TRAPEZOIDAL TOOTHED RUBBER SYNCHRONOUS BELT

•  Trapezoidal tooth profile •  Low to the medium load-bearing capacity

•  Fairly good positioning capability as backlash is less than HTD belt

•  High flexibility •  Efficiency up to 98% •  Maintenance-free


Seven profiles for synchronous drives are standardized: MXL, XXL, XL, L, H, XH, XXH.Trapezoidal toothed rubber synchronous belt, numerous specifications that can bewidely used in synchronous driven area.economic and free-maintenance to replacetraditional driven model will be an ideal choice.

Table 1-Profiles

Profiles

Belt   Pitch

mm

in

MXL

2.032

0.080

XXL

3.175

0.125

XL

5.080

0.200

L

9.525

0.375

H

12.700

0.500

XH

22.225

0.875

XXH

31.750

1.250


Belt tooth dimensions

The nominal belt tooth dimensions are the same for one-sided and double-sided belts; they are given in Table 2 and are shown in Figures 1, 2, and 3. Two types of double-sided synchronous belts are standardized. Type A (see Figure 2) has symmetrical teeth and Type B (see Figure 3) has staggered teeth.

Table 2 - Nominal tooth dimensions

Profiles

2β degrees

S

ht

rr

ra

mm

in

mm

in

mm

in

mm

in

MXL

40

1.14

0.045

0.51

0.02

0.13

0.005

0.13

0.005

XXL

50

1.73

0.068

0.76

0.03

0.2

0.008

0.3

0.012

XL

50

2.57

0.101

1.27

0.05

0.38

0.015

0.38

0.015

L

40

4.65

0.183

1.91

0.075

0.51

0.020

0.51

0.02

H

40

6.12

0.241

2.29

0.09

1.02

0.040

1.02

0.04

XH

40

12.57

0.495

6.35

0.25

1.57

0.062

1.19

0.047

XXH

40

19.05

0.750

9.53

0.375

2.29

0.090

1.52

0.06

2的副本.png



4的副本.png 

规格节线长齿数
规格节线长齿数
规格节线长齿数
规格节线长齿数
规格节线长齿数
规格节线长齿数
TypeLp(mm)Z
TypeLp(mm)Z
TypeLp(mm)Z
TypeLp(mm)Z
TypeLp(mm)Z
TypeLp(mm)Z
B26MXL52.8326
B75MXL152.475
B112MXL227.58112
B153MXL310.9153
B260MXL528.32260
B531MXL1078.99531
B27MXL54.8627
B76MXL154.4376
B113MXL229.62113
B1 54MXL312.93154
B265MXL538.48265
B546MXL1109.47546
B33MXL67.0633
B7 7MXL156.4677
B114MXL231.65114
B1 55MXL314.96155
B273MXL554.74273
B548MXL1113.54548
B35MXL71.1235
B78MXL158.578
B115MXL233.68115
B156MXL316.99156
B276MXL560.83276
B570MXL1158.24570
B38MXL77.2238
B79MXL160.5379
B116MXL235.71116
B157MXL319.02157
B280MXL568.96280
B583MXL1184.66583
B40MXL81.2840
B80MXL162.5680
B118MXL239.78118
B158MXL321.06158
B285MXL579.12285
B594MXL1207.01594
B43MXL87.3843
B82MXL166.6282
B120MXL243.84120
B160MXL325.12160
B290MXL589.28290
B600MXL1219.2600
B45MXL91.4445
B83MXL168.6683
B122MXL247.9122
B161MXL327.15161
B295MXL599.44295
B610MXL1239.52610
B47MXL95.547
B84MXL170.6984
B123MXL249.94123
B 162MXL329.18162
B298MXL605.54298
B648MXL1316.74648
B49MXL99.5749
B85MXL172.7285
B125MXL254125
B165MXL335.28165
B300MXL609.6300
B680MXL1381.76680
B50MXL101.650
B87MXL176.7887
B126MXL256.03126
B168MXL341.38168
B305MXL619.76305
B750MXL1524750
B51MXL103.6351
B88MXL178.8288
B127MXL258.06127
B1 70MXL345.44170
B310MXL629.92310
B760MXL1544.32760
B52MXL105.6652
B89MXL180.8589
B128MXL260.1128
B175MXL355.6175
B31 2MXL633.98312
B800MXL1625.6800
B53MXL107.753
B90MXL182.8890
B130MXL264.16130
B180MXL365.76180
B318MXL646.18318
B955MXL1940.56955
B54MXL109.7354
B91 MXL184.9291
B131MXL266.19131
B184MXL373.89184
B320MXL650.24320
B957MXL1944.62957
B55MXL111.7655
B92MXL186.9492
B132MXL268.22132
B1 88MXL382.02188
B322MXL654.3322
B101 2MXL2056.381012
B56MXL113.7956
B93MXL188.9793
B133MXL270.26133
B190MXL386.08190
B324MXL658.37324
B1030MXL2092.961030
B57MXL115.8257
B94MXL191.0194
B134MXL272.28134
B192MXL390.14192
B328MXL666.5328
B1060MXL2153.921060
B58MXL117.8658
B95MXL193.0495
B135MXL274.32135
B194MXL394.21194
B330MXL670.56330
B1137MXL2310.381137
B59MXL119.8959
B97MXL197.197
B136MXL276.35136
B195MXL396.24195
B332MXL674.62332
B1250MXL25401250
B60MXL121.9260
B98MXL199.1498
B137MXL278.38137
B1 97MXL400.3197
B336MXL682.75336
B1426MXL2897.631426
B61MXL123.9561
B99MXL201.1799
B138MXL280.42138
B200MXL406.4200
B347MXL705.1347
B 1463MXL2972.821463
B62MXL125.9862
B100MXL203.2100
B139MXL282.45139
B205MXL416.56205
B348MXL707.14348
B1778MXL3612.91778
B63MXL128.0263
B101MXL205.23101
B140MXL284.48140
B206MXL418.59206
B350MXL711.2350
B1806MXL3669.791806
B64MXL130.0564
B102MXL207.26102
B142MXL288.54142
B210MXL426.72210
B362MXL735.58362
B1875MXL38101875
B65MXL132.0865
B103MXL209.3103
B144MXL292.61144
B21 2MXL430.78212
B372MXL755.9372
B464MXL942.85464
B66MXL134.1 166
B104MXL211.32104
B145MXL294.64145
B21 5MXL436.88215
B378MXL768.1378
B472MXL959.1472
B67MXL136.1467
B 105MXL213.36105
B146MXL296.67146
B216MXL438.91216
B400MXL812.8400
B498MXL1011.94498
B68MXL138.1868
B106MXL215.39106
B148MXL300.74148
B221MXL449.07221
B408MXL829.06408
B504MXL1024.13504
B70MXL142.2470
B107MXL217.42107
B149MXL302.77149
B225MXL457.2225
B424MXL861.57424
B522MXL1060.7522
B71MXL144.2771
B 108MXL219.46108
B150MXL304.8150
B228MXL463.3228
B448MXL910.34448
B523MXL1062.73523
B72MXL146.372
B1 09MXL221.49109
B151MXL306.83151
B229MXL465.33229
B453MXL920.5453
B236MXL479.55236
B73MXL148.3473
B110MXL223.52110
B152MXL308.86152
B232MXL471.42232
B463MXL940.82463
B239MXL485.65239



















































































































规格节线长齿数
规格节线长齿数
规格节线长齿数
规格节线长齿数
规格节线长齿数
规格节线长齿数
TypeLp(mm)Z
TypeLp(mm)Z
Type Lp(mm)Z
TypeLp(mm)Z
TypeLp(mm)Z
TypeLp(mm)Z
44XL111.7622
146XL370.8473
234XL594.36117
370XL939.8185
68L171.4518
263L666.7570
54XL137.1627
148XL375.9274
236XL599.44118
372XL944.88186
98L247.6526
266L676.2871
56XL142.2428
150XL38175
240XL609.6120
376XL955.04188
101L257.1827
270L685.872
60XL152.430
152XL386.0876
248XL629.92124
380XL965.2190
109L276.2329
274L695.3373
70XL177.835
154XL391.1677
250XL635125
384XL975.36192
113L285.7530
278L704.8574
76XL193.0438
156XL396.2478
256XL650.24128
390XL990.6195
124L314.3333
281L714.3875
78XL198.1239
160XL406.480
260XL660.4130
400XL1016200
131L333.3835
285L723.976
80XL203.240
162XL411.4881
262XL665.48 ,131
404XL1026.16202
135L342.936
300L76280
82XL208.2841
164XL416.5682
264XL670.56132
412XL1046.48206
143L361.9538
304L771.5381
84XL213.3642
166XL421.6483
266XL675.64133
414XL1051.56207
150L38140
31 5L800.184
88XL223.5244
168XL426.7284
270XL685 80135
420XL1066. .80210
154L390.5341
319L809.6385
90XL228.645
170XL431.885
274XL695.96137
424XL1076.96212
158L400.0542
323L819.1586
92XL233.6846
172XL436.8886
276XL701.04138
430XL1092.2215
161L409.5843
326L828.6887
94XL238.7647
174XL441.9687
280XL711.2140
432XL1097.28216
165L419.144
330L838.288
96XL243.8448
176XL447.0488
282XL716.28141
434XL1102.36217
169L428.6345
334L847.7389
98XL248.9249
178XL452.1289
284XL721.36142
450XL1143225
173L438.1546
338L857.2590
100XL25450
180XL457.290
286XL726.44143
460XL1168.4230
176L447.6847
341L866.7891
102XL259.0851
182XL462.2891
290XL736.6145
470XL1 193.80235
180L457.248
345L876.392
104XL264.1652
184XL467.3692
300XL762150
480XL1219.2240
184L466.7349
353L895.3594
106XL269.2453
188XL477.5294
304XL772.16152
490XL1244.6245
188L476.2550
360L914.496
108XL274.3254
190XL482.695
306XL777.24153
506XL1285.24253
191L485.7851
368L933.4598
110XL279.455
192XL487.6896
310XL787.4155
510XL1295.4255
195L495.352
371L942.9899
112XL284.4856
194XL492.7697
312XL792.481 56
51 4XL1305.56257
200L504.8353
375L952.5100
114XL289.5657
196XL497.8498
314XL797.56157
564XL1432.56282
203L514.3554
383L971.55102
116XL294.6458
198XL502.9299
316XL802.64158
574XL1457.96287
206L523.8855
386L981.08103
118XL299.7259
200XL508100
320XL812.8160
576XL1463.04288
210L533.456
390L990.6104
120XL304.860
202XL513.08101
326XL828.04163
580XL1473.2290
21 4L542.9357
394L1000.13105
122XL309.8861
204XL518.16102
330XL838.2165
612XL1554. 48306
218L552.4558
398L1009.65106
124XL31 4.9662
206XL523.241 03
336XL853.44168
630XL1 600.20315
221L561.9859
405L1028.7108
126XL320.0463
208XL528.32104
338XL858.52169
670XL1701.8335
225L571.560
409L1038.23109
128XL325.1264
210XL533.4105
340XL863.6170
700XL1778350
229L581.0361
413L1047.75110
130XL330.265
212XL538.48106
344XL873.76172
710XL1803.4355
233L590.5562
420L1 066.801 12
132XL335.2866
214XL543.56107
348XL883.92174
720XL1828.8360
236L600.0863
428L1085.85114
134XL340.3667
216XL548.64108
350XL889175
788XL2001.52394
240L609.664
431L1 095.38115
136XL345.4468
218XL553.72109
352XL894.08176
828XL2103.12414
244L619.1365
435L1104.9116
138XL350.5269
220XL558.8110
356XL904.24178
860XL2184.4430
248L628.6566
439L1114.43117
140XL355.670
226XL574.04113
360XL914.4180
1032XL2621.28516
251L638.1867
443L1123.95118
142XL360.6871
228XL579.12114
362XL919.48181
1300XL3302650
255L647.768
450L1 143.00120
144XL365.7672
230XL584.2115
364XL924.56182
1494XL3794.76747
259L657.2369
454L1152.53121



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Belt nomenclature

1 Single-sided Belt

General

Synchronous belts are identified by a standard number. The first digits specify the pitch length whichfor the XL and larger pitch belts contained in this standard is the calculated pitch length in inches (thepitch length inmillimetres divided by 25,4) times 10 rounded off to the nearest whole integer. For MXLand XXL belts, it is the calculated pitch in inches (the pitch length in millimetres divided by 25,4) times10 rounded off to the nearest tenth. The pitch length is followed by the profiles designation. The digitsfollowing the profile designation represent the nominal belt width in inches times 100 rounded off tothe nearest 3 digits.

EXAMPLE  An L section synchronous belt of 762 mm (30,000 in) pitch length and 19,1 mm (0,750 in) widthis designated: 300L075 , An MXL section synchronous belt of 102 teeth corresponding to a pitch length of 207,26 mm (8,16 in)and 6,35 mm (0,25 in) width is designated: 816MXL025

Alternate method for MXL and XXL belts

The belt in accordance with this International Standard may be designated by the following:

a) letter B (for belt); b) number of teeth; c) profile; d) width designation, in millimetres, rounded to the nearest tenth.

EXAMPLE An MXL section synchronous belt of 102 teeth and 6,35 mm width is designated: B 102MXL6.4

2 Double-sided belts

Type A - symmetrical

A belt of Type A, corresponding to Figure 2, shall be designated by the following:

a) letter D (for double-sided)   b) type designation  c) length designation d) profile e) width designation.

EXAMPLE  A Type A synchronous belt of pitch length 42 in (1 066,8 mm), pitch 0,375 in (9,525 mm) andnominal width 0,5 in (12,7 mm) is designated: DA 420 L 050

Type B - staggered

The belt designation for Type B belts corresponding Figure 1 c) is similar to 4.2.1 except that a Breplaces the A.

EXAMPLE A Type B synchronous belt of pitch length 98 in (2 489,2 mm), pitch 0,875 in (22,225 mm) andnominal width 2 in (50,8 mm) is designated: DB 980 XH 200