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BELT AND PULLEY SPECIFICATIONS
PVBELTSHANDBOOK2 22/6/07 10:14 Página 8
PV belts are divided in five different profiles to cover the needs of a wide range of applications. The dimensions andproperties of each profile, are summarised in the following table:
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d eff
= d
out
d p
h
Sg
Dp : The pitch diameter is used to calculate the transmission ratio and the belt speed.
Deff : For grooved pulleys, the effective diameter is equal to the outside diameter.
Dout : Depending if the pulley is flat or grooved the value h or hr have to be added in order to calculate the pitch diameter of
the pulleys.
Max. belt speed [m/s] 60 55 55 50 40
Weight per rib [kg/m] 0.0045 0.0085 0.0177 0.0354 0.1171
Min. pulley diameter [mm] 13 20 45 75 180
Min. diameter for external
flat idlers [mm]
Min. diameter for internal
flat idlers [mm]
Sg [mm] 1.6 2.34 3.56 4.70 9.40
Hb [mm] 2.6 3.4 4.6 6.6 12.8
h [mm] 0.8 1.2 2.0 3.0 4.0
hr [mm] 1.2 1.7 2.5 4.75 6.3
PH PJ PK PL PM
Dri
ve p
aram
eter
sB
elt
dim
ensi
ons
TABLE 1. Basic design data
Household appliances Dryers Washing machines
Magnetic agitators Fitness equipments Laundry machines
Automatic doors Floor polishers Small compressors
Concrete mixers Elevator doors Lift appliances, etc..
Tractors Elevators Pumps & compressors
Lifting equipment Fans Wood saws, etc…
High pressure cleaners Flour mills Crushers
Piston compressors Escalators Brick machinery, etc…
Paper industry Hammer mills Turbines
Quarries Granulators Excavators, etc…
APPLICATION EXAMPLES
PHPH
PJ
PK
PL
PM
TABLE 2. Application examples of PV Belts
BELT CROSS SECTIONS AND DIMENSIONS
9
MEGADYNEPV BELTS
For further information regarding belt dimensions, please consult ISO 9982.
40 50 65 150 300
22 38 52 76 180
PVBELTSHANDBOOK2 22/6/07 10:14 Página 9
10
STANDARD BELT & PULLEY RANGE
MEGADYNE PV belt range:
PJEff. length
[mm] [in]
1232 48.51236 48.71244 49.01262 49.71270 50.01280 50.41287 50.71295 51.01302 51.31315 51.81318 51.91321 52.01326 52.21365 53.71371 54.01397 55.01428 56.21473 58.01524 60.01549 61.01600 63.01651 65.01752 69.01854 73.01895 74.61910 75.21930 76.01956 77.02083 82.02135 84.12210 87.02337 92.02489 98.0
PKEff. length
[mm] [in]
588 23.1630 24.8650 25.6675 26.6700 27.6730 28.7755 29.7775 30.5800 31.5830 32.7845 33.3870 34.3885 34.8925 36.4950 37.4970 38.21000 39.41015 40.01035 40.81060 41.71080 42.51145 45.11165 45.91200 47.21230 48.41300 51.21335 52.61385 54.51420 55.91460 57.51490 58.71520 59.81555 61.21610 63.41655 65.21700 66.91725 67.91755 69.11800 70.91860 73.21885 74.21900 74.81980 78.02050 80.72080 81.92145 84.52235 88.02330 91.72490 98.02555 100.6
PLEff. length
[mm] [in]
953 37.5991 39.01074 42.31080 42.51092 43.31194 47.01270 50.01321 52.01333 52.51371 54.01397 55.01422 56.01435 56.51473 58.01511 59.51562 61.51613 63.51664 65.51715 67.51764 69.51803 71.01841 72.51943 76.51956 77.01981 78.02020 79.52070 81.52096 82.52134 84.02197 86.52235 88.02324 91.52362 93.02476 97.52515 99.02705 106.52743 108.02845 112.02895 114.02921 115.02997 118.03086 121.53124 123.03289 129.53327 131.03492 137.53696 145.54051 159.54191 165.04470 176.04622 182.05029 198.05385 212.06096 240.0
PMEff. length
[mm] [in]
2286 90.02388 94.02515 99.02693 106.02832 111.52921 115.03010 118.53124 123.03327 131.03531 139.03734 147.04089 161.04191 165.04470 176.04648 183.05029 198.05410 213.06121 241.06883 271.07646 301.08408 331.09169 361.09931 391.010693 421.012217 481.013741 541.015266 601.016764 660.0
PJEff. length
[mm] [in]
350 13.8381 15.0406 16.0432 17.0457 18.0483 19.0495 19.5508 20.0533 21.0559 22.0584 23.0610 24.0635 25.0650 25.6660 26.0685 27.0711 28.0723 28.5737 29.0762 30.0769 30.3790 31.1813 32.0864 34.0895 35.2914 36.0944 37.2955 37.6965 38.0990 39.01016 40.01036 40.81040 40.91051 41.41065 41.91080 42.51089 42.91092 43.01100 43.31108 43.61116 43.91136 44.71143 45.01150 45.31160 45.71168 46.01170 46.11184 46.61190 46.91194 47.01200 47.21203 47.41210 47.61214 47.81222 48.1
PHEff. length
[mm] [in]
584 23.0947 37.31011 39.81025 40.41030 40.61068 42.01140 44.91164 45.81184 46.61200 47.21210 47.61265 49.81809 71.21831 72.11856 73.11872 73.71891 74.41900 74.81915 75.41922 75.71930 76.01945 76.61980 78.0
8J1200Effective length
Number of ribsPV Section
For measuring method and belt length tolerance please refer to ISO 9982.
TABLE 3. Standard belt length
Designation
PVBELTSHANDBOOK2 22/6/07 10:15 Página 10
11
MEGADYNE
PV BELTS
Standard pulley range:
For further details on pulleys and idlers please check page 18.
TABLE 4. Standard pulleys
Outside PJ PL PM
Diameter Number of ribs Number of ribs Number of ribs
[mm] 4 6 8 10 12 16 20 4 6 8 10 12 16 20 4 6 8 10 12 16 20
202530354045505660636769717580859095100106112118125132140150160170180190200212224236250280315355400450500560630710800
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PVBELTSHANDBOOK2 25/6/07 10:47 Page 11
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