TTPS Operation Circle MPM I Unit-I XRP 763 Bowl Mills - Erection of Grinding rollers and bull ring segments

Charges for removal of mill journal doors and refitting including lead lift and transporting of materials from stores and devolution of scraps from site to stores and cost of consumables such as welding electrodes, gas, cotton waste etc., (3 Nos. doors per Mill)

Charges for removal of journal with trunnion assembly and refitting in the mills including lead, lift and transporting of materials from mill repair bay to mill floor and back, devolution of scrap to stores and cost of consumables such as welding rod, cutting gas, cotton waste etc.

Dismantling of clamping ring, removing the worn out bull ring segment, cleaning threaded holes using M24 tap set, preparing the bowl for fixing bull ring segments, assembling the bull ring segments, making wedges, fixing the clamping ring and bowl hub cover.

Charges for dismantling of old rollers from the roller journal assembly, replacing it with new roller transporting it from store to site and devolution of worn out old rollers to stores or to other places if necessary as per the direction of site Engineer.

Charges for erection of temporary poles to hold a honzontal beam to provide chain block over it so as to lift the heavy wt. 3 Grinding rollers, 960 kg per roller wt lower journal housing etc from stores.

Charges for carrying out the following works during ring roll setting 1) Setting the clearance of 3mm between roller and bull rings by adjusting the stop bolts 2) Setting the journal head to compression spring shaft clearance of 1mm by adjusting the guard studs. 3) Smoothening the compression spring coupling bolts operation and checking the spring compression. 4) Clearing all debris inside mill, mill top and mill bottom. 5) checking and smoothening the classifier operation. 6) flushing and clearing seal air path in all mill journals. 7) Journal oil level checking and top up if necessary.