procedure of plastic pipe production

This is extruder machine from which we manufacture plastic pvc(poly vinyl chloride) pipe before starting the pipe we giving the heat which is mounted on machine when temperature reache set value then first we flush whole material which is setteled inside in the machine after flushing the material feed the material by hopper when material comes then manually put into vaccum and cooling tank and with the help of haull off unit we pull the pipe and set the limit switch according to required length then with the help of cutter we cut this