CHAIN DRAWING MACHINE AS DRIVING UNIT ASSEMBLY WHEN BARS AND PIPES ARE ROLLED OR DRAWN

摘要

PROBLEM TO BE SOLVED: To delicately adjust a clamping force against a workpiece. SOLUTION: With a chain drawing machine to roll or draw bar or pipe where load supporting rollers 8 to support segment-like drawing tools which synchronously forward along two drawing chain on one plane roll on the supporting tracks endlessly, the front working face of at least one supporting track is controlled with pressure by multiple hydraulic pistons 13 installed on the opposite side of the running support rollers 8.