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Method Of V-Belt Tensioning In Reciprocating Air Compressor.
By Prasanna Sutrave
The method of V-Belt tensioning may be same for all Belt Driven Air Compressors but I will cover the most useful method for Air Compressor which have a Capacity of 100 C.F.M. and above. Installation of V-Belts. In Assembling the Drive,the Electric Motor or Prime Mover should be moved towards the Air Compressor Beltwheel.By this way you can put the V-Belts in their respective Grooves by hands.The allowance must be available for adjustment of Centre Distance. Under no circumstances should V-Belts be forced on to the Pulley with Crowbars,Wedges,Screw Driver or any other type of implement.Such procedure would tend to cause rupture to outside jacket or inside cords. It is possible for the inside load carrying cords to be broken by forcing over the Grooves,such V-belt will fail completely during the first few hours of running of Air compressor. When V-belts have been placed on BeltWheel and Pulley Grooves,the Electric Motor or Prime Mover should then be,moved away from the Compressor,untill to apply uniform tension to the V-Belts. Methods of V-Belt Tensioning. 01)Multiply the Centre Distance in between the Compressor BeltWheel and Electric Motor Pulley(in Meter) by 16 to obtain the Deflection Distance in mm. 02)Set the Lower Marking Ring at the Deflection Distance required in mm on the Lower Scale of Belt Tension Indicator. 03)Set the Upper Marker Ring against the bottom edge of the top tube. 04)Place the Belt Tension Indicator on top of the Belt at the Centre of Spam,and apply a Force at Right Angle to the Belt Deflecting it to the point where the Lower marker Ring is level with the top of the adjacent by the top edge. 05)Read off the Force Value indicated by the top edge of the Upper Marking Ring. 06)Compare this Force Value to the Kgf Value in the Standard Table which is provided with Belt Tension Indicator.If the measure Force falls within the Value
given the Drive should be satisfactory. 07)A Measured Force below the Lower Value indicates under Tensioning. 08)A new Drive should be tensioned to the Higher Value to allow for the normal drop in Tension during the running period of Air Compressor. 09)Run the Compressor under Load for 30 minutes,stop the Compressor,check the Tension,re-setting to the required value,if necessary. 10)After the Air Compressor has been running for few days the V-Belts will have seated in the Grooves and the V-belts Tension should be rechecked.1Make adequate provision for tensioning the Belts during the Life. For more,please visit
http://www.pnengineering.blogspot.com/
This intel first appeared on: http://pnengineering.blogspot.com
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The copyright for this content entitled "Method Of V-Belt Tensioning In Reciprocating Air Compressor." has been specified by the contributor as:
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This intel was contributed by prasanna
prasanna
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May, 2012
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