TGK50/TGK63 series heavy duty boring, skiving and roller burnishing machine adopts the processing way of the workpiece rotating and the tool feeding. It can also used the way of workpiece is fixed and cutting tools rotate and feeds. The machine can perform skiving and roller burnishing of inner hole, the machining technology is simple (once time processing is finished and formed). It has high efficiency and stable performance. The productivity is 5-10 times of the traditional deep hole boring machine. The high intelligent level and the easy operation of the digital control make the machine in a stable running.