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THM-001 |
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| The series of machine is used for machining three-thread-holes
of axle ends, for locomotive carriages and wagons(including with wheel
set and without wheel set). 1. Workpiece can be clamped and positioned by craning or rolling-through,it can be for single machine also production line. 2. The machine adopts left and right symmetric arrangement, the three thread holes are arranged concentrate at three positions i.e :hole drilling, trepanning, chamfering and tapping, the three positions can be moved in horizontal to change the positions realizing by servo motor to drive ballscrew with high reliability and positioning accuracy. 3. From positioning and clamping, the workpiece can be fully automatic circulating during machining controlled by 802D system. That is to be machined for two faces in a same step. also it can be single face machined. 4. Longitudinal feed of the power head is realized by servo motor to drive ballscrew,main, its main movement motorand is done by converter. Thus the feed per revolution is the same as taper.Preventing from wearing when profiling construction is used. At the same time it is no necessary to move often limitation switch when axles with different size being machined, hole depth is controlled with half closed loop with high accuracy. The machine is cooled with cooling oil, coolant liquid can be used cycling, the protection device is good looking, practical, reliable. Moreover drilling and tapping spindles are equipped with internal cooling,The left and right centering device is equipped with chip-blowing unit, preventing from damaging of thread hole and tool . |
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