Repair and maintenance of sub-assemblies like drive shaft, tail shaft, crusher drum, gear box and flights assemblies of BWF 2 make feeder breaker in favour of AADOCM Dhori Area

Amount

part-A (Primary Crusher Drum Roll Assembly of BWF)

Crusher Drum roll assembly L.H & R.H Bearing Housing, bearing covers, body housing complete dismantling with the help of hydraulic jacks & also crusher drum roll manually lifting & tilting for above attachment dismantling, opening.

Crusher drum roll lifting body hydraulic jacks, all four nos center pins, bolts removing with the help of gas cutting, heating & hammering.

Crusher drum roll lifting body & crusher drum roll getting out from crusher body with the help of Crain & put into floor ( Crain provide departmentally )

Crusher drum roll damaged spliend shaft assembly with flange dismantling from crusher roll with the help of hydraulic jack, gas heating, pulling & removing (L.H & R.H)

Drilling in drum & broken bolt removing for flange tightening.

Tapping in drum roll for spliend shaft flange bolting.

16mm x 140mm H.T Bolts with s/w for flange bolting.

R.H spliend shaft flange holes O/S boring, new spliend shaft fixing with the help of hydraulic press machine & also four point locking & full round inside & outside four layer steel welding, machining, alignment, bearing size, drilling, tapping

Roller Bearing 24034 BS.MB.C3 new provide for crusher drum roll assembly.

Press plate new making & size with seat increasing, boring, drilling for press of 24034EMDI bearings of R.H & L.H

H.T Bolt 8mm x 30mm for press plate.

Badly damaged & worn-out bearing housing and body housing back side dust seal seat, bearing color, diameter increasing by welding method full round as required & machining, polishing, alignment setting R.H & L.H

Bearing cover alignment checking & repairing as required.

Spliend shaft with flange assembly complete fitting, setting & fixing with the help of hydraulic press jack with bolting & also four point steel jointing welding for extra locking of R.H & L.H.

Crusher drum roll & lifting body re-assembling in crusher body with the help of Crain (Crain provide departmentally)

Lifting body of crusher roll re-setting with main body & all four point pins re-fitting, hammering, welding, locking, hydraulic jacks fitting.

Crusher drum roll assembly R.H & L.H main bearing, bearing hosing, cover, body housing, press plates, bolts re-fitting, assembling, setting with the help of hydraulic jacks, screw jacks & drum roll manually lifting for proper fitting its all attachment & proper alignment, measurement at site.

Part-B (Repair of Drive shaft Assembly)

Drive shaft complete assembly including bearing housing, bearing cover, bearings, shaft dismantling from machine at site in part-part for repairing & rectification work.

Drive shaft both ends badly damaged & worn-out bearing seat full round multi layer welding & machining as per std size of 23936 Double raw roller bearing size.

Drive shaft both end damaged & worn-out false place/bearing stopper full round multi layer welding & machining as required.

Drive shaft dust seal plate inbuilt with drive shaft badly damaged & worn-out seat re- buildup multi layer full round & machining, dust sealing colors increasing as required.

Double Raw Roller Bearing No-23936S.MB.C3 new provides.

Drive shaft bearing housing new M.S casting as per required measurement & casting, machining, bearing seat making, flange making, dust seal making with drilling, tapping, bearing step (Stopper) making.

Drive shaft complete assembly including bearing housing, bearing cover, assembling, setting with proper alignment, adjustment, commissioning work done at machine site.

Part-C (Conveyor chain Tail End shaft assembly of BWF)

Dismantling of all components from tail end assembly with complete rust & dust cleaning, checking.

Tail End both side damaged & worn-out bearing seat welding & machining in std size.

Tail End both side damaged & worn-out dust seal seat welding & machining in std size.

Tail End Hollow shaft damaged & worn-out sprocket seat repairing by welding & machining as per sprocket shaft size & sprocket fitting by hydraulic press machine & alignment setting on lathe machine & after alignment full round triple layer welding by special jointing steel electrodes

Bearing press ring & press plate new making as per required measurement.

Tail End shaft Gun metal bush bearing new making & fixing in housing with locking.

Badly damaged & worn-out bearing housing back side dust seal seat, bearing color, diameter increasing by welding method full round as per required & machining, polishing, alignment setting L.H & R.H

Re- assembling of tail end shaft assembly with all components & accessories.

Part-D (Repairing of Primary crusher drum roll drive K-800 Model Gear Box assembly)

K-800 gear box complete assembly dismantling with the help of pullers & hydraulic jacks part by part.

Gear box all pinions, bearings, bodies, covers complete cleaning & washing for complete checking.

EN-24 metal Input tail shaft new making as per size with key way and tail pinion cutting from old shaft and fixing in new shaft with locking and steel welding, machining, alignment work.

Input shaft Tapper Roller Bearing No-30222A new provide.

Input tail shaft & housing Single Row Roller Bearing No- NJ2322E.M1 new provide.

Lower & Upper body input shaft damaged bearing housing seat repairing by C.I buildup and shaping by hand grinding machine as required.

Gear Box input shaft bearing cover new making with cast steel casting, machining, drilling, tapping, grooving, sizing.

Input shaft oil seal new provide

Output shaft oil seal new provide

Gear box repair kit like as ‘O’ ring, gasket packing, lock, body threads cleaning, surface polishing, bolts, nuts.

Complete gear box assembly all pinions re-fitting, assembling, tightening, bearing setting, pinions matching & commissioning, trail testing.

Part-E (Repairing of Flight bar assemblies)

Damaged and broken flight assy. both end pin remaking with help of gas cutting set flight both end box type cutting new piece of hub and pin making on lathe machine by EN metal 70mm square bar X 180 mm long and setting as per require size and fixing with flight assy. and full welding including filling by special steel jointing electrodes.

Total impact of GST for the purpose of CTC

M/S SHRIKARNI LATHE & WELD (BID ID -1142397)