E-Tender For Mill Roller De-Shelling Re-Shelling, morinda-Punjab

E-Tender For Mill Roller De-Shelling Re-Shelling- 1 The Morinda Coop. Sugar Mill 2 De-shelling and Re-shelling of mills 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 BHNa)Shell to be hot shrunk fitted on shaft through its lengthb) Ultrasonic crack detection to be done and certificate to be enclosed with the billc) 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 3 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 BHNa) Shell to be hot shrunk fitted on shaft through its lengthb) Ultrasonic crack detection to be done and certificate to be enclosed with the billc) 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 4 Machining of Zira Sugar Mill roller shaft as per drawing No CE-8686-2. (Journal & Square End) 5 Machining of Mill Roller shaft as per our drive No CE-8686-2. 6 Re-grooving of 50 mm pitch mill roller 7 Re-grooving of 25 mm pitch mill roller 8 Keyway cutting of mill roller 9 New juice ring of mill roller as per existing size & design 10 The Ajnala Coop. Sugar Mill 11 DESHELLING, RESHELLING AND GROOVING OF CONVENTIONAL MILL ROLLER AS PER DRG. NO. ACSM-5R1SPECIFICATION:New C.I shell to be shrinked on the roller shaft, shell size 920mm X1700mm material of shell to be coarse grain cast iron confirming to IS 11202-1985 with following compositions:-Total carbon 3.2 to 3.6%Sulphur 0.15%Phosphorus 0.5%Manganes 2.2 to 3.5%Silicone1.2 to 2.2%Roller shall be of coarse grain cast iron having hardness 180 to 210BHNTerms & conditions: -a) Qnty. can be increased/decreased while placing the order.b) Party shall provide test certificates for material.c) Ultrasonic testing of shaft and its report. 12 The Fazilka Coop. Sugar Mill 13 Re-shelling & grooving of Mill Dishcharge roller after de-shelling of old roller shaft.Shell size-Dia-840mm x 1525mm long, shrunk fitted course grainCI hardness 180-210BHNMaterial composition-C-3.2 to 3.6%Mn-2.2 to 3.2%SI-1.2 to 2.2%S-0.15 to 0.20%P-0.5% MaxAlongwith ultrasonic test report of shaft 14 Re-shelling & grooving of Mill Feed roller after de-shelling of old roller shaft.Shell size-Dia-840mm x 1525mm long, shrunk fitted course grainCI hardness 180-210BHNMaterial composition-C-3.2 to 3.6%Mn-2.2 to 3.2%SI-1.2 to 2.2%S-0.15 to 0.20%P-0.5% MaxAlongwith ultrasonic test report of shaft 15 Re-shelling & grooving of Mill Top roller after de-shelling of old roller shaft.Shell size-Dia-840mm x 1525mm long, shrunk fitted course grainCI hardness 180-210BHNMaterial composition-C-3.2 to 3.6%Mn-2.2 to 3.2%SI-1.2 to 2.2%S-0.15 to 0.20%P-0.5% MaxAlongwith ultrasonic test report of shaft 16 The BudhewalCoop. Sugar Mill 17 De-shelling & re-shelling of mills rollers Size:-840/ 830 X 1530mmDetail as per size: - Ø 840/ 830 mm X 1525 mm.Material to shell to be coarse grain castiron conforming toIS 11202 -1985 with following compositions :-Total carbon : 3.2 to 3.6%Sulphur : 0.15 % max Phosphorus : 0.5 % maxManganese :-2.2 % to 3.2%Silicon 1.2% to 2.2 %Rollers shall be of coarse grain cast Iron having hardness 180-210 BHN 18 The Nawanshahr Coop. Sugar Mill 19 A) Reshelling and grooving of Mill Discharge Rollers having shell dia 835 mm x 1500 mm long. The shell material shall be Carbon 3.20 to 3.60% Mn 2.2 to 305%. Silicon 1.2% to 2.2% Phosphorus 0.5% Max. Duly Ultrasonic tested and grooved. Grooving Drg. Will be senr to you with Rooler. the hardness of C.I.Roller should be 180-200 BHN.Mill No. 2 grooving pitch = 50 mm 20 Mill No. 3 grooving pitch = 25 mm 21 B) Reshelling and grooving of Mill Feed Rollers having shell dia 835 mm x 1500 mm long. The shell material shall be Carbon 3.20 to 3.60% Mn 2.2 to 305%. Silicon 1.2% to 2.2% Phosphorus 0.5% Max. Duly Ultrasonic tested and grooved. Grooving Drg. Will be senr to you with Rooler. the hardness of C.I.Roller should be 180-200 BHN.Mill No. 2 grooving pitch = 50 mm 22 Mill No. 3 grooving pitch = 25 mm 23 C) Reshelling and grooving of Mill Top Rollers having shell dia 835 mm x 1500 mm long. The shell material shall be Carbon 3.20 to 3.60% Mn 2.2 to 305%. Silicon 1.2% to 2.2% Phosphorus 0.5% Max. Duly Ultrasonic tested and grooved. Grooving Drg. Will be senr to you with Rooler. the hardness of C.I.Roller should be 180-200 BHN.Mill No. 2 grooving pitch = 25 mm 24 Mill No. 3 grooving pitch = 25 mm 25 D) Reshelling and grooving of Mill Top Rollers (Semii couch type) having shell dia 835 mm x 1500 mm long. The shell material shall be Carbon 3.20 to 3.60% Mn 2.2 to 305%. Silicon 1.2% to 2.2% Phosphorus 0.5% Max. Duly Ultrasonic tested and grooved. Grooving Drg. Will be senr to you with Rooler. the hardness of C.I.Roller should be 180-200 BHN.Mill No. 1 grooving pitch = 50 mm, No. of holes 1008 26 The Bhogpur Coop. Sugar Mill 27 De shelling,Re shelling and grooving of mill roller,material of shell to be of coarse grain cast iron having hardness 180-210 BHN composition of shell should confirm to IS:11201:1985 specification and composition of material will be as under:sulphur - 0.15% max. carbon - 3.2 to 3.6% Magnese - 2.2 to 3.3.%Silicon - 1.2 to 2.2.%Phosphorus - 0.5% max.size of rollers – 920 mm X 1700 mm long 28 The Nakodar Coop. Sugar Mill 29 Size 840 mm Dia x 1525 mm Length (Pitch 25 mm) De-shelling of old mill roller shaft and re-shelling should be shrink fitted on shaft after proper ultrsonic test against any crack with CI coarse grained non-polishing shell having BHN 180/200 and grooving of ro;;er as per drawings. Material of shell confirming to IS: 11202-1985 with following composition. total Carbon: 3.2%-3.6%; Sulphur: 0.15% max., Phosphorus: 0.5% Max; Manganese: 2.2%-3.2%; Silicon: 1.2%-2.2% 30 Size 840 mm Dia x 1525 mm Length (Pitch 50 mm) De-shelling of old mill roller shaft and re-shelling should be shrink fitted on shaft after proper ultrsonic test against any crack with CI coarse grained non-polishing shell having BHN 180/200 and grooving of ro;;er as per drawings. Material of shell confirming to IS: 11202-1985 with following composition. total Carbon: 3.2%-3.6%; Sulphur: 0.15% max., Phosphorus: 0.5% Max; Manganese: 2.2%-3.2%; Silicon: 1.2%-2.2%

INR 100 /-

Refer document