E-star

Rubber belt

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SHANGHAI E-STAR GROUP LTD.

No.555 HexiaRd., Shanghai 265300, P.R. China.

E-mail: sales@estargroup-china.com

TEL:+86-21-51061259

FAX:+86-21-61924106

www.estargroup-china.com

 

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Pully

Pully

Pully
For model can reference t single-sided timing belt 1. General must according to drawing production, also can according to the standard mass production. 2. For 45 # steel 、alloy 、cast iron 、nylon and so on the different materials Material selection general with carbon steel is given priority to, also can according to customer’s require the 3. materials and characteristic use of aluminum alloy copper nylon materials processing; Belt wheel diameter such as more than 250 mm, generally uses the cast iron material.

Detailed

 

Pulley

TYPE SUPPLY CHARACTERISTIC
For model can reference t single-sided timing belt 1. General must according to drawing production, also can according to the standard mass production.
2. For 45 # steel 、alloy 、cast iron 、nylon and so on the different materials

 

 


Arc tooth Timing tooth


Type pb hg R r1 s 齿形角
3M 3 1.28 0.91 0.26~0.35 1.90 0.762 ≈14°
5M 5 2.16 1.56 0.48~0.52 3.25 1.144 ≈14°
8M 8 3.54 2.57 0.78~0.84 5.35 1.372 ≈14°
14M 14 6.20 4.65 1.36~1.50 9.80 2.794 ≈14°
20M 20 8.60 6.84 1.95~2.25

14.80

4.320 ≈14°

Dimension of linear type pulley


Type MXL XXL XL L H XH XXH
bw 0.84±0.05 1.14±0.05 1.32±0.05 3.05±0.10 4.19±0.13 7.90±0.15 12.17±0.18
hg 0.69 0 0.84 0 1.65 0 2.67 0 3.05 0 7.14 0 10.31 0
-0.05 -0.05 -0.08 -0.10 -0.13 -0.13 -0.13
Φ+1.5° 20 25 25 20 20 20 20
rb 0.35 0.35 0.41 1.19 1.60 1.98 3.96
rt 0.13 +0.05 0.30 +0.05 0.64 +0.05 1.17 +0.13 1.60 +0.13 2.39 +0.13 3.18 +0.13
0 0 0 0 0 0 0
0.508 0.508 0.508 0.762 1.372 2.794 3.048




Example of mark

 

1、Pulley Types

 

AS Type BS Type AF Type BF Type W Type

2、Dimension, Tolerances & Technical Parameters

Dimension & Tolerance of Linear Type Pulley (mm)



Type bw hg

Ψ+1.5°

rb rt Details
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 25 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  


Dimension of T Type Pulley (mm)

Code

Type Type y
grad
rb rt 2a Details
S E
br
N
br
S E
hg
N
hg
 

Devia -tion

  Devia -tion   Devia -tion mix ±.15° max   Devia -tion  
T2.5 1.75 +0.050 1.83 +0.050 0.75 +0.050 1 25 0.2 0.3 +0.050 0.6  
T5 2.96 +0.050 3.32 +0.050 1.25 +0.050 1.95 25 0.4 0.6 +0.050 1  
T10 6.02 +0.10 6.57 +0.10 2.6 +0.10 3.4 25 0.6 0.8 +0.10 2  
T20 11.65 +0.150 12.6 +0.150 5.2 +0.130 6 25 0.8 1.2 +0.10 3  

Dimension of HTD Type Pulley (mm)

Tyep PB HT R S R Angle Details
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°  

 

 

3、Dimension of Pulley Tooth Flank Width

 

Type Belt width Min.width of pulley
Code Belt width Double capped edge pulley Single capped edge pulley No capped edge pulley
MXL 012 3.0 4 5 6
019 4.8 5.8 6.8 7.8
025 6.4 7.5 8.5 9.5
XL 025 6.4 7.5 8.5 9.5
031 7.9 9 10 11
037 9.5 11 12 13
L 050 12.7 14 15.5 17
075 19.1 21 22 24
100 25.4 27 28.5 30
H 075 19.1 21 23 25
100 25.4 27 29 31
150 38.1 40 42 44
200 50.8 53 55 58
XH 200 50.8 57 60 63
300 76.2 84 87 90
400 101.6 111 114 117
XXH 200 50.8 57 61 64
300 76.2 84 88 92
400 101.6 111 115 118
500 127.0 138 142 145
T2.5 4 4 6 7 8
6 6 8 9 10
10 10 12 13 14
T5 AT5 6 6 8 9 11
10 10 12 13 15
16 16 18 20 22
25 25 27 29 31
T10

AT10
16 16 18 22 24
25 25 27 30 33
32 32 34 37 40
50 50 53 56 59
T20

AT20
32 32 35 38 40
50 50 53 56 60
75 75 78 81 85
100 100 105 108 112
3M S3M 6 6 9 10 11
9 9 12 13 14
15 15 18 19 20
5M
S4.5M S5M
9 9 12 13 14
15 15 18 19 20
25 25 28 29 30
30 30 34 36 38
8M S8M 30 30 34 36 38
40 40 44 46 48
50 50 54 56 58
85 85 90 92 94
14M

S14M

55 55 65 68 70
85 85 95 99 102
115 115 126 130 133
170 170 180 183 187
20M 70 70 80 84 89
85 85 96 100 104
115 115 127 131 134
170 170 182 185 190
230 230 245 248 254
290 290 295 300 310
340 340 355 360 370

 

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