Modified Buffer face plate

Corrosion in Support ChannelBackground:

Buffer face plate wears out frequently and spindle rod rotates freely. Cases of buffer casing /socket crack are very high.

 

Description:

Specification No. ICF/MD/Spec. 252 is issued in line with specification for axle box housing in Aug.13 with the following salient features:

  1. Material has been upgraded to IS 1030-98: 230-450W which has higher mechanical properties   

  2. Radiography test on 10% of buffers of each batch offered for inspection

  3. Ultrasonic test on 100% of  buffers of each batch offered for inspection

  4. Destructive test on 2% of  buffers of each batch offered for inspection to examine casting defects like porosity, blow holes, shrinkage, slag inclusion etc.

Implementation Status at ICF:

Implemented from 2014 onwards.