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ACTIVITIES

RANGE OF SPRINGS:

Parameter

Minimum

Maximum

Wire Dia (mm)

16.0

53.5

Spring Free Height (mm)

123.0

877.0

Spring Outer Dia (mm)

86.0

450.0

Spring Inner Dia (mm)

54.0

343.0

Weight (Kg./Spring)

3.8

171.2

RAW MATERIAL:

Raw material of the following specifications is being used for manufacture of various types of hot coiled springs at RSK

Specification

Bar Range

52Cr4Mo2V

For larger dia bars above 33 mm.

60Si7

For smaller dia bars below 33 mm up to 16 mm.

Operations carried out during Manufacture of Hot coiled Springs

 

·End Tapering

·Coiling

·Tempering

·End Grinding

·Shot Peening

·Scragging

·Load testing

·Primer & Black Painting

EXISTING BAR HEATING FURNACE

 

New Spring Coiling Machine

 

 

 

 

 

 

 

 

NEW BAR HEATING FURNACE (FIAT PROJECT)

NEW QUENCHING MACHINE (FIAT PROJECT)

NEW TEMPERING FURNACE (FIAT PROJECT)

NEW COMPRESSOR SHED (MW COMPLEX)

 




Source : North Central Railways / Indian Railways Portal CMS Team Last Reviewed on: 09-04-2012  


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