customized carbon steel synchronous belt wheel pulley gear

Short Description:

1, The belt wheel we produce can match with the synchronous belt of different kinds from domestic and abroad.

2, Please provide with drawing for customization. It is not necessary to conclude the size and shape of tooth. We can also provide the drawing according to the required model, holes, keyway, width etc.

3, The tolerance of outer diameter, face run-out, radial run-out shall conform to the listed requirement in the table below.

4, The material of the of the wheel is mainly carbon steel. Special requirements such as aluminum alloy or nylon type are also available. The diameter above 250 mm, shall use case iron.






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Different structures

外型图

Wheel tolerances

Belt wheel pitch tolerance

Outer diameter Allowed tolerance
Between each tooth 90 degree arc tolerance
≤25.40 0.03 0.05
25.40~50.80 0.03 0.08
50.80~101.60 0.03 0.10
101.60~117.80 0.03 0.13
117.80~304.80 0.03 0.15
304.80~508.00 0.03 0.18
>508.00 0.03 0.20

 

Belt wheel outer diameter tolerance   Belt wheel face run-out tolerance
Outer diameter Tolerance Outer diameter Tolerance
≤25.40 +0.05 ≤101.61 0.10
25.40~50.80 +0.08 101.61~254.00 outer dia.×0.001
50.80~101.60 +0.10 >254.00 0.25+[(o.d.-254)×0.005]
101.60~117.80 +0.13 Radical run-out tolerance
117.80~304.80 +0.15 ≤203.20 0.13
304.80~508.00 +0.18 >203.20 0.13+[(o.d.-203.2)×0.005]

Tooth tolerances

 

齿轮1 Belt wheel with straight edge tooth size and tolerances
Code bw hg y+1.5° rb rt 2k
MXL 0.84±0.05 0.69 20 0.35 0.13 0.508
XXL 1.14±0.05 0.84 25 0.35 0.30 0.508
XL 1.32±0.05 1.65 20 0.41 0.64 0.508
L 3.05±0.10 2.67 20 1.19 1.17 0.762
H 4.19±0.13 3.05 20 1.60 1.6 1.372
XH 7.90±0.15 7.14 20 1.98 2.39 2.794
XXH 12.17±0.18 10.31 20 3.96 3.18 3.048

 

齿轮1 HTD belt wheel size and tolerances
Code  Pitch Tooth height hg Bottom circle radius R Tooth space  width S Top circle radius r Angle
3M 3 1.28 0.91 1.90 0.3 ≈14°
5M 5 2.16 1.56 3.25 0.48 ≈14°
8M 8 3.54 2.57 5.35 0.8 ≈14°
14M 14 6.20 4.65 9.80 1.4 ≈14°

 

齿轮1 Belt wheel with T type tooth size and tolerances
Code Shape y Grade rt rb 2k
SE br≤20 teeth N br≤20 teeth SE hg≤20 teeth N hg≤20 teeth min ±1.5° max
T2.5 1.75+0.05 1.83+0.05 0.75+0.05 1 25 0.2 0.3+0.05 0.6
T5 2.96+0.05 3.32+0.05 1.25+0.05 1.95 25 0.4 0.6+0.05 0.85
T10 6.02+0.10 6.57+0.10 2.6+0.10 3.4 25 0.6 0.8+0.10 1.85
T20 11.65+0.15 12.6+0.15 5.2+0.13 6 25 0.8 1.2+0.10 2.83

 

齿轮1 STPD/STS belt wheel size and tolerances
Code Pitch Tooth height hg Bottom circle radius R Tooth space width S 2k
S2M 2 0.76 1.325 1.30 0.508
S3M 3 1.11 1.975 1.95 0.762
S4.5M 4.5 1.59 2.98 2.93 0.762
S5M 5 1.89 3.275 3.25 0.96
S8M 8 2.83 5.30 5.20 1.372
S14M 14 4.95 9.28 9.10 2.794

Representation of synchronous wheel

带轮2-01  Representation gear with trapezium tooth
 带轮1-01  Representation of gear with circular arc tooth
 带轮3-01  Representation of gear with Germany T shape tooth

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