How to select timing belt or confirm the model of my belt ?

  (Only Just for Standard timing belt)

1. Confirm the teeth Tpye of timing belt

1.1  The best way is to check  the number near the logo from your old belt ,eg. 

How to select timing belt

1.2 If  no label on the belt ,please ask your machine supplier .

2.Confirm the width of timing belt

Measure the width of belt by Vernier Caliper or Steel Rulers, or measure teeth width of synchronous pulley

How to select timing belt-2

3.Confirm the length of timing belt

Method 1. Same to step 1 , Find old belt’s character, Number and feel free to contact with us

Method2. Encircle of belt’s outer perimeter with a string, and test the length of string,Not precise enough.

4. Confirm the material.

Rubber or PU (ployurethane), Fiberglass or steel or kevlar core.

5. If those strategies don‘t help, you have to do it by yourself.

Please refer to the picture below ,and Check the label on the pulley to confirm the type of pulley (Eg. HTD), ,  measur the  perimeter, count the tooth number, you can calculate the value of picth ( P in the picture, and reference The bottom premeter diagram).

How to select timing belt

 

T Type industrial rubber timing belt
Dimension
Type Pitch Tooth height ht(mm) Belt thickness hs(mm) Angleβ° Details
Pb (mm)
MXL 2.032 0.51 1.14 40
XL 5.08 1.27 2.3 50
L 9.525 1.91 3.6 40
H 12.7 2.29 4.3 40
XH 22.225 6.35 11.2 40
XXH 31.75 9.53 15.7 40
T5 5 1.2 2.2 40
T10 10 2.5 4.5 40
T20 20 5 8 40
AT5 5 1.2 2.7 50
AT10 10 2.5 5 50
AT20 20 5 8 50
Arc tooth industrial rubber timing belt
Dimension
Gear code Type Pitch Pb (mm) Tooth height ht(mm) Belt thicknes hs(mm) Details
HTD 3M 3 1.17 2.4
5M 5 2.06 3.8
8M 8 3.36 6
14M 14 6.02 10
STPD/STS S3M 3 1.14 1.9
S4.5M 4.5 1.71 2.81
S5M 5 1.91 3.4
S8M 8 3.05 5.3
S14M 14 5.3 10.2
RPP/HPPD 3M 3 1.15 1.9
5M 5 1.95 3.5
8M 8 3.2 5.5
14M 14 6 10
RHP 8M 8 3.2 5
14M 14 6 10

If  you  still have no idea ,Pls send the picture to us (email: sales@vbeltoutlet.com).

Helpful links :

Timing blet : https://en.wikipedia.org/wiki/Timing_belt

Timing belt (camshaft): https://en.wikipedia.org/wiki/Timing_belt_(camshaft)

Toothed Belt: https://en.wikipedia.org/wiki/Toothed_belt