Tender For supply of mechanical engineering lab materials - mechanical engineering lab materials, serve motor drive kitinterface l293d motor driver ic with arduino to control direction of rotation of two dc motors), bldc motor kitbldc motor 1 nobldc motor drive -1noinbuilt volt and ammeter and rpm meterinbuilt power supplyinput 230v ac, lvdt trainer kit complete educational trainer for linear variable differential transformer (lvdt) displacement measurement. built-in ac excitation source and signal conditioning circuitry for lvdt operation. micrometer assembly for precise linear movement of the lvdt core. displacement range ~10 mm with clear front-panel adjustments for zero & calibration. digital display (typically 3 -digit) for direct readout of conditioned output/displacement values. test points and banana sockets for signal observation on external instruments. self-contained unit in a durable enclosure with labeled controls and educational layout. includes user manual and patch cords for experiments. operates on 230 v ac, 50 hz mains supply., multi-cylinder petrolphase : single phase load: mechanical load with ropenumber of cylinders : 4displacement : rope brakepower : 65hp,4000 rpm,1396 ccbrand material : mild steelengine type : 4 stroke self startfrequency : 15hzfuel consumption : petrolfuel tank capacity : 5 letermorh s test rig, tail stock assemblyheavy-duty lathe tailstock assembly for training; cast iron body with base, barrel (quill) ~50 75 mm stroke, hand wheel feed, dead centre mt2/mt3, set over screws for taper turning, spindle clamp, complete with all internal parts for dismantling and reassembly; suitable for 300 400 mm centre height training lathe., dc motorvoltage 220-440 v dcpower - 180 w speed - 200 rpm, hydraulic cylinderdouble acting hydraulic cylinder, bore 40 50 mm, stroke 200 300 mm, working pressure up to 100 160 bar, steel tube with honed bore, hard chromed piston rod, front & rear end caps, piston with seals and wear rings. supplied as standalone unit with suitable mounting for dismantling, inspection and reassembly., hydraulic opreated directional control valve (dcv)manually operated 3/2 or 4/2 way spool type hydraulic directional control valve, nominal size ng06 (cetop 3) or equivalent, rated pressure 210 bar, flow 20 40 lpm; valve body with hardened and ground spool, centering springs, ports p a b t clearly marked. supplied on small mounting plate for dismantling, inspection and assembly practice., bearing with shaft assemblyteaching unit with shaft 25 35 mm dia mounted in housing with deep groove ball bearings (6205 / 6206 class) at both ends; includes locking arrangements (circlips, lock nuts, covers). designed for repeated removal, cleaning, lubrication and refitting of bearings, with provision to mount on bench or test rig., coupling unit using driving and driven shaft plumber block bearing unit1. the plummer block housingmaterial: cast iron (grade fg 200 or equivalent). type: sng or snl series (split-type housing).sealing: felt seals or v-ring seals (to demonstrate lubrication retention).lubrication: provided with a grease nipple at the top center for manual lubrication practice.2. the bearingtype: self-aligning ball bearing (1200 series) or spherical roller bearing (22200 series).bore diameter: standard 25mm or 30 mm (ideal for lab scale).mounting: adapter sleeve mounting (h-series) to teach students how to lock a bearing onto a smooth shaft.3. shafting and couplingshaft material: ground carbon steel (en8 or en9) for high surface finish.coupling type: * flexible coupling: to demonstrate the bearings ability to handle slight misalignment.rigid flange coupling: to demonstrate traditional direct connection.driving/driven setup: one shaft connected to a small electric motor (driving) and the other to a brake drum or load (driven)., spring test machine load & displacement sensing load cel * capacity: 0 10 kno accuracy: 1% fs (better if 0.5% fs) displacement sensor * lvdt / digital encodero accur
Tender For corrigendum : roof bolts, m.s. bolts & nuts , rivets, washers & screws , , dog nails , , fish plates, nuts & bolts for fish plates , , belt jointing pins , , cable hooks and signal hooks , , belt conveyor rollers , , belt sections , , resin capsules , , cement capsules , , gi canisters , , blasting gallery - spacers , , radiator repairs , , repairs and rewinding of motors of ac & dc , , repairs / rewinding of transformers (welding/lighting/power) , , gl wire , , wire mesh for longwall salvage , , manufacturing of supply of electrical coils for , , i) ac motors up to 6.6kv grade , , li) transformer coils up to 33 kv grade , , repairs of rotors for electric motor , , lighting cable , , steel chock manufacturing , , house wiring , , all types of fan repairs , , shovel bucket welding , , repairs of pumps , , couplings manufacturing , , special steel and alloy castings , , (tooth points, track pads, mn steel casting) , , manufacturing of fly ash bricks (not to be manufactured at stores site. it shall be at their own site) , , manufacturing of pump components (spares) , , transformer oil filtration , , reconditioning of drill bits an drill rods. , , vulcanizing the old training cable sof drill machines, sdls, lhds etc (work should be carried out at the respective mine premises. , , manufacturing of earth clamps, g.i.flats, g.i.bolts and nuts. , , crimping of hydraulic hoses. , , repairs to hydraulic pumps, motors, control valves and other related components. , , refurbishing of lt & ht switches with oem spares including testing. , , manufacturing/repairs of slip rings & d-contacts. , , furniture repairs i.e. cane chairs, tables, almirahs etc. , , repairs to wet grinders, water purifiers and water coolers , , manufacturing of coupling bolts of all sizes , , fabrication of oht line components like cross arms, clamps, stay wires, cross brassings, base plates etc. , , manufacturing of haulage rope drum rollers. , , all sizes of ventilation doors. , , safety boards designing/stickering/painting with retro-reflective radium papers/paint on hemm/ radium stickering in underground & surface, radium boards, safety boards & radium jackets. , , fabrication of lighting & cable cross over towers , , maintenance & repairs of air conditioners on hemm , , painting work in underground and on surface , , fabrication and erection of ms structural works like gantry, bunker etc. , , tailoring works at hospitals & area workshops , , manufacturing of hume pipes , , clay pills manufacturing , , maintenance of pmts/lighting transformers/power transformers & sub-stations , , erection /renovation of residential/pmts/sb-station earth pits (conventional type /chemical type). , , testing of all protective relays & mprs , , tub assembling/repairing of coal tubs in mines. , , cl casting works like ci pulley, tub wheels , , outsourcing works in mines, like masonary walls construction, surface material loading, cleaning and dusting in underground etc. , , all types of computer software installation, antivirus, hardware and network installation. , , cc cameras installation and repairs.
Tender For corrigendum : tools and equipment for mechanic diesel trade - bench lever shears 250mm blade x 3mm blade length 10 inch, ms sheet cutter, bench shear, manual metal cutter , discrete component trainer/basic electronics trainer is a comprehensive, educational platform designed for studying analog electronics, typically featuring built-in regulated dc power supplies, ac supplies, and a variety of soldered components , dual magnetization yoke ac/hwdc, 230 vac, 50hz , liquid penetrate inspection spray kit - 3 cans , pipe bending machine (hydraulic type) 12mm to 30 mm , pneumatic rivet gun with standard accessories aviation aluminium shell hydraulic structure portable air riveting , tin smiths bench folder a manual, hand-operated machine max bending radius 600x1.6 mm automation grade manual sheet material mild steel, stainless steel, iron finishing paint coated max thickness 4mm country of origin usage for sheet bending , electrical test bench are specialized workstations for testing components like alternators, starters, and motors. they feature sturdy, powder-coated steel frames with esd-safe tops. core specs include 3-phase ac power input, 0-600v ac/dc measurement range, digital ammeters/voltmeters, 2-5 hp motor drives, and safety features like overload protection , diesel engine six cylinder in running condition , a six-cylinder, 4-stroke, inline common rail direct injection (crdi) diesel engine in running condition typically features a 4500-6000 cc displacement, 100-150 kw output at 2000-3000 rpm, and 450-600 nm torque. these units are generally water-cooled, turbocharged, and mounted on a powder-coated iron frame for demonstration or testing purposes.