Repairing, rectification with spares of Chain conveyor drive shaft assembly, Tail End shaft assembly, Primary Crusher

Amount

(a) Chain Conveyor Drive Shaft assembly of I.R make F/B (put zero against rate column)

Dismantling of all components from drive shaft assembly complete in part-part for rectification & repairing.

EN-24 steel shaft new making and size with bearings & sprocket seats, key ways.

Repairing of bearing block sealing collar seat by grinding & shaping.

Bearing block dust seal new making & changing for dust sealing.

Bearing distance cut ring new making as required size for adjusting of bearing.

Key new making for “12T” sprocket & duplex sprocket

Double row roller bearing No-23220K new provide & fixing.

Sleeve with check nut & lock washer new provide & changing for bearing.

Both end bearing greasing.

Re-assembling all components of drive shaft as “12T” & duplex chain sprockets by hydraulic press machine & setting of bearings, blocks,

Drive shaft assembly setting, commissioning with crusher body & trail run testing at siding F/B site with the help of gas cutting & welding.

(b) Chain Conveyor Tail End shaft assembly of I.R make F/B (put zero against rate column)

Dismantling of all components from tail end assembly as “9 teeth” sprockets- 2nos & bearings with sleeves, blocks, dust seals.

EN-24 steel shaft new making and size with bearings & sprocket seats, key ways.

Sealing collar new making & changing of bearing blocks for dust seal of b/s- 2x2

Double row spherical roller bearing new provide No- 22317E 1K.T41A & fixing.

Bearing distance cut ring new making as required size for adjusting of bearings.

Both end bearings greasing.

Repairing of bearing block sealing collar seat by grinding & shaping.

Tail End sprocket damaged & worn-out tooth’s repairing by its height increasing, width increasing, hard facing & also sizing as per required of conveyor chain links

Re- assembling all components of Tail End as 9 teeth sprocket by hydraulic press machine & setting of bearing, sleeves & blocks.

Tail End shaft assembly setting, commissioning with crusher body & trail run testing at siding F/B site with the help of gas cutting & welding.

(c) Gear Box assembly- ZTNW810 type, FLENDER MACNEILL GEARS LTD make, Input- 1500 RPM, Output-91.4 RPM, ORD No- 93000043, Sl.No-19006 (put zero against rate column)

Gear Box assembly complete dismantling in part-part for repairing & rectification work.

Gear box body complete cleaning and washing for throughout checking and rectification work.

Gear box input shaft tail assembly dismantling & EN-24 metal tail shaft new making with key ways & tail pinion cutting from damaged shaft & fixing in new shaft with proper alignment and measurement & locking with stainless steel welding and machining.

Gear Box Input shaft bearing cover new making with cast-steel casting, machining, drilling, seat making.

Gear box all pinions one by one checking and cheeping by grinding, sizing.

Oil seal new provide for Input shaft cover- 709012

Oil seal new provide for Output shaft cover- 15017015

Gear box repair kit like as gasket packing, cover bolts, washers, pin, lock, threads cleaning, sheems.

Gear box assembly complete fitting, setting, matching, pinion timing setting, tightening and assembling.

(d) Repairing of flexible coupling set with grid spring for drum roll.(put zero against rate column)

Crusher drum roll & drive gear box pair of flexible coupling broken & damaged greed spring slot gas cutting, place cleaning by grinding, “V” grooving, new slot making as per required shape & size of grid spring by hard metal and setting with coupling & full welding by special steel jointing electrodes and machining on lathe machine with proper alignment. (02nos coupling set)

Flexible coupling centre bushing opening with the help of hydraulic press machine and making new Gun metal bushing by raw casting of size-230mm O.D X 90mm I.D X 250mm length and machining as per required std size with grooving, fixing, locking and final machining with alignment.

Provide and fixing Grid spring (20nos of set) for flexible coupling of crusher drum roll & drive gear box couple.

(e) Primary crusher drum roll assembly of I.R make Feeder Breaker (put zero against rate column)

Dismantling of crusher drum C.R. wall tana rods, support plates, bearing blocks, dust triple seals, side plate, safety coupling, C.R. Wall cover, block bolts, drive end motor, main drive gear box complete assembly for removing & shifting of drum roll for changing of damaged bearings with the help of gas cutting, welding pulling, pushing with skilled fitter & labor at site.

Lifting of crusher roll (weight 5.5MT) manually with the help of Hydraulic Jacks, Screw Jacks system & providing proper supporting for drawing out the damaged bearing, sleeves.

Damaged & broken DE & NDE main bearing removing by pulling with the help of gas cutting.

Drum roll shaft damaged and worn-out bearing seat repairing by Full round metal filling by steel welding method & roundness Grinding & shaping as required and polishing by failing & amri Paper with the help of flexible grinding machine at site.

C.S. triple seal repairing by its I.D full round welding and machining, groove cutting as per drum roll shaft size for dust sealing of bearings.

Double row roller bearing 23048K.MB.C3 new provide.

U/S bearing sleeve new making with check nut and lock washer for above 23048K bearing size in degree shape.

Bearing adjusting cut ring new making for 23048K bearing & block.

DE & NDE bearings fitting and setting in shaft at site with misalign drum roll re- alignment & balancing by water level as required including setting dust triple seal of bearings at the time of fixing drum roll.

Bearing block lower and upper body bearing seat and dust triple seal seat shaping & cheeps cleaning by grinding as required and its greasing point checking, cleaning, tapping, grooving.

Both end main flexible coupling, triple seal, drum roll shaft cleaning and after repairing greasing of bearings and springs of flexible coupling.

Re-assembling of bearing blocks, side cover, top cover, support plates, tana rods, safety coupling, spring coupling, main drive gear box, drive motor, coupling guard, block bolts, nuts bolts gear box & motor stopper with the help of gas set, cutting equipment, welding m/c, skilled fitter and labour at site

Trail run testing & proper checking.

Total impact of GST for the purpose of CTC

M/s S D Sales Corporation

WELDOLLOYS