THG425 CNC Spinning Machine (roller type) CNC Spinning Machine The roller hot spinning machine model THG425, special equipment designed by our company is used for forming of high-pressure cylinder and pressure vessel. This machine is designed to form metal cylinders neck-in and bottom closure on the two ends of the tube blank which can be made into spherical or ellipse high-pressure cylinder with equal thickness or non-equail thickness of cylinder shoulder. Processing diameter: Φ325 425mm. Processing length: 800 2500mm For detailed specifications of the machine, pls feel free to contact us.