CB7740A MULTICUT SEMI-AUTOMATIC VERTICAL LATHE This machine tool is a multicut semi-automatic lathe and the maximum cutting diameter is 450mm.It has two vertical carriers,which are able to install and check many cutters at the same time to complete many kinds of working procedures of turning internal and external rounds,lateral angle and end face etc.automatically at one time.It is widely suitable for use in rough machining and semifinished machining of processing gears and spare parts of chassis set category in great lot.The precision of this machine tool is stable,it is simple in construction ,safe and dependable on operation,low in a mount of labour ,high in efficiency and low in cost .It is the most ideal equipment for specialized factories of motor car ,tractor,gear,bearing and valve. SPECIALITIES OF CONSTRUCTION The movement of this machine tool is controlled by mutually interlocking of mechan ics,hydraulic pressure and electricity and it is able to complete all processing working procedures automatically and circularly. 1.The working table is installed with hydraulic chuck and the main shaft is started by the main electrical machinery directly and braked with electric energy consumption. 2.Changing of speed of the gearshaft machinism is completed with handle,which is able to obtain an ideal speed. 3.Stepless speed change and hydraulic driving feeding are all adopted for feeding of carrier and level and vertical two directions. 4.There are no internal and external claws on this machine tool and the user is able to exchange the internal and external claws according to actual requirement of work. 5.There is a moveable type water tank on this machine tool,which is able to be supplied for use to cool cutting tools during processing. NameUnitCB7740Max.machining diametermm400Max.height of workpiecemm250Max.weight of workpiecekg300Max.rotation diametermm600(H≤100)Total cutting forceN3000Max.cutting force of single tool headN1600Max.clamping force of hydraulic chuckN20000Max.travel of claimping jawmm≥10Speed of the spindle ratation(steps)4Speed of the spindle ratation(speed)r/min60,95,150,240Feed range of the tool head(steps)stepless Feed range of the tool head(feed)mm/minmin22max300Max.travel of the tool head(horizontal)mm200Max.travel of the tool head(vertical)mm180/200/220Power of hydraulic motorkw2.2Power of main motorkw11Overall dimensions of machine tool (L×W×H)mm1380×1880×1740Weight of machine tool(approx.)kg2700