Drilling Machine

Metal CNC Processing Tzk50A CNC Deep Hole Scraping and Rolling Machine

Metal CNC Processing TZK50A CNC Deep Hole Scraping And Rolling Machine TZK50A CNC deep hole scraping and rolling machine is adopted for the processing cylinder in batch. By use scraping rolling technology used in a variety of cylinder bore surface can precision processed. It can also be used for hot rolling cylinder boring - scraping - rolling finishing machining.The precision can reach IT7-IT10 and the roughness of surface below Ra0.2-0.4μm. The machining method is the workpiece fixed and the tools rotate and feed.The bed of machine is double rectangle guideway. The guide carriage is move on the linear guideway by the hydraulic and the workpiece is fixed by taper hole position.It adopts Taiwan Yongzhen hydraulic station.The colling system is ground oil tank structure.The filtrate method is chip conveyor-magnetism separator-fine filtration three grade and the filtrate precision can reach 50μ. The CNC system is Germany SIEMENS system. The length of cylinder below 3m is feeded by the lead screw and over 3m is by gear-racked. The efficiency of processing is 3-5 times of traditional deep hole machine if use the Germany Wenaroll high efficiency auto combination tools. Mian Specifications And Feature TZK50A(1-8m) The range of boring diameter φ200-φ500mm The range of boring depth 500-8000mm Width of machine guide way 755mm The height of center (from the guide way to center of spindle) 650mm Range of feeding speed 10~3500mm/min(stepless) The main motor of boring box N=75kW,CTB spindle drive motor Range of drill box spindle 10~500rpm The workpiece clamped diameter by chuck φ250~φ625mm Feeding motor N=7.5kW, AC servo motor CNC system SIEMENS 808 Hydraulic pump motor N=2.2kW,n=1440r/min Cooling pump motor N=11 kW n=1440r/min two group one group is controlled by frequency conversion The rated pressure of cooling syestem 0.6Mpa The motor of extract pump N=11kW n=1440r/min two group The flow of cooling system 100-1500L/min two group one group is controlled by frequency conversion

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