Mill Roller De-shelling Re-shelling

De-shelling and Re-shelling of mill's old roller shaft of BW mills shrunk fitted on old shaft. Material of shell to be coarse grain cast iron confirming to IS:11202 -1985 with following specifications: Total carbon : 3.2%-3.6% Sulphur : 0.15% max. Phosphorus : 0.5% max. Manganese : 2.2% - 3.2% Silicon : 1.2% - 2.2% Roller shell be coarse grain cast iron having hardness 180-210 BHN a) Shell to be hot shrunk fitted on shaft through its length b) Ultrasonic crack detection to be done and certificate to be enclosed with the bill c) Grooving of shell to be done as per drawing. d) Roller shell size 835 mm dia x 1524 mm long. As per drg. No CE-8686-2 and CE-8688-2

De-shelling and Re-shelling of our existing roller and its conversion into Semi-Couch type, top mill roller, size 835 OD x 1524 mm, along with grooving of old mill roller shaft of BW mills shrunk fitted on old shaft. Material of shell to be coarse grain cast iron confirming to IS:11202 -1985 with following specifications: Total carbon : 3.2%-3.6% Sulphur : 0.15% max. Phosphorus : 0.5% max. Manganese : 2.2% - 3.2% Silicon : 1.2% - 2.2% Roller shell be coarse grain cast iron having hardness 180-210 BHN a) Shell to be hot shrunk fitted on shaft through its length b) Ultrasonic crack detection to be done and certificate to be enclosed with the bill c) Grooving of shell to be done as per drawing. d) Roller shell, size 835 mm dia x 1524 mm long. As per drg. No CE-8686-2 and CE-8688-2

Machining of Forged steel shaft bloom as per our drawing No CE-8686-2.

Re-grooving of 50 mm pitch mill roller

Re-grooving of 25 mm pitch mill roller

Keyway cutting of mill roller

New juice ring of mill roller as per existing size & design

De-shelling, Re-shelling and Grooving as Semi Couch MILL ROLLER (Top) (Shell Size – 920 Dia x 1700 mm) No. of Nozzles – 1440 Side hole Dia 45 mm (12 Nos.)