PURPOSE: To manufacture a pipe without troubles and at low cost by cold pilger rolling by executing the feeding drive of each hauling carriage by means of direct linear drive.
CONSTITUTION: Rolling stock 5 is reciprocated in a rolling direction while the revolving direction is alternated with a roller 2 to make a tapering clearance. The rolling stock 5 is rolled with roller 2 on a mandrel for rolling. The rolling stock 5 is sent with hauling carriages 6, 7. The rolling stock 5 is taperingly rolled while being turned with them. The feeding drive of each of hauling carriages 6, 7 is executed here by direct linear drive, especially with a hydrodynamics cylinder or a linear motor. A pipe can be produced by cold pilger rolling without troubles and at low cost hereby.
YURUGEN SHIYUMITSUTO
KAARUUHAINTSU HOISURAA
