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Vee belts/ Link Belt/ T. Belts

 

 

  • V-Belts

V-belts, or Vee belts, are typically used for light-duty power equipment and appliances. V-belts fit in a deep, Vee-shaped groove inside of the pulley wheels, and provide high-traction power.

Vee belts are generally manufactured from a core of high tensile cord in a synthetic rubber matrix enclosed in a fabric reinforce rubber lining.   The vee belt sections and the pulley groove dimensions are in accordance with British /European standards. 

Wedge belt drive
Relevant British Standard:
BS 3790:1995 ..Specification for endless wedge belt drives and endless V-belt drives 
This standard refers to four belt sizes designated SPZ,SPA,SPB,and SPC.   The vee belt cross section are shown below.


Section

Pitch Width

Nom Top width

Nom height

Min. Dia

Mass/m**

mm

mm

mm

mm

kg/m

SPZ

8,5

9,5

8,0

67

0,073

SPA

11,5

13,0

10,0

100

0,129

SPB

14

16,0

14,0

160

0,18-0.203

SPC

19

22,0

18,0

224

0,33-0,412

The power transmission rating of a vee belt drive is based on the belts used, the number of belts, the angle of wrap of the belt on the smallest pulley,and the rotational speed of the pulleys. The rating required is selected as the product of the design load and an appropriate service factor.

Link Belts

Vibration can be more than a mere annoyance for many tools. It can reduce accuracy, roughen cut surfaces, and increase noise levels. "Vibration free" link belts are formed from interlocking segments that twist together. Their link structure can dampen vibration from other sources, such as unbalanced pulleys. They are more durable than standard v-belts and they are easier to install and remove.

More Information:

  • V-Link Belts

V-link belts are similar to traditional V-belts, but are open-ended and don't require the use of metal fasteners. V-link belts are typically used when obstructions make it difficult to reach the drive belt. This type of drive belt tends to be expensive and has a limited load capacity.

  • Flat Belts

Flat belts are light-weight drive belts that can handle high speeds. This type of drive belt has a tendency to slip because there is less traction.

  • Timing Belts

Timing belts, sometimes called synchronous belts, are generally used in low-power applications. Timing belts have teeth on the inside and do not depend on friction. Timing belts have a more limited power capacity than other types of drive belts

 
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