... simple, easy to operate, safe and reliable.Screw dia. ………………………………………………………………………………………65mmScrew length….……………………………………………………………………………..1625mmAspect ratio………………………………….…………………………………………………..25:1Screw ... composed by mould body, core mould, mouth mould, adjusting screw, etc.5. There are two cooling flumes, both ... diameter of the traction wheel is 600mm; the adjusting range of the traction speed is 20-200m ...