Tender For corrigendum : supply of helical inline gear motor to the model no. sk 973.1 - 112mp/4 tf for axle pusher chain conveyor of make m/s nord or substantially equivalent with following features: input speed(rpm): 1440; output speed(rpm): 21; gear ratio: 68.5; power (kw): 4; service factor: 1.8; output torque: 1817 nm; overhung load: 25 kn; axial load: 22 kn; motor inverter speed range: standard line powered inverter capable; voltage: 400/690 v; frequency: 50 hz; efficiency class: ie3; current 1: 7.85 a; current 2: 4.53 a; cosinus: 0.83; motor duty: s1 - continuous; enclosure: ip55; insulation class - f; mounting pos - m1; housing material: cast iron housing; type of housing: foot mount; output shaft: solid keyed shaft; output shaft (dia x length): 60x120mm; output shaft material: standard; gearbox breather options: auto vent; gearbox sealing options:fkm seals; bearing design: standard bearings; motor cooling: tefc - totally enclosed fan cooled; motor thermal protection: thermistor; motor option: fluoro rubber motor seals; height of output shaft center frombottom of base plate: 225 mm; mounting base plate details: minimum plate thickness: 50 mm; 04 holes of 22 mm dia each with square pattern; distance between holes along the shaft: 310 mm; distance between holes perpendicular to shaft: 250 mm; note: - (i) material of construction: fabricated steel housing (stress relieved) (ii) all gears shall be manufactured from steel forgings or rolled bar made from steel 17cr ni mo6/18cr ni mo6 (case hardening steel). (iii) all gears shall be case hardened to 58-62 hrc and profile ground. (iv) output shaft shall be of en 9 material normalized to 201 bhn (min) (v) bearing used shall be rolling element type of make skf/ntn/timken/fag only. special conditions: above specified materials are the minimum required standard to be considered while designing the gear motor. [ warranty period: 18 months after the date of delivery ]
Tender For corrigendum : supply of ball screw rod & nut for x-axis traverse of hyt cnc vtl as per rwf drg. no. 713402210410 [ warranty period: 18 months after the date of delivery ]
Tender For corrigendum : flange cartridge block with double row spheical roller bearing normal duty of rexnord make zbr2215 or timken make qacw15a215s or linkbelt make fcb22447h or idc make cbr2215 or dodge make fc-s2-215r or browning make sfc1000ne2-15/16 to suit 2-15/16" dia shaft or skf make fyrp2-15/16 to suit 2-15/16" bearing should be supplied with steel cafe only. note: 1). tenderer should quote along with the technical catalogue with adc. 2). manufacturer's test certificate: standared test certificate shall accompany with supply. 3. special conditions: i) the firm shall supply bearings with original manufactureres tamper proof seal. (ii) the firm shall furnish inspection certificate from manufacturers or their authorised testing agents preferably incorporating the detailsof traceability of the production proposed for supply. ]
Tender For sw-i development of stores for afm, storage area for machined axles and ladies rest room for axle shop of rwf, sw-ii providing of foot over bridge from administrative building to railway hospital west colony of rwf, sw-iii face lifting of wheel shop & axle shop entrances by providing canopies inside factory premises of rwf & sw-iv development of hostel facilities in technical training center (ttc) at rwf
Tender For corrigendum : supply of solid cushion tyre front & rear to size:7.50"x20" for the use of godrej make diesel operated froklifts 8-ton capacity,capable of working in foundry application/atmosphere and rough terrians.a)size:outside diameter 34.25"x width 7.5"x bore 20"(34.25"x20"x7.5")suitable to rim size 6' width.b)minimum warranty for 6(six)months from the date of fitment or twelve months from the date of delivery which ever is earlier,c)mae/model1)greckstar premium of m/s. emrald resilent tyres mfgs(p) ltd,2)forkboss of m/s.avadh rail infra ltd,3)lug talon mi premium of m/s.tvs sun tyres & wheel systems,4)good lift sigma of m/s.good lift tyres. [ warranty period: 12 months after the date of delivery ]