .N41000 r.p.mN1300 r.p.m

-:.d2120 mmd3180 mmd490 mm).()(.)(

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329aZ@

(a)

Vr = N1

N4

= 300

1000 10

3=

10 : 3

(b)

Vr =

d2 * d

4

d1* d

3

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d1*

d1=

3

1 0=

1 20 * 9 0

180

1 0 * 1 2 0 * 9 0

3 * 180= 2 0 0 m m

@[email protected].

* * * * * * * * * * * * *

.. ... (

).

.

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