UNITTA U-508, Operation Manual

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11 12
3 Pollychain GT Carbon Belt
※Contact us about 20M type.
１０. The standard installation tension table of the GUA timing belt
1 Timing Belt
2 GT&HTD Belt
Width
（mm） Tooth
Shape
Width
（mm）
Tooth
Shape
Width
（mm） Tooth
Shape
Width
（mm）
Tooth
Shape
Tooth
Shape
1.5GT
1.5 2.0 2.5 3.0 4.0 6.0
3.4 4.4 5.6 7.8 12.6 19.6
9.0 12 15 20 25 30 40 50 55 60 70 85 100 115 130
2GT
EV5GT
4.3 5.2 6.4 9.4 15.8 25.2 34.6 44.1
3GT・3M 29 44 59 74 98
5GT・5M 55 75.9 96
210 285 350
137 178 220 302
8YU・8M
178 71 98 125 232 286 393
14M
410 600 836.7 920 1100
EV14M
150 170
8MGT
14MGT
MIN
MAX
MIN
MAX
320 240 190 340 400 480 580 640 800 970 1000 1130 1290
430 330 260 460 540 650 780 870 1080 1300 1340 1520 1730
1520 1230 820 1640 2050 2460 2790 2870 3280 3690 4100 4720 5130
2050 1670 1100 2220 2780 3330 3770 3890 4440 5000 5550 6380 6940
5330
7220
20 15 12 21 25 30 36 40 50 62 70 60 80
37 30 20 40 50 60 68 70 80 100 115 90 125 130
Width
（mm）
Width
2 （shape type
）
Tooth
Shape
MXL
3.2 4.8 6.4
（25） （31） （37） （50） （75） （100）（150）（200）（300）（400）（500）
7.9 9.5
2.9 5.1 7.6 10.3 11.8 16.4
XL
L
H
XH
XXH
13.7 19.6 24.5 34.5 55.0 75.1
52.0 87.3 123.0 271.6 198.8
222 312 668 486
909 2020 1430
1120 2480 1750 3190
12.7 19.1 25.4 38.1 50.8 101.6
1030 1050
76.2 127.0
1300
560 740 1100 1200 1400 3800 3400 2900 2500 2100 1800
441 618
963.5
775 902 1000 1190 2090 1790 1470
EV8YU
235 294 343 500 765 701 892 1100 637
760
20
2.3
Unit（N）
Unit（N）
4 Unitta Mectrol Belt
T5
10 15 20 25 30 40
29 39 49 59 196 98
50 55 60 80 85 100
T10
AT20
129 173 216 259 863 431
AT5
773 376
AT10 637 183 235 294 343
637 637 1020 1275 235 294 343
1301
637 235 343
618 902 1470 1792
1301
5M
775 1792
14M
8YU
8M
220
20
60 99 137
376 220 60 137
178
Unit（N）
XL
12.7 19.1 25.4 50.8 101.6
（050） （075） （100） （200） （400）
172 229 457 914
L
248 165 330 660 1321
296 394 787 1575
H
114
Unit（N）
Unit（N）
[M (g/m length) = Mass per meter length of one rib (g/m length) x Tension correction factor]
1 Super HC type
2 Polyflex type
3 Micro V type
4 Standard V type
Input item
WEIGHT
(Mass x compensation)
coefficient
per 1 rib 1m length
WEIGHT
(Mass x compensation)
coefficient
per 1 rib 1m length
WEIGHT
(Mass x compensation)
coefficient
per 1 rib 1m length
WEIGHT
(Mass x compensation)
coefficient
per 1 rib 1m length
3VX Single
68.0×0.88＝59.8
3VX Power band
87.0×0.87＝75.7
5VX Single
182.0×0.91＝165.6
5VX Power band
237.0×0.89＝210.9
8V Single
657.0×0.8＝525.6
Input item 5M
11.0×0.95＝10.5
7M
27.0×0.95＝25.7
11M
56.0×0.93＝52.1
Input item J section
9.0×0.95＝8.6
L section
32.0×0.95＝30.4
PK section
21.0×0.95＝20.0
Input item
A
120.0×0.86＝103.2
B
200.0×0.83＝166.0
C
360.0×0.83＝298.8
D
660.0×0.81＝534.6
E
1020.0×0.72＝734.4
The V belt has high comparative rigidity, the gap of revision is necessary for the
actual and measured tension value in the range of the standard installation tension.
Therefore, it should be adopted as WEIGHT level which is calculated by the following;
９. The unit mass table of V belt made by Gates
■ Table 3: Specialized unit mass table for U508, 507, 505, 503
※Contact us for unit mass of toothed belt for automobile engine and V-ribbed belt for
driving automobile engine auxiliary equipment.
Note: Inquire to us for the unit mass of V-ribbed belt and tooth belt for automobile engines
with and automobile engine supplementary plane drive.
Width
（mm）
Width
2 （shape type
）