Repairing of Gear box of Elecon make Feeder Breaker No-2 installed at Potanga under Urimari OCP.

Amount

A.)Fabrication of double helical input pinion:35 teeth-01no Cost of teak wood for making pattern of 35 teeth double helical input pinion. Cost includes teak wood and making charges by pattern maker carpenter

Cost of heat resisting 2707gr. 1 casting for making pinion, rough casting weight- 88KG

Cost of complete machining of 35 teeth input pinion with O/D turning, both side facing, boring etc. as per requirement and measurement on lathe machine.

Cost of Key way making size-22mm x 6 mm as per requirement and measurement.

Cost of complete drilling and tapping work on pinion as per proper D.C.D and specification

Cost of teeth cutting spiral teeth double helical, specification of teeth DP- 4 Pitch, Q 8.75", Pitch-0.7854", Outside Q9 3358", Angle 25-30 degree on hobbing machine, No of teeth-35

Cost of complete grinding, polish as per proper specification by surface grinding machine

Cost of capping on teeth- 35 nos with grinding paste as per proper way to smooth running as per specification

Cost of hardening of pinion as per heat treatment with case hardening (30PHN hardness) as per requirement-88Kg

Cost of balancing of pinion as per proper way and specification

B.)Fabrication of double helical output pinion:125 teeth-01no Cost of teak wood for making pattern of 125 teeth double helical output pinion. Cost includes teak wood and making charges by pattern maker carpenter

Cost of heat resisting 2707gr. 1 casting for making pinion, rough casting weight- 312KG

Cost of complete machining of 125 teeth output pinion with all over machining, turning, both side facing, boring , making length maintaining etc. as per requirement and measurement on lathe machine

Cost of Key way making size-26mm x 12 mm as per requirement and measurement.

Cost of complete drilling and tapping work on pinion as per proper D.C.D and measurement

Cost of teeth cuttingon 125 teeth pinion on hobbing machine as per specification of teeth DP- 4 Pitch, dia 31.2", Pitch-0.7854", Outside 31.8358" ,double helical teeth, No of teeth-125

Cost of complete grinding, polish of teeth pinion as per proper way and system as per specification by surface grinding machine

Cost of capping on teeth- 125 nos with grinding paste as per proper way and as per specification

Cost of hardening of pinion as per heat treatment with case hardening (30PHN hardness) as per requirement-321Kg

Cost of balancing of125 teeth pinion as per proper way and specification

C.) Fabrication of output shaft as per sample drawing: Cost of En round for making of output shaft size 08" OD x 22" Length, rough weight around 159.16Kg.

Cost of complete marching output shaft with all size making, length turning, teeth blank making both end facing etc. on lathe machine

Cost of teeth cutting of outpur shaft as per proper degree and dimension as per specification, No of teeth-18

Cost of grinding polish of gear shaft(output shaft) for smooth fitting and running as per requirement

Cost of complete hardening of output shaft and case hardening of teeth as per proper heat treatment and specification-145Kg

Repairing of Gear box and fiiting of all spares: cost of dismantling of gear box with all spares as per proper way and system

Cost of repairing of both big housing with CI machinable electrodes(Cost includes welding charge also)

Cost of repairing of both small housing with CI machinable electrodes(Cost includes welding charge also)

Cost of repairing of both lower and upper body / casting as per requirement and specification for smooth fiiting of spares

Cost of repairing of welding shaft with welding machining all size making, polishing etc as per requirement.

Cost of complete repairing of all damaged body thread with oversize drilling, CI bush making, fitting with locking arrangement with tapping etc. as per requirement and measurement.

Cost of replacement of all damaged bolts , nut, washer, pin, oil-seal, gasket, packing paper, grease etc. as required for fitting of gear box(Bearing to be supplied by departmentally)

Cost of complete overhauling and fitting of gear box with all required spares as per proper setting and specification along with painting of gear box.

Total impact of GST for the purpose of CTC

Dolphin Engineering

M/S DK ENTERPRISES