LT series features： ● Machine adopts welding structure，processed with high temperature annealing，good rigidity，light weight and dynamic performance. ● Adopts an original mechanical structure chuck.Customer can choose two processing mode：no tailing and short tailing. ● The chuck has high compatibility，tube diameter，compatible with round tube, square tube, elliptical tube, shaped tube and so on.It has the absolute advantages of machining thin-walled tube. ● Convenient operation and management，the device comes with a system diagnostic function，which automatically identifies the current problems and provides solutions.