QUALITY

 
 

Table II Minimum  Pully Diameter in milimeter & Horse Power Ratings Per 25mm width

Belt Speed In Mtrs/Sec

HIGRIP  TYPE

KHC/
A6

KH
A6

HHC/
A10

KH
A10

KHC2/
A6

KH2
A6

KHC2/
A10

KH2
A10

KHC3/
A10

KH3
A10

KHC4/
A10

KH4
A10

1.25 40 0.33 90 0.65 150 0.94 190 1.27 325 1.68 400 2.10
2.50 40 0.65 90 1.20 150 1.80 190 2.53 325 3.36 400 4.20
5.00 40 1.29 90 2.42 150 3.60 190 4.83 325 6.72 400 8.30
7.50 45 2.02 100 3.57 160 5.40 210 7.25 355 10.08 425 12.40
10.00 50 2.83 110 4.83 175 7.20 230 9.66 380 13.44 450 16.80
12.75 55 3.26 115 5.99 185 9.00 240 12.02 390 16.90 460 20.90
15.25 60 3.99 125 7.35 190 11.00 250 14.66 400 20.58 475 25.41
17.75 60 4.52 130 8.51 205 12.80 260 17.02 410 23.94 490 29.19
20.25 60 5.15 135 9.45 210 14.70 275 19.55 430 27.40 500 32.97
22.75 60 5.57 140 10.40 225 16.70 290 21.28 440 29.82 510 36.33
25.50 60 6.09 150 11.24 235 18.10 300 23.69 460 33.28 525 39.06
28.00 65 6.51 150 12.08 240 19.30 310 25.76 460 36.12 550 42.63
30.50 75 7.04 150 13.02 255 20.90 325 27.60 460 38.74 560 45.78
35.50 90 7.98 160 14.60 255 23.30 325 31.05 480 43.57 580 53.97
40.50 90 8.72 160 16.17 275 2550 355 33.93 480 47.56 `610 60.69
45.75 90 9.45 175 17.53 290 26.80 380 35.65 480 50.08 625 64.47
50.75 90 9.66 180 17.85 300 26.80 380 36.00 500 50.40 625 65.10

The minimum absolute value of pulley diameters are

KHCA6/
KHA6
KHCA10,
KHA10
KHC2A6/
KH2A6
KHC2A10/
KH2A10
KHC3A10/
KH3A10
KHC4A10/
KH4A10
35mm 50mm 65mm 100mm 215mm 280mm
 

Table III Arc of Contact Correction Factor (For Two-Pulleys Open Drives)

DIFFERENCE OF PULLEY DIAMETERS
,(mm)

CENTRE DISTANCE IN MILIMETRE

600 1200 1800 2400 3000 3600 4200 4800 5400 6000
50 .98 .99 99 99 99 1.00 1.00 1.00 1.00 1.00
100 .96 .98 98 99 99 99 1.00 1.00 1.00 1.00
150 .94 .97 98 99 99 99 99 99 1.00 1.00
200 .92 .96 97 98 99 99 99 99 99 99
250 .90 .95 97 97 98 99 99 99 99 99
300 .88 .94 96 97 98 98 99 99 99 99
350 .85 .93 95 96 97 98 98 99 99 99
400 .83 .92 95 96 97 97 98 98 99 99
450 .81 .91 94 95 96 97 97 98 98 99
500 .79 .90 93 95 96 97 97 97 98 99
550 .76 .89 93 94 96 96 97 97 97 98
600 .74 .88 93 94 95 96 97 97 97 98
650 .71 .87 91 93 95 96 96 97 97 97
700 .69 .85 90 93 94 95 96 97 97 97
750 .66 .84 90 92 94 95 96 96 97 97
800 .63 .83 89 92 93 95 95 96 97 97
850 .58 .82 88 91 93 94 95 96 96 97
900 .54 .81 88 91 93 94 95 95 96 97
1050 ....... .78 85 89 91 93 94 95 95 96
1200 ....... .74 83 88 90 92 93 94 95 95
1350 ....... .70 81 86 89 91 92 93 94 94
1500 ....... .66 79 84 88 90 91 92 93 94
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