Name of Work:- De-shelling & Re-shelling, of old Mill Rollers for the crushing season, 2026-27
Sl. No.
Item Description
1
De-shelling, Re-shelling, Shrink fitting of shell on shaft, grooving cutting of chevron grooves, bearing journal polishing and ultrasonic testing of Mill Roller shafts as per below mentioned detailsMaterial of shell : Cast Iron : IS : 11201-1985 Hardness : 180-210 BHNMaterial of Nozzle : Gun Metal (for Semi-coach rollers)
2
Semi couch Top Roller for 2nd and 3rd Mill having 50 mm pitch, 50o angle and 43 mm depth. Roller shell size:- OD – 1000 mm x 1980 mm longDetail drawing No. : SCSM-NP-25 REV-‘1’ (Grooving purpose) SCSM/MILLS-66 Rev – ‘4’ (Shelling purpose)
3
Semi couch Discharge Roller for 2nd and 3rd Mill having 50 mm pitch, 50o angle and 48 mm depth. Roller shell size:- OD – 1000 mm x 1980 mm longDetail drawing No. : SCSM-NP-25 REV-‘1’ (Grooving purpose) SCSM/NP-06 (Modified), Rev-01 (Shelling purpose)
4
Discharge Roller for 2nd and 3rd Mill having 50 mm Pitch, 45o angle and 48 mm depth. Roller shell size:- 1000 mm x 1980 mm long Detail drawing No. : SCSM-NP-25 REV-‘1’ (Grooving purpose) SCSM/NP-06 Rev-‘01’ (Shelling purpose)
5
Semi coach Top Roller for 1st & 4th Mill (Semi Couch) having 45 mm Pitch, 45o angle and 49.7 mm depth. Roller shell size:- 1025 mm x 1980 mm longDetail drawing No. : SCSM-MILLS-216, SCSM-MILLS-219
6
Bottom Roller for 1st & 4th Mill having 45 mm Pitch, 40o angle and 45.3 mm depth. Roller shell size :- 1140 mm x 1980 mm long Detail drawing No. : SCSM-MILLS-217, SCSM-MILLS-218 Please Enable Macros to View BoQ information
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