tender for purchase of mechanical lab equipments , hydraulic cylinder - bore diameter : 50 mm , stroke length : 250 mm, working pressure : 160 bar , cylinder tube : honded steel , piston rod : hard chrome plated , seals : standard industrial seals, end caps : steel , hydraulic operated directional control valve (dcv) - type: manual spool type dc valve, configuration : 4/2 way, size : ng06(cetop 3) , rated pressure : 210 bar, flow capacity: 20 - 40 lpm, body: hardened steel / cast steel, spool: ground and hardened, ports : clearly marked ( p, a, b, t ) , supply : mounted on training plate , suitable for dismantling and study , a) sliding mesh gear box for dismantling and assembing - max transmitted power 1 to 1.5 hp , torque capacity - 40 to 200 nm,number of speed 3 to 6 , gear module 1.5 to 2 , . gearbox type : sliding mesh forward gears - 3, reverse - yes, gear material - alloy steel, lubrication - splash/ oil, gear teeth : spur, typical gear ratio - 3:2:1 / 2:0:1 /1:3:1, input speed : 0-1800 rpm , housing material : cast iron (b) constant mesh gear box cut section - constant mech gearbox (cut section), gearbox type : constant mech, forward gears : 4 , gear teeth- helical/spur ,dog clutch type - sliding ,lubrication - oil sae 80w90 ,housing - cut section,material -hardened alloy steel, educational features - labelled parts , 3d printer - build volume : 256x256x256 cu.mm ,shell enclosed (plastic & glass ),nozzle 0.4 mm stainless steel included ,max hot end temperature 300⁰c ,nozzle diameter 0.4 mm (included) 0.2 mm, 0.6 mm, 0.8 mm, build plate compatibility textured pei plate, cool plate, engineering plate, high temperature plate. max build plate temperature 100⁰c ,max speed of tool head 500 mm/s ,max acceleration of tool head 20 m/s2 ,supported filament pla, petg,tpu, pva, pet,abs, asa chamber monitoring camera low ,rate camera 1280 x 720/0.5 fps ,timelapse supported ,filament run out sensor : yes, control board fan closed loop control ,auxiliary part cooling fan closed loop control ,air filter activated carbon filter