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V-BELTS  
 
 
V-BELTS
 
Contitech Make V Belts
 
Contitech Make V Belts Contitech Make V Belts
   
 

CONTITECH INDIA P LTD, GERMANY global brand of Roulunds Fabriker , Denmark was introduced successfully in the Indian market in January 1998. The success of Contitech has a solid Foundation: Years of research at Roulunds Fabriker, Contitech, extremely selective approach to raw material purchase, strict control on process and the most Contemporary production machines and technology. This helps in production of V-belts to a high standard and operation problems are eliminated. Contitech belts give long life on machines, reduce cost and maintenance requirements and improve machine up times. 
Conti Tech India Contitech V-Belts.

 
PULLEYS :
SPECIAL MAINTANENCE ELECTRODES
V pulley are manufactured mainly from cast iron and should to IS 3142 and BS 3790.
 
V-belts section IS: 2494 and BS 3790 Designation      Z     A     B    C     D      E
Wedge Belt section 
BS 3790 & DIN 7753, Part-1, Designation
   SPZ    SPA    SPB    SPC    
Wd    8.5    11         14    19     27     32
We    9.7    12.7  16.3    22     32     38
b (min.)      2      2.8    3.5   4.8    8.1     12 
e 12±0.3 15±0.3 19±0.4 25.5±0.5 37±0.6 44.5±0.7
f 8±0.6 10±0.3 12.5±0.8 17±1 24±2 29±2
(b + h) 11+0.614 14+0.6 18+0.6 24+0.6 28+0.6 33+ 0.6
    34°
36° for pulley pitch diameter dp
    38°
< 80
-
>80
< 118
-
>118
< 190
-
>190
< 315
-
>315
-
<500
>500
-
<600
>600
Groove angle tolerance for ± 30'            
Pulley face width b number for belts z, b  = (z – 1) e  + 2f            
 
SELECTION OF PULLEYS :
For pulley selection, observe the following rules:

Use Standard pulley diameter: Choice of standard pulley diameter helps in reduced cost easy availability.

Balanced pulleys: V pulleys should always be statically balanced. For drives where belt speeds exceed 30 m/s, PULLEY NEED TO BE DYNAMICALLY BALANCED.

Avoid using pulleys with diameter lower than minimum recommended :
Use of pulley diameter below minimum recommended for a section increase bending stress and greatly reduces belt services life.

MINIMUM RECOMMENDED PULLEY DIAMETERS (dp) :
 
Section SPZ / 3V SPA SPB/5V SPC A B C D E
CONTITECH INDIA Roflex TS 63 90 140 224 63 100 160> 280 450
CONTITECH INDIA Roflex-X / Roflex RE-X 50 63 100 - 50 80 140 - -
 
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Wrapped V Belts

Wrapped V-belts for demanding drives in all sectors of machine engineering, classic according to DIN 2215, narrow according to DIN 7753

 
Properties:
  • conditionally resistant to oil
  • temperature range from -55°C to +70°C
  • electrically conductive to ISO 1813
  • dust-proof
  • suitable for tropical climates
 
 
Wrapped V Belts
 
Wrapped V Belts
 
classic narrow
Profile Length range Li (mm)
10/Z 425 - 2500
13/A 457 - 6305
17/B 584 - 9525
20/- 900 - 8000
22/C 1041 - 13208
25/- 1300 - 9000
32/D 2000 - 13208
40/E 4000 - 13208
Profile Length range Ld (mm)
SPZ / 3V / 9N 512 - 3550
SPA 732 - 5000
SPB / 5V / 15N 1250 - 8000
19 1400 - 4475
SPC 2185 - 16500
8V / 25N 4318 - 12700
 
Wrapped V Belts Wrapped V Belts
 
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Wedge Belts

Heavy-duty V-belt with reinforced PE tensile member of different types for controlled slip and noiseless clutch engagement

 
Properties:
  • temperature range from -30°C to +90°C
  • suitable by high impact loads
  • suitable by counterbending
  • suitable for clutches
Wedge Belts
 
Wedge Belts
 
classic narrow
Profile
10/Z
13/A
17/B
Profile
SPZ
SPA
SPB
SPC
 
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Ra Wedge Belts

Ra Wedge V-belts for demanding drives, according to DIN 2215

 
Properties:
  • temperature range from -30°C to +70°C
  • electrically conductive to ISO 1813,
  • conductivity beyond 3500 mm electrically conductive after testing
  • dust-proof
  • suitable for tropical climates
Ra Wedge Belts
 
Ra Wedge Belts
 
Ra Wedge Belts
 
Profile Length range Li (mm)
5/- 160 - 850
6/Y 240 - 900
8/- 160 - 1115
Profile Length range Ld (mm)
ZX 505 - 2105
AX 513 - 2697
BX 703 - 3091
CX 1132 - 3062
 
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Trikampura, G.I.D.C. Vatva,
Ahmedabad - 382445
 
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Phone : +91-79 - 2589 2870 / 2589 5840
Mobile : +91 - 93270 35840
 
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website :  www.smarhling.com
   

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